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Organic Coatings for the Interior of Gasoline Drums
NATIONAL
RESEAHCH C O U N C I L CAilADAO R G A N I C COAllI;L'GS F O R TiiG I N T E l i I O H
O F G A S O L I N C DRUMS
by D. Dennis, B.S, S t a f f o r d , and
J,
HarrisR e p o r t No,
51
of t h eD i v i s i o n o f B u i l d i n g R e s e a r c h
OTTAWA
The s a t i s f a c t o r y s t o r a g e of a v i a t i o n and motor f u e l s i s a v i t a l need i n Canada, e s p e c i a l l y i n a l l n o r t h e r n a r e a s . The problems i n v o l v e d have been u n d e r s t u d y f o r sornc t i m e under t h e d i r e c t i o n of t h e Group on Drum S t o r a g e of F u e l ,
The D i v i s i o n of B u i l d i n g Research h a s been p r i v i l e g e d t o p a r t i c i p a t e i n t h i s work t h r o u g h t h e P a i n % R e s e a r c h
L a b o r a t o r y of i t s B u i l d i n g M a t e r i a l s F e c t i o n , i n c o l l a l ~ o r a t i o n w i t h t h e D i v i s i o n of Mechanical E n g i n e e r i n g : t h e Royal
Canadian A i r F o r c e and t h e o i l companies,
The P a i n t R e s e a r c h L a b o r a t o r y h a s u n d e r t a k e n t o c a r r y o u t a l l n e c e s s a r y l a b o r a t o r y work on t h e e v a l u a t i o n of c o a t i n g f o r m u l a t i o n s f o r i n t e r i o r and e x t e r i o r a p p l i c a t i o n t o s t e e l drums. T h i s f i r s t r e p o r t d e a l s w i t h t h e work done on i n t e r i o r c o a t i n g s ,
Ottawa,
O H G A N I C COATINGS FOR THL INTERIOR OF GASOLINE DRUMS by
D.
G e n n i s , B. S o S t a f f o r d and J, H a r r i sI n t r o d u c t i o n
The P a i n t R e s e a r c h L a b o r a t o r y u n d e r t o o k , f o l l o w i n g a d e c i s i o n rnade by t h e Group o n t h e Drum S t o r a g e o f F u e l on F e b r u a r y 1 0 , 191;3,
t o e v a l u a z e v a r i o u s c o a t i n s f o r m c l a t i o n s f o r i n t e r i o r and e x t e r i . 9 ~ a p p l i c a t i o n t o s t e e l drums, T h i s r e p o r t d e a l s w i t h t h e work t o d a t e on i n t e r i o r c o a t i n g s , An i n t e r i o r c o a t i n g , t o be e f f e c t i v e , must . ? r e v e n t c o r r o s i o n of t h e s t e e l drum and h e n c e i n c r e a s e t h e s t o r a g e l i f e of t h e f u e l b T h i s p r o t e c t i o n may b e needed f o r p e r i o d s a s l o n g a s t e n y e a r s dependfng upon t h e t y p e o f f u e l b e i n g s t o r e d . C o a t i n g s must h a v e good r e s i s t a n c e t o t h e f o l l o w i n g f o r c e s : 1) s o l u t i o n b y t h e f u e l b e i n g s t o r e d ; 2 ) c o r r o s i o n ;
3 )
f r a c t u r e by impact a t low t e m p e r a t u r e s , I n view of t h e c o n s i d e r a b l amount o f r e s e a r c h c a r r i e d o u tf
on t h i s p r o b l e m by t h e U.S. ~ r m ~ ( l s t u d i e s i n t h i s p r o j e c t were l i m i t e d t o t h o s e c l a s s e s of c o a t f n g s which showed most praornise f r o m t h e work c a r r i e d o u t i n t h e U,S.A, These i n c l u d e a v a r i e t y ofm o d i f i c a t i o n s o f p h e n o l i c r e s i n s w i t h v i n y l , a l k y d and epoxy r e s i n s and a l l r e q u i r e b a k i n g , A number o f a i r - d r y i n g v i n y l b a s e form- u l a t i o n s were t r i e d a s w e l l a s s e v e r a l commercial m a t e r i a l s ,
Two s e r i e s of f o r m u l a e were p r e p a r e d and e v a l u a t e d , The f i r s t s e r i e s was e x p l o r a t o r y ; t h e second s e r i e s was a n e x ~ e n s i o n and e l a b o r a t i o n o f t h e f i r s t , F o r m u l a t i o n s f o r a l l t h e c o a t i n g s p r e p a r e d i n t h e l a b o r a t o r y a r e g f v e n i n Appendix A , p a g e s A : t o A l l ,
E l e v e n f o r m u l a t i o n s were o r i p i n a l l y p r e p a r e d . These were a s s i g n e d t h e l a b o r a t o r y numbers 1101L t o 1 1 0 2 4 i n c l u s i v e . The f o r m u l a t i o n s a r e g i v e n i n Appendix A , p a g e s All t o
AS
These c o a t i n g s were t e s t e d on 2
3/4-
b y 6 - i n c h , t w e n t y gauge, S.A,E, 1 0 1 0 , c o l d r o l l e d s t e e l p a n e l s , The P a n e l s were f i r s t c l e a n e d a c c o r d i n g t o t h e p r o c e d u r e o u t l i n e d i n method 1 0 0 . 1 o f t h e C a n a d i a n Government S p e c i f i c a t i o n Board'sf'Schedule o f Methods of T e s t i n g P a i n t s and pigments", 1-GP-71. The C o a ~ i n g s werea p p l i e d by d i p p i n g t o a d r i e d f i l m t h i c k n e s s o f a p p r o x i m a t e l y
5
r n i ~ r o n s ,(1) R e f e r e n c e : l e t t e r and r e p o r t frorn Q u a r t e r m a s t e r - G e n e r a l , W G R T 400, December 22, 1 9 5 2 , N O R O C , f i l e number M2-17-135-6,
The p a n e l s were s u b j e c t e d t o t h e t e s t s d e s c r i b e d below a f t e r t h e r e q u i r e d b a k i n g s c h e d u l e o r i n t h e c a s e o f t h e a i r - d r y i n g c o a t i n g s , a f t e r d r y i n g f o r one week a t 7 3 ' ~
+
3 . 5 " ~
and 5 0 p e r c e n t+ 5
p e r c e n t r e l a t i v e h u m i d i t y . A l l t e s t s w e r e - c a r r i e d o u t i n d u p l i c a t e .A
-
G a s o l i n e R e s i s t a n c eCoated p a n e l s were immersed t o a d e p t h o f two i n c h e s i n a v i a t i o n g a s o l i n e a t 7 3 ' ~ t
3 . 5 ' ~
f o r one h u n d r e d d a y s . They weret h e n removed and a f t e r a r e c o v e r y p e r i o d of two h o u r s , were e x a n i n e d f o r any c h a n g e s which may have o c c u r r e d .
B
-
Heverse Impact a t Low T e m p e r a t u r e sCoated p a n e l s were t e s t e d a t - 2 5 ' ~ and
-SOOc
w i t h a Gardner Impact T e s t e r u s i n 2 t w e n t y . - e i g h t i n c h pounds imi3act, The p a n e l s were a l l o w e d t o r e g a i n room t e m p e r a t u r e t h e n examined f o r c r a c k s o r l o s s of a d h e s i o n on t h e convex s u r f a c e u s i n g a m i c r o s c o p e o f t e n power m a g n i f i c a t i o n , Any change i n t h e c o a t i n g by c r a c k i n g o r l o s sof a d h e s i o n was c o n s i d e r e d a f a i l u r e ,
C
-
C o r r 3 0 s i o n R e s i s t a n c eCoated p a n e l s were t e s t e d f o r r e s i s t a n c e t o s a l t f o g a c c o r d - i n g t o t h e A,S,T,M. method B l l 7 , " T e n t a t i v e Method o f S a l t S p r a y
( F o g ) ~ e s t i n g " u s i n g a 20 p e r c e n t s a l t s o l u t i o n , The e d g e s o f t h e p a n e l s were d i p p e d i n a n a i r - d r y i n g enamel b e f o r e e x p o s u r e t o f o r m a 1 / 4 - i n c h b o r d e r around t h e p a n e l ,
D
-
Steam R e s i s t a n c e---
Coated p a n e l . ~ were suspended i n a s t e m b a t h f o r
4-8
h o u r s , The p a n e l s were removed and examined f o r any c h a n g e s which may h a v e o c c u r r e d ,E
-
A l k a l i R e s i s t a n c eC o s t e d g a n e l s were immersed i n 1 0 p e r c e n t sodium h y d r o x i d e s o l u t i o n a t 1 0 0 F f o r t h i r t y m i n u t e s , The p a n e l s were removed and examined f o r any c h a n g e s which may have o c c u r r e d ,
3 ,
---- Obsepvat+ o n s ----TABLE
I
GASOLINE, IMPACT, STEAM
ANDALIUiLI RESISTATICE OF COATEE PANELS
-
-Laboratory
Gasoline
Reverse Impact
Steam
Alkali
Number
Panel Resistance
Resistance
Resistance desistanc
-2s0c
-soOc
CoRo
C.R.
C o R e
C.R.
C.R.
CeX*
NoCe
NoCa
N.C,
N.C.
NoC
0N.C.
NoCo
N. C
,. N o C eN.C.
NoCo
N.Ce
N.Co
NoCo
MeC.
N.C.
LEGEND:
P
denotes pass;
F
denotes failure;
-
denotes test not done;
N,C,
-
No Change
TABLE I1
CORROSIOTJ RESISTAKCE OF COATED PANELS
L a b o r a t o r y
N-mb e r C o n d i t i o n
11014
Rust s p o t s a p p e a r e d a f t e r one day 11015 R u s t s p o t s a p p e a r e d a f t e r one day 11016 Rust s p o t s a p p e a r e d a f t e r t h r e e days 11017 S e v e r e r u s t i n g and s t r e a k i n g a f t e r t h r e e days A few b l i s t e r s a p p e a r e d a f t e r t h r e e d a y s , b u t no r u s t i n g t i l l n i n e d a y s 11020 Rust s p o t s a p p e a r e d a f t e r t h r e e d a y s 11021 S e v e r e r u s t i n g and s t r e a k i n g a f t e r t h r e e d a y s 11022 S e v e r e r u s t i n g and s t r e a k i n g a f t e r t h r e e days 11023 Rust s p o t s a p p e a r e d a f t e r f o u r t e e n d a y s 11024 Rust s p o t s and s t r e a k i n g a p p e a r e d a f t e r t h r e e d a y sk.
Summarv of R e s u l t s on F i r s t G r o w o f F o r m u l a t i o n s I n t h i s s e r i e s :a ) samples 11015, 11017 and 11023 were t h e most r e s i s t a n t t o f r a c t u r e by impact a t low t e m p e r a t u r e ;
b ) samples 11016, 11019, 11020 and 11023 gave t h e b e s t c o r r o s i o n p r o t e c t i o n t o s t e e l , Sample 11023 was t h e b e s t i n t h i s r e s p e c t ;
c ) a l l f o r m u l a t i o n s t e s t e d were u n a f f e c t e d by steam;
d ) samples 11015, 11019, 11020, 11023 and 11024 had s a t i s f a c t o r y r e s i s t a n c e t o a l k a l i .
5.
P r e p a r a t i o n of and T e s t s on t h e Second Group o f F o r m u l a t i o n sOn t h e b a s i s of t h e f o r e g o i n g r e s u l t s , i t was d e c i d e d t o p r e - p a r e a more comprehensive group o f f o r m u l a t i o n s t o b e t e s t e d i n a
p h e n o l i c - p o l y v t n y l b u t y r a . 1 and s e v e r a l y l a s t i c i zed ~ ~ i n y l c h l o r i d e -,
v i n y l - a c e t a t e copolymer f o r m u l a t i o n s which Report; TvTumber 1 7 8 1 o f t h e N a t i o n a l Bureau o f S t a n d a r d s had shown t o p o s s e s s des?.ral::le c h a r a c t e r a i s t i c s .
The f o r m u l a e a r e g i v e n i n Appendix A , p a g e s
AS
t o A l l , T:I a d d i b i o n , c o a t i n g s numbers 11015, 11017, 11020, and 11023 o f the p r e v i g u s s e t and 10956, 10965, 10968 and 10969 which a r e cornmerc-:.A cpoxy c o a t i n g s were i n c l u d e d i n t h f s s e r i e s .T e s t s on t h e s e samples were c a r r i e d o u t a c c o r d i n g t o t h e metehods d e s c r i b e d on page 2
.
The ~ o s t i m p o r t a n t c h a r a c t e r i s t i c s o f t h e s e c o a t i n g s were r e s i s t a n c e t o c o r r o s i o n by s a l t f o g , r e s i s t a n c e t o f r a c t u r e by r e v e r s e impact a t low t e m p e r a t u r e , and r e s i s t a n c e t o g a s o l i n e , It was d e c i d e d n o t t o t e s t t h e s e c o a t i n g s f o r a l k a l i and s t e a m r e s i s t a n c e s i n c e t h e s e p r o p e r t i e s werc a l r e a d y showri t o be v e r y good f o r these t y p e s o f c o m p o s f t i o n s ,
The c o a t i n g s were t e s t e d on
4-
by 6 - , i n c h , t w e n t y , f o u r gauge,SAE
1020, c o l d r o l l e d s t e e l p a n e l s . They were a n p l i e d a t a d r i e d f i l m t h i c k n e s s o f 1 2 , s+
2.5 m i c r o n s . A f t e r t h e s u i t a b l e b a k i n g s c h e d u l e , o r a f t e r a i r - d F Y i n g f o r one week a t7 3 ' ~
+
3 e 5 0 ~
and 50 p e r c e n t
-
+ 5
p e r c e n t r e l a t i v e h u m i d i t y i n t h e caseRof a i r - d r y i n g . f i n i s h e s , t h e p a n e l s were t e s t e d i n t h e same manner a s t h o s e of t h e p r e v i o u s s e r i e s e x c e p t t h a t t h e r e v e r s e Impact t e s t s were p e r f o r m e d a t O'C,-
20°C and -25OC.These t e s t s were c a r r i e d o u t i n d u p l i c a t e and t h e r e s u l t s a r e g i v e n i n T a b l e s I11 and. I V ,
TAGLE
I11
lILSISTATTCL OF'
COATEL
PklJEL? TO SALT SPliAY COHILO SIOI'JL a b o r a t o r y Cays 3umb e
r
P a n e l Exposed C o n d i t i o n No change Few/#?I
b l i s t e r f n g Kedium#8
b l i s t e r i n ~ Complete l o s s o f a d h e s i o n o v e r t o p h a l f o r t h e p a n e l-
FAILEX~ ~ e d i u r n . chan#e
8
o l i s t e r i n e o v e rSO:,
or tile p a n e lR l i s t e r f n . ~ s i z e and d e n s i - t y hiis i n - c r e a s e d and c a u s e d col;tlpl;.3f;e loss
of . a d h e s i o n o v e r 50:;; of t h e pane7'
-. F'ii 1 LzTJ
Few v e r - s ~ n a l l r u s t s p o t s
L e d i u o ~
$8
b i i s t e r i n f : o v e r p a n e l-
a l l a r e r u s t in:, and trios t of a r e st.realiin,y-
FAILED
No chanpe Piedium#8
b l i s t e r i n g o v e r p a n e l and two l a r y e ( $ ' I d i a a , ) r u s t b l i s t e r s 30'" , .I of b l i s t e r s a r e rus-bin[< anrl. s t r e a k . i n : --
F A I L 3 9 No cLiin2:e K O c h a n : ~ e No clianr1.e Few$8
3 1 i s t e r ic!; ?To chants1~C.edj.u~
776
b l l s t e r i n f i ;-
fel-,J blisters a r e r u s t in,? and s t r e a k i n p - F A I L X IIT,-,
chanpe No chanple Fo c h a n ~ eFew
#(3
b P i s % e r i n ~ 25::. of b l i - s t e r s a r e r u s t streakin.::--
FA
I
T.:XD No chanye No chznpe No chanp;e P'Iedium d e n s e# 9
b l i s t e r i n g i 3 l . i ~ t e r i n . 5 i n c r e a s in?; i n d e n s i t y Dense#q
b l i s t e r i n ? ;-
n o s t o.f b l i s t e r s a r e r u s t i n c-
FAILED
PJo change Few t o medium#9
b l i s t e r a i n gNo
shancye Hediurn89
b l i s t e r i n gTA
.-!L;<I1
I c o n t h u e d . --- Lalooratory Cays E:umL e r--
---
--
P a n e l Exposed-
---
C o n d i t i o n,,
, , , , . i ~ n i p. F! t o medium d.ense#9 51
i s t e r l r r i , - P ~ ~ e n s e# a
S l i s - t e r i n r r <-,-
most 0:;' 5 l i s t e r s a r c r u s t i n $ ;-
F H P ~ ~ ~ ~ . ~ No chanqe 1:ediurnk'9
b l i s t e r i n 5-
1 0 a r e r u s t i n p : antistreak in^
-
FAILED Few t o r i : e d i ~ l n#9
listeri in^
F!Ted4.um
# q
b l i s t e r i n r p-
805: a r e r us t in,; ancl s t r e a k i n y-
FAILED Yo chanrre Few#8
b l i s e r i n m o v e r t o p 20::: of p a n e l-
a l l a r e r u s t i n g 2 0 ' of b l i s e r s have s t a r t e d t o s t r e a l ;-
FAILFT; Fo chang;e P;edfum d e n s eH 8
b l i s t e r i n g over t o p 2wL of p a n e l-
most a r e r u s t i n g and s t r s a k i n s-
F A I L I D No change One s m a l l( l / q r '
d i a m . ) r u s t s p o t Kedium d e n s ek8
b l i s t e i n g Kedium d e n s e t o d e n s e$8
b l i s t e r i n e-
30$ a r e r u s t iiig and s t r e a k i n g-
?'AILED No change No chan,rl;e 1~umerou.s w h i t e s p o t s(3/16"
diam. )-
some a r s b l i s t e r i n g E l i s t e r i n g i n c r e a s i n gNo
chhn,.:e S e v e r e b l i s t e r i n g , r u s t i n ~ ~ n d . s t r e a k i n , y-
FAILED FC) chanc;e R O changeAbout
1.2
a r e a s o f rnediurn ,dense#
8
b l i s t e r i n p ; 257: of p a n e l a r e a a f f e c t e d l ~ ~ e d i u m d e n s e
$8
b l i s t e r i n p o v e r p a n e l No cban!;e P a n e l i s d a r k e n i n g b u t n o s u r f a c e r u s t P a n e l i s s t a r t i n s t o s t r e a k-
FAILED
No c h a n ~ e No change No c h s n ~ e P m e l i s d a r k e n i n g No change No changeTA3LE I11 c o n t i n u e d L a b o r a t o r y Num is e r
---
Pane 1 Days Exposed C o n d i t i o n No change No change Median t o medium#8
b l i s t e r i r ~ ~ Medium dense#8
b l i s t e r i n g-
vest
showinp r u s t
-
FAILED K O chanpeP.?o chanSe
EIediurn
#8
b l i s t e r i n g-
few showing r u s t-
FAILEDK O
chanpe No change No chan e Medium88
b l i s t e r i n g-
501~
a r e r u s t i n g and s t r e a k i n p-
FAILTJ One r u s t s p o t No change Medium dense #8 b l i s t e r i n g50$
of b l i s t e r s a r e r u s t i n g and s t r e a k i n g-
FAILEDMany w h i t e s p o t s (+I' d i a m , )
-
twoa r e showing r u s t S e v e r e r u s t i n g and s t r e a k i n g
-
FAILZD Many w h i t e s p o t s-
3
a r e r u s t i n g and t h e o t h e r s a r e b l i s t e r i n g S e v e r e r u s t i n c and s t r e a k i n g-
FBILZD No change Medium b l i s t e r i n g-
257; of b l i s t e r s a r e r u s t i n p ;-
FAILED No change Few v e r y s m a l l r u s t s p o t s Medium#8
b l i s t e r i n g-
257:
of b l i s t e r s a r e r u s t i n g-
FAILED No change Few#8
b l i s t e r i n g-
a l l a r e r u s t i n g and s t r e a k i n g-
FAILED Few#8
b l i s t e r i n g-
a l l a r e r u s t i n g and s t r e a k i n g-
FAILEC No change About 50 s m a l l b l a c k s p o t s b e n e a t h s u r f a c e No changeBlack s p o t s have s t a r t e d t o show s u r f a c e r u s t
-
FAILED No change Few s m a l l b l a c k s p o t s beneath s u r f a c e About 100 s p o t s now S p o t s i n c r e a s i n g i n a r e a( 3 / 8 "
diam.) S e v e r e r u s t i n g b e n e a t h s u r f a c e-
FAILEDTABLk I11 c o n t i n u e d Laboratory Days Number P a n e l hxposed C o n d i t i o n 11032 A
3
Few#8
b l i s t e r i n g7
No change 11 About 10 b l a c k s p o t s beneath s u r f a c e 1 8 No change$2
No change Area of d a r k s p o t s i n c r e a s i n g but; no s u r f a c e r u s t i n g y e t46
Severe r u s t i n g , b l i s t e r i n g and s t r e a k i n g-
FAILbU B3
No change7
No change11 A few b l a c k s p o t s
(l/ol'
diam.) beneath s u r f a c e18
No changet 2
No change No change46
Severe r u s t i n g , m i s t e r i n g and s t r e a k i n g-
FAILED A3
No change7
No change 11 No change 1 8 No change$2
Panel i s s t a r t i n g t o darken No change4-6
Severe darkening beneath s u r f a c e-
FAILED B3
No change7
No change 11 No change 1 8 No change 25 Panel i s s t a r t i n g t o darken8
No changeSevere darkening beneath s u r f a c e
-
FAILED A3
No change7
No change ' 11 Few #8 b l i s t e r i n g18
B l i s t e r s a r e r c s t i n g and s t r e a k i n g-
FAILED B3
No change7
Few#8
b l i s t e r i n g 11 Few t o medium#8
b l i s t e r s18
Dense#8
b l i s t e r i n g-
FAIL%L a ' r ~ o r a t o r y Xumb e r P a n e l TABLE 111 c o n t i n u e d Cays Exposed C o n d i t i o n
3
2 v e r y s m a l l (1/1011 diam. ) r u s t a r e a s7
No change 11 About 30 w h i t e s p o t s(it'
d i m , ) b e n e a t h s u r f a c e18
White s p o t s have b l i s t e r e d and a r e s t a r t i n g t o r u s t-
FAILED3
No change7
3
v e r y s m a l l (1/16" d i m . ) r u s t a r e a s11 About 1 2 r u s t s p o t s
(if'
diam. ) FAILED3
No change7
Few v e r y s m a l l (1/16" d i m , ) r u s t a r e a s 11 Mediurn #8 b l i s t e r i n g18
SO$
of r u s t s p o t s have s t a r t e d t o s t r e a k-
Ff'iILED3
No change7
Few v e r y s m a l l (1/16" diam, ) r u s t a r e a s 11 No change18
About 50% ,&, b l i s t e r s t h a t a r e r u s t i n g 40% a r e s t r e a k i n g-
FAILEE3
No change7
Few v e r y s m a l l r u s t a r e a s( l / l h t '
d i m . 11 Few#8
b l i s t e r i n g18
80;:
of b l i s t e r s a r e r u s t i n g-
FAILED3
No change7
Few v e r y s m a l l r u s t a r e a s ( l / 1 6 ' t d i a m . ) 11 Few #8 b l i s t e r i n g-
00;%
a r e r u s t i n g-
FAILED3
bout 1 2 r u s t a r e a s(1,/0*
d i m , ) o v e r 25% of p a n e l-
a l s o many w h i t e s p o t s b e n e a t h t h e s u r f a c e ."7
S e v e r e r u s t i n g and s t r e a k i n g-
FAILED3
No change '7I About 20 a r e a s
(in
diam.) ofr u s t
-
FA1LL.D3
Medium#8
b l i s t e r i n g-
a l s o many r u s t a r e a s(1/8"
d i m , ) - FAILED3
No change7
S e v e r e r u s t i n g and s t r e a k i n g-
FAILEG3
No change7
About 20 a r e a s (3/16" d i a m , ) of s e v e r e r u s t i n g . and s t r e a k i n g-
FAILED No change S e v e r e r u s t i n g o v e r t o p 255 of p a n e l-
F'AILED-
-TAbLTi; I I I coiii;inued --
-
.-.- La-::.orat o r y Number Days P a n e l Exposed C o n d i t i o n ..-3
r u s t a r e a s (1/:3" d i a m . ) Few r u s t a r e a s t h a t a r e s t ~ e a k i n g-
FAILED No change Few r u s t a r e a s t h a t a r e s t r e a k i n g-
FAILED S e v e r a l r u s t a r e a s t h a t a r e s t r e a k f n g-
FAILED S e v e r a l r u s t a r e a s t h a t a r e s t r e a k i n g-
FAILEGFew t o mediim
#8
b l i s t e r i n g andtwo s m a l l r u s t a r e a s ( l / f j l ' diam, ) S e v e r a l r u s t s p o t s a t t h e t o p o f p a n e l Tdllich a r e s t r e a k i r l g
-
FAILED No change About 1 0#4
b l i s t e r s o v e r p a n e l -dhich a r e s t r e a k i n g ' - FAILEG Four l a r g e r u s t a r e a s (5/16" d i a r ~ , ) t h a t h a v e s t a r t e d t o s t r e a k-
FA I USD C o a t i n g h a s l o s t a d h e s i o n - FAILED3
S e v e r e r u s t i n g and s t r e a l r i n g o v e r p a n e l-
FAILED3
S e v e r e r u s t i n g and s t r e a l t i n s o v e r p a n e l-
FAILED3
Few r u s t a r e a s(118"
d i a m . )7
Complete l o s s of a d h e s i o n '== FAILE133
F i v e r u s t s p o t s o v e r p a n e l t h a t a r e s t r e a k i n g-
FAILED3
No change7
S e v e r e s t r e a k i n g from medium j'8 b l i s t e r s *-= FAILil,L;3
Plediurn#8
b l i s t e r i ~ g r 9 30% a r e r u s t i n g and s t r e a k i n g.-
FAILED Note: Thesize
and d e n s i t y o f any b l i s t e r s a r e r e p o r t e d a c c o r d i n gt o t h e A.S.T.M. method f o r E v a l u a t i n g Degree o f B l i s t e r i n g
T A B L E I V G A S O L I N E AND R E V E R S E I M P A C T R k , S I E T A N C E OF G O A T E E PAI'TITLS
---
L a b o r t a r y G a s o l i n e N u m b e r Panel R e s i s t a n c e R e v e r s e Impact R e s i s t a n c e 1 0 0 days 0 ° C -:2OUC - 2 5 ° C-
10956
A No C N e C e C.R. COT!O N.C. N.C. i\To,Co N a C e NOC. C o R , N a C e N.C. C o R . C .I?, A N, C. C . R . C , H , C , R o C o R o C , R , C . R . C.Ii. B N.C. C O H O C o R o C a R o N o C o N oC 0 N o C e C o R e C . R o N o C o N e C o C o R o N o C o N o C . N o C e C 0 Ii, C , R o C.R. A N o C o m.3-
BN,
C.-
-
-
-
T A B L E I V c o n t i n u e d L a b o r a t o r y G a s o l i n e N u m b e r P a n e l R e s i s t a n c e R e v e r s e I m p a c t R e s i s t a n c e -
---
100 days 0 ° C - 2 0 ° C-..~sac
N o C e N o C e N.C. N o C e N.C. N e C o No C o N o C. N. C ,PJ,
C , N , C . N o C o N o C a N, C. N.Co N o C e N o C e N.C. NQCO NoCo WOCO N.C. C e R e CUR. N.Co N o C o COHO C O H O C , R . C o R o C o R o C , R . C . R e C o R o C e H , C o R o C o R e C.H. C.R. C o H e C o R o C o R o C o R o C o R o No Co N.C. C o R o C , R , C OR0 C . H a C , R , C O H O C o R e C . R . C.R. C.Ro C .R, COHO C o R e C , R , L E G E N D : - d e n o t e s t e s t n o t done; N e C ,-
N o C h a n g e ; C o R e C r a c k e dTABLB I V continued L a b o r a t o r y G a s o l i n e Numb e r Panel R e s i s t a n c e R e v e r s e I m p a c t R e s i s t a n c e 1 0 0 d a y s O°C - 2 0 P C
-325"
C 11040 A N. C. N o C o N ,c
.
N.C, B N . C o N. C . C O H O C U R .11041
Aram c o
C.R. C o R o C o H - B N e C a C e i i O C o H a C o R e 11042 A N o C o C - R , C , K . C , R . B N e C o C o R o C eH e
C e R e11044
A N o C. C e R e C o H o C o H o B N o C . C o R e C O H O C oHo1104.5
A N e C e C e R o C o K O C OR, B N a C m C a R o C o R o C o R o11046
A N o C e COH
o C o R o C o R o B N o C 0 C o R o Co Ro C o R o11047
A N.C. C o R e C o R a C o R o B N o C o COHO C e R o C o R o11048
AN.
C , C , R , C . R . C o R . B No C a C o R e C * H o C o R o11049
A N . C m N o C e N o C o i\i o C 0 B N.C. N.C.N o
C , N.C. LEGEND: - d e n o t e s t e s t n o t done; N.C.-
N o C h a n g e ; C o R o-
C r a c k e dS u m ~ a r y of t h e Second F e r i e s o f T e s t s The r e s u l t s o f t h e s e t e s t s show t h a t t h ~ c o a t i n g s
10968,
10969, 1 1 0 2 3 , 11032 and 11033 h a v e b e t t e r c o r p o s i o n - r e s i s t z n t p r o p e r t r i e s t h a n t h e r e r n a i n i n ~ f o r 7 - c ~ u l a t i o n s of t h e s e r i e s , S ' m p l e s 1 0 9 6 8 a ~ l ~ d 'C)969 a r e c o m m e r c i a l t t l e r m o - s e t t i n g epoxy f o r m u l a t i d ~ l s , s a m p l e s 11023 and 11033 a r e v i n g l i d e n e c h l o r i d e - a c r y l o n i t r i l e c o p o l g ~ ~ e r 1 o r m u l a t i o n s and 11032 i s a p h e n o l i c - v i n y l f o r r r . u l a t i o n . The t e s t s f o r r e s i s t a n c e t o f r a c t u r ea t
low t e m p e r a t u r e s by i m p a c t were more s e v e r e i n t h i s s e r i e s s i n c e t h e f i l x thickness h a d b e e n i n c r e a s e d . Samples 10965, 10969 and 11049 showed b e s ti m p a c t r e s i s t a n c e i n t h i s s e r i e s . Samples 10965 and 10969 a r e t h e r m o - s e t t i n g epoxy t y p e f o r m u l a t i o n s w h i l e 11049 i s a n a i r - d r y i n g v f n y l f o r m u l a t i o n . A l l t h e c o a t i n g s were u n a f f e c t e d by i m m e r s i o n in a v i a t i o n r a s o l i n e f o r 1 0 0 d a y s , 0
7. E f f e c t o f Using Wask-primed and P h o s p h a t i z e d
-
S t e e l-
The e f f e c t o f u s i n g a wash-primed s u r f a c e and a p h o s p h a t i z e d s u r f a c e was a l s o s t u d i e d i n a n a d d i t i o n a l s e r i e s ,
S t e e l ~ a n e l s o f t h e same z a u g e and t y p e u s e d i n t h e f o r e - g o i n g s e r i e s were c l e a n e d a c c o r d i n g t o method 1 0 0 , l o f t h e C a n a d i a n Government S p e c i f i c a t i o n B o a r d ' s " S c h e d u l e o f Methods o f T e s t i n g P a i 2 t s and p i g m e n t s " , 1-GP-71. These p a n e l s were t h e n
di,.
a,oated w i t h a v i n y l - t y p e wash p r i m e r ( l a b o r a t o r y number 1 1 1 3 0 ) , The formulation of t h i s m a t e r i a l i s g i v e n i n p a s eAll
o f Appendix A,The d r i e d f i l m t h i c k n e s s of t h i s m a t e r i a l w a s l e s s t h a n 2.5 m t c r o n s , The p r i n e r was a l l o w e d t o d r y f o r a p p r o x i m a t e l y one h o u r a t room t e m p e r a t u r e and t h e p a n e l s were t h e n d i r z o a t e d w i t h c o a t i n g s 1 1 0 2 3 , 1 1 0 3 5 , 11040, 1104.2 aqd 1104.6 t o a t o t a l d r i e d f i l m t h i c l i i l e s s b e -
t w e e n 1 0 and
15
m i c r o n s .These c o a t i n g s were a l s o a p p l i e d t o p h o s p h a t i z e d s t e e l p a n e l s . These p a n e l s were o f 24-gauge s t e e l a n d h a d a z i n c p h o s p h a t e c o a t i n g of 200 m i l l i g r a m s p e r s q u a r e f o o t , The o r g a n i c c o a t i n g t h i c k n e s s was b e t w e e n 1 0 and
15
m i c r o n s .A f t e r b a k i n g u n d e r t h e p r e s c r i b e d c o n d i t i o n s o r a f t e r d r y i n g f o r one week a t 7 3 ' ~
+
3.5'F and 50 p e r c e n t+ 5
p e r c e n t r e l a t i v e h u m i d i t y f o r t h e a i r - T r y c o m p o s i t i o n s , t h e p a n e l s were s u b j e c t e d t o t h e c o r r o s i o n and t h e r e v e r s e i m p a c t t e s t s a s d e s c r i b e d f o r t h e p r e v i o u s s e r i e s , A l l t e s t s were c a r r i e d o u t i n d u p l i c a t e ,8,
O b s e r v a t f o n sTABLE; V H E S I S T A X C E O F C O A T I N G S ON P H L T R Z A T E D P A N E L S T O F H A C T U R E BY I M P A C T L a b o r a t o r y W a s h - P r i n e d S u r f ace P h o s p h a t f z e d I T m b e r Panel, S u r f a c e 0 ° C -15°C - 2 S 0 C
oOc
- 1 5 ° C - 2 5 ° C C . R . C a R aN o
C . N , C . No C 0 N , C o N e C o N o C o C o R o C . R , C e R o C e R o C a R e C , R , C U R o C e R o C . R , C o R e C ,R.
C.R. N , C , N o C o C o R ,C,K.
COR. C o R e C m R o C.H, C o R o C.R. C , R , C.R. C . H , cefi.No
C C , I3 0 C * I j a C e R o C o R e C.H, L Z G E J D : C , R e-
C r a c k e d ; N , C o = . NG C h a n g e --
C O i i 8 9 5 1 0 3 T R E S I S T A N C E OF C O A T I N G S ON WASH-PRIMED S T E L L L a b o r a t o r y D a y s N u m b e r P a n e l Exposed C o n d i t i o n S i x#8
b l i s t e r s s c a t t e r e d o v e r p a n e l-
t h e y a r e r u s t i n g and s t r e a k i n g-
F A I L E D N o change N o changeNo
chs*lge A b o u t 500 s m a l l r u s t s p o t s ( 1 / 1 6 " d i a m , :-
20% a r e s t r e a k i n g-
F A I L E D N o change N o change N o change S e v e r a l w h i t e s p o t s b e n e a t h s u r f a c e ( 3 / 1 6 I t d i a m , ) 40% a r e s t a r t i n g t o r u s tTABLE V I c o n t i n u e d Lalr,oratory Days l\T urib e r P a n e l Lxpo s e d -- - -- 1 1 0 3 5 A 25 25;: o f p a n e l c o v e r e d i n ~ > ? n i t ~ : ~ p o t s (3/16" diarn, ) t h a t a r e r 1 i ~ s t i 1 z ; ;:?ld
blister in^
-
FAIL-l5D 2 No chnn:?;e3
TJo change1 1 No change
1 0 About 2 5 w h i t e s p o t s benca.tl:~ ::urTf'ace 2 5 ?;evere r u s t i n g ant? strc:zLl;i~p;
-
I,"ii2:Li:~I;2 IJo c h . a n ~ e
3
?To cln ange 11 1b:edium d e n s e b l l . - t e r i n ? ; ~ar.:; L o s s of a d h e s i o n o v e r1.p $
o f p a n e l-
PI'LILY:,G2
No ch.ange3
No change 11 S e v e r e b l i s t e r i l l ; , r u s t i n g an:' s t r e a . 1 ~ - ills-
FAILLE 2 N o change3
No change11 MeL'liuri cie:l:,c, 1, 0 b l i s t e r l ~ . i ; _ tij-iii loss of'
z~Cil:esi~n o v r b-0$ of n a n e l
-
FAILED2
P*-tjout 1 2$-'8
bl4 s t e r s which a r e r ~ s ~ s i n gSO:.;'
a r e s t r e a k i n g-
I;'I:ILZI; 2 Four r u s t l j l i s t e r s( l / 4 "
d i m , ) two a r e s t r e a k i n g-
FAILLL 2 I\'o ch.ange3
No change 11 Two r u s t b l i s t e r s( l / I . l l f
d i a n i , )18
S e v e r e r u s t i n g and s t r e a k i n 2-
5 3 I L i L -----
--- -----
.---.-. -,- TALLE 7 J j - I---
CORR3SION H3F.;IETH7.'?CE 3F C O A T I I J G W T J PEi:CEPiT:7Y'IZ>i!j STTI;II%
-. --
-
.---.--- .-. - -.-.--.-, --"---
L a b o r a t org :lags 1Iu:cnb e r P a n e l Exuosed C o n d i t i o n No cilange?TO
changc No change Wo changeFetr
#3
b l i s t e r s which art r,s.';f I(- a-
20$ a r e s t r e a k i n g
-
FAILS3 No change No chzngeNO
cl?ai?ge No c h a n ~ e lsledium$3
b l i s t e r i n g b u t no rust y e t-
FAILEDTA1,LE V I L c,on.t in u e d --.-- - L a b o r a t o r y 3ay s JTmb
er
P a n e l Exposed C o n d i t i ~ ~ l i :i\Jo change No change No change No change About6
a r e a s( 3 / 8 "
diam. o f r u . s t l . n g and s t r e a k z n g-
FAILED No change IJo change No change No change About6
a r e a s(3,1'8"
d i a m , ) o f r u s t i r l g and s t r e a k i n g-
FAILEG NG chznge No changeNG
changs About 1 0 a r e a s o f r u s t i 2 g-
3
a r e s t r e a k i n g-
FAILED No change No change No e h a q e No cl-lange S e v e r e r u s t i n g and s t r e a k i n g-
FAILED No change No change No change About 50 w h i t e s p o t s (3/1bYt d i a m , ) b e n e a t h t h e s u r f a c e L o s s of a d h e s i o n o v e r 40$ of p a n e l-
FAILED No change TJo change ITo charwe Few s m a 1 . l PUS^ s p o t s ( l / l h " d i m , ) S e v e r e r u s t i n g and s t r e a k i n g-
FAIL5D About:6
s m a l l r u s t s p o t si,1./0"
d i a r r . )Nc
change One a r e a (20':; - . o f n a n e l j of s e v e r e r u s t i n g and s t r e a l r ~ & and a f ' e w srnall r u s t s s p o t s-
FAILEC No change No change One a r e a (20$ o f p a n e l ) s e v e r e r u s t i n g and s t r e a k i n g-
FAILED9 ,
Summary o f R e s u l t s on P r e t r e a t e d S u r f a c e sThe u s e o f a wash-primed s t e e l surf'ace improved t h e a d h e s i o n and c o r r o s i o n - r e s i s t a n t p r o p e r t i e s of t h e system, S e v e r a l c o a t i n g s w i t h - s t o o d t h i s r e v e r s e i m p a c t t e s t a t
.
2 5 ' ~ when t h e s u r f a c e was wash-primed,The use of the phosphatized surface did not improve the
results obtained i n the reverse impact test, however, this type of
surface pretreatment did inprove the corrosfon-resistant properties
of the system,
10, Summary
Thirty-three samples were tested in this section of the
project, Four of these were commercial thermo-setting epoxy
formulations of which the detailed
compositionswere not known.
The general non-volatile ,vehicle
combinations c,onsidered were:
catalytically cured epoxy
epoxy-phenolis
phencllie
phenolfa,-epoxy-.urea
formaldehyde
phe~olir-epoxy-polyviny1butyrak
phenolic-polyvinyl butyral
phenolic-alkyd-polyvinyl formal
vinylidene chloride-acrylonitrile copolymer
modified vinyl chloride-vfnyl acetate copolymer
The properties of the formulations prepared i n these
laboratories varied markedly,
In
general, sample 11023, which is
vinylidene chloride-aerylonitrire formxiation, had the best all-
round properties, but is difficult to appiy by spraying, Coating
11032,
which is
aphenolic-,vinyl formulation, showed excellent
resistance to corrosion by the method used, however, its resistance
to impact was not as g ~ o d
as many other materials.
Several samples showed better resistance to fracture by
impact at low temper3atures than the remainfng compositions, These
samples, 11031? l1040, and
11049were of phenolic-,epoxy-vinyl.,
phenolic.-.v-f.nyl
and vinyl compc
sition.
All the samples tested showed excellent resistance to
gasoline, From the tests carried out on the ffrst series of
co:tfngs and from general information on the resin structures,
ftmay be assumed that any formulation containing appreciable a m o ~ m t s
of alkyd, polyvinyl butyral or polyvinyl formal resins will
b eattacked by hot caustic
solutions,On the basis of these tes-t
rbesult.s
the following coatings
are recommended for further
testing through field exposures:
1) llOl,rg
Phenolic-polyvinyl butyral coatfng
2 )
21022
Catalytf
eally cilred epoxy coating
3 )
11023
Vinylidene chloride-aerylonftrila copolymer
coating
P h e n o 1 . i ~ - e p o x y - p o l y v i n y l b u t g r a l c o a t i n g Phenoli c-polyvinyl b u t y ~ a l c o a t i n g
.
Vinyl c h l o r i d e - v i n y l a c e t a t e copolymerc o a t i n g
8 )
10965 Commercial epoxy c o a t i n gT e s t s were a l s o c a r r i e d out i n t h i s p r o j e c t with w a s h - ~ ~ i r n e d and phosphatfzed s t e e l a s s u b s t r a t e s f o r t h e s e c o a t i n g s , The t e s t s show t h a t t h e s e s u r f a c e p r e p a r a t i o n s w i l l improve t h e adhesion of t h e organic c o a t i n g s and t h e c o r r o s i o n r e s f s t a n c e of t h e system as well,
It
i s recommended t h a t drums with s u r f a c e p r e t r e a t m e n t be included i n t h e f i e l d t e s t s ,APPENDIX
A
FORPIULATION OF THE COATINGS
A.
Composition of Interior Erum Coatings
Phenolic-Vinyl Coating
Laboratory number llOllC
N,R,P,
50
Parts by weight
-
Phenolic resin solution
:Resinox P-97
51.0
Polyvinyl butyral resfn
:Butvar B-76
13.5
Sol.vent
;Methyl isobutyl ketone
35.5
Baking schedule: 20 minutes at 350°F',
2.
Phenolic-Epoxy Coatfn~
Laboratory number 11015
N.R,P.
51
Parts by weiaht
Phenolic resin solution
:Resinox P-97
30.3
Epoxy resin
"rpon
1007
15.3
Solvent
:n-Butanol
13*2
:Xylene
13.2
:Methyl isobutyl ketone
27.6
Iron oxide pigment
~Mapico
420
1
.
0
Baking schedule: 30 minutes at
3 5 0 ~ ~ ~
Phenolic
---
Vfn;E:P -Coating
-
Laboratory number 11016
N.R*Pa
52-
Parts by weight
Phenolic resin solutfon
:Resinox P-97
Polyvinyl formal resin
a
Formvar F-770
Solvent
:n-But
an01
:
Xylene
:Methyl isobutyl ketone
Baking schedule: 20 minutes at 3 5 0 ' ~ ~
Phenolfc-Vinyl Coatinq Laboratory number 1101.7 Ne30P,
53
-
P a r t s by weight P h e n o l i c r e s i n:R-108
7
05
P o l y v i n y l b u t y r a l r e s i n s o l u t i o n:lo$
s o l u t i o n of Butvar B-76 i n s e c - b u t a n o l 50.0 S o l v e n t : Sec-butanol 294
~ D i a c e t o n e a l c o h o l13.1
C a t a l y s t :857:
Phosphoric a c i d 0.13 Baking schedule: 40 m i n u t e s a t 330°F0 Phenolic-Alkyd C o a t i n 8 Laboratory number 11018 N"R.P,54
P a r t s by weight P a r t A ~ l k y d r e s i n s o l u t i o n : Glypt a 1 2480 60,0
I r o n o x i d e pigment ~ M a p i c o 420 1 0 6 S o l v e n t :n-Butanol 6,O o, Xylene 3 0 9 0 :Methyl e t h y l ketone3
0 0 :Isophorone 3.0 P a r t B P h e n o l i c r e s i n S o l v e n t C a t a l y s t:R-108
20.
o
: E t h y l a c e t a t s 1 1 , O :85%
Phosphoric a c i dom5
I n s t r u c t f m f o r usesOne hundred grams of P a r t A were added w i t h s t i r r i n g t o s f x t y - t h r e e grams of P a r t B, The m i x t u r e was u s e d w i t h i n e i g h t h o w s ,
Laboratory number 11019
N o R o P e
55
Part.s by weight
Phenolic resin
:K-108
22.3
Zpoxy resin solution
solution of Epon
1007 in a mixed
solvent of
66
parts
of toluene to 22
parts of methyl ethyl
ketone to
12parts
'of methyl isobutyl ketone
55.8
Solvent
~957;
Ethyl alcohol
10-6
:
Toluene
10.6
Catalyst
:85%
Phosphoric acid
065
Baking schedule:
25
minutes at 400°F.
Phenolic-E~osrv-Melamine
Formaldehvde Coatina
Laboratory number
11020N,E,P.
56
-
Parts by weight
-
Phenolic resin
:R-108
2000Epoxy resin solution
:SO$
solution of Epon
1007 in a mixed
solvent of
50
parts
of diacetone alcohol
to
50
parts of xylene
32.0
Melamine-f
ormaidehyde re
sin
solution
~Resimene
875
8,o
Solvent
:Gfacetone alcohol
20.0:
Xy-bene
16,0
Catalyst
:85%
Phosphoric acid
002Baking schedule:
26
minutes at
40o0F0
8,
----
Phenolic-Alkyd Coating
Laboratory number
11021N , R , P .
57
Phenolic resin solution
:Re sinox P-97
Alkyd resin solution
:Rezyl
387-5
Solvent
:n-But
an01
:
Xylene
Parts by weight
C o l d S e t t i n g E p o q C o a t i n g L a b o r a t o r y number 1 1 0 2 2
r
58
P a r tA
Zpoxy r e s - i n : i p o n 1 0 0 1 U r e a - f o r l n a l d e h y d e r c s i . n s o l u t i o n : B e e t l e 216-8 S o l v e n t : M e t h y l i s o b u t y l k e t o n e : B u t y l c e l l o s o l v e : T o l u e n e P a r tE
E t h y l e n e di.amine W a t e r I n s t r u c t i o n s f o r Use: I m e d i a t e l g p r 5 o r t o u s e , 1 3 0 g ; r z ; : s of Pa1.t L.werl-;
7 , - t h o r o u g h l y m i x e d with 1 5 0 0 g r a m s o f P a r t A.. ; h i s i s a c a t a l y s e d a i r - d r y i n g f'ornnllati.on. V i n y l i d e n e C h l o r i d e-
l i c r y l o n i t r i - l e Copolymer --- Coati:np; L a b o r a t o r y number 1 1 0 2 3 TJ,H,P, 59 P a r t s1~-
rdei.;ht V i n y l i d e n e c h l o r i d e - ' a c r y l o n i t r i l e c o p o l y m e r : S a r a n F-120, 1 0 0 0 c p s 1 5 . 0 S o l v e n t : M e t h y l e t h y l k e t o n e2,s
0 T h i s i s a n a i r - d r y i n g f o r m u l a t i o n , 11,-
Phenolic-3i;poxy-Polyvinyl .--- B u t y r a l C o a t i n g L a b o r a t o r y number 1 1 0 2 4 N , R , P , 60 P h e n o l i c r e s i n:R-108
20,OLpoxy r e s i n s o l u t i o n
:SO$
s o l u t i o n o f Epon 1 0 0 7 i n a m i x e d s o l v e n t o f 5 0 p a r t s o f x y l e n e t o 5 0 p a r t s o f d i a c e t o n e11. ( c o i i t i n u e d ) P h e n o l i c - E p o x y - P o l y v i n y l B u t y r a l C o a t i n 8 L a b o r a t o r y number 1 1 0 2 4
man,?.
60 -- P a r t s ... .-by
weic;ht P o l y v i n y l b u t y r a l r e s i n s o l u t i o n:lo<$
s o l u t i o n o f B u t v a r S o l v e n t C a t a l y s tB-76
i n
a mixed s o l v e n t o f 50 p a r t s o f x y l e n e t o 50 > a r t s o f d i a c e t o n e a l c o h o l 12,O : M a c e t o n e a l c o h o l 20,O : Xylene 20.0 :85,,:
P h o s p h o r i c a c i d 0 , 2 Baking s c h e d u l e :15
m i n u t e s a t ~ O O ~ F , 1 2 , P h e n o l i c - P o l y v i n y l B u t y r a l C o a t i n g L a b o r a t o r y number 11025 W.H.P. 6 4 P a r t s by w e i g h t P h e n o l i c r e s i n :H-108 P o l y v i n y l b u t y r a l r e s i n s o l u t i o n : 1 0,;
s o l ~ l t l o n of B u t v a rF-76
i n s e c - b u t a n o l S o l v e n t : s e c - S u t a n o l : L i a c e t o n e a l c o h o l C a t a l y s t :35,;
P h o s p h o r i c a c i d Baking s c h e d u l e : 4.0 m i n u t e s a t3 3 0 ~ ~ ~
Phenolic-Lpoxy-Polyvinyl
B u t y r a l C o a t i n q L a b o r a t o r y number 11026 N.H.P.65
P h e n o l i c r e s i n :R-108 P a r t s by w e i g h t Epoxy r e s i n s o l u t i o n :50jl s o l u t i o n o f Epon 1007 i n a mixed s o l v e n t o f 50 p a p t s x y l e n e t o 5 0 p a r t s o f d i a c e t o n e a l c o h o l31.3
P o l y v i n y l b u t y r a l r e s i n s o l u t i o n:lo$
s o l u t i o n o f B u t v a r B-76 i n a mixed s o l v e n t o f 50 p a r t s o f x y l e n et o
50 p a r t s o f d i a c e t o n e a l c o h o l . 24,013
(continued) Phenolic--Epoxy-Polyvinyl
Butyral Coat
i n sSolvent
Catalyst
:Liacetone alcohol
1 6 * ' j ':Xylene
l b $ 7
:85;:
Phosphoric acid
0:1.6
Baking schedule:
15
minutes at 400'~.
Phenolic-Alkyd Coating
Laboratory number 11027
N.R.P.
66
Phenolic resin solu-tion
:Re
sinox P-97
~llkyd
resin soliltion
:Rezyl
387-5
Solvent
:n-But
ano
1:
Xylene
Baking schedule:
30
minutes at
350'~.
Vinyl-Urea-Formaldehyde Coatinq
Laboratory n-~niber
11020
x , t i , p .67
Parts
byIAJ~~S-.~?~
Parts
hgweight
Vinyl chloride-vinyl
acetate copclymer
:V.R.G.H.Urea-formaldehyde resin
solution
:Uformite I"-240
Stabilizer
:A-5
Solvent
:Methyl isobutyl ketone
Baking schedule:
20 minutes at 320°1?,
16,
Epoxy-Urea-Formaldehyde Coatinq
Laboratory number 11029
N.R.P,
69
Parts
by weight
Epoxy resin
:Epon 1007
21,O
Urea-formaldehyde resin
solution
:Beckamhe
P-138
9=0
Solvent
:Methyl isobutyl carbinol
17e5
:Methyl isobutyl ketone
17.5
:
Toluene
1Tj5
:Xylene
17.5
Phenolic-Epow-Vinyl C o a t i s
Laboratory number 11031
N,H,P,
76
- - . -Parts
.)-\- -Lli---ljsic;l~t
Phenolic resin solution
:Bakelite
10673
' '7- < :-
:Epon 1004
Epoxy resin
./ n bPolyvinyl butyral resin
:X.Y.H.L.
5
7
Chlorinated biphenyl
:Aroclor
1254
Solvent
:Methyl isobutyl ketone
3 7 , 3
Baking schedule:
20minutes at 325'F.
18,
Phenolic-Vinyl C o a t i q
Laboratory number 10032
N,R,P,
77
--
Parts
&
if:2i,;!itPhenolic resin solution
:Bakelite
10673
Lk? a3
Polyvinyl butyral resin
:XeY*13*La
5+2
Solvent
:liethy1 ethyl ketone
l s J O:n-Butanol
d ~ O , Oasking
schedule:
20minutes at 325'F.
Vinylidene Chloride
-
Acrylonitrile Copolylner Coatin$
Laboratory number
11033
N.R.P.
89
Parts
by.weight
Vinylidene chloride-
acrylcnitrile copolymer ;Saran F-120,200 cps
1 s O O
Solvent
:Methyl ethyl ketone
8 s O O
This is an air-drying formulation,
Phenolic
-Epoxy Coatinq
Laboratory number
11035
N.R.P,
132
--
Parts
byweight
Phenolic resin solution
:Resinox P-97
12,O
Epoxy resin solution
:50$
solution of Lpon
1001
i n a mixed
Solvent
solvent of SO parts
of xylene to
50
parts
diacetone alcohol
ZR,O
:Methyl ethyl ketone
/ O J 2 L'Laboratory number 11036
N.R.P.
133
Phenolic resin solution
: H esinox P-97
-
Epoxy resin solution
:SO):
solution of Epon
1001
in
amixed
solvent of
-50 pa-tsof xylene to
50
parts
diacetone alcollol
Solvent
:Methyl ethyl ketone
Baking schedule:
30
minutes at
350°F.
Laboratory number
11037
N.H.P,
135
Parts by ;,reight
Phenoli? resin solution
:Resinox P-97
50,OEpoxy resin aolution
~50;:
solution of Epon
1001 i n a mixed
solvent of 50 parts
of xylene to
50parts
of diacetone zlcohol
50,OBaking schedule:
30
minutes at
350'~.
Phenolic-Bpoxy Coatin8
Laboratory n'mber
11038
N.R.P.
136
Phenolic resin solution
:Resinox P-97
Epoxy resin solution
:50$ solution of
EponParts
bywei;;ht
1001 in
a mixed-
solvent of
50
>arts
of xglene to
50
parts
of diacetone alcohol
300.0
Baking schedule:
30
minutes at
350'~.
24-
Phenolic-Polyvinyl Butyral Coating
Laboratory number 11039
N.H.P.
137
Phenolic resin solution
:Resinox P-97
Parts
byweight
21,o
24. ( c o n t i n u e d ) P h e n o l i c - P o l y v i n y l E u t y r a l
--
Coat* P o l y v i n y l b u t y r a l r e s i n s o i u t i o n:lo;:
s o l u t i o n o f P a r t s-
L y wc:l&l P. Butval*L.-76
i n n - b u t a n 0 1 !j,Y4O P h e n o l i c - P o l y v i n y l G u t y r a l Coat* L a b o r a t o r y number 11040iJ.Fi.P. 1 3 8
-..F
Pnr ?-.--A by/----
mi& P h e n o l i c r e s i n s o l u t i o n : R e s i n ~ ~P-97
24 " 0 P o l y v i n y l b u t y r e l r e s f n s o l u t i o n :lo$ s o l u t i o n o f GutvarE-76
i n n-but a n 0 1t10,
0 Baking s c h e d u l e : 20 m i n u t e s a t 3 5 0 ' ~ . 26, P h e n o i i c - P o l y v i n y l-
B u t y r a l C o a t i n g L a b o r a t o r y number 1104.1 N.R.P.139
P h e n o l i c r e s i n s o l ~ t i o n :Hesinox P--97 P o l y v i n y l b u t y r a l r e s i n s o l u t i o n:lo:;
s o l u t i o n o f B u t v a rB-76 in
n-But a n 0 1 Baking s c h e d u l e : 20 m i n u t e s a t 350°i?, V i r m y l c h l ~ r i d e - , V i n y l A c e t a t e Copolymer C o a t i s---
L a b o r a t o r y number 11042 N.R.P.141
---. P a r t s by weigh2 V i n y l c h l o r i d e - v i n y l a c e t a t e copolymer :V.A.G,H, 3 6 , O S o l v e n t :Methyl e t h y l k e t o n e 79,O T h i s i s a n a i r - d r y i n g f o r m u l a t i o n .V i n y l C o a t i n g Lator.at o r g number
ll0!{4
T~'l.il.F. 1 L l=,
Viny 1 . c h l o r i i i e - v i n y l a c e t a t e copolyrner :V.Y.E.F. Yodif i e d v i n y l c h l o r i d e - v i n y l a c e t a t e copolymer :V.M.C.H. S o l v e n t : I l e t h y l e t h y l &retone P a r t s .-. 'by --.--- il:ei&_t, T h i s i s an 2 i r - d r y i l l g formflulation.29
V i n y l Chlor>ide-Vinyl .-- A c e t z t e Copoly-mer-
-.-.coati^^
P a r t s
-
by
---- wei& V i n j r l c h l o r i d e - v i n y l a c e t s t e copolymer:V.A.G.H.
7 @ 0 P l a s t i c i z e r : F l e x 0 1H-2H
S e O
S o l v e n t :Methyl e t l i y l k e t o n e 10,O T h i s i s a n a i r - d r y i n g f o r m u l a t i o n . V i n y l C h l o r i d e - V i n y l A c e t a t e Copolymer -C o a t i n 9 - a L a b o r a t o r y number1101~6
N.R.P.151
--
P a r t s by w e i g h t V i n y l c h l o r i d e - v i n y l a c e t a t e co3olymer :V.A.G.H.2L,Q
P l a s t i c i z e r : B a k e r ? s#16
P a l e Blown C a s t o r O i l g o G S o l v e n t :Methyl e t h y l k e t o n e 70.C310
V i n y l C h l o r i d e - y i n y l A c e t a t e Copolymer .-. Coatti!il; L a b o r a t o r y numbcr 1104.7 1S.E.P. 1 5 6 V i n y l c h l o r i d e - v i n y la c e t a t e copolymer :V.A.
G.H.
2rjOC;P l a s t i c i z e r :Baker 1 s 7716 P a l e Blown
C a s t o r O i l
36c
S o l v e n t :Methyl e t h y l k e t o n e 7 0 0 0 T h i s i s an a i r - d r y i n g f o r m u l a t i o nP a r t s -.-..- V i n y l c h l o r i d c - v i n y l a c e t a t e c o p o l y m e r n l