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Telechelic polymers

Small-angle X-ray scattering and small-angle neutron scattering studies of liquid-crystalline halato(semi)telechelic polymers

Small-angle X-ray scattering and small-angle neutron scattering studies of liquid-crystalline halato(semi)telechelic polymers

... halato(semi)telechelic polymers [LC H(S)TPs] A combination of small-angle X-ray scattering and small-angle neutron scattering studies on these LC H(S)TPs clearly shows the usual ionic peak related to ...

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Mono-telechelic polymers by catalytic living ring-opening metathesis polymerization with second-generation Hoveyda–Grubbs catalyst

Mono-telechelic polymers by catalytic living ring-opening metathesis polymerization with second-generation Hoveyda–Grubbs catalyst

... monomers sequentially. Different end-group-functionalized mono- telechelic polymers are also accessible via a terminal cross metathesis reaction. These results will further expand the applications of ...

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Shear thickening of halato-telechelic polymers in apolar solvents

Shear thickening of halato-telechelic polymers in apolar solvents

... Short-length polymers selectively end-capped with a metal carboxylato group at both ends, ...carboxylato-telechelic polymers, exhibit an unusual shear-thickening behaviour in apolar solvents, ...

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Mono-telechelic polymers by catalytic living ring-opening metathesis polymerization with second-generation Hoveyda–Grubbs catalyst

Mono-telechelic polymers by catalytic living ring-opening metathesis polymerization with second-generation Hoveyda–Grubbs catalyst

... 3 a 10 5578 5500 1.29 5.0 95 4 a 10 5579 6800 1.27 5.0 97 a (E)-3-(2-cyclopentylvinyl)cyclopent-1-ene (CTA2) was used as CTA instead of (E)-3-(2- cyclopropylvinyl)cyclopent-1-ene (CTA1) to increase the steric hindrance ...

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Thermally stimulated currents studies in blends of immiscible telechelic polymers

Thermally stimulated currents studies in blends of immiscible telechelic polymers

... The same trend is observed in our blend,the only exception being the blend containing the highest molecular weight PIP(COOH)2 (Figure ll).To explain such exception,i[r] ...

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Viscoelastic properties of immiscible telechelic polymer blends : effect of acid-base interactions

Viscoelastic properties of immiscible telechelic polymer blends : effect of acid-base interactions

... explain the discrepancy in Tg values determined by DSC and dynamic mechanical measurements. When the high- temperature pretreatment is not applied, data provided by the two methods are consistent.41 The G' and G" ...

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Configurations of polymers attached to probes

Configurations of polymers attached to probes

... tween polymers in the N → ∞ limit, and thermodynamic systems approaching the critical point of a phase transi- tion [6,7], and is exploited in renormalization group treat- ments of polymers ...

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Computational insights into multivalently binding polymers

Computational insights into multivalently binding polymers

... our polymers and targets to serve two ...biological polymers can be very large (megadaltons in the case of mucins) with binding targets being full folded ...or polymers interacting ...our ...

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Photostabilisation mechanisms in polymers : A review

Photostabilisation mechanisms in polymers : A review

... In fact, the presence of O 2 enhances bond scission for both polymers, presumably by reacting with radicals, and preventing backbone 'healing' by radical-radical reactions (for ex[r] ...

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CO₂-assisted melting of semicrystalline polymers

CO₂-assisted melting of semicrystalline polymers

... T m - p behavior. This leads to the rather different T m - p profiles for the two polymers although their T g - p profiles are the same. It should be noted that CO 2 not only shifts the melting peak temperature ...

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Thermal decomposition of radio-oxidized polymers

Thermal decomposition of radio-oxidized polymers

... The purpose of this work is to present the results of a multi-year study performed on four polymers (polyethylene, cellulose, polyurethane, polyvinyl chloride). The effect of dose, atmosphere and degradation ...

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Rheology of polymers with nano-fillers

Rheology of polymers with nano-fillers

... / La version de cette publication peut être l’une des suivantes : la version prépublication de l’auteur, la version acceptée du manuscrit ou la version de l’éditeur. Access and use of [r] ...

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Enhancement of mixing by rodlike polymers

Enhancement of mixing by rodlike polymers

... rodlike polymers to a low-Reynolds- number Newtonian fluid generates a chaotic flow, simi- larly to the elastic turbulence regime observed in extensi- ble polymers ...

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Covalently Trapped Triarylamine‐Based Supramolecular Polymers

Covalently Trapped Triarylamine‐Based Supramolecular Polymers

... supramolecular polymers – as for instance well illustrated to provide self-healing properties – by showing how their dynamics can be instrumental in improving some of their functional properties, including within ...

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Can Life Emerge from Synthetic Polymers?

Can Life Emerge from Synthetic Polymers?

... 8. Scientific and philosophical outlook As discussed in the present text and in an earlier essay, [9] Humans are polymer-operated thinking species that have emerged through many years of Darwinian natural selection. ...

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ROMP synthesis of iron-containing organometallic polymers

ROMP synthesis of iron-containing organometallic polymers

... a tremendous progress in synthetic organic and polymer chemistry [ 48 ]. Spurred by these advances, ring-opening metathesis polymerization (ROMP) became a well-accepted synthetic tool for preparing metal-tagged ...

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Topological Impact on Kinetic Stability of Supramolecular Polymers

Topological Impact on Kinetic Stability of Supramolecular Polymers

... Polymers Capable of Controlling Their Topology. Acc. Chem. Res. 2019, DOI: 10.1021/acs.accounts.8b00660. (6) (a) Yagai, S.; Goto, Y.; Lin, X.; Karatsu, T.; Kitamura, A.; Kuzuhara, D.; Yamada, H.; Kikkawa, Y.; ...

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Dynamics of Polymers: a Mean-Field Theory

Dynamics of Polymers: a Mean-Field Theory

... systems of long polymers, whereby efficient simulations could be conducted of sufficient accuracy. To the extent that M S is less than M, there would be a proportional reduction in computational effort compared ...

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Plasma oxidation of polyhedral oligomeric silsesquioxane polymers

Plasma oxidation of polyhedral oligomeric silsesquioxane polymers

... voltage, we obtain a quasilinear evolution at every moment 关Fig. 3共a兲兴. This result shows that all these materials, despite their different chemical compositions, are governed broadly by identical etching mechanisms, in ...

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Electrooptic microwave antenna using organic poled polymers

Electrooptic microwave antenna using organic poled polymers

... The purpose of the microwave characterization is to know the value of the relative dielectric constant of electrooptics polymers. However, this kind of material can be only deposited in thin layer in the range of ...

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