Contribution à l’étude de la polymérisation ionique dans des verres irradiés

Perec, L.

doi:10.1051/jcp/196966s21742

Cited by 9 publications

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“…Considerable interest has been shown in the radiation-induced polymerization of AN in a q u e o u~l -~ and nonaqueous media. [6][7][8][9] This article is an extension of our interest in self-colored polymers based on PANIOJ1 and on the alkali-induced degradation of the homopolymer. 12 We are equally concerned with the origin of color with degraded PAN, whether thermally or alkali induced,l3 though these findings will be presented in another publication.…”

Section: Introductionmentioning

confidence: 99%

Aspects of the kinetics of the radiation-induced polymerization of acrylonitrile in dimethylformamide

Batty¹,

Guthrie

1980

J. Appl. Polym. Sci.

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SynopsisThe radiation-induced homopolymerization of acrylonitrile (AN) in dimethylformamide (DMF) has been followed in detail over a range of monomer concentrations. In all cases a short induction period was observed which was equivalent to 1.6 X lo4 rad. The initial rates of polymerization for solutions of AN in DMF of mole fraction ( X ) of 0.33,0.20, and 0.10 are 1.44 X 7.23 X 10-6, and 2.79 X mole/dm3 rad, respectively. Deviations of the polymerization pathway from the standard unity in monomer dependence are examined in terms of radical production ratios to the monomer and the solvent ( +~/ + s ) and the polymer together with the solvent (+p/+.s), for various mole fractions of AN in DMF. Thus, an indirect route to Gradical (events) is provided together with the corresponding k;/k, values.

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