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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 16, Number 1
JKCSEZ 16(1)
February 20, 1972

Title	Mechanical Degradation of Polymers in Dilute Solution. The Influence of the Mixed Solvents Ⅱ 희박용액에서의 Polymer의 기계적 절단. 혼합용매의 영향 Ⅱ.
Author	Yeongmoo Won 원영무
Keywords
Abstract	The mechanical degradation of poly(α-methyl styrene) in several mixed solvents (chlorobenzene-n-butyl alcohol, chlorobenzene-sec-butyl alcohol, chlorobenzene-Kerosene, chlorobenzene-methylketone) was studied using the capillary flow method. The velocity constant of scission reaction (K) and the limited degree of polymerization (g) were compared at the same value of [η], which is considered as the parameter of molecular dimension of polymers in solution. As results, (K) did not change much, even if the species and the volume fraction of poor(non-) solvents changed, while the value of (g) changed according to the species of poor (non-) solvents and the value of [η] these results were discussed.
Page	50 - 55
Full Text	PDF

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