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Nonrandom radiation crosslinking of SBS triblock copolymer

✍ Scribed by Yang Huai; Zhao Zhudi; Chen Xinfang; Luo Yunxia; Li Shuhua; Xu Jun

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
434 KB
Volume
41
Category
Article
ISSN
0969-806X

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✦ Synopsis

Triblock copolymers, SBS (S = styrene, B = butadiene), containing 34.1 and 52.5% styrene, respectively, have been studied with respect to the extent of crosslinking produced by irradiation with 60Co-rays. By investigating the variation of their glass transition temperatures with dose, we demonstrated that styrene, 1,4-butadiene and 1,2-butadiene segments have different crosslinking efficiency. Then from the method of probability, we derived the relationship,

and discussed the variation of sol content with dose.

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