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Crosslinking of cis-1,4-polyisoprene rubber by electron beam irradiation

✍ Scribed by Yunshu Xu; Heri Siswono; Fumio Yoshii; Keizo Makuuchi

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
102 KB
Volume
66
Category
Article
ISSN
0021-8995

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✦ Synopsis

Various unsaturated polyfunctional monomers were kneaded into cis-1,4polyisoprene containing fillers under 80ЊC and then irradiated using an electron beam accelerator to prepare vulcanized rubber with good quality. Results showed that 2G (diethyleneglycol dimethacrylate) is the best sensitizer. The optimal tensile strength of vulcanized IR was obtained by using 14 phr 2G and irradiated to 180 kGy. Compared with the sulfur vulcanizate, greater values of tensile strength, elongation at break, and 100% stress were found with the radiation-cured IR. Their Young's modulus and tan d were similar.

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