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Crosslinking and mechanical property of liquid rubber. III. Curative effect of aralkyl and alicyclic diols
Author(s) -
Minoura Yuji,
Yamashita Shinzo,
Okamoto Hiroshi,
Matsuo Tadao,
Izawa Michiaki,
Kohmoto ShunIchi
Publication year - 1979
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1979.070230418
Subject(s) - alicyclic compound , polybutadiene , elastomer , natural rubber , melting point , materials science , isobutylene , polymer science , polymer chemistry , chemical engineering , organic chemistry , chemistry , composite material , copolymer , polymer , engineering
This is the third report on the relationship between the properties and the structure of polyurethane elastomers derived from hydroxyl‐terminated liquid polybutadiene (HT‐BD). The curative effect of low molecular weight diols was investigated. Previously it was found that the use of aromatic diols presented a processing problem because of its high melting point. To solve this problem, the use of aralkyl diols and alicyclic diols was examined in this paper. The processability was significantly improved by the use of these diols, and the elastomers obtained retained considerably high mechanical properties.