Invention Grant
US08735462B2 Radical-polymerizable resin, radical-polymerizable resin composition, and cured material thereof 有权
可自由基聚合树脂,自由基聚合性树脂组合物及其固化物

Radical-polymerizable resin, radical-polymerizable resin composition, and cured material thereof
Abstract:
Provided is a radical-polymerizable resin capable of giving a cured material which is satisfactorily flexible, can relax stress upon usage as an adhesive, and does not cause disadvantages such as separation at the adhesive interface or breakage of an adherend, which stress occurs between the adhesive and the adherend upon heating or cooling and is caused by difference in coefficient of thermal expansion between them.The radical-polymerizable resin is obtained through cationic polymerization of a compound represented by any of following Formulae (1a) and (1b) and a compound represented by any of following Formulae (2a), (2b), (2c), (2d), (2e), and (2f). The radical-polymerizable resin is liquid at 0 ° C. and has a weight-average molecular weight of 500 or more. Symbols in the formulae are as defined in the description.
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