Curable composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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525403, 525409, 528 25, C08G 6532, C08L 7102, C08L 8310

Patent

active

052867803

ABSTRACT:
A curable composition is disclosed, including (A) an oxypropylene polymer having a narrow molecular weight distribution which does not have any branched chain, is linear and has at least one reactive silicon atom-containing group; and (B) an oxypropylene polymer having a narrow molecular weight distribution which has at least one branched chain and at least one reactive silicon atom-containing group. Cured articles obtained from the curable composition have a tear strength which is unexpectedly higher than the tear strength of the cured article of the component (A) alone or the component (B) alone.

REFERENCES:
patent: 4906707 (1990-03-01), Yukimoto et al.
Chemical Patents Index, Documentation Abstracts Journal, Sect. Ch, Week 9144, Jan. 8, 1992, AN 91-325188/44 & WO-A-9 115 536, Oct. 1991, Abstract.

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