Cyanoacrylate adhesive composition having sustained toughness

Details Cyanoacrylate adhesive composition having sustained toughness Cyanoacrylate adhesive composition having sustained toughness

1983-11-14

1985-12-24

Kight, John

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...

524470, 524375, 524369, 524259, 524 81, C08K 501, C08K 502, C08K 503

Patent

active

045607230

ABSTRACT:
Cyanoacrylate adhesive compositions containing (a) a toughener (e.g., a core-shell copolymer such as an MBS, ABS, or MABS copolymer), the toughener optionally being treated to remove impurities which cause premature polymerization of cyanoacrylates, and (b) cyanoacrylate-compatible, toughener-compatible sustainer (e.g., an organic compound containing one or more unsubstituted or substituted aryl groups, such as diphenylmethane or dichlorobenzene). The inclusion of sustainer provides improved retention of toughness after heat aging of cured bonds of the adhesive.

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