Toughened cyanoacrylates containing elastomeric rubbers

Details Toughened cyanoacrylates containing elastomeric rubbers Toughened cyanoacrylates containing elastomeric rubbers

1982-01-18

1984-04-03

Seccuro, Carman J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525244, 525256, 525259, 525261, 525266, 525276, 524533, 524850, C08L 2308, C08L 5106, C08L 3504

Patent

active

044409109

ABSTRACT:
Disclosed are cyanoacrylate adhesive compositions containing elastomeric polymers as fillers. Preferred fillers are the acrylic rubbers. Filler concentration range from about 0.5-40% by weight of the composition. Beneficial results include improved toughness of the cured compositions, as measured by impact, peel and tensile strength properties, particularly after exposure elevated temperatures which would ordinarily severely degrade the adhesive strength.

REFERENCES:
patent: 2794788 (1957-06-01), Coover et al.
patent: 3507822 (1970-04-01), Miyami
patent: 4038345 (1977-07-01), O'Sullivan et al.
patent: 4042442 (1977-08-01), Dombroski et al.
patent: 4102945 (1978-07-01), Gleave
patent: 4196271 (1980-04-01), Yamada et al.
patent: 4313004 (1982-01-01), Kluger et al.
"Cyanoacrylate Adhesives" Coover et al., B. Adhesives Materials pp. 569-579.

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