Adhesive composition

Details Adhesive composition Adhesive composition

1975-03-07

1977-02-22

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

O-containing organic compound

526281, C09K 300

Patent

active

040090442

ABSTRACT:
An adhesive composition containing monomeric .alpha.-cyan acrylates - alkyl -.alpha.-cyan acrylates having from 1 to 7 carbon atoms, and/or allyl-.alpha.-cyan acrylate, as well as a modifying additive comprising fluorinated methacrylate or fluorinated acrylate of the general formula ##STR1## wherein n=1-3, R is H, CH.sub.3, or CH.sub.2 --C-- COOH.sub.2 (CF.sub.2)n.sub.1 CF.sub.3, wherein n.sub.1 =1-2 and R has the abovementioned significances. Monomeric .alpha.-cyan acrylates are used in an amount of 70-90 w.% and the modifying additive in an amount of 10-30 w.%.
A strength of adhesive bond obtained using the adhesive compositions according to the invention attains 180-190 kp/cm.sup.2. The adhesive bond exhibits a considerable flexibility and hydrolytic stability.

REFERENCES:
patent: 2642416 (1953-06-01), Ahlbrecht
patent: 2763585 (1956-09-01), Coover et al.
patent: 2816093 (1957-12-01), Coover
patent: 3759264 (1973-09-01), Coover, Jr. et al.
"The Tensile Strength of Adhesive Joints Between Eye Tissue and Alloplastic Materials," RE FOJO, M. F. et al., American Jour. of Ophthalmology, vol. 68, No. 2, pp. 248-255, 1968, Aug.

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