Pressure sensitive adhesives

Details Pressure sensitive adhesives Pressure sensitive adhesives

1980-07-14

1982-01-19

Ives, P.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428462, 428463, 428518, 156334, 156327, C09J 702, C08F 250

Patent

active

043117597

ABSTRACT:
A pressure sensitive adhesive is formed from a composition comprising mono-functional unsaturated acrylate ester monomer, essentially saturated tackifying resin polymer dissolved in the acrylate ester, non-crystallizing elastomeric material also dissolved in the acrylate ester, and an initiator responsive to ultraviolet light or other penetrating radiation such as electron beam, gamma or X-ray radiation. The composition is cured by subjection to ultraviolet light or other radiation, which causes the initiator to induce polymerization of both the acrylate ester and the non-crystallizing elastomeric material, apparently with co-polymerization therebetween.

REFERENCES:
patent: 3897295 (1975-07-01), Duwbenko et al.
patent: 3929938 (1975-12-01), White et al.
patent: 4058443 (1977-11-01), Murata et al.
patent: 4243500 (1981-01-01), Glennon

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