Pressure-sensitive adhesive based on ethylenically-unsaturated .

Details Pressure-sensitive adhesive based on ethylenically-unsaturated . Pressure-sensitive adhesive based on ethylenically-unsaturated .

1993-01-26

1993-11-30

Lipman, Bernard

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428352, 428354, 428511, 428512, 428515, 428517, 428521, B32B 712

Patent

active

052663990

ABSTRACT:
A pressure-sensitive adhesive that can adhere aggressively to both polar and nonpolar substrates and has good internal strength at high temperatures is provided by heat or radiation curing a blend of an ethylenically-unsaturated .alpha.-olefin polymer, a crosslinker having at least 2 hydrosilyl groups, and a hydrosilation catalyst. A preferred hydrosilane crosslinker has the formula ##STR1## wherein R is an alkyl group having 1-6 carbon atoms, and n' is a number in the range of 2 to 35.

REFERENCES:
patent: 3542717 (1970-11-01), Lipman
patent: 3635755 (1972-01-01), Balinth et al.
patent: 3954697 (1976-05-01), McConnell et al.
patent: 4178272 (1979-12-01), Meyer et al.
patent: 4288358 (1981-09-01), Trotter et al.
patent: 4346189 (1982-08-01), Laurent
patent: 4831080 (1989-05-01), Blizzard et al.
patent: 5112882 (1992-05-01), Babu et al.

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