Pressure-sensitive adhesive based on ethylenically-unsaturated .

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

1990-10-30

1993-03-16

Lipman, Bernard

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

Synthetic resins

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

524506, 525105, C09J14700

Patent

active

051945010

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.
Assignee's copending application Ser. No. 07/585,227, filed Sep. 19, 1990.
Assignee's copending application Ser. No. 07/403,662, filed Sep. 6, 1989.
Assignee's copending application Ser. No. 07/614,251, filed Nov. 15, 1990.
Assignee's copending application Ser. No. 07/799,118, filed Nov. 27, 1991.
Assignee's copending application Ser. No. 07/812,280, filed Dec. 23, 1991.

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