Pressure-sensitive adhesive tape

Details Pressure-sensitive adhesive tape Pressure-sensitive adhesive tape

1992-07-21

1994-06-07

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283173, 428355, 525100, 525101, B32B 712, C08F 800

Patent

active

053188357

ABSTRACT:
Disclosed is a pressure-sensitive adhesive tape comprising: a sheet backing composed of polybutadiene foam having a substantially closed cell foam structure; and a layer of pressure-sensitive adhesive composition provided on a surface of the sheet backing. The pressure-sensitive adhesive composition in the present invention comprises: (A) an acrylic copolymer prepared from a mixuture composing: (i) at least one acrylic ester monomer having an alkyl radical containing, on average, 4 to 12 carbon atoms as an alcohol residue; and (ii) polymerizable unsaturated carboxylic acid monomer; (B) a polymer having a hydrolyzable silicon-containing radical; and (C) a polyfunctional isocyanate compound. The adhesive composition of the present invention needs no silanol condensation catalyst.

REFERENCES:
patent: 4397906 (1983-08-01), Nakagawa et al.
patent: 4463115 (1984-07-01), Hirose et al.
patent: 4593068 (1986-06-01), Hirose et al.
patent: 4735829 (1988-04-01), Hirose et al.
patent: 4965127 (1990-10-01), Ebe et al.
patent: 4968559 (1990-11-01), Kuroda et al.
patent: 4975488 (1990-12-01), Furukawa et al.
patent: 4997656 (1991-03-01), Shikinami et al.

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