Pressure-sensitive adhesives

Details Pressure-sensitive adhesives Pressure-sensitive adhesives

C - Chemistry, Metallurgy

09

J

C09J 4/00 (2006.01) C09J 4/06 (2006.01) C09J 7/02 (2006.01) C09J 183/04 (2006.01)

Patent

CA 2103359

2103359 9220751 PCTABS00017 The present invention provides a silicone/acrylic based pressure-sensitive adhesive composition, adhesive, and adhesive tapes prepared therefrom. The adhesive composition comprises: (a) from about 5 parts to about 95 parts by weight of acrylic monomer wherein the acrylic monomer comprises: (i) from about 50 to about 100 parts by weight of alkyl acrylate monomer, the alkyl groups of which have an average of 4 to 12 carbon atoms; and (ii) correspondingly from about 50 parts to about 0 parts by weight of a monoethylenically unsaturated copolymerizable modifier monomer; wherein the amounts of (i) and (ii) are selected such that the total amount of (i) plus (ii) equals 100 parts by weight of the acrylic monomer; (b) correspondingly from about 95 parts to about 5 parts by weight of silicone pressure-sensitive adhesive wherein the amounts of (a) and (b) are selected such that the total amount of (a) plus (b) equals 100 parts by weight; (c) about 0 part to about 5 parts by weight of a photoinitiator based upon 100 parts by weight of the acrylic monomer; and (d) about 0 to about 5 parts by weight of a crosslinker based upon 100 parts by weight of (a) plus (b).

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