Hot-melt silicone pressure sensitive adhesive with siloxylated p

Details Hot-melt silicone pressure sensitive adhesive with siloxylated p Hot-melt silicone pressure sensitive adhesive with siloxylated p

1995-05-15

1997-08-19

Dean, Karen A.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524268, 524588, 424447, 424448, 424449, C08K 524, A61L 1516

Patent

active

056589751

ABSTRACT:
The instant invention pertains to a hot-melt pressure sensitive adhesive composition wherein the composition is comprised of a silicone pressure sensitive adhesive selected from the group consisting of a mixture of (i) a silicone resin and (ii) a silicone fluid and a condensed product of (i) and (ii); the silicone pressure sensitive adhesive exhibiting tackiness and adhesiveness; the silicone pressure sensitive adhesive being blended with (iii) from about 1 to 20 weight percent, based on the total weight of (i) and (ii), of a siloxylated polyether wax. The instant invention also encompasses method of using the composition, methods of making hot-melt silicone pressure sensitive adhesive-coated substrates, and devices made using the composition.

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K.L. Ulman & Chi-Long Lee, "Drug Permeability of Modified Silicone Polymers" Journal of Controlled Release, Apr. 5, 1989 pp. 273-281.

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