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SILICONE PRESSURE SENSITIVE ADHESIVE AND ARTICLES

  • US 20080268242A1
  • Filed: 06/30/2008
  • Published: 10/30/2008
  • Est. Priority Date: 12/22/2003
  • Status: Active Grant
First Claim
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1. A pressure sensitive adhesive composition comprising an unreactive mixture ofabout 10 wt-% to about 20 wt-% of a polydiorganosiloxane polyurea copolymer;

  • 30 wt-% to 50 wt-% of a diluent, wherein the diluent has a number average molecular weight of no more than about 30,000 g/mole; and

    greater than 30 wt-% to less than 60 wt-% of silicate tackifying resin;

    wherein the adhesive exhibits a 180°

    peel adhesion force from polypropylene of less than 500 g/linear inch at a rate of 90 inches per minute.

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