Method for preparing a pressure sensitive adhesive formulation including an enhanced polyisobutylene modifier
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United States of America Patent
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Jan 3, 2006
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N/A
app pub date -
Jul 19, 2004
filing date -
Feb 4, 2003
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Expired
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Abstract
A method for preparing an improved pressure sensitive adhesive includes incorporating into a base polymer, an PIB modifier that is made up of a homopolymer of isobutylene wherein a predominant portion of the double bonds are in either an alpha position or a beta position. The modifier may function as a plasticizer, a tackifier extender or a combination plasticizer and tackifier extender for the pressure sensitive adhesive.
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