Method for preparing a pressure sensitive adhesive...

Details Method for preparing a pressure sensitive adhesive... Method for preparing a pressure sensitive adhesive...

2006-01-03

2006-01-03

Nutter, Nathan M. (Department: 1711)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S232000, C156S324000, C156S327000

Reexamination Certificate

active

06982300

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.

REFERENCES:
patent: 6407170 (2002-06-01), Johnson et al.
patent: 6683138 (2004-01-01), Baxter, Jr. et al.
patent: 6815504 (2004-11-01), Gipson
patent: WO 02/100153 (2002-12-01), None

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