Cross-linked foamed pressure sensitive adhesive and method...

Details Cross-linked foamed pressure sensitive adhesive and method... Cross-linked foamed pressure sensitive adhesive and method...

2001-08-29

2009-11-03

Cooney, John (Department: 1796)

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

Synthetic resins

Cellular products or processes of preparing a cellular...

C521S079000, C521S099000, C521S128000, C428S304400, C428S317700

Reexamination Certificate

active

07612121

ABSTRACT:
A cross-linked foamed pressure sensitive adhesive having excellent stress relaxing property, restoration property and solvent resistance brought forth by uniform and sufficient cross-linking and foaming irrespective of transmissibility of ultraviolet rays and electron beams to components, and free from drawbacks inherent to low molecular weight acrylic copolymers. A cross-linked foamed pressure sensitive adhesive having restoration property, prepared by heating a heat cross-linkable and heat foamable composition containing a tacky polymer having a molecular weight of at least 100,000, a heat cross-linking agent and a heat foaming agent to cause cross-linking and foaming.

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patent: WO 00/06637 (2000-02-01), None

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