Intermediate softening point resin-based hot melt PSAs

Details Intermediate softening point resin-based hot melt PSAs Intermediate softening point resin-based hot melt PSAs

2006-07-25

2010-12-07

Choi, Ling-Siu (Department: 1796)

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...

C524S274000

Reexamination Certificate

active

07847011

ABSTRACT:
A rosin based intermediate softening point (ISPR) tackifier has a ring and ball softening point of from 35 to 60° C. A hot-melt pressure-sensitive adhesive (HMPSA) composition contains an elastomeric component, such as a blend of SIS and SB block copolymers, and a tackifying component comprising one or more rosin based ISPRs having a ring and ball softening point of from 35 to 60° C.

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International Search Report for corresponding PCT/US2006/028781 mailed Nov. 16, 2006.

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