Adhesive beads

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525221, 525228, 525227, 525225, 525218, 525201, 525205, 525212, 525302, 525309, 525296, 525274, 525283, 525291, C08F26502, C08F26304, C08F26504, C08L 3302

Patent

active

056250061

ABSTRACT:
Adhesive beads comprise a core comprising a pressure sensitive adhesive material and an essentially discontinuous organic polymer disposed about the core. The beads are free-flowing at room temperature. Upon application of heat and/or pressure the core is activated and blends with the coating to provide a pressure sensitive adhesive.

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patent: 4421901 (1983-12-01), Lindner et al.
patent: 4456734 (1984-06-01), Lindner et al.
patent: 4833179 (1989-05-01), Young et al.
patent: 4851278 (1989-07-01), Enanoza
patent: 4952650 (1990-08-01), Young et al.

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