Storage stable, thermofusible, thermosetting adhesive paste

Details Storage stable, thermofusible, thermosetting adhesive paste Storage stable, thermofusible, thermosetting adhesive paste

2007-06-26

2007-06-26

Yao, Sam Chuan (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S331700, C528S045000, C528S052000, C528S053000

Reexamination Certificate

active

10437545

ABSTRACT:
A storage stable adhesive paste composition is described. It contains a plurality of first solid particles comprising a surface protected polyisocyanate and a plurality of second solid particles of polymer having functional groups that react with the polyisocyanate. The particles may be protected by encapsulation in a layer of a material that is not reactive to the polyisocyanate. Preferably, the protective layer also is not reactive to the polymer having functional groups that react with the polyisocyanate. The polyisocyanate particles also can be protected by a layer formed by chemically reacting said polyisocyanate particles with isocyanate reactive compounds to form a protective surface layer around said polyisocyanate particles.

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Search Report Under Section 17.

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