Aqueous hydroxyl-acrylic latex and multi-isocyanate adhesive com

Details Aqueous hydroxyl-acrylic latex and multi-isocyanate adhesive com Aqueous hydroxyl-acrylic latex and multi-isocyanate adhesive com

1983-09-29

1985-01-01

Ivy, C. Warren

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...

4284251, 524517, 524523, 525123, C08L 3502, C08G 1862, C09J 316

Patent

active

044916469

ABSTRACT:
Disclosed is an improved aqueous latex adhesive composition of the type having an aqueous latex in admixture with an organic solvent-dispersed multi-isocyanate cross-linking agent and a thickener. The improvement for a room temperature curable adhesive composition having improved water resistance comprises the curable ingredients consisting essentially of an aqueous hydroxyl functional acrylic latex which contains hydroxyl groups as its only isocyanate reactive functionality and the multi-isocyanate cross-linking agent. Desirably, fillers incorporated into the adhesive composition are formed into a filler grind prior to incorporation into the adhesive composition. The adhesive composition is especially useful as a structural adhesive in structural lamination manufacture.

REFERENCES:
patent: 3632789 (1972-01-01), Wilhelm
patent: 3931088 (1976-01-01), Sakurada et al.
patent: 4215023 (1980-07-01), Strolle
patent: 4268641 (1981-05-01), Koenig et al.
"Characteristics of Fine Particles", Chemical Engineering, p. 207, Jun. 11, 1962.

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