Isocyanate resin compositions and hot melt and pressure sensitiv

Details Isocyanate resin compositions and hot melt and pressure sensitiv Isocyanate resin compositions and hot melt and pressure sensitiv

1993-01-15

1995-05-23

Seidleck, James J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 77, 525 78, 525 80, 525 79, 525293, C08L 5100, C08L 5300

Patent

active

054182883

ABSTRACT:
There is disclosed a resin composition containing graft copolymer having at least one isocyanate group and 10,000 to 20,000 of number-average molecular weight or high-molecular-weight polymer having at least one isocyanate group and 10,000 to 200,000 of number-average molecular weight, and low-molecular-weight polymer having or not having an isocyanate group and 500 to 8,000 of number-average molecular weight is disclosed. This resin composition has tackiness at ordinary temperature, and long pot life. It can be used to reactive hot melt type adhesives (which can omit hot press process), reactive hot melt type pressure-sensitive adhesives, or coating material.

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