Amphiphilic polymers and method of making said polymers

Details Amphiphilic polymers and method of making said polymers Amphiphilic polymers and method of making said polymers

1985-02-05

1989-12-19

Marquis, Melvyn I.

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

Synthetic resins

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

525130, 528 75, C08F 800

Patent

active

048883891

ABSTRACT:
Amphiphilic polymers having poly A segments of wide molecular weights, viz., about 2,000 to 50,000, and poly B segments of wide molecular weight of a few hundred to 13,000 or more can be made by reacting without regard to sequence, isocyanate with either a poly A segment or a poly B segment to give an adduct containing free NCO groups on each segment and then react the adduct with the other segment.

REFERENCES:
patent: 4057598 (1977-11-01), Lundberg et al.
patent: 4276394 (1981-06-01), Kennedy et al.
patent: 4396053 (1983-08-01), Davis et al.

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