Compatible polyurethane blends

Details Compatible polyurethane blends Compatible polyurethane blends

1979-08-15

1981-02-17

Lieberman, Paul

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

Synthetic resins

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

525 71, 525 92, C08L 5502, C08L 7500, C08L 5302

Patent

active

042516420

ABSTRACT:
A blend of certain polyurethanes with a block copolymer of styrene and certain conjugated diolefins and a graft copolymer of styrene, acrylonitrile and butadiene. Methyl methacrylate may be substituted for all or a portion of the acrylonitrile. The blend retains the good properties of the individual polymers and is otherwise characterized by a stable compatibility.

REFERENCES:
patent: 3049505 (1962-08-01), Grabowski
patent: 3562355 (1971-02-01), Holden
patent: 3970717 (1976-07-01), Muller
patent: 4007311 (1977-02-01), Harlan
patent: 4022745 (1977-05-01), Schoen
patent: 4048255 (1977-09-01), Hillier
patent: 4179479 (1979-12-01), Carter

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