Copolymerizable molding compositions based on unsaturated polyur

Details Copolymerizable molding compositions based on unsaturated polyur Copolymerizable molding compositions based on unsaturated polyur

1978-12-15

1980-09-16

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 66, 525490, 525455, 525920, C08L 7500

Patent

active

042230993

ABSTRACT:
Molding compositions comprising a "terminally unsaturated"polyurethane, a copolymerizable vinyl or vinylidene compound and a rubbery-elastic polymer having a glass transition temperature of between -90.degree. and +10.degree. C. can be used for the preparation of molded articles having a considerably increased impact strength and a good heat distortion temperature, strength and rigidity.

REFERENCES:
patent: 3641199 (1972-02-01), Niederhauser
patent: 3677920 (1972-07-01), Kai
patent: 3678014 (1972-07-01), Suzuki
patent: 3873640 (1975-03-01), Owston
patent: 4018851 (1977-04-01), Baccei

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