Thermoplastic ternary molding composition of polyurethane polyph

Details Thermoplastic ternary molding composition of polyurethane polyph Thermoplastic ternary molding composition of polyurethane polyph

1981-09-16

1982-09-21

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...

525403, 525413, 525439, 525538, C08L 7506, C08L 7528, C08L 6900, C08L 8502

Patent

active

043507999

ABSTRACT:
The invention is directed to a molding composition comprising an intimate, well dispersed blend of thermoplastic polyurethane, thermoplastic polyphosphonate and thermoplastic polycarbonate which composition is characterized by an improved level of flame resistance. A process for the preparation of said composition is also disclosed.

REFERENCES:
patent: 3214411 (1965-10-01), Saunders et al.
patent: 3214489 (1965-10-01), Park
patent: 3287442 (1966-11-01), Caldwell
patent: 3541183 (1970-11-01), Kallert
patent: 4034016 (1977-07-01), Baron
patent: 4067927 (1978-01-01), Weil
Chemical Abstracts, vol. 95:81795z, p. 20, 1981.

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