Polycarbonate/polyphosphonate thermoplastic composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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260DIG24, 264349, C08L 6900

Patent

active

043329217

ABSTRACT:
The invention is directed to compositions comprising halogen-free aromatic polycarbonates and halogen-free aromatic polyphosphonates suitable for producing films of improved flame resistance and to processes for their preparation.

REFERENCES:
patent: 3719727 (1973-03-01), Masai et al.
patent: 3932566 (1976-01-01), Reader
patent: 4078016 (1978-03-01), Kramer
patent: 4093582 (1978-06-01), Mark et al.
Polyesters, by I. Goodman and J. A. Rhys, London, ILLIFFE Books, Ltd., p. 3.
The Development and Use of Polyester Products, by E. N. Doyle, McGraw-Hill Book Company, p. 3.

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