Char-forming thermoplastic compositions

Details Char-forming thermoplastic compositions Char-forming thermoplastic compositions

1981-12-28

1982-11-23

Foelak, Morton

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524158, 525261, 525311, 525312, C09K 328

Patent

active

043606091

ABSTRACT:
The char-forming characteristics of vinyl aromatic polymers are improved by the incorporation therein of (1) active allyl and/or benzyl carbon moieties and (2) an arylsulfonate ester. In an example, a styrenic polymer comprising polyvinylbenzylacetate is given increased char-forming ability by the presence of pentaerythritol parabromobenzenesulfonate.

REFERENCES:
patent: 4038245 (1977-07-01), Reineke
patent: 4125555 (1978-11-01), Reineke
patent: 4224217 (1980-09-01), Dennis et al.
patent: 4294785 (1981-10-01), Patton

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