Halogen-free flameproofed thermoplastic molding materials based

Details Halogen-free flameproofed thermoplastic molding materials based Halogen-free flameproofed thermoplastic molding materials based

1994-02-28

1995-08-22

Hamilton, III, Thomas

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

Synthetic resins

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

525150, 525209, 526274, 526276, 526277, 526278, C08F 3002, C08F23002, C08L 4302, C08L 7112

Patent

active

054441234

ABSTRACT:
Halogen-free flameproofed thermoplastic molding materials based on polyphenylene ethers and polystyrene containing, as essential components,
A) from 5 to 92% by weight of one or more polyphenylene ethers,
B) from 5 to 92% by weight of a vinylaromatic polymer and
C) from 3 to 25% by weight of a flameproofing agent based on
C1) from 20 to 100% by weight (based on the total amount of C) of a polymeric phosphorus compound which is obtained by polymerizing or copolymerizing one or more compounds of the following structure: ##STR1## where ##STR2## R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.10 and R.sup.11 are each hydrogen, alkyl, cycloalkyl, aralkyl or aryl,

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patent: 5116882 (1992-05-01), Grey et al.
patent: 5232816 (1993-08-01), Seio et al.

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