Flame retardant polymethyl methacrylate molding compound

Details Flame retardant polymethyl methacrylate molding compound Flame retardant polymethyl methacrylate molding compound

1984-03-19

1986-04-29

Kight, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524125, 524126, 524130, 524144, 524151, 524351, 524352, 524100, C08K 550, C08K 552, C08K 320, C08K 534

Patent

active

045858187

ABSTRACT:
Flame retardant molding compounds comprising polymers of methyl methacrylate having an average molecular weight between 1.times.10.sup.5 and 2.times.10.sup.5, which molding compounds contain from 8 to 15 weight percent of at least one chloroalkylphosphoric acid ester of the formula ##STR1## wherein R.sub.1 is alkyl or ##STR2## and R.sub.2 is hydrogen, methyl, ethyl, or chloro-substituted methyl or ethyl.

REFERENCES:
patent: 2877204 (1959-03-01), Duhnkrack et al.
patent: 3347818 (1967-10-01), Howe
patent: 4046719 (1977-09-01), Stangback et al.
patent: 4075163 (1978-02-01), Hofer et al.
patent: 4180498 (1979-12-01), Spirack

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