Flame retardant polymer composition containing phosphonic acid s

Details Flame retardant polymer composition containing phosphonic acid s Flame retardant polymer composition containing phosphonic acid s

1989-09-08

1990-11-20

Morgan, Kriellion

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524131, C08K 553

Patent

active

049720112

ABSTRACT:
Compositions comprising a halogen-free polymer and, as flame retardant, at least one aluminum salt of a phosphonic acid of the formula: ##STR1## in which R is a straight or branched chain alkyl group having 1 to 3 carbon atoms optionally substituted by one or more of halogen atoms or hydroxyl groups and R' is hydrogen or an alkyl group having 1 to 3 carbon atoms.

REFERENCES:
patent: 3894986 (1975-07-01), Racky et al.
patent: 4113841 (1978-09-01), Staendeke et al.
patent: 4383066 (1983-05-01), Sugio et al.

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