Flame retardant compositions and method of use

Details Flame retardant compositions and method of use Flame retardant compositions and method of use

1991-03-01

1992-06-30

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524117, 524119, 524131, 2524002, 25240022, 252609, C08J 524, C08K 549, C08L 8502

Patent

active

051263874

ABSTRACT:
A flame retardant composition comprises at least one cyclic phosphonate ester and at least one phosphono amide. The ester and the amide are present in a ratio by weight of 0.1 to 2:1. A co-curing agent (e.g. urea, ethylene urea or an amino-triazine) may be included. The composition may also contain a non-rewetting agent and/or a softening or conditioning agent. The composition is used for the flame retardant treatment of a fabric by first impregnating the fabric with an aqueous solution of the composition and then heating the impregnated fabric at at least 100.degree. C. and under acid pH conditions.

REFERENCES:
patent: 3969437 (1976-07-01), Shim
patent: 4748705 (1988-06-01), Johnson et al.

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