Flame retardant polyurethane containing alkyl bis(3-hydroxypropy

Details Flame retardant polyurethane containing alkyl bis(3-hydroxypropy Flame retardant polyurethane containing alkyl bis(3-hydroxypropy

1981-07-22

1982-08-10

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

528 72, C08G 1814

Patent

active

043439144

ABSTRACT:
Polyurethane compositions are rendered fire retardant by substitution for some of the polyol normally present in the reaction mixture, an effective amount of a 3-hydroxypropyl phosphine oxide such as sec-butyl bis(3-hydroxypropyl) phosphine oxide.

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