Production of polyurethane foam of reduced tendency to form embe

Details Production of polyurethane foam of reduced tendency to form embe Production of polyurethane foam of reduced tendency to form embe

1977-10-19

1979-02-13

Rzucidlo, Eugene C.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

260 458NT, 521166, 521115, 521118, C08G 1832

Patent

active

041395018

ABSTRACT:
Flexible polyurethane foam having reduced tendency to form burning embers when it is ignited and burned is provided by incorporating into the reaction mixture before foaming a derivative of melamine wherein one or more hydrogens have been replaced by hydroxymethyl and/or lower alkoxymethyl groups.
In one embodiment, flexible polyurethane foams of increased flame retardance are also provided, by also incorporating a halogenated phosphorus ester into the reaction mixture before foaming.

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patent: 3891578 (1975-06-01), Kan et al.
patent: 3897372 (1975-07-01), Kehr et al.

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