Process for preparing a flame-resistant, elastic soft polyuretha

Details Process for preparing a flame-resistant, elastic soft polyuretha Process for preparing a flame-resistant, elastic soft polyuretha

1991-03-27

1993-03-09

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521128, 521155, 521170, 521906, C08K 2100, C08G 1814

Patent

active

051928116

ABSTRACT:
A process for preparing a flame-resistant, elastic soft polyurethane foam includes admixing a portion of expanded graphite having a particle size of from 0.2 to 1 mm as a flame retardant and a portion of melamine, with a foam reaction mixture of polyol and polyisocyanate.

REFERENCES:
patent: 4529742 (1985-07-01), von Bonin
patent: 4729853 (1988-03-01), von Bonin
patent: 4977194 (1990-12-01), Haas et al.
patent: 5023280 (1991-06-01), Haas et al.

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