Process for preparing flexible foams

Details Process for preparing flexible foams Process for preparing flexible foams

1995-06-05

1996-02-13

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521160, 521163, 521170, 521174, 521176, C08G 1810

Patent

active

054911761

ABSTRACT:
Process for preparing a flexible foam by reacting an isocyanate-terminated prepolymer having an NCO value of 5-18% by weight, a polyisocyanate having an NCO value of at least 25% by weight, 20-95 parts by weight, per 100 parts by weight of polyisocyanate, of an isocyanate-reactive compound of molecular weight of 1000-12000, and water.

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patent: 4833176 (1989-05-01), Wolf et al.
patent: 4945117 (1990-07-01), Gansen et al.
patent: 5236960 (1993-08-01), Harrison et al.
patent: 5240635 (1993-08-01), DeGenova et al.
patent: 5369138 (1994-11-01), Gansen
patent: 5416125 (1995-05-01), Liman et al.
patent: 5418261 (1995-05-01), Helsmans et al.

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