Polyether-based polyurethane foams including a flame-retardant s

Details Polyether-based polyurethane foams including a flame-retardant s Polyether-based polyurethane foams including a flame-retardant s

1979-06-27

1981-05-05

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252182, 521132, 521137, 521159, 521174, C08G 1814

Patent

active

042660424

ABSTRACT:
Polyether-based polyurethane foams including as the flame-retardant, an antimony compound, chlorine derived from at least one chlorinated paraffin and alumina trihydrate, and the polyol used to prepare the foams being a diol- or triol-based polyol wherein at least 50% of the hydroxyl end groups are primary hydroxyl end groups, having good flame-retardancy and without any significant fall-off in physical properties as the foams are able to tolerate relatively high levels of the flame retardant.

REFERENCES:
patent: 3075927 (1963-01-01), Lanham
patent: 3075928 (1963-01-01), Lanham
patent: 3262894 (1966-07-01), Green
patent: 3799897 (1974-03-01), Suzuki et al.
patent: 3876571 (1975-04-01), Cobbledick et al.
patent: 3925266 (1975-12-01), Fabris et al.
patent: 3931062 (1976-01-01), Cobbledick

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