Flame resistant polyurethane foam and process for producing the

Details Flame resistant polyurethane foam and process for producing the Flame resistant polyurethane foam and process for producing the

1980-01-08

1981-07-14

Cockeram, H. S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

564 57, 564 58, 564 59, 564 60, 521128, 521129, 521163, 521164, 521166, 260192, 26029387, 2602939, 260453RW, 260465R, 260465E, 2604655R, 2604656, 2604658R, 260584A, 260584B, 544180, 544357, 564 17, 564 37, 564 45, 564 47, C08G 1814, C08G 1818, C08G 1820, C08G 1832

Patent

active

RE0306762

ABSTRACT:
A process for producing a flame resistant rigid polyurethane foam by reacting a reaction mixture comprising a polyetherpolyol and/or a polyesterpolyol having an active hydrogen atom, a polyisocyanate, water and/or a volatile foaming agent and an emulsifying agent, in which a specific amine compound shown by the general formula as defined hereinafter in the specification is added to the reaction system, the weight ratio of amine compound to polyetherpolyol and/or polyesterpolyol being from 70:30 to 30:70, and also the flame resistant rigid polyurethane foam produced by the process.

REFERENCES:
patent: 2953533 (1960-09-01), Khawam
patent: 3175025 (1965-03-01), Geen
patent: 3175030 (1965-03-01), Geen
patent: 3221016 (1965-11-01), Currier et al.
patent: 3476933 (1969-11-01), Mendelsohn
patent: 3681273 (1972-08-01), Kelly
patent: 3730919 (1973-05-01), McGinn
patent: 4143003 (1979-03-01), Haas et al.
Vollmert, "Polymer Chemistry," (Springer-Verlag) 1973, p. 240.
Billmeyer, "Textbook of Polymer Science," 2nd Ed., (Wiley, N.Y.) 1971, pp. 480-482.

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