Low fire hazard rigid urethane insulation foam, polyol mixtures

Details Low fire hazard rigid urethane insulation foam, polyol mixtures Low fire hazard rigid urethane insulation foam, polyol mixtures

1980-11-13

1982-03-09

Cockeram, H. S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521174, 521176, 252182, C08G 1814, C08G 1818, C08G 1832

Patent

active

043189997

ABSTRACT:
A low fire hazard rigid urethane insulation foam having high compressive strength and low friability is disclosed. Rigid foam products of this invention have a Class I flame hazard rating according to the ASTM E-84 Steiner tunnel test. The urethane foam contains a halogenated base polyol and a modifying amount of a 2,5-bis-(hydroxymethyl) furan component.

REFERENCES:
patent: 3055849 (1962-09-01), Hindersinn et al.
patent: 3676376 (1972-07-01), Svoboda et al.
patent: 4029611 (1977-06-01), Cenker et al.
Technical Bulletin 186, FaRez B-260, Quaker Oats Co., Chicago, IL 60654, 6 pages, Oct. 1978.

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