Urethane foam compositions

Details Urethane foam compositions Urethane foam compositions

1979-12-26

1981-04-07

Sebastian, Leland A.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252 81, 252 62, 428921, 521167, 521171, 521176, 521177, 521906, C09K 300

Patent

active

042605148

ABSTRACT:
A polyurethane foamable composition comprising a brominated diol and three polyols is disclosed. The resulting foam formed by reacting these polyols and a diol with an isocyanate has a flame spread of 25 or less and contains a smaller quantity of halogen compounds than usually contained in polyurethane foamable compositions. This combination of polyols and flame retardant shows improved physical strengths and adhesion to primed tank substrates between temperatures of 100.degree. to 160.degree. F.

REFERENCES:
patent: 3222305 (1965-12-01), Lanham
patent: 3302999 (1967-02-01), Mitchell
patent: 3574150 (1971-04-01), Jefferson et al.
patent: 3717597 (1973-02-01), Hesskamp et al.
patent: 3793237 (1974-02-01), Watkinson
patent: 3821067 (1974-06-01), Taylor et al.
patent: 4145488 (1979-03-01), Hayden

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