Water blown, energy absorbing foams

Details Water blown, energy absorbing foams Water blown, energy absorbing foams

1994-10-06

1995-05-23

Foelak, Morton

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

25218226, 25218227, 521174, C08G 1806

Patent

active

054178800

ABSTRACT:
The present invention is directed to an isocyanate reactive mixture of specified amounts of a) a polyether polyol having a hydroxyl functionality of from 4 to 8 and having a hydroxyl number of from about 300 to about 450, b) a polyether polyol having a hydroxyl functionality of from 4 to 8 and having a hydroxyl number of from about 50 to about 200, and wherein at least 75% of the hydroxyl groups are primary hydroxyl groups, c) an adduct of a mono-, di-, or trialkanolamine and propylene oxide, said adduct having a hydroxyl number of from about 100 to about 800, and d) a polyoxyalkylene polyamine having a molecular weight of from about 2000 to about 5000, and containing from 2 to 3 primary amino groups. The invention is also directed to water-blown, energy absorbing foams made from the isocyanate reactive mixture.

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patent: 5167884 (1992-12-01), Rossio et al.
patent: 5187204 (1993-02-01), Jackson et al.
patent: 5216041 (1993-06-01), Rossio et al.
patent: 5232957 (1993-08-01), Pritchard et al.

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