Process for preparing polyurethane foam

Details Process for preparing polyurethane foam Process for preparing polyurethane foam

1997-03-12

1998-10-13

Cooney, Jr., John M.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

25218228, 521155, 521159, 521172, 521173, 528272, 5283081, 560 89, C08G 1814

Patent

active

058215549

ABSTRACT:
A polyester-polyol prepared by polycondensation of an acid component comprising terephthalic acid and adipic acid, and a polyhydric alcohol component, wherein the molar ratio of the terephthalic acid/adipic acid is 0.05 to 0.3; a process for preparing a polyurethane foam comprising reacting a polyisocyanate component and a polyol component, wherein the polyol component contains the above polyester-polyol; and a process for preparing a polyurethane foam comprising reacting an isocyanate prepolymer made of a polyisocyanate component and a polyol component (I) with a polyol component (II), wherein the polyol component (I) comprises the above polyester-polyol.

REFERENCES:
patent: 4439550 (1984-03-01), Brennan
patent: 4444918 (1984-04-01), Brennan
patent: 4861826 (1989-08-01), Hummerich et al.
patent: 5116683 (1992-05-01), Koyama et al.
patent: 5188716 (1993-02-01), Schwerzel et al.
patent: 5319056 (1994-06-01), Wamprecht et al.
patent: 5596021 (1997-01-01), Adembri et al.

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