Polyol and rigid polyurethane foam

Details Polyol and rigid polyurethane foam Polyol and rigid polyurethane foam

1990-11-08

1993-09-21

Kight, III, John

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521170, 521171, 521172, 521173, 521174, 521180, 523400, 523437, 523438, 523462, 528103, C08G 1858

Patent

active

052469786

ABSTRACT:
The present invention relates to a polyol, polyurethane resin, rigid polyurethane foam, preparation process thereof and a preparation process of a rigid polyurethane foam composite. The polyol comprises an epoxy resin based polyol, which may be combined with a phenol resin based polyol component and/or an aromatic amine based polyol component. The polyurethane resin, foam and composite using the polyol as a raw material has resistance to dissolution in a hydrochlorofluorocarbon and a hydrofluorocarbon which are foaming agents having very low public environmental hazards and can be used as a thermal insulation material or a thermal insulation structure for refrigerators, freezers, insulation panels, ships and vehicles.

REFERENCES:
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patent: 4323658 (1982-04-01), Speranza et al.
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patent: 4535133 (1985-08-01), Cuscurida et al.
patent: 4607064 (1986-08-01), Kuhn et al.
patent: 4609685 (1986-09-01), Cuscurida et al.
patent: 4710521 (1987-12-01), Soukup et al.
patent: 4789690 (1988-12-01), Milovanovic-Lerik et al.
patent: 4985530 (1991-01-01), Murakami et al.

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