Process for rigid polyurethane foams

Details Process for rigid polyurethane foams Process for rigid polyurethane foams

1998-03-17

2000-03-07

Cooney, Jr., John M.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521130, 521131, 521137, 521172, 521173, 521174, C08G 1814

Patent

active

060341459

ABSTRACT:
Use of a mixture of at least two different polyoxyethylene polyether monols to solubilise hydrocarbon blowing agents in polyol compositions for rigid polyurethane foams.

REFERENCES:
patent: 5028636 (1991-07-01), Gebauer et al.
patent: 5424386 (1995-06-01), Gebauer et al.
patent: 5451615 (1995-09-01), Birch
patent: 5464562 (1995-11-01), Patterson
patent: 5684092 (1997-11-01), Seifert et al.

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