Molded and slab polyurethane foam prepared from double metal cya

Details Molded and slab polyurethane foam prepared from double metal cya Molded and slab polyurethane foam prepared from double metal cya

1998-04-03

2000-05-23

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...

25218224, 25218227, 252182, 252 29, 521170, 568620, 568624, C08G 1848

Patent

active

060666838

ABSTRACT:
Copolymer DMC-catalyzed polyoxypropylene polyols which exhibit processing latitude similar to base-catalyzed copolymer analogs and base-catalyzed homopolyoxypropylene analogs may be prepared by oxyalkylation with a mixture of propylene oxide and ethylene oxide such that a finite ethylene oxide content is maintained in the oxyalkylation reactor for the most substantial part of the oxyalkylation, the polyoxypropylene polyol having randomly distributed oxyethylene moieties which constitute 1.5 weight percent or more of the polyol product.

REFERENCES:
patent: 4472560 (1984-09-01), Kuyper
patent: 5100997 (1992-03-01), Reisch et al.
patent: 5158922 (1992-10-01), Hinney et al.
patent: 5171759 (1992-12-01), Hager
patent: 5470813 (1995-11-01), Le-Khac
patent: 5482908 (1996-01-01), Le-Khac
patent: 5545601 (1996-08-01), Le-Khac
patent: 5811829 (1998-09-01), Lawrey et al.

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