Silicone surfactants having t-butyl terminated polyether pendant

Details Silicone surfactants having t-butyl terminated polyether pendant Silicone surfactants having t-butyl terminated polyether pendant

1992-06-30

1993-03-30

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521154, 521174, C08G 1800

Patent

active

051984741

ABSTRACT:
Siloxane-polyether copolymer surfactants for manufacture of high resiliency polyurethane foam which are capped with t-butyl groups on the ends of the polyether blocks, polyurethane foam compositions containing such surfactants, a method for making polyurethane foam using such surfactants, and polyurethane foam made the method are disclosed and claimed. The t-butyl-capped surfactants afford improved surfactant potencies and foam breathabilities relative to the commonly-employed methyl-capped surfactants.

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