Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1995-04-12
1996-02-20
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
528 15, 528 29, 528 31, 556445, 556436, C08J 900
Patent
active
054929393
ABSTRACT:
Silicone surfactants having a siloxane backbone and polyether pendants having average atomic masses of 2250. The surfactants of the invention operate in polyurethane foam compositions to provide stable foams over a range of surfactant concentrations while still producing product foams without splits. Also disclosed and claimed are polyurethane foam compositions which include the surfactants, a method of making polyurethane foam using the surfactants, and polyurethane foam made by the method.
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Frey John H.
Hoffman Robert F.
Stanga Michael A.
Stevens Robert E.
Dow Corning Corporation
Foelak Morton
Gearhart Richard I.
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