Manufacture of polymeric foams

Details Manufacture of polymeric foams Manufacture of polymeric foams

1995-04-03

1997-04-29

Gorr, Rachel

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521160, 521917, 264 51, C08G 1810

Patent

active

056249721

ABSTRACT:
A method for the preparation of flexible polymeric foam by reacting a polyisocyanate component with an isocyanate-reactive component comprising at least 50% by weight of water, the polyisocyanate component comprising at least two polyisocyanate compositions, one of them being a low NCO isocyanate terminated prepolymer and the second being a high NCO polyisocyanate.

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J. Saunders & K. Frisch; "Polyurethanes;" 1962; pp. 30-31.
Polyurethane Pump Metering Teck.; PUR RIM Palette; Kraus Maffei Product Lit.; Oct. 1988.
Polyurethane Technology; Cannon Product Literature Mar., 1983.

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