Polymer-based porous foam

Details Polymer-based porous foam Polymer-based porous foam

1995-06-05

1999-06-29

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

264 485, 264 55, C08G 1800

Patent

active

059169281

ABSTRACT:
An apparatus suitable for the continuous preparation of a polymer-based cellular foam sheet of a predetermined thickness wherein the foam is produced from a reaction product capable of curing at ambient temperature formed by the reaction of a reactant composition including a prepolymer and water, the apparatus including: a means for reacting the reactant composition, a continuously moving substrate for receiving a quantity of the reaction product; a means for depositing the quantity of reaction product onto the substrate to form a rising foam sheet; a means for compressing the rising foam sheet to a predetermined degree, the compressing means being spaced from the depositing means; and a curing means spaced from the compressing means and providing for a rising of the foam sheet exiting from the compressing means to provide a porous foam sheet having the predetermined thickness.

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