Porous material and its preparation

Details Porous material and its preparation Porous material and its preparation

1988-04-25

1991-01-15

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 62, 521 64, 521138, C08J 926, C08J 928

Patent

active

049854682

ABSTRACT:
A porous polymeric material has cell sizes within the range 100 to 0.5 .mu.m and total pore volume with respect to the overall volume of the material in the range 75 to 98% and includes cross-linked polycondensation polymeric material. The material can be made from a high internal phase emulsion in which the cross-linked polycondensation polymer is formed in the continuous phase. The materials are preferably open interconnected cellular structures. They can be made of a wide range of polycondensation materials. The materials are thus highly porous and light weight and have a range of properties depending primarily on their constituent polycondensation materials.

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patent: 4461848 (1984-07-01), Lawson et al.
patent: 4797425 (1989-01-01), Kishima et al.

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