Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1999-05-28
2000-06-27
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521142, C09J 928
Patent
active
060807970
ABSTRACT:
There is disclosed a porous moisture-absorbing and desorbing polymer, characterized in that, said polymer is an organic polymer containing 2.0-12.0 meq/g of carboxyl-groups of a salt type, having a cross-linking structure and having macropores of not less than 1 m.sup.2 /g of specific surface area and 0.005-1.0 .mu.m of average pore size.
REFERENCES:
patent: 5451613 (1995-09-01), Smith et al.
Foelak Morton
Japan Exlan Company Limited
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