Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1976-05-24
1978-09-19
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
210500M, 20415912, 20415914, 20415915, 20415919, 2041592, 20415917, 521 61, 521 30, C08J 900, C08F 246
Patent
active
041153030
ABSTRACT:
The method of fabrication of porous macromolecular materials which are primarily intended for use as ion-exchange membranes and selective semi-permeable membranes consists in subjecting a polymer to irradiation with heavy nuclear particles, in chemically fixing a monomer having at least one ethylene double bond in the zones which are modified by irradiation and localized around the locus of passage of each particle and in forming the pore structure by means of a chemical attacking agent which is specific to the starting polymer.
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Marchand Joseph
Puig Jean-Rene'
Anderson Harold D.
Commissariat a l''Energie Atomique
Marmorek Ernest F.
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