Ion-exchangeable and solvent-resistant filamentary structure con

Details Ion-exchangeable and solvent-resistant filamentary structure con Ion-exchangeable and solvent-resistant filamentary structure con

1974-12-09

1976-08-03

Schofer, Joseph L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

81155, 260 21E, 260 22R, C08G 7520

Patent

active

039728404

ABSTRACT:
A solvent-resistant filamentary structure having superior ion-exchangeability which comprises at least 20% by weight of aromatic nuclear structural units derived from an aromatic monovinyl monomer, 2 to 40 out of 100 of said aromatic nuclear structural units being cross-linked by crosslinkages of the formula ##EQU1## said filamentary structure not containing a crosslinkage expressed by the formula ##EQU2## and the remainder of said aromatic nuclear structural units, either partly or wholly, having incorporated therein an ion-exchangeable group, and a method for producing the same.

REFERENCES:
patent: 3821127 (1974-06-01), Mizutani et al.
patent: 3847842 (1974-11-01), Suzuki et al.

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