Insoluble polymer material with condensed reactive sites, method

Details Insoluble polymer material with condensed reactive sites, method Insoluble polymer material with condensed reactive sites, method

1992-10-06

1995-03-28

Page, Thurman K.

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

Synthetic resins

Ion-exchange polymer or process of preparing

521 31, 521 32, 5253301, 5252295, 5253298, 5253299, 525382, 525379, 525386, 522144, 435180, C08J 520, C08J 328, C08L 2336

Patent

active

054017840

ABSTRACT:
The object of the present invention is a polymer material with reactive sites which is insoluble particularly in aqueous media, characterised in that it consists of a chemically inert polymer which is insoluble particularly in aqueous media and sufficiently reticulated to be usable in a defined configuration such as a membrane or tube configuration, and onto this polymer is grafted a monomer having at least one carboxyl group and/or a polymer of this monomer, all or part of the carboxyl groups of this insoluble and grafted reticulated polymer being converted into condensed groups which are more reactive than the corresponding carboxyl groups. It also relates to a method of preparing this material and to applications thereof.

REFERENCES:
patent: 3137660 (1964-06-01), Jones
patent: 3247133 (1966-04-01), Chen
patent: 3364187 (1968-01-01), Wiggill
patent: 3394113 (1968-07-01), Snyder
patent: 3634372 (1972-01-01), McFadden
patent: 3839172 (1974-10-01), Chapiro et al.
patent: 4137137 (1979-01-01), Machi et al.
patent: 4415679 (1985-11-01), Grot

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