Method for manufacturing novel cation exchangers

Details Method for manufacturing novel cation exchangers Method for manufacturing novel cation exchangers

1974-09-16

1976-12-14

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Utilizing diverse solid particles

162157R, 260 21R, 260 22R, 264126, 264234, C08J 134

Patent

active

039976440

ABSTRACT:
A cation exchanger in paper-like or felt-like form is obtained by making a fibrous sheet from a blend of polyethylene fibers into which sulfonic groups have been introduced with 0.1 to 50% by weight of thermoplastic resin fibers and heating the sheet at the softening temperature of said thermoplastic resin or higher temperatures. This cation exchanger is useful in softening or desalination of raw water, separation and recovery of various metals, and adsorption of basic dyestuffs and cationic dyestuffs.

REFERENCES:
patent: 3092438 (1963-06-01), Kruger, Jr.
patent: 3248339 (1966-04-01), Spes et al.
patent: 3271292 (1966-09-01), Kollsman
patent: 3452128 (1969-06-01), Rains
patent: 3453354 (1969-07-01), Tejeda et al.
patent: 3501369 (1970-03-01), Drelich et al.
patent: 3645922 (1972-02-01), Weiss et al.
patent: 3787256 (1974-01-01), Nowotny
patent: 3816357 (1974-06-01), Church

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