Process for the production of anion-exchangeable nonhollow novol

Details Process for the production of anion-exchangeable nonhollow novol Process for the production of anion-exchangeable nonhollow novol

1975-11-12

1977-08-02

Pertilla, Theodore E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 21R, C08G 518

Patent

active

040394840

ABSTRACT:
A process for producing an anion-exchangeable nonhollow novolak filament which comprises treating a cured nonhollow novolak filament with an amination agent thereby introducing an anion-exchangeable group into the filament.

REFERENCES:
patent: 2521288 (1950-09-01), Evers
patent: 2732352 (1956-01-01), Van Blaricom et al.
patent: 3573277 (1971-03-01), Grant
patent: 3652540 (1972-03-01), Determann et al.
patent: 3835072 (1974-09-01), Economy et al.
37 Plastics Fabr. Uses vol. 79 p. 39 (43391b Japan Appl. Kokai 31189 4/1973).

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