Method for producing strong-acid cation exchange fiber by treati

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Ion-exchange polymer or process of preparing

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526 31, 521 33, C08F 2800

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active

041136667

ABSTRACT:
A process for producing strongly acidic cation-exchange fiber, which comprises allowing fibrous polyethylene to react with gaseous sulfur trioxide.

REFERENCES:
patent: 2447762 (1948-08-01), Moruya
patent: 3218301 (1965-11-01), Moody et al.
patent: 3740258 (1973-06-01), Walles
patent: 3770706 (1973-11-01), Walles
patent: 3901755 (1975-08-01), Martin et al.
patent: 3972840 (1976-08-01), Luzuki et al.
Chem. Abstracts - vol. 83, entry 98723z.

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