Modacrylic synthetic fiber having an excellent devitrification p

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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526 80, 526 87, 526287, 264178F, C08F 226, C08F 206

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active

045241937

ABSTRACT:
A modacrylic fiber comprising a copolymer containing acrylonitrile, at least one of vinyl chloride and vinylidene chloride, and a sulfo group-containing vinyl monomer having a relative reactivity of at least 1 to acrylonitrile, in a specific ratio. The copolymer is prepared by polymerizing the monomers, while adding the sulfo group-containing vinyl monomer to the polymerization system under the following condition:

REFERENCES:
patent: 4163089 (1979-07-01), Palethorpe

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