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Polymerization of alpha-chloroacrylonitrile

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专利汇可以提供Polymerization of alpha-chloroacrylonitrile专利检索,专利查询,专利分析的服务。并且PURPOSE: To prepare a colorless polymer useful as a raw material of a flame- retardant resin and a polarizing film, economically, in an industrial scale, by polymerizing α-chloroacrylonitrile in an aqueous medium in the presence of a water-soluble radical polymerization initiator and an organic acid, at or below a specific temperature.
CONSTITUTION: A polymer containing α-chloroacrylonitrile as a constituent monomer can be prepared by polymerizing α-chlorolacrylonitrile and if necessary a copolymerizable monomer such as a styrene monomer, a (meth)acrylate monomer, etc. in an aqueous medium in the presence of preferably 0.01W5wt% (based on the total amount of the polymer) of a water-soluble radical polymerization initiator (preferably a persulfate such as potassium persulfate) and preferably 0.001W1wt% (based on the total amount of water) of an organic acid (preferably a carboxylic acid such as formic acid, acetic acid, oxalic acid, etc.) at ≤70°C.
COPYRIGHT: (C)1984,JPO&Japio,下面是Polymerization of alpha-chloroacrylonitrile专利的具体信息内容。

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