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Polypropylene fiber has a high requirement for the purity of raw material acrylic resin, and the total content of various impurities should be less than 0.005%. The second monomer of polymerization is mainly methyl acrylate, which can also be methyl methacrylate, in order to improve the spinnability and the handle, softness and elasticity of the fiber; The third monomer is mainly used to improve the dyeing property of the fiber, which is generally itaconic acid containing weak acid dyeing group, sodium propene sulfonate containing strong acid dyeing group, sodium methylpropene sulfonate, sodium p-methylpropene phthalamine benzenesulfonate, and methyl vinyl chloride containing alkaline dyeing group.
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Yancheng Centurysun Imp. & Exp. Co., Ltd.