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Polymerization Method Of PVC

- Jan 08, 2018 -

PVC was prepared by free radical addition polymerization method, mainly divided into suspension polymerization method, emulsion polymerization method and bulk polymerization method, mainly by suspension polymerization, which accounted for about 80% of total PVC production. The pure water, liquefied VCM monomer and dispersant are added into the reaction kettle, then the initiator and other auxiliaries are added, and the free radical polymerization of the VCM monomer occurs after heating to a certain temperature to produce PVC particles. The continuous stirring allows the particles to be uniformly granular, and the resulting particles are suspended in the water. In addition, the use of micro-suspension production of PVC paste resin, product performance and gelatinization are good.

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