Production technology of food-grade polyvinylidene chloride resin
A polyvinylidene chloride and production process technology, which is applied in the production process field of food-grade polyvinylidene chloride resin, can solve the problems of low production efficiency, long monomer consumption time, and waste of time, so as to improve synthesis efficiency and save time Effect
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[0020] The present invention will be described in further detail below through examples, and the following examples are explanations of the present invention and the present invention is not limited to the following examples.
[0021] The production technology of food grade polyvinylidene chloride resin of the present invention comprises the following steps:
[0022] A. Polymerization feeding. After the pure water used for suspension polymerization is put into the polymerization tank according to the predetermined amount, the polymerization tank is vacuumed. After the vacuum degree of the polymerization tank meets the requirements, the vinylidene chloride monomer, comonomer and initiator , Dispersant The corresponding additives are put into the polymerization tank according to the predetermined input amount, and then the predetermined stirring speed and stirring time are used to disperse the polymerization monomer. After the dispersion of the monomer is completed, the temperat...
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