High viscosity polyvinyl chloride paste resin PE1311 and preparation method thereof
A polyvinyl chloride paste and high-viscosity technology, applied in the field of vinyl chloride polymerization in the chlor-alkali chemical industry, can solve the problems of reduced product aging performance, unstable reduction system, and unstable polymerization reaction, and achieve improved aging performance, easy operation, and reduction The effect of system stability
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[0028] Example 1 Preparation of PE1311-01 resin, the formula is shown in Table 1, and the preparation method is as follows:
[0029] (1) Add 350kg of ion-free water into the polymerization kettle, and add 1kg of sodium laurate, 2kg of ferrous sulfate and 4kg of white block under stirring;
[0030] (2) Then vacuum deoxidize the polymerization kettle, add 400kg of vinyl chloride monomer, and raise the temperature of the polymerization kettle to 60°C;
[0031] (3) Dissolve 2kg of sodium persulfate and 15kg of sodium dodecylbenzenesulfonate completely in deionized water;
[0032] (4) Continuously add the sodium persulfate solution and sodium dodecylbenzenesulfonate solution dissolved in water into the polymerization kettle, keep stirring, and the polymerization reaction occurs. Control the temperature of the reaction system at 60°C. When the polymerization kettle After the pressure reached 10MPa, the pressure of the polymerization tank began to drop, and when the pressure dropped...
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