A METHOD FOR THE PRODUCTION OF HOPOLYMER COARSE-DISPERSION POLYVINYL ACETATE DISPERSION
A method for the production of homopolymer coarse-dispersion polyvinyl acetate dispersion by emulsion polymerization of vinyl acetate in the acid medium involves preparation of the aqueous phase by mixing the aqueous solution of polyvinyl alcohol, demineralized water, formic acid and ferrous iron su...
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| creator | ROMENSKYI OLEKSANDR VOLODYMYROVYCH KULYK VASYL MYKOLAIOVYCH TVERDOKHLIB SERHII PETROVYCH SHEVCHENKO YURII VOLODYMYROVYCH VOLOKHOV IVAN VASYLIOVYCH VAKULENKO ANATOLII LEONIDOVCH SHATOKHIN VITALII FEDOROVYCH TSEHLEVSKYI PETRO MYKOLAIOVYCH KUNCHENKO OLEKSII PETROVYCH POPOV MYKOLA SEMENOVYCH VASCHUK SERHII IVANOVYCH MAZAILO HALYNA VIKTORIVNA HOLUBIEV VALENTYN VALENTYNOVYCH BIELYKH LILIIA ANATOLIIVNA |
| description | A method for the production of homopolymer coarse-dispersion polyvinyl acetate dispersion by emulsion polymerization of vinyl acetate in the acid medium involves preparation of the aqueous phase by mixing the aqueous solution of polyvinyl alcohol, demineralized water, formic acid and ferrous iron sulfate, subsequent mixing the obtained aqueous phase, hydrogen peroxide and vinyl acetate, polymerization of the obtained mixture in the cascade of at least two reactors, cooling, neutralization of the obtained dispersion with neutralizing agent to aì being equal to 4.5-6, and plastification. As neutralizing agent hydroxide or oxide of alkaline metal, e.g. of barium or ruthenium or strontium are used. |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | A METHOD FOR THE PRODUCTION OF HOPOLYMER COARSE-DISPERSION POLYVINYL ACETATE DISPERSION |
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