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A PROCESS FOR PREPARING A VINYL CHLORIDE HOMO/COPOLYMER IN THE FORM OF A POLYMER POWDER HAVING IMPROVED RHEOLOGICAL PROPERTIES CAPABNLE OF FORMING PLASTISOLS
A PROCESS FOR PREPARING A VINYL CHLORIDE HOMO/COPOLYMER IN THE FORM OF A POLYMER POWDER HAVING IMPROVED RHEOLOGICAL PROPERTIES CAPABNLE OF FORMING PLASTISOLS
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机译:具有改善的成型塑料流变性能的聚合物粉末形式的氯乙烯均聚物/共聚物的制备方法
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摘要
Process for the preparation of vinyl chloride homo- and copolymers in powder form capable of yielding plastisols. …??A spray-drying operation is carried out on a vinyl chloride homo- or copolymer latex. The operation is carried out so that the processing temperature of the said latex to be subjected to the spray-drying operation is at least 40 DEG C and lower than the temperature of onset of degradation of the polymer. …??The polymers obtained have a greatly reduced residual vinyl chloride monomer content and produce plastisols with improved rheological properties.
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