1487876 Removing monomer SOLVAY ET CIE SA 14 Aug 1975 [14 Aug 1974 21 March 1975] 33932/75 Heading C3P Residual monomer is removed from aqueous dispersions of vinyl chloride polymers by heating to a temperature above the glass transition temperature of the polymer and stripping with an inert gas or vapour while maintaining the temperature at least equal to the glass transition temperature. Preferably steam produced by boiling the dispersion is used as stripping medium.
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机译:1487876除去单体SOLVAY ET CIE SA 1975年8月14日[1974年8月14日1975年3月21日] 33932/75标题C3P通过加热到高于聚合物的玻璃化转变温度的温度从氯乙烯聚合物的水分散体中除去残留的单体并用保持温度至少等于玻璃化转变温度的惰性气体或蒸气。优选通过使分散体沸腾产生的蒸汽用作汽提介质。
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