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POLYMERIZATION METHOD INCLUDING DIACYL PEROXIDES
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Paragraph 0057-0059, (2017/01/02)
PROBLEM TO BE SOLVED: To provide a method to make and use specific diacyl peroxides in polymerization reactions. SOLUTION: In a peroxidation process, an aqueous mixture comprising specific diacyl peroxides is made by reacting at least one kind of specific acid halides and i) MOOH/M2O2 in an aqueous phase. The method includes the steps of: bringing acid halides or a mixture of acid halides only essentially into contact with water comprising MOOH/M2O2 and/or at least one kind of peracids or salt of peracids; transferring the aqueous mixture comprising the specific diacyl peroxide from the above mentioned step into a reactor for polymerization; and pyrolyzing the specific diacyl peroxide in the presence of vinyl chloride to generate organic free radicals and polymerizing the vinyl chloride in the reactor for polymerization, wherein a reactor in which the peroxidation process is carried out is connected with the reactor for polymerization directly. COPYRIGHT: (C)2015,JPO&INPIT
