Citation: WU Jinyuan, YANG Yiguang, YANG Chaoxiong. KINETICS OF POLYMERIZATION OF METHYL METHACRYLATE INITIATED BY COPPER POLYPROPYLENE-BASED POLYAMIDOXIME-SODIUM SULFITE SYSTEM*[J]. Chinese Journal of Polymer Science, ;1992, 10(3): 270-275. shu

KINETICS OF POLYMERIZATION OF METHYL METHACRYLATE INITIATED BY COPPER POLYPROPYLENE-BASED POLYAMIDOXIME-SODIUM SULFITE SYSTEM*

Received Date: 13 May 1991

The aqueous polymerization of methyl methacrylate initiated by copper polypropylene-based polyamidoxime (PPAO-Cu) -sodium sulfite system was investigated. The overall rate of polymerization (Rp) is Rp=9.7 x 1012 e-21.200/RT [MMA]O.88[Na2 SO3]0.50 The length of the induction period (τ) is inversely proportional to the concentration of sodium sultite and independent of the amount of polymer supported copper and the concentration of monomer. It could be expressed as follows:1/τ =1.2x1012e-15,600/RT[Na2SO3]=KτRi The polymerization is initiated by a primary radical generated from the redox reaction rather than induced by "coordination-proton transfer"mechanism.
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