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Study on suspension copolymerization rate of vinyl chloride/N-phenylmaleimide

✍ Scribed by Miao Du; Zhi-Xue Weng; Guo-Rong Shan; Zhi-Ming Huang; Zu-Ren Pan

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
182 KB
Volume
73
Category
Article
ISSN
0021-8995

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✦ Synopsis

The copolymerization rate of vinyl chloride(VC)/N-phenylmaleimide (PMI) was investigated. The cross termination constant was measured to be 8.3 by using nonlinear least square fitting. The value showed that the cross termination was significant. A model of the copolymerization rate of VC/PMI was obtained. Using the calculated modeling parameters, the effects of temperature and initiator concentration on the copolymerization rate were predicted. The predicted values were in good agreement with the experimental data. Acrylonitrile, a third monomer, was selected to reduce the range of copolymer composition of this system, but it further lowered the copolymerization rate.

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Simultaneous statistical suspension copo
Simultaneous statistical suspension copolymerization of vinyl chloride with butyl acrylate and grafting on poly(butyl acrylate)
✍ VendelΓ­n Macho; Milan KrΓ‘lik; Miloň Micka; Ladislav Komora; DuΕ‘an BakoΕ‘ πŸ“‚ Article πŸ“… 1998 πŸ› John Wiley and Sons 🌐 English βš– 141 KB πŸ‘ 2 views

An intrinsically softened poly(vinyl chloride-butyl acrylate) was prepared by the suspension statistical polymerization of vinyl chloride (VC) with butyl acrylate (BA) using oil-soluble initiators, dispersants, and a buffer agent, at the temperature 59 { 1ЊC (procedure A). The polymer obtained was s