Synthetic Features and Mechanism for the Preparation of Vinyl Chloride-<italic style="font-style: italic">co</italic>-Butyl Acrylate-<italic style="font-style: italic">co</italic>-Vinyl Acetate Terpolymer <italic style="font-style: italic">via</italic> Precipitation Polymerization

Chang-Tong Song; Xian-Hong Zhang; Dong Chen; Yu-Hong Ma; Wan-Tai Yang

doi:10.1007/s10118-023-2965-8

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Synthetic Features and Mechanism for the Preparation of Vinyl Chloride-co-Butyl Acrylate-co-Vinyl Acetate Terpolymer via Precipitation Polymerization

RESEARCH ARTICLE | Updated：2023-11-10

- Synthetic Features and Mechanism for the Preparation of Vinyl Chloride-co-Butyl Acrylate-co-Vinyl Acetate Terpolymer via Precipitation Polymerization
  Enhanced Publication
- Chinese Journal of Polymer Science Vol. 41, Issue 11, Pages: 1714-1724(2023)
- Affiliations：
  
  a.State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
  b.College of Material Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
- Author bio：
  
  xhzhang@mail.buct.edu.cn (X.H.Z.)
  yangwt@mail.buct.edu.cn (W.T.Y.)
- Funds：
- DOI：10.1007/s10118-023-2965-8
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Song, C. T.; Zhang, X. H.; Chen, D.; Ma, Y. H.; Yang, W. T. Synthetic features and mechanism for the preparation of vinyl chloride-co-butyl acrylate-co-vinyl acetate terpolymer via precipitation polymerization. Chinese J. Polym. Sci. 2023, 41, 1714–1724

Chang-Tong Song, Xian-Hong Zhang, Dong Chen, et al. Synthetic Features and Mechanism for the Preparation of Vinyl Chloride-co-Butyl Acrylate-co-Vinyl Acetate Terpolymer via Precipitation Polymerization. [J]. Chinese Journal of Polymer Science 41(11):1714-1724(2023)
Song, C. T.; Zhang, X. H.; Chen, D.; Ma, Y. H.; Yang, W. T. Synthetic features and mechanism for the preparation of vinyl chloride-co-butyl acrylate-co-vinyl acetate terpolymer via precipitation polymerization. Chinese J. Polym. Sci. 2023, 41, 1714–1724 DOI： 10.1007/s10118-023-2965-8.

Chang-Tong Song, Xian-Hong Zhang, Dong Chen, et al. Synthetic Features and Mechanism for the Preparation of Vinyl Chloride-co-Butyl Acrylate-co-Vinyl Acetate Terpolymer via Precipitation Polymerization. [J]. Chinese Journal of Polymer Science 41(11):1714-1724(2023) DOI： 10.1007/s10118-023-2965-8.

摘要

The poly[(vinyl chloride)-,co,-(n-butyl acrylate)-,co,-(vinyl acetate)] random terpolymers are synthesized successfully via precipitation polymerization. The reaction medium and the monomer feed ratios are crucial factors both for the polymer morphology and reaction kinetic. Moreover, precipitation polymerization is suitable to synthesize ternary copolymer with low number-average molecular weight and high content of BA.

Abstract

Without any type of surfactant or dispersing agent, precipitation polymerization has great superiorities in both polymer synthesis and applications. In the present work, the polymerization of vinyl chloride (VC),n,-butyl acrylate (BA), and vinyl acetate (VAc) are conducted in the precipitation polymerization system and series of their random terpolymers poly(vinyl chloride-,co,-,n,-butyl acrylate,-co,-vinyl acetate) (PCBV) are synthesized successfully. The effects of various polymerization conditions, including solvent polarity, temperature, initiator concentration, and monomer feed ratios on the polymerization kinetics, number-average molecular weight (,M,n,), and terpolymer composition are investigated systematically. The solvent and the monomer feed ratio are crucial factors not only for the polymer morphology, but also for the reaction kinetic. In the non-polar solvent such as ,n,-hexane, the PCBV displays particle morphology when the composition of BA ratio lower than 10 wt%. Otherwise, the PCBV forms a uniform polymer phase and precipitates out from the mixture. In the polar solvent,e.g., dimethyl carbonate (DMC) and ethanol, the PCBV polymer maintains a slurry state either in low or in high monomer feed ratio. Impressively, VC based ternary copolymer that obtained in ,n,-hexane has much lower ,M,n, (,<,20 kDa) and much higher BA units mass fraction (,>,40 wt%) compared with emulsion and suspension polymerization. Additionally, the terpolymer can be easily separated by simple centrifugation.

关键词

Keywords

Precipitation polymerizationCopolymerizationVinyl chlorideLow molecular weight

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Synthetic Features and Mechanism for the Preparation of Vinyl Chloride-co-Butyl Acrylate-co-Vinyl Acetate Terpolymer via Precipitation Polymerization

DOI：10.1007/s10118-023-2965-8

摘要

Abstract

关键词

Keywords

references