Preparation of Polypropylene/Poly(styrene-<italic style="font-style: italic">co</italic>-(butyl methacrylate)) Nanoblends by Diffusion and Subsequent Copolymerization of Monomers in Isotactic Polypropylene Pellets

Hai-yue Qiu; Fang Chen; Zhao-xia Guo; Jian Yu

doi:10.1007/s10118-015-1686-z

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Preparation of Polypropylene/Poly(styrene-co-(butyl methacrylate)) Nanoblends by Diffusion and Subsequent Copolymerization of Monomers in Isotactic Polypropylene Pellets

PAPER | Updated：2021-06-21

- Preparation of Polypropylene/Poly(styrene-co-(butyl methacrylate)) Nanoblends by Diffusion and Subsequent Copolymerization of Monomers in Isotactic Polypropylene Pellets
- Chinese Journal of Polymer Science Vol. 33, Issue 10, Pages: 1380-1388(2015)
- Affiliations：
  
  Key Laboratory of Advanced Materials (MOE), Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
- Author bio：
  
  **Zhao-xia Guo (郭朝霞), E-mail: guozx@mail.tsinghua.edu.cn
  Jian Yu (于建), E-mail: yujian03@mail.tsinghua.edu.cn
- Funds：
- DOI：10.1007/s10118-015-1686-z
  CLC：
- Received：16 March 2015，
  
  Revised：2015-04-09，
  
  Accepted：21 April 2015，
  
  Published：2015-10
- Accepted：
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Hai-yue Qiu, Fang Chen, Zhao-xia Guo, et al. Preparation of Polypropylene/Poly(styrene-co-(butyl methacrylate)) Nanoblends by Diffusion and Subsequent Copolymerization of Monomers in Isotactic Polypropylene Pellets[J]. Chinese Journal of Polymer Science, 2015, 33(10): 1380-1388. DOI: 10.1007/s10118-015-1686-z.
DOI：

Hai-yue Qiu, Fang Chen, Zhao-xia Guo, et al. Preparation of Polypropylene/Poly(styrene-co-(butyl methacrylate)) Nanoblends by Diffusion and Subsequent Copolymerization of Monomers in Isotactic Polypropylene Pellets[J]. Chinese Journal of Polymer Science, 2015, 33(10): 1380-1388. DOI: 10.1007/s10118-015-1686-z. DOI：

摘要

Abstract

The diffusion and subsequent copolymerization of styrene (St)/butyl methacrylate (BMA) mixed monomers in iPP pellets to prepare copolymer nanoblends were investigated. The diffusion step was carried out at 90 °C for 2 h in water

and the copolymerization was initiated by the addition of BPO with the aid of a small amount of St. The diametrical distributions of both St and BMA units and their ratio St/BMA were investigated by micro FTIR. Both St and BMA can diffuse into the centres of

PP pellets. The diametrical distribution of St/BMA ratio is constant in all the copolymer blends. The copolymer composition depends on the comonomer feed ratio. The molecular weights of the copolymers were measured by GPC after extraction with tetrahydrofuran. The phase morphology of the copolymer blends was investigated by FESEM

showing the average particle sizes of less than 100 nm. DSC measurements show that the diffusion and subsequent copolymerization of St/BMA monomers only occur in the amorphous regions of iPP pellets.

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Preparation of Polypropylene/Poly(styrene-co-(butyl methacrylate)) Nanoblends by Diffusion and Subsequent Copolymerization of Monomers in Isotactic Polypropylene Pellets

DOI：10.1007/s10118-015-1686-z

摘要

Abstract

关键词

Keywords

references