Poly(methyl methacrylate)/Poly(<italic style="font-style: italic">N</italic>-isopropylacrylamide) Core-Shell Particles Prepared by Seeded Precipitation Polymerization: Unusual Morphology and Thermo-sensitivity of Zeta Potential

Shan Shi; Yang Yu; Tao Wang; Qian-man Wang; Chun Wang; Shin-ichi Kuroda

doi:10.1007/s10118-014-1435-8

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Poly(methyl methacrylate)/Poly(N-isopropylacrylamide) Core-Shell Particles Prepared by Seeded Precipitation Polymerization: Unusual Morphology and Thermo-sensitivity of Zeta Potential

PAPER | Updated：2021-06-21

- Poly(methyl methacrylate)/Poly(N-isopropylacrylamide) Core-Shell Particles Prepared by Seeded Precipitation Polymerization: Unusual Morphology and Thermo-sensitivity of Zeta Potential
- Chinese Journal of Polymer Science Vol. 32, Issue 5, Pages: 524-530(2014)
- Affiliations：
  
  a.College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
  b.Department of Production Science and Technology, Faculty of Engineering, Gunma University, Ota 373-0057, Japan
- Author bio：
  
  **Shan Shi (石山), E-mail: shan.shi@hotmail.com
- Funds：
- DOI：10.1007/s10118-014-1435-8
  CLC：
- Received：12 August 2013，
  
  Revised：2013-11-17，
  
  Accepted：20 December 2013，
  
  Published：2014-05
- Accepted：
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Shan Shi, Yang Yu, Tao Wang, et al. Poly(methyl methacrylate)/Poly(N-isopropylacrylamide) Core-Shell Particles Prepared by Seeded Precipitation Polymerization: Unusual Morphology and Thermo-sensitivity of Zeta Potential[J]. Chinese Journal of Polymer Science, 2014, 32(5): 524-530. DOI: 10.1007/s10118-014-1435-8.
DOI：

Shan Shi, Yang Yu, Tao Wang, et al. Poly(methyl methacrylate)/Poly(N-isopropylacrylamide) Core-Shell Particles Prepared by Seeded Precipitation Polymerization: Unusual Morphology and Thermo-sensitivity of Zeta Potential[J]. Chinese Journal of Polymer Science, 2014, 32(5): 524-530. DOI: 10.1007/s10118-014-1435-8. DOI：

摘要

Abstract

Poly(methyl methacrylate)/poly(

-isopropylacrylamide) (PMMA/PNIPAM) core-shell particles were synthesized by seeded precipitation polymerization of

-isopropylacrylamide (NIPAM) in the presence of PMMA seed particles. The anionic potassium persulfate was used as initiator

and acrylic acid as functional comonomer. It was shown that the weight ratio of the PNIPAM shell to the PMMA core can be greatly increased through continuous addition of NIPAM monomer at a relatively slow rate. PMMA/PNIPAM particles with different shell thickness were obtained by varying the amount of charged NIPAM monomers. These particles exhibited unique nonspherical core-shell morphology. PMMA core was partially coated by dense hair-like or antler-like PNIPAM shell depending on the shell thickness. The measurement of these particles’ zeta potential at different temperatures showed that the absolute value of zeta potential unusually decreased as the particle size decreased with temperature.

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Poly(methyl methacrylate)/Poly(N-isopropylacrylamide) Core-Shell Particles Prepared by Seeded Precipitation Polymerization: Unusual Morphology and Thermo-sensitivity of Zeta Potential

DOI：10.1007/s10118-014-1435-8

摘要

Abstract

关键词

Keywords

references