Poly(methyl methacrylate)/Poly(N-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
- 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 2014年32卷第5期页码：524-530
- 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：
  
  National Natural Science Foundation of China(50943028);Program for Liaoning Excellent Talents in Universities(LJQ2011037)
- DOI：10.1007/s10118-014-1435-8
  中图分类号：
- 收稿：2013-08-12，
  
  修回：2013-11-17，
  
  录用：2013-12-20，
  
  纸质出版：2014-05
- Accepted：
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Shan Shi, Yang Yu, Tao Wang, 等. 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.

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.
Shan Shi, Yang Yu, Tao Wang, 等. 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.

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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