Synthesis of an amide/carboxylate copolymer for barium titanate suspensions. I. As a dispersant

Lung Pin Chen, Kung Chung Hsu*

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

5 引文 斯高帕斯(Scopus)

摘要

An anionic copolymer, that is, poly[methacrylamide-co-(ammonium methacrylate)] (PMMN), was synthesized for the purpose of application to barium titanate (BT) suspensions. The chemical structure of the prepared polymer was verified with IR and 1H-NMR spectra. PMMN has the potential to have a double function of dispersant and binder for BT suspensions because it contains both amide groups, which are expected to bring a binder contribution, and carboxylate groups, which are expected to bring a dispersant contribution. In this article, the dispersion effects of PMMN with different monomer ratios are examined and evaluated through viscosity and sedimentation measurements. The results indicate that this polymer could uniformly disperse the particles and make the resulting suspensions less viscous and more stabilized. PMMN with a methacrylamide/ammonium methacrylate ratio of 60/40 appears to be most effective, as this polymer induces sufficient electrostatic forces among particles when it is adsorbed onto BT powder.

原文英語
頁(從 - 到)2077-2084
頁數8
期刊Journal of Applied Polymer Science
108
發行號4
DOIs
出版狀態已發佈 - 2008 5月 15

ASJC Scopus subject areas

  • 化學 (全部)
  • 表面、塗料和薄膜
  • 聚合物和塑料
  • 材料化學

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