CJCU

Chem. J. Chinese Universities ›› 2009, Vol. 30 ›› Issue (7): 1293.

• Articles • Previous Articles     Next Articles

Research of Core-shell Emulsion Polymerization Using in-situ Near Infrared Spectroscopy

GAO Wen-Ji, YUAN Hong-Fu*, QIU Teng, LI Xiao-Yu   

  1. School of Materials Science and Engineering, Key Lab of Carbon Fiber and Functional Polymer Materials, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, China
  • Received:2009-01-23 Online:2009-07-10 Published:2009-07-10
  • Contact: YUAN Hong-Fu. E-mail: hfyuan@mail.buct.edu.cn
  • Supported by:

    国家自然科学基金(批准号: 50703002)资助.

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Abstract:

Near-infrared spectroscopy was employed in monitoring the core-shell emulsion polymerization and emulsion copolymerization of styrene(St) and butyl acrylate(BA). The three different polymerizations are differentiated by the band assignment and principal component analysis(PCA). The reversal process of inverted core-shell structure can be visually revealed by this method. The soft independent modeling of class analogy(SIMCA) classification model was established, which provides scientific basis for using near-infrared spectrometry to discriminate the core-shell polymerization types.

Key words: Core-shell emulsion; NIR spectroscopy; Band assignment; Principal component analysis; Soft independent modeling of class analogy

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