Synthesis and Characterization of PBA/P (MMA-ITA) Latex with Core/shell Structure
The latex poly (n-butyl acrylate)/ poly (methyl methacrylate-itaconic acid) (PBA/P (MMA-ITA)) with core/ shell structure was synthesized via preemulsion and semi-continuous seeded emulsion polymerization process. The latex particles were characterized by Transition electron microscopy (TEM), Fourier transform infrared spectra (FT-IR), Differential scanning calorimetry (DSC) and acid-base titration. The results showed well-defined core/shell structure was formed, in which PBA as the core with an average diameter of 250nm and P (MMA-ITA) as the shell with an average diameter of 290nm. With increasing the amount of the seeds, the average diameter of the particles firstly increased due to the formation of secondary particles, and then decreased according to the normal rule. The P (MMA-ITA) linked onto the surface of core by chemical bonding and physical adsorption. The glass transition temperature (Tg) of the latex increased owing to the existence of ITA.
seeded emulsion polymerization ITA core shell structure latex
Xi Jun Liu Zhao Hua Jiang Rui Xia Tian Qing Li
Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150000, Heilongjiang, P. R. Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150000, Heilongjiang, P. R. College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar 161006, Heilongjiang, P.
国际会议
上海
英文
976-979
2007-10-15（万方平台首次上网日期，不代表论文的发表时间）