Preparation of acrylate polymer latex with hollow structure

CAO Xin;XIA Yu-zheng;KOU Yi;SHI Shu-xian;J IAO Shu-ke

Journal of Beijing University of Chemical Technology ›› 2001, Vol. 28 ›› Issue (4) : 27-32.

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Journal of Beijing University of Chemical Technology ›› 2001, Vol. 28 ›› Issue (4) : 27-32.
研究论文

Preparation of acrylate polymer latex with hollow structure

  • CAO Xin;XIA Yu-zheng;KOU Yi;SHI Shu-xian;J IAO Shu-ke
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Abstract

The polymer particles , which consist of the core including ethyl acrylate and methyl methacrylate , the intermediate shell including ethyl acrylate , methyl methacrylate and acrylic acid , and the outer shell including styrene , acrylic acid and methacrylic acid , were synthesized by semi-continuous seeded emulsion polymerization in the absence of emulsifiers. The latex particles prepared were t reated in alkali and acid solution subsequently. Particles sizes and morphologies were characterized by TEM. The influences of the crosslinking agent , treating
temperature , initial pH value during acid t reating and the swelling agent on the formation of hollow st ructure were also investigated in detail. A series of results was got after careful study , which showed that hollow particles could be observed after t reatments ; the formation of the particles which have different glass t ransition temperature ( Tg) dist ributions f rom shell to core is the key to form hollow particles.

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CAO Xin;XIA Yu-zheng;KOU Yi;SHI Shu-xian;J IAO Shu-ke. Preparation of acrylate polymer latex with hollow structure[J]. Journal of Beijing University of Chemical Technology, 2001, 28(4): 27-32

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