Citation: Kai KANG, Cheng You KAN, Yi DU, Yu Zhong LI, De Shan LIU. A New Kind of Void Soap-free P(MMA-EA-MAA) Latex Particles[J]. Chinese Chemical Letters, ;2005, 16(6): 831-834. shu

A New Kind of Void Soap-free P(MMA-EA-MAA) Latex Particles

Kai KANG ^1, ,
Cheng You KAN ¹ ,
Yi DU ¹ ,
Yu Zhong LI ² ,
De Shan LIU ¹

1.
Department of Chemical Engineering, School of Materials Science and Engineering, Tsinghua University, Beijing 100084;
2.
Agrometeorology Institute, Chinese Academy of Agricultural Science, Beijing 100081

Received Date: 31 May 2004

Fund Project: The authors would like to thank the National 863 Project of China (grant No. 2001AA242041) for financial support.

Soap-free P(MMA-EA-MAA) particles with narrow size distribution were synthesized by seeded emulsion polymerization of methyl methacrylate (MMA), ethyl acrylate (EA) and methacrylic acid (MAA), and large voids inside the particles were generated by alkali posttreatment in the presence of 2-butanone. Results indicated that the size of void and the particle volume were related with the amount of 2-butanone. The generation mechanism of voids was proposed.
- Particle morphology,
- soap-free latex particles,
- seeded emulsion polymerization,
- alkali posttreatment
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