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Citation: TANG Ye-Cang, FU Zhong, SHAO Ming-Wang, SUN Yi-Min. Synthesis of Emulsifier-free Macromolecular Nanoparticles by Microwave Irradiation[J]. Chinese Journal of Applied Chemistry, ;2003, 20(11): 1114-1116. shu

Synthesis of Emulsifier-free Macromolecular Nanoparticles by Microwave Irradiation

1.
College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000

Corresponding author: TANG Ye-Cang,
Received Date: 20 February 2003
Available Online: 9 June 2003
Fund Project: 安徽省教育厅基金(2001kj095) (2001kj095)安徽师范大学青年科学基金(2002xqn44)资助项目 (2002xqn44)

Using acetone-water as medium and 2,2'-azobisisobutyramidine dihydrochloride(AIBA) as cationic radical initiator, three emulsifier-free cationic copolymer nanoparticles were synthesized under microwave irradiation from styrene with methylmethacrylate, diacetoneacrylamide and β-hydroxyethyl-methacrylate respectively. The latexes were excellently stable. The particles were characterized by IR, TEM, LLS. The influence of comonomer content and hydrophilicity on the hydrodynamic radius of copolymer nanoparticles was discussed. The results indicated that the average of copolymer particle decreased with increase of the concentration and hydrophilicity of the comonomer.
- microwave irradiation,
- emulsifier-free emulsion polymerization,
- nanoparticle
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