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Citation: Qiu Guangming, Gao Xiaosong, Yang Chunyan, Sun Zonghua. Preparation and Characterization of Fe₃O₄/P(St-AA) Core-Shell Composite Microspheres[J]. Chinese Journal of Applied Chemistry, ;1996, 13(1): 6-9. shu

Preparation and Characterization of Fe₃O₄/P(St-AA) Core-Shell Composite Microspheres

1.
1. Inner Mongolia Light Industry Research Institute, Huhehot 010051;
2.
2. Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu

Received Date: 7 May 1995
Available Online: 17 August 1995
Fund Project:

Fe₃O₄/P(St-AA) core-shell composite microspheres,having 1~23μm diameter,0~0.1 mmol/g surface carboxyl groups and 0.5~9.0 mg/g magnetite,were prepared by dispersion polymerization of styrene-acrylic acid,with magnetic colloidal particles dispersing in ethanol/water or tetrahydrofuran/water.The size and magnetic response of composite microspheres are highly dependent on the amount of magnetic colloidal particles,solubility parameters of solvents,amount of monomer and initiator.
- Fe₃O₄,
- core-shell microsphere,
- magnetic microsphere,
- dispersion polymerization,
- styrene
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Preparation and Characterization of Fe₃O₄/P(St-AA) Core-Shell Composite Microspheres