Preparation and properties of magnetic polystyrene microspheres
β Scribed by Zhijun Chen; Kai Peng; Yongli Mi
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 397 KB
- Volume
- 103
- Category
- Article
- ISSN
- 0021-8995
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π SIMILAR VOLUMES
Seeded emulsifier-free emulsion polymerization was used to prepare poly(styrene-co-acrylic acid) [P(St-co-AA)] microspheres. There are carboxyl groups on the surface of the P(St-co-AA) microspheres. Under appropriate conditions, the carboxyl react with NiCl 2 , etc., to form magnetic [P(St-co-AA)]Ni
Polystyrene-clay hybrids (PSCHs) were prepared by melt blending a styrene vinyloxazoline copolymer with organophilic clay. In the PSCHs, the silicate layers of the clay were delaminated and dispersed homogeneously to the nanometer level. The moduli of the PSCHs were higher than that of the PS copoly