Generalization of in-|situ Polymerization New Method for  Preparing Core-shell Polymeric Nanospheres and Hollow Spheres

Chem. J. Chinese Universities

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Generalization of in-|situ Polymerization New Method for Preparing Core-shell Polymeric Nanospheres and Hollow Spheres

ZHANG You-Wei^1,2, ZHAO Jiong-Xin², JIANG Ming¹, WANG Jia-Ye²

1. Department of Macromolecular Science, Key Laboratory of Molecular Engineering of Polymers, Ministry of Education, Fudan University, Shanghai 200433, China;
2. College of Materials Science and Engineering, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 200051, China

Received:2005-12-22 Revised:1900-01-01 Online:2006-09-10 Published:2006-09-10
Contact: ZHANG You-Wei

Abstract

Abstract: According to the new method for preparing core-shell nanospheres developed in our group, using two monomers of 2-hydroxypropyl methacrylate(HPMA) and vinyl acetate(VAc), two kinds of core-shell nanospheres with poly(ε-caprolactone)(PCL) as the core and crosslinked PHPMA or PVAc as the shell were successfully prepared under the similar conditions. After degrading the PCL cores of the obtained two nanospheres by lipase, the corresponding cross-linked poly(methyl acrylic acid) hollow spheres and cross-linked poly-(vinyl alcohol) hollow spheres were obtained. The results indicate that the new method which we proposed for preparing core-shell polymeric nanospheres via in-situ polymerization can be generalized to a certain extent, and it is suitable for the system in which the monomer is soluble in the water while its corresponding polymer is insoluble in the water.

Key words: Core-shell structure, Polymeric nanosphere, Hollow sphere, Preparation, Generalization

CLC Number:

O631.1

TrendMD:

ZHANG You-Wei^1,2, ZHAO Jiong-Xin², JIANG Ming¹, WANG Jia-Ye². Generalization of in-|situ Polymerization New Method for Preparing Core-shell Polymeric Nanospheres and Hollow Spheres[J]. Chem. J. Chinese Universities, doi: .

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Generalization of in-|situ Polymerization New Method for Preparing Core-shell Polymeric Nanospheres and Hollow Spheres

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