Preparation and Structure Control of Poly(butyl acrylate)/Poly(methyl methacrylate)Core/Shell Impact Modifier

Chinese Journal of Applied Chemistry ›› 1997, Vol. 0 ›› Issue (3): 93-95.

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Preparation and Structure Control of Poly(butyl acrylate)/Poly(methyl methacrylate)Core/Shell Impact Modifier

Zhang Huixuan¹, Dai Ying¹, Yang Haidong¹, Feng Zhiliu²

1. Department of Chemical Engineering, Jilin Institute of Technology, Changchun 130012;
2. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun

Received:1996-08-28 Revised:1997-01-06 Published:1997-06-10 Online:1997-06-10

Abstract

Abstract: Poly(butyl acrylate)/poly(methyl methacrylate)core/shell impact modifiers were prepared by seeded emulsion polymerization. The structures of the modifiers have been designed and the factors affecting the structure formation have been discussed. In order to inhibite the formation of new particles during seeded polymerization, an oil soluble redox initiator was used and the concentration of the emulsifier and feed speed of the monomer were controlled. The results showed that the particle size of the impact modifier can be adjusted by varing the amount of seed emulsion used in the seeded emulsion polymerization. TEM micrographs showed that the impact modifiers are monodisperse particles of spherical structure.

Key words: polyacrylate, impact modifier, praparation, seeded emulsion polymerization

Zhang Huixuan, Dai Ying, Yang Haidong, Feng Zhiliu. Preparation and Structure Control of Poly(butyl acrylate)/Poly(methyl methacrylate)Core/Shell Impact Modifier[J]. Chinese Journal of Applied Chemistry, 1997, 0(3): 93-95.

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Preparation and Structure Control of Poly(butyl acrylate)/Poly(methyl methacrylate)Core/Shell Impact Modifier

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