引用本文:
张会轩, 杨海东, 戴英, 冯之榴. 核/壳结构聚丙烯酸酯增韧剂改性PVC的研究[J]. 应用化学,
1997, 14(3): 16-18.
Citation: Zhang Huixuan, Yang Haidong, Dai Ying, Feng Zhiliu. Impact Modification of PVC with PBA/PMMA Core/Shell Composite Particles[J]. Chinese Journal of Applied Chemistry, 1997, 14(3): 16-18.
Citation: Zhang Huixuan, Yang Haidong, Dai Ying, Feng Zhiliu. Impact Modification of PVC with PBA/PMMA Core/Shell Composite Particles[J]. Chinese Journal of Applied Chemistry, 1997, 14(3): 16-18.
核/壳结构聚丙烯酸酯增韧剂改性PVC的研究
English
Impact Modification of PVC with PBA/PMMA Core/Shell Composite Particles
Abstract:
Polyvinyl chloride(PVC) were toughened with polybutyl acrylate/polymethyl methacrylate core/shell impact modifier. The relationship between impact modifier's structure and its toughening efficiency to PVC was studied. Experimental results indicate that the toughening efficiency increases with particle size of the modifier. The optimum structure for the modifier is core/shell ratio 72/28~82/18, particle size 0.22 μm, fraction of crosslinking and grafting agent 0.5%~1.0%, respectively. SEM and TEM study on the morphology of the modified PVC shows that the impact modifier is uniformly dispersed in the PVC matrix.
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Key words:
- core/shell latex particle
- / PVC
- / polyacrylate
- / toughening
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