ENHANCED MECHANICAL PROPERTIES OF POLYPROPYLENE/SILICA NANOCOMPOSITES WITH SURFACE MODIFICATION OF NANO-SILICA VIA IN SITU COPOLYMERIZATION OF METHYL METHACRYLATE AND BUTYL ACRYLATE

Jing-zhi Zheng a; Xing-ping Zhou a; Ji-ru Ying a; Xiao-lin Xie a; Yiu-wing Mai c

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ENHANCED MECHANICAL PROPERTIES OF POLYPROPYLENE/SILICA NANOCOMPOSITES WITH SURFACE MODIFICATION OF NANO-SILICA VIA IN SITU COPOLYMERIZATION OF METHYL METHACRYLATE AND BUTYL ACRYLATE

Papers | Updated：2021-06-21

- ENHANCED MECHANICAL PROPERTIES OF POLYPROPYLENE/SILICA NANOCOMPOSITES WITH SURFACE MODIFICATION OF NANO-SILICA VIA IN SITU COPOLYMERIZATION OF METHYL METHACRYLATE AND BUTYL ACRYLATE
- ENHANCED MECHANICAL PROPERTIES OF POLYPROPYLENE/SILICA NANOCOMPOSITES WITH SURFACE MODIFICATION OF NANO-SILICA VIA IN SITU COPOLYMERIZATION OF METHYL METHACRYLATE AND BUTYL ACRYLATE
- 高分子科学（英文版） 2009年27卷第5期页码：685-694
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- 纸质出版：2009-09-20
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Jing-zhi Zheng a, Xing-ping Zhou a, Ji-ru Ying a, 等. ENHANCED MECHANICAL PROPERTIES OF POLYPROPYLENE/SILICA NANOCOMPOSITES WITH SURFACE MODIFICATION OF NANO-SILICA VIA IN SITU COPOLYMERIZATION OF METHYL METHACRYLATE AND BUTYL ACRYLATE[J]. 高分子科学（英文版）, 2009,27(5):685-694.

Jing-zhi Zheng a, b, Xing-ping Zhou a, et al. ENHANCED MECHANICAL PROPERTIES OF POLYPROPYLENE/SILICA NANOCOMPOSITES WITH SURFACE MODIFICATION OF NANO-SILICA VIA IN SITU COPOLYMERIZATION OF METHYL METHACRYLATE AND BUTYL ACRYLATE[J]. 2009, 27(5): 685-694.
Jing-zhi Zheng a, Xing-ping Zhou a, Ji-ru Ying a, 等. ENHANCED MECHANICAL PROPERTIES OF POLYPROPYLENE/SILICA NANOCOMPOSITES WITH SURFACE MODIFICATION OF NANO-SILICA VIA IN SITU COPOLYMERIZATION OF METHYL METHACRYLATE AND BUTYL ACRYLATE[J]. 高分子科学（英文版）, 2009,27(5):685-694. DOI：

Jing-zhi Zheng a, b, Xing-ping Zhou a, et al. ENHANCED MECHANICAL PROPERTIES OF POLYPROPYLENE/SILICA NANOCOMPOSITES WITH SURFACE MODIFICATION OF NANO-SILICA VIA IN SITU COPOLYMERIZATION OF METHYL METHACRYLATE AND BUTYL ACRYLATE[J]. 2009, 27(5): 685-694. DOI：

摘要

Nano-sized silica particles were modified with methacryloxy-propyltrimethoxysilane (MPS) followed by in situ copolymerization of methyl methacrylate (MMA) and butyl acrylate (BA). These modified nanoparticles were compounded with polypropylene (PP) to prepare PP/silica nanocomposites. PMMA grafted on nano-silica enhances the dispersion of the nanoparticles and interfacial adhesion

decreases the size of PP spherulites in nanocomposites and leads to increasing the Young’s modulus and toughness of PP/silica nanocomposites at the same time. PBA grafted on nano-silica further improves the dispersion and the interfacial interaction

decreases the size of PP spherulites in PP/silica nanocomposite and leads to further toughening the PP/silica nanocomposite. But

its low modulus decreases the modulus of the PP/silica nanocomposite. The nanocomposites with PP and nano-silica particles modified by P(MMA-co-BA) have balanced stiffness and toughness due to the moderate modulus and solubility parameter of P(MMA-co-BA).

Abstract

decreases the size of PP spherulites in PP/silica nanocomposite and leads to further toughening the PP/silica nanocomposite. But

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