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MORPHOLOGY AND PROPERTIES OF LINEAR LOW-DENSITY POLYETHYLENE HIGHLY LOADED WITH ALUMINUM HYDROXIDE
引用本文:Gen-lin Wang,Ping-kai Jiang,Zi-kang Zhu,Jie Yin School of Chemistry and Chemical Engineering Shanghai Jiaotong University Shanghai 200240 China. MORPHOLOGY AND PROPERTIES OF LINEAR LOW-DENSITY POLYETHYLENE HIGHLY LOADED WITH ALUMINUM HYDROXIDE[J]. 高分子科学, 2002, 0(3): 253-259
作者姓名:Gen-lin Wang  Ping-kai Jiang  Zi-kang Zhu  Jie Yin School of Chemistry and Chemical Engineering Shanghai Jiaotong University Shanghai 200240 China
摘    要:An experimental study was carried out to investigate the effects of isopropoxy tri(dioctyl pyrophosphoryl) titanatecoupling agent on the mechanical performance, rheological property and microstructures of polyethylene highly loaded withaluminum hydroxide (Al(OH)_3) composite. It was found that the addition of coupling agent results in reduced tensile strengthand increased percentage elongation of the filled systems. Silane crosslinkable polyethylene substituting for polyethylene asmatrix improves the tensile strength of the composite, while the percentage elongation of the composite still remains at adesired level. Melt viscosity of the composite will be improved by addition of titanate coupling agent. Microstructures of thecomposites were also studied by means of the scanning electron microscopy (SEM) technique. SEM micrographs reveal thatfiner dispersion of Al(OH)_3 will be obtained upon treatment of titanate and a transition from brittle to tough fracture takesplace before and after silane crosslinking structure is introduced into polyethylene highly filled with Al(OH)_3 composite.

收稿时间:2001-06-14
修稿时间:2001-09-27

MORPHOLOGY AND PROPERTIES OF LINEAR LOW-DENSITY POLYETHYLENE HIGHLY LOADED WITH ALUMINUM HYDROXIDE
Gen-lin Wang,Ping-kai Jiang,Zi-kang Zhu,Jie Yin. MORPHOLOGY AND PROPERTIES OF LINEAR LOW-DENSITY POLYETHYLENE HIGHLY LOADED WITH ALUMINUM HYDROXIDE[J]. Chinese Journal of Polymer Science, 2002, 0(3): 253-259
Authors:Gen-lin Wang  Ping-kai Jiang  Zi-kang Zhu  Jie Yin
Affiliation:Gen-lin Wang;Ping-kai Jiang;Zi-kang Zhu;Jie Yin School of Chemistry and Chemical Engineering Shanghai Jiaotong University Shanghai 200240 China
Abstract:An experimental study was carried out to investigate the effects of isopropoxy tri(dioctyl pyrophosphoryl) titanatecoupling agent on the mechanical performance, rheological property and microstructures of polyethylene highly loaded withaluminum hydroxide (Al(OH)_3) composite. It was found that the addition of coupling agent results in reduced tensile strengthand increased percentage elongation of the filled systems. Silane crosslinkable polyethylene substituting for polyethylene asmatrix improves the tensile strength of the composite, while the percentage elongation of the composite still remains at adesired level. Melt viscosity of the composite will be improved by addition of titanate coupling agent. Microstructures of thecomposites were also studied by means of the scanning electron microscopy (SEM) technique. SEM micrographs reveal thatfiner dispersion of Al(OH)_3 will be obtained upon treatment of titanate and a transition from brittle to tough fracture takesplace before and after silane crosslinking structure is introduced into polyethylene highly filled with Al(OH)_3 composite.
Keywords:Polyethylene  Aluminum hydroxide  Organic titanate  Silane  Crosslink
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