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The Influence of Nano-SiO_2 on Tensile Property of PET Fiber

WU Jia-lin

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Abstract

PET/SiO2 nanocomposite prepared by in situ polymerization undergo the high speed melt spinning whose spinning temperatures are 15 ℃ lower than that o f pure PET. The draw region of filament and draw filament are 25 % and 10 % larg er respectively than that of pure PET. It can be concluded that the filaments co ntain nano- SiO2 take on better spinnability and tensile properties. The tempera ture of initial crystallization of the samples contain nano -SiO2, measured by p olarization and DSC, are 15 ℃ lower than that of pure PET. An SEM pattern shows that there are some micro-apertures distribute equably on the surface of PET fi lament, which is expected to good affect on dyeing.

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What this paper is about

PET/SiO2 nanocomposite prepared by in situ polymerization undergo the high speed melt spinning whose spinning temperatures are 15 ℃ lower than that o f pure PET. The draw region of filament and draw filament are 25 % and 10 % larg er respectively than that of pure PET. It can be concluded that the filaments co ntain nano- SiO2 take on better spinnability and tensile properties. The tempera ture of initial crystallization of the samples contain nano -SiO2, measured by p olarization and DSC, are 15 ℃ lower than that of pure PET. An SEM pattern shows that there are some micro-apertures distribute equably on the surface of PET fi lament, which is expected to good affect on dyeing.

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Available abstract

PET/SiO2 nanocomposite prepared by in situ polymerization undergo the high speed melt spinning whose spinning temperatures are 15 ℃ lower than that o f pure PET. The draw region of filament and draw filament are 25 % and 10 % larg er respectively than that of pure PET. It can be concluded that the filaments co ntain nano- SiO2 take on better spinnability and tensile properties. The tempera ture of initial crystallization of the samples contain nano -SiO2, measured by p olarization and DSC, are 15 ℃ lower than that of pure PET. An SEM pattern shows that there are some micro-apertures distribute equably on the surface of PET fi lament, which is expected to good affect on dyeing.

Key concepts: Materials science, Ultimate tensile strength, Spinning, Composite material, Protein filament, Nano-, Nanocomposite, Fiber

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