Preparation and properties of LGF/ER/TPU/PMMA composites

被引：6

作者：

Guo, Jianbing ^{[1
]}

Zhang, Daohai ^{[1
]}

Shao, Huiju ^{[1
]}

Zhang, Kaizhou ^{[1
]}

Wu, Bin ^{[2
]}

机构：

[1] Natl Engn Res Ctr Compounding & Modificat Polymer, Guiyang 550003, Peoples R China

[2] Guizhou Kumkuat Mat Ltd, Guiyang 550014, Peoples R China

来源：

SCIENCE AND ENGINEERING OF COMPOSITE MATERIALS | 2015年 / 22卷 / 01期

关键词：

composites; dynamic mechanical properties; long glass fibers; poly(methyl methacrylate); thermoplastic polyurethane elastomers; FIBER-REINFORCED POLYPROPYLENE; INJECTION-MOLDED LONG; GLASS-TRANSITION; DIELECTRIC-RELAXATION; MECHANICAL-PROPERTIES; LENGTH; PP; BEHAVIOR;

D O I：

10.1515/secm-2013-0186

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

A series of long glass fiber (LGF)-reinforced epoxy resin (ER), thermoplastic polyurethane (TPU) elastomers, and poly(methyl methacrylate) (PMMA) composites were prepared by using self-designed impregnation device. Dynamic mechanical properties of the LGF/ER/TPU/PMMA composites have been investigated by using dynamic mechanical thermal analysis (DMA). The results indicated that the content of PMMA and TPU and scanning frequency had important influence on dynamic mechanical properties and glass transition of the LGF/ER/TPU/PMMA composites. In addition, the Arrhenius relationship has been used to calculate the activation energy of a-transition of the LGF/ER/TPU/PMMA composites. The thermal properties of the LGF/ER/TPU/PMMA composites were studied by thermogravimetric analysis (TGA). Morphology and mechanical properties of the composites are investigated by scanning electron microscopy (SEM), a universal testing machine, and a ZBC-4 Impact Pendulum.

引用

页码：17 / 23

页数：7

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