玄武岩织物增强聚乳酸复合材料的制备及其拉伸断裂性能

doi:10.13475/j.fzxb.20180405905

Abstract

Abstract:

In order to improve the mechanical properties of polylactic acid(PLA)composites, basalt fabric(BF)reinforced polylactic acid composites were prepared by vacuum infusion method. The effects of mass fraction of coupling agent KH550, laying angle and the layer number on the properties of the composite were studied, and the fracture morphology of the composite after tensile test was observed by scanning electron microscope. The results show that the tensile fracture strength of the composite increased first and then decreased with the increase of KH550 mass fraction. The best treatment effect of KH550 was 3%, the tensile strength of composite was increased to 82 MPa, and the section of the composite was neat after tensile test. The tensile fracture performance of the composite was better when the laying angle were 0° and 90°, and the worst was 45°, and the phenomenon of interlaminar separation was obvious. Meanwhile, with increase of the layer number of basalt fabric in a certain range, the tensile fracture strength of the composite risse.

Key words: basalt fabric, poly lactic acid, composite, coupling agent KH550, laying angle, layer number, tensile fracture property

CLC Number:

TB332

YU Juanjuan, LIU Shuqiang, WU Gaihong, YIN Xiaolong. Preparation and tensile fracture properties of basalt fabric reinforced polylactic acid composites[J].Journal of Textile Research, 2019, 40(02): 82-86.

Figures/Tables 5

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