Mechanical Properties Effect of Wood-plastic Composite by Basalt Fiber and MAPE

Abstract

In order to protect biological resources, this article explores the use of tensile and bending tests and Thermogravimetry (TG), thermal differential scanning (DSC) and other experimental studies. The compatibilizer maleic anhydride grafted high-density polyethylene (MAPE) improves the mechanical properties of chopped basalt fiber (SBF, 20% by mass) and reinforces wood-plastic composites (WPC). The results show that: 1) WPC with a length of 6mmSBF, when the MAPE content is 5∼6%, its tensile breaking strength and bending strength achieve the best results, of which the breaking strength is increased by about 90% compared with pure wood plastic; (2) Since the tensile and bending strength of MAPE itself is roughly similar to HDPE, when the content of MAPE is greater than 9%, it acts as a matrix HDPE. In addition to the plasticity continues to be improved, its strength index is gradually decreasing. 3) When the MAPE content is 6%, the TG curve has the slowest thermal weight loss and the DSC has the highest melting peak temperature, which means that the composite material is difficult to melt, and the bonding between the components in the material is firm, thereby having better mechanics. The performance also confirmed the results of mechanical testing.