Biodegradable glass fiber reinforced polylactic acid composite material

Abstract

The invention relates to a degradable glass fiber reinforced composite material. The composite material is prepared from, by weight, 45-55 parts of polylactic acid, 40 parts of glass fibers, 1.5-5 parts of a filler, 1.5-5 parts of a silane coupling agent, 0.5-3 parts of an antioxidant and 0.1-1 part of a lubricant. Engine bottom guard boards made of the composite material can be completely recycled after full life cycle, so the energy saving and emission reduction effects are substantial. The composite material has the advantages of simple process and energy consumption reduction; the formula of the material is flexible to design and can be customized according to performance demands of target parts, that is, different mechanical, processing and other functional requirements can be met by using different reinforcing materials and different proportions; the protruding mechanical performances, the good heat resistance and the workability of the parts can be guaranteed in the molding process of the automobile parts; and the parts made of the material have low VOC discharge, and are safe and nontoxic.

Description

technical field [0001] The invention relates to the field of materials, in particular to a degradable glass fiber reinforced composite material. Background technique [0002] The car engine guard is an engine protection part designed according to various models. It can keep the engine compartment clean, prevent road water and dust from entering the engine compartment; Knock on the engine; prevent the engine from being scratched by uneven roads and hard objects. [0003] The material used for the engine underguard is quite extensive. Some vehicles use hard plastic and resin guard plates. Although the production process is simple, the guard plates of this material are relatively easy to break in winter. Some vehicles use metal bottom guards. Compared with non-metallic bottom guards, the weight of the whole vehicle is increased, which does not meet the requirements of "energy saving and emission reduction" advocated by the current society. At the same time, metal materials ca...

AI Technical Summary

Problems solved by technology

Some vehicles use hard plastic and resin guard plates. Although the production process is simple, the guard plates of this material are relatively easy to break in winter

Some vehicles use metal bottom guards. Compared with non-metallic bottom guards, the weight of the whole vehicle is increased, which does not meet the requirements of "energy saving and emission reduction" advocated by the current society. At the same time, metal materials cannot be scrapped and recycled. , resulting in a large waste of social resources and energy

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