| abstract |
The invention provides a kind of PLA graphene composite material, it is characterised in that it is made up of the raw material of following parts by weight：50~100 parts of PLA, 4~10 parts of chitosan, 2~8 parts of graphene nanometer sheet, 5~15 parts of carbon fiber, 8~16 parts of glass fibre, 5~10 parts of wollastonite in powder, 1~5 part of Ludox, 1~5 part of four glycidyl amine of MDA, 1~3 part of silane coupler；Wherein, the specific surface area of the graphene nanometer sheet reaches 80~100m 2 / g, and treated by the glycidyl amine of MDA four.The present invention also provides a kind of preparation method of above-mentioned PLA graphene composite material.PLA graphene composite material provided by the invention has the advantages of excellent toughness, resistance to elevated temperatures are good, comprehensive mechanical intensity is high. |