| abstract |
The invention provides a COC/PA composite material and a preparation method thereof. The material is prepared from the following raw materials by weight: 50-80 parts of polyamide, 20-50 parts of cyclic olefin copolymer, and 2-5 parts of compatibilizer , 2~5 parts of silicone powder, 3-8 toughening agent. The present invention utilizes the high strength, high rigidity and high temperature resistance of COC, and blends it with the PA material to achieve the purpose of improving the rigidity and heat resistance of the PA material; in addition, COC is an amorphous transparent material with a cyclic structure. Olefin-based copolymer polymers, when used in conjunction with a compatibilizer, can eliminate the problem of compatibility with PA and play a reinforcing role in the material. |