A kind of microcellular foamed long carbon fiber reinforced pa11 material and preparation method thereof
A technology of long carbon fiber and microporous foaming, which is applied in the field of microporous foamed long carbon fiber reinforced PA11 material and its preparation, which can solve the problem of material weight reduction, lack of antistatic performance and low temperature resistance, and lack of biological sustainability and other issues, to achieve the effect of improving processing performance, good antistatic and heat insulation performance, and reducing material cost
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Embodiment 1
[0044]A kind of microcellular foaming long carbon fiber reinforced PA11 material, said material is made up of following components: viscosity is 75 parts of PA11 resins of 2.7, the maleic anhydride grafted EPDM of graft ratio 1.0% and graft ratio 1.0% 10 parts of composite toughening agent compounded by 0.7% maleic anhydride grafted POE at a ratio of 1:1, with a carbon content of 98%, a single filament diameter of 8 μm, a tensile strength of ≥3500 MPa, and a length of 10 to 15 mm 10 parts of long carbon fibers, 5 parts of composite wear-resistant lubricants formed by 1:1:1 combination of 200 mesh hollow silicon dioxide, 400 mesh calcium carbonate, and 800 mesh polytetrafluoroethylene, and the total processing weight is 5kg.
[0045] According to the total amount of processing, the mass of each component required is accurately weighed in proportion. First, PA11 resin is dried at 120°C for 4 hours, then PA11, toughener, and wear-resistant lubricant are put into a high-speed mixer...
Embodiment 2
[0047] A kind of microporous foam long carbon fiber reinforced PA11 material, said material is made up of following components: viscosity is 70 parts of PA11 resins of 2.45, the maleic anhydride grafted EPDM of graft rate 0.9% and graft rate 0.8% 10 parts of a composite toughening agent compounded by maleic anhydride grafted POE at a ratio of 1:1, long carbon fibers with a carbon content of 95%, a single filament diameter of 6 μm, a tensile strength ≥ 3500 MPa, and a length of 10 to 15 mm 15 parts, 5 parts of the composite wear-resistant lubricant that 200 purpose hollow silicon dioxide, 400 purpose calcium carbonate, 800 purpose polytetrafluoroethylene are combined by 1: 1: 1, processing total weight is 5kg.
[0048] According to the total amount of processing, the mass of each component required is accurately weighed in proportion. First, PA11 resin is dried at 120°C for 4 hours, then PA11, toughener, and wear-resistant lubricant are put into a high-speed mixer and mixed for ...
Embodiment 3
[0050] A kind of microporous foam long carbon fiber reinforced PA11 material, said material is made up of following components: viscosity is 80 parts of PA11 resins of 2.8, the maleic anhydride grafted EPDM of graft rate 1.2% and graft rate 1.0% 5 parts of composite toughening agent compounded by maleic anhydride grafted POE at a ratio of 1:1, long carbon fiber with a carbon content of 96%, a single filament diameter of 8 μm, a tensile strength ≥ 3500 MPa, and a length of 10 to 15 mm 12 parts, 3 parts of the composite wear-resistant lubricant that 200 purpose hollow silicon dioxide, 400 purpose calcium carbonate, 800 purpose polytetrafluoroethylene are combined by 1: 1: 1, processing total weight is 5kg.
[0051] According to the total amount of processing, the mass of each component required is accurately weighed in proportion. First, PA11 resin is dried at 120°C for 4 hours, then PA11, toughener, and wear-resistant lubricant are put into a high-speed mixer and mixed for 4 min...
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