A preparation method of titanium dioxide-silane coupling agent synergistically strengthened carbon cloth reinforced resin-based friction material
A technology of silane coupling agent and reinforced resin base, which is applied in the direction of chemical instruments and methods, carbon fiber, and other chemical processes, and can solve the problem of strict temperature and pressure system requirements, difficulty in achieving optimal curing reaction conditions, and chemical modification. Can not be fully utilized and other problems, to achieve the effect of improving the tribological properties of the material, improving the wear resistance and friction stability of the material, and reducing the amount of wear
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Embodiment 1
[0033] Step 1: Catalytic oxidation of carbon cloth surface
[0034] Take 200mL of hydrogen peroxide with a mass concentration of 30%, add nickel nitrate hexahydrate to it, and fully stir a 0.05mol / L nickel nitrate solution, place the carbon after soaking and washing in ethanol or acetone in the nickel nitrate solution for 24 hours, and then rinse with deionized water Fully washed and dried at 100°C to obtain carbon cloth with surface catalytic oxidation;
[0035] Step 2: Hydrothermal Growth
[0036] The surface catalyzed and oxidized carbon was arranged in a mixed solution of deionized water: concentrated hydrochloric acid: isopropanol: butyl titanate with a volume ratio of 33:8:5:0.5, and placed in a homogeneous hydrothermal instrument at 150°C Wash and dry after hydrothermal treatment for 5 hours to obtain titanium dioxide-carbon cloth;
[0037] Step 3: Strengthening with silane coupling agent
[0038] The titanium dioxide-carbon cloth was oxidized again with concentrated...
Embodiment 2
[0042] Step 1: Catalytic oxidation of carbon cloth surface
[0043] Take 200mL of hydrogen peroxide with a mass concentration of 30%, add nickel nitrate hexahydrate to it and fully stir a 0.5mol / L nickel nitrate solution, place the carbon after soaking and washing in ethanol or acetone in the nickel nitrate solution for 24 hours, and then rinse with deionized water Fully washed and dried at 100°C to obtain carbon cloth with surface catalytic oxidation;
[0044] Step 2: Hydrothermal Growth
[0045] The surface catalyzed and oxidized carbon was arranged in a mixed solution of deionized water: concentrated hydrochloric acid: isopropanol: butyl titanate with a volume ratio of 33:15:5:0.5, and placed in a homogeneous hydrothermal instrument at 150°C Wash and dry after hydrothermal treatment for 5 hours to obtain titanium dioxide-carbon cloth;
[0046] Step 3: Strengthening with silane coupling agent
[0047] The titanium dioxide-carbon cloth was oxidized again with concentrated ...
Embodiment 3
[0051]Step 1: Catalytic oxidation of carbon cloth surface
[0052] Take 200mL of hydrogen peroxide with a mass concentration of 30%, add nickel nitrate hexahydrate to it, and fully stir the 0.1mol / L nickel nitrate solution, place the carbon after soaking and washing in ethanol or acetone in the nickel nitrate solution for 24 hours, then wash with deionized water Fully washed and dried at 100°C to obtain carbon cloth with surface catalytic oxidation;
[0053] Step 2: Hydrothermal Growth
[0054] The surface catalyzed and oxidized carbon was arranged in a mixed solution of deionized water: concentrated hydrochloric acid: isopropanol: butyl titanate with a volume ratio of 33:10:5:0.5, and placed in a homogeneous hydrothermal instrument at 150°C Wash and dry after hydrothermal treatment for 5 hours to obtain titanium dioxide-carbon cloth;
[0055] Step 3: Strengthening with silane coupling agent
[0056] The titanium dioxide-carbon cloth was oxidized again with concentrated nit...
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