High-thermal-conductivity antistatic high-temperature-resistant nylon composite material and preparation method thereof
A technology of nylon composite materials and thermally conductive fillers, which is applied in the field of composite materials, can solve the problems of poor antistatic performance, electrical conductivity and high temperature resistance, and achieve the effects of good electrical conductivity, reduced dosage, and increased heat distortion temperature
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Embodiment 8
[0043] The treatment method of thermal conductive filler is: mix thermal conductive filler with water, add SnCl 4 , adjust the pH value to 9, react at 70°C for 45min; filter and dry, then calcinate at 650°C for 3.5 hours, then fully cool the above-mentioned calcined thermal conductive filler, mix at high speed, and add 0.5% by weight of KH550 coupling agent Fully mixed to obtain the pretreated thermally conductive filler. Among them, thermally conductive filler, water and SnCl 4 The mass ratio is 10:30:2, and the pH regulator is 0.05mol / L of potassium hydroxide or 0.05mol / L of ammonia.
[0044]The preparation method of high thermal conductivity, antistatic and high temperature resistant nylon composite material is as follows: accurately weigh 100 parts of fully dried high temperature nylon resin PA9T, 15 parts of expanded graphite, 2 parts of treated thermal conductive filler potassium titanate whiskers, 10 parts of anti-oxidant Agent 1098 and lubricant pentaerythritol stear...
Embodiment 9
[0046] The treatment method of thermal conductive filler is: mix thermal conductive filler with water, add SnCl 4 , adjust the pH value to 9, react at 70°C for 45min; filter and dry, then calcinate at 650°C for 3.5 hours, then fully cool the above-mentioned calcined thermal conductive filler, mix at high speed, and add 0.5% by weight of KH550 coupling agent Fully mixed to obtain the pretreated thermally conductive filler. Among them, thermally conductive filler, water and SnCl 4 The mass ratio is 10:30:2, and the pH regulator is 0.05mol / L of potassium hydroxide or 0.05mol / L of ammonia.
[0047] The preparation method of high thermal conductivity, antistatic and high temperature resistant nylon composite material is as follows: accurately weigh 100 parts of fully dried high temperature nylon resin PA12T, 3 parts of expanded graphite, 22 parts of treated thermal conductive filler aluminum borate whiskers, 0.1 part of antioxidant 1098 and 1.5 parts of pentaerythritol stearate a...
Embodiment 10
[0049] The treatment method of thermal conductive filler is: mix thermal conductive filler with water, add SnCl 4 , adjust the pH value to 9, react at 70°C for 45min; filter and dry, then calcinate at 650°C for 3.5 hours, then fully cool the above-mentioned calcined thermal conductive filler, mix at high speed, and add 0.5% by weight of KH550 coupling agent Fully mixed to obtain the pretreated thermally conductive filler. Among them, thermally conductive filler, water and SnCl 4 The mass ratio is 10:30:2, and the pH regulator is 0.05mol / L of potassium hydroxide or 0.05mol / L of ammonia.
[0050] The preparation method of high thermal conductivity, antistatic and high temperature resistant nylon composite material is: accurately weigh 100 parts of fully dried high temperature nylon resin PA4T, 9 parts of expanded graphite, 20 parts of treated thermal conductive filler magnesium sulfate whiskers, 5 parts of antioxidant 1098 and 0.8 parts of pentaerythritol stearate as a lubrica...
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