Modified thermal-oxidative aging resistant nylon and preparation process thereof
A preparation process and modification technology are applied in the field of modified heat-resistant oxygen aging nylon for automobiles and its preparation process, which can solve the problems of low friction coefficient, achieve good corrosion resistance, improve deformation resistance and aging resistance, Strength-enhancing effect
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specific Embodiment 1
[0025] Modified heat and oxygen aging-resistant nylon for automobiles, including the following components in parts by weight: 6660 parts of nylon, 30 parts of long glass fiber, 1 part of toughening agent, 3 parts of compatibilizer, 2 parts of main antioxidant, auxiliary antioxidant 1.5 parts of oxygen agent, 0.5 parts of heat stabilizer, and 2 parts of coupling agent.
specific Embodiment 2
[0027] Modified heat and oxygen aging-resistant nylon for automobiles, including the following components in parts by weight: 6654 parts of nylon, 35 parts of long glass fiber, 1 part of toughening agent, 3.5 parts of compatibilizer, 2 parts of main antioxidant, auxiliary antioxidant 1.5 parts of oxygen agent, 0.5 parts of heat stabilizer, and 2.5 parts of coupling agent.
specific Embodiment 3
[0029] Modified heat and oxygen aging-resistant nylon for automobiles, including the following components in parts by weight: 6648 parts of nylon, 40 parts of long glass fiber, 1 part of toughening agent, 4 parts of compatibilizer, 2 parts of main antioxidant, auxiliary antioxidant 1.5 parts of oxygen agent, 0.5 parts of heat stabilizer, and 3 parts of coupling agent.
[0030] Control group:
[0031] The high-strength PA66 composite material includes the following components in parts by weight: 6692 parts of nylon, 2 parts of toughening agent, 3 parts of primary antioxidant, 2 parts of secondary antioxidant, and 1 part of heat stabilizer.
[0032] In above-mentioned each embodiment, the length of long glass fiber is 0.6mm; Nylon 66 viscosity is 2.6; Coupling agent is the aminosilane coupling agent that concentration is 5%; Toughening agent is the vinyl octane of maleic anhydride graft modification ethylene copolymer, styrene-butadiene-styrene triblock copolymer, styrene-ethyl...
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