Super-toughened nylon 66 nano composite material prepared by in situ compatibilization and preparation method thereof
A nano-composite material, nylon technology, applied in the field of materials, can solve the problems of low notched impact strength, poor dimensional stability, strong hygroscopicity, etc., and achieve the effects of high notched impact strength, good low temperature impact resistance, and low water absorption
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[0056] Example 1:
[0057] In-situ compatibilization preparation of super-tough nylon 66 nanocomposites is made by mixing the following raw materials: 90 parts by weight of nylon 66 (PA66), 10 parts of EPDM (EPDM), and dicumyl peroxide (DCP) 0.1 part, 1 part of maleic anhydride (MAH), 5 parts of organic montmorillonite (OMMT).
[0058] The method for preparing super-tough nylon 66 nanocomposite by in-situ compatibilization includes the following steps:
[0059] (1). Dissolve the initiators dicumyl peroxide (DCP) and maleic anhydride (MAH) in methyl ethyl ketone to obtain a mixed solution, and place it for later use;
[0060] (2) Put nylon 66 in a vacuum oven for drying treatment, control the oven temperature at 90°C for 4 hours, and place EPDM in a vacuum oven for drying treatment, control the oven temperature at 70°C for 4 hours, Then, the nylon 66 and EPDM are cooled to room temperature, and the dried nylon 66 and EPDM are uniformly mixed according to the above ratio to obtain a bl...
Example Embodiment
[0063] Example 2:
[0064] In-situ compatibilization preparation of the super-tough nylon 66 nanocomposite is made by mixing the following raw materials: 80 parts of nylon 66 (PA66), 20 parts of EPDM (EPDM), 2,5-dimethyl-2 , 5-Di-tert-butylperoxyhexane (L-101) 0.1 part, maleic anhydride (MAH) 1 part, organic montmorillonite (OMMT) 5 parts.
[0065] The method for preparing super-tough nylon 66 nanocomposite by in-situ compatibilization includes the following steps:
[0066] (1) Dissolve the initiator 2,5-dimethyl-2,5-di-tert-butylperoxyhexane (L-101) and maleic anhydride (MAH) in acetone to obtain a mixed solution, Set aside
[0067] (2) Put nylon 66 in a vacuum oven for drying treatment, control the oven temperature at 90°C for 4 hours, and place EPDM in a vacuum oven for drying treatment, control the oven temperature at 70°C for 4 hours, Then, the nylon 66 and EPDM are cooled to room temperature, and the dried nylon 66 and EPDM are uniformly mixed according to the above ratio to o...
Example Embodiment
[0070] Example 3:
[0071] In-situ compatibilization preparation of super-tough nylon 66 nanocomposites is made by mixing the following raw materials: 70 parts by weight of nylon 66 (PA66), 30 parts of EPDM (EPDM), 2,5-dimethyl-2 , 5-Di-tert-butylperoxyhexane (L-101) 0.1 part, maleic anhydride (MAH) 1 part, organic montmorillonite (OMMT) 5 parts.
[0072] The method for preparing super-tough nylon 66 nanocomposite by in-situ compatibilization includes the following steps:
[0073] (1) Dissolve the initiator 2,5-dimethyl-2,5-di-tert-butylperoxyhexane (L-101) and maleic anhydride (MAH) in acetone to obtain a mixed solution, Set aside
[0074] (2) Put nylon 66 in a vacuum oven for drying treatment, control the oven temperature at 90°C for 4 hours, and place EPDM in a vacuum oven for drying treatment, control the oven temperature at 70°C for 4 hours, Then, the nylon 66 and EPDM are cooled to room temperature, and the dried nylon 66 and EPDM are uniformly mixed according to the above rat...
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