Montmorillonite layered nylon6/montmorillonite nano composite material and preparation thereof
A nano-composite material and montmorillonite technology are applied in the field of layered nylon 6/montmorillonite nano-composite materials and their preparation, which can solve the problems that do not involve the preparation of layered nylon 6, etc. simple method effect
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Embodiment 1
[0028] Pre-blended 1000g of dry nylon 6, 30g of modified montmorillonite, and 2g of antioxidant 1010, melted and blended twice on a twin-screw extruder with a four-stage temperature range of 125-255°C, and granulated to obtain montmorillonite Intercalated nanocomposites with 3% soil content. Vacuum dry in a drum oven at a constant temperature of 110°C for 7 hours. After being processed by an injection molding machine (outlet temperature 230°C, mold temperature 20°C, melt pressure 60.0bar), the preformed sample is placed in a rectangular mold with a piston, and the temperature is constant. 80°C, apply a pressure of 650Mpa with a flat vulcanizer, and keep the pressure for 5 minutes. The sample is taken out from the mold, and the nylon 6 / montmorillonite nanocomposite material with special microscopic morphology is obtained. The tensile elongation at break of the material is 131%; its low-temperature ultrathin section can be observed under the transmission electron microscope to ...
Embodiment 2
[0030] 1500g of nylon 6, 75g of modified montmorillonite, and 3g of antioxidant 1010 were pre-blended, melted, blended and granulated twice through a twin-screw extruder to obtain a nanocomposite material containing 5% of montmorillonite. Vacuum dry in a drum oven at a constant temperature of 100°C for 6 hours. After being processed by an injection molding machine (outlet temperature 230°C, mold temperature 40°C, melt pressure 80.0bar), the preformed strip is placed in a rectangular mold with a piston, and the temperature is constant. 40°C, apply a pressure of 800Mpa with a flat vulcanizer, and keep the pressure for 10 minutes. The sample was taken out from the mold, and a nylon 6 / montmorillonite nanocomposite material with special microscopic morphology was obtained. The tensile elongation at break of the material is 176%; its cryogenic ultrathin section can be observed under the transmission electron microscope that the montmorillonites are arranged parallel to each other (F...
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