Toughening nylon 6 and preparation method thereof
A nylon and toughening technology, applied in the field of toughening nylon 6 and its preparation, can solve the problems of unstable nylon 6 structure and mechanical properties, and achieve the effects of low cost, simple processing equipment and good compatibility
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[0049] Provide a kind of preparation method of toughened nylon 6 below, its step comprises:
[0050] Step 110, placing the set amount of additives in a high-speed mixer, stirring, and vacuum drying;
[0051] When the additive is selected from toughener phosphate compounds, antioxidants, inorganic powders, and UV absorbers, this step can be: a certain proportion of nano-scale inorganic powders, phosphate compounds, antioxidants, and UV absorbers The absorbent is added to a high-speed mixer and stirred at room temperature for 10-30 minutes, and dried in a vacuum oven at 105°C for 10 hours.
[0052] Step 120, adding the vacuum-dried additive and the dried nylon 6 to the screw extruder respectively, melt-blending, and extruding the toughened nylon 6.
[0053] Specifically: Add the additive mixture obtained in step 110 and the dried nylon 6 to the screw extruder through the feeding device for melt blending. °C, 240-250 °C, 240-250 °C, 210-240 °C, 200-240 °C. The screw speed of t...
Embodiment 1
[0057] Stir 1 part of nano-titanium dioxide, 97 parts of pentaerythritol phosphate, 1 part of antioxidant 1010 and 1 part of UV absorber seed in a high-speed mixer for 10 minutes, and dry the mixture in a vacuum oven at 100°C for 3 hours to obtain the additive. Put the dried additives and nylon 6 slices into the feeding screw silos respectively, the addition amount of metered additives is 2%, the addition amount of nylon 6 slices is 98%, and the product PA6-1# is obtained by twin-screw blending.
[0058] 1 serving is 20 grams, the same below.
Embodiment 2
[0060] Stir 1 part of nano-titanium dioxide, 97 parts of pentaerythritol phosphate, 1 part of antioxidant 1010 and 1 part of UV absorber seed in a high-speed mixer for 10 minutes, and dry the mixture in a vacuum oven at 100°C for 3 hours to obtain the additive. Put the dried additive and nylon 6 slices into the feeding screw silos respectively, the addition amount of the metered additive is 5%, and the addition amount of nylon 6 slices is 95%, and the product PA6-2# is obtained by twin-screw blending.
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