Modified nylon material with high smooth surface level, and preparation method
A modified material and nylon technology, applied in the field of high-gloss surface grade nylon modified materials and their preparation, can solve the problems of high material shrinkage, low material strength, hardness and toughness, and failure to meet the quality requirements of high-gloss surface products. Achieve the effect of smooth surface, reduced processing technology and molding temperature, and easy processing
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Embodiment 1
[0040] Embodiment 1 (by weight percentage, following embodiment is identical)
[0041] PA66-66.55, PA6-3, calcium silicate 1250 mesh 20, antioxidant 0.25, slip agent 0.2 were pre-stirred in a mixing tank for 6 minutes, and then extruded by twin-screw to granulate, while adding long glass fiber 10. The processing technology is 240-250℃ in the first zone, 245-250℃ in the second zone, 250-260℃ in the third zone, 250-260℃ in the fourth zone, 250-260℃ in the fifth zone, 235-250℃ in the sixth zone, and 230-230- 245°C.
Embodiment 2
[0043] PA66-61.55, PA6-8, calcium silicate 1250 mesh 20, antioxidant 0.25, slip agent 0.2 were pre-stirred in a mixing tank for 6 minutes, and then extruded by twin-screw to granulate, while adding long glass fiber 10. The processing technology is 240-250℃ in the first zone, 245-250℃ in the second zone, 250-260℃ in the third zone, 250-260℃ in the fourth zone, 250-260℃ in the fifth zone, 235-250℃ in the sixth zone, and 230-230 in the seventh zone. 245°C.
Embodiment 3
[0045] PA66-66.55, PA6-3, calcium silicate 1250 mesh 25, antioxidant 0.25, slip agent 0.2 were pre-stirred in a mixing tank for 6 minutes, and then extruded by twin-screw to granulate, while adding long glass fiber 5. The processing technology is 240-250℃ in the first zone, 245-250℃ in the second zone, 250-260℃ in the third zone, 250-260℃ in the fourth zone, 250-260℃ in the fifth zone, 235-250℃ in the sixth zone, and 230-230 in the seventh zone. 245°C.
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