High-gloss extrusion-grade glass-fiber-reinforced nylon 66 composite material and preparation method thereof
A composite material and nylon technology, which is applied in the field of nylon 66 composite material and its preparation, can solve problems such as low melt strength, affect the apparent quality of products, and low relative viscosity, and achieve the effect of expanding the application range
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[0031] Example 1
[0032] The content of each component by weight:
[0033] 100 parts of nylon (PA66),
[0034] 30 parts of glass fiber,
[0035] 5 parts of inorganic filler (glass beads),
[0036] Compatibility agent (POE-g-MAH) 10 parts,
[0037] 1.5 parts of coupling agent (KH550),
[0038] Chain extender (polyethylene glycol epoxy resin) 0.8 parts,
[0039] Antioxidant four ([β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid] pentaerythritol ester)` 1 part;
[0040] Lubricant (TAF) 0.7 parts;
[0041] According to the content of the above weight parts, the nylon resin, inorganic filler, compatibilizer, silane coupling agent, chain extender, and other additives are put into the high-speed mixer for high-speed mixing, and the material is fed to the hopper of the extruder. The glass fiber port of the extruder is added, and the temperature of each zone (from the feed port to the extruder die) is controlled to 240℃, 260℃, 270℃, 280℃, 285℃, and the main engine speed is 50 Hz. The composit...
Example Embodiment
[0043] Example 2
[0044] The content of each component by weight
[0045] 100 parts of nylon (PA66),
[0046] 60 parts of glass fiber,
[0047] Inorganic filler (talc) 8 parts,
[0048] Compatibility agent (PP-g-GMA) 18 parts,
[0049] Silane coupling agent (KH560) 2 parts,
[0050] Chain extender (MDI) 1.2 parts,
[0051] Antioxidant (N,N'-bis-(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyl)hexamethylene diamine) 0.8 parts,
[0052] Lubricant (ethylene-acrylic acid copolymer) 1 part;
[0053] According to the content of the above weight parts, the nylon resin, inorganic filler, compatibilizer, silane coupling agent, chain extender, and other additives are put into the high-speed mixer for high-speed mixing, and the material is fed to the hopper of the extruder. The glass fiber port of the extruder is added, and the temperature of each zone (from the feed port to the die of the extruder) is controlled to 255℃, 260℃, 270℃, 280℃, 290℃, the main engine speed is 35 Hz, and it is extruded by tw...
Example Embodiment
[0055] Example 3
[0056] The content of each component by weight
[0057] 100 parts of nylon (PA66),
[0058] 10 parts of glass fiber,
[0059] 40 parts of inorganic filler (mica powder),
[0060] Compatibilizer 0 parts,
[0061] 5 parts of silane coupling agent (KH-151),
[0062] Chain extender (TDI) 5 parts,
[0063] Antioxidant ([β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid] pentaerythritol ester: tris[2.4-di-tert-butylphenyl] phosphite = 1:1) 0.6 part ,
[0064] Lubricant 0 parts;
[0065] According to the content of the above weight parts, the nylon resin, inorganic filler, compatibilizer, silane coupling agent, chain extender, and other additives are put into the high-speed mixer for high-speed mixing, and the material is fed to the hopper of the extruder. The glass fiber port of the extruder is added, and the temperature of each zone (from the feed port to the extruder die) is controlled to 260°C, 280°C, 290°C, 285°C, 280°C, and the main engine speed is 30 Hz. The compositi...
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