Regenerated MC nylon composite material and preparation method thereof
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A technology of nylon composite material and nylon resin, which is applied in the field of polymer composite material preparation to achieve the effects of ensuring normal production, improving wear resistance, and convenient production
Inactive Publication Date: 2014-08-27
NINGBO EAGLE NEW MATERIAL
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However, since MC nylon, as a kind of thermosetting property, will produce a large amount of leftovers during use, how to realize the high value-added recycling of MC nylon resin is a serious problem facing the society.
[0003] MC nylon modified mater
Method used
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[0031] Example 1
[0032] After drying 57.5kg, MC raw nylon resin (relative viscosity 2.8, moisture content 1‰), 0.2kg antioxidant 1098, 0.2kg antioxidant 168, 8kgPOE-g-MAH, 0.6kg silicone, 1.5kg nylon The carbon black masterbatch as the carrier and 7kg molybdenum disulfide are added to the high-speed mixer. After stirring, they are added to the main feeder of the twin-screw extruder. 25kg of glass fiber is added to the side feed of the twin-screw extruder. In the device, granulation is made by a twin-screw extruder, the speed of the main machine is 600r / min, the temperature is 240-280℃, and the vacuum pressure is controlled at 0.06-0.08Mpa.
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[0033] Example 2
[0034] After drying 56.6kg recycled MC nylon resin (relative viscosity 2.6, moisture content 1‰), 0.2kg antioxidant 1010, 0.2kg antioxidant 168, 6kg EPDM-g-MAH, 0.5kg oxidized polyethylene wax, 1.5kg The nigrosine masterbatch with nylon as the carrier and 10kg of ultra-high molecular weight polyethylene are added to the high-speed mixer. After stirring, they are added to the main feeder of the twin-screw extruder. 25kg of glass fiber is added to the twin-screw extruder. In the side feeder, pellets are made by a twin-screw extruder, the speed of the main machine is 600r / min, the feeding temperature is 240-280℃, and the vacuum pressure is controlled at 0.06-0.08MPa.
Example Embodiment
[0035] Example 3
[0036] After drying 55.3kg, regenerate MC nylon resin (relative viscosity 2.4, moisture content 1‰), 0.2kg antioxidant 1098, 0.2kg antioxidant 168, 5kg SEBS-g-MAH, 0.8kg ethylene bisstearamide, 1.5 Kg non-carrier carbon black masterbatch, 12kg polytetrafluoroethylene were added to the high-speed mixer, and then added to the main feeder of the twin-screw extruder after mixing, and 25kg glass fiber was added to the side feed of the twin-screw extruder The feeder is granulated by a twin-screw extruder, the speed of the main machine is 600r / min, the temperature is 240-280℃, and the vacuum pressure is controlled at 0.06-0.08MPa.
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Abstract
The invention relates to a regenerated MC nylon composite material which is prepared from the following raw materials in percentage by mass: 34.9%-67.3% of regenerated MC nylon resin, 25%-35% of glass fiber, 4%-10% of flexibilizer, 0.2%-0.6% of antioxidant, 0.5%-1.5% of lubricant, 1.0%-3.0% of black master batch, and 7%-15% of anti-wear agent. A preparation method for the regenerated MC nylon composite material comprises the following steps: a step I of drying; a step II of raw material proportioning; a step III of uniformly stirring; a step IV of extruding and pelletizing. According to the regenerated MC nylon composite material provided by the invention, mechanical performances, heat resistance and wear resistance of the regenerated MC nylon composite material are greatly improved by virtue of compounding effect of various functional auxiliaries and special screw combination; at present, the product is successfully applied to conveying pipelines in the industries such as petrol, chemical engineering, metallurgy, mine, and the like. The preparation method is simple in process, high in continuous production efficiency and stable in product quality.
Description
【Technical field】 [0001] The invention relates to the technical field of polymer composite material preparation, and more specifically relates to a regenerated MC nylon composite material and a preparation method thereof. 【Background technique】 [0002] As one of engineering plastics, MC nylon products are "replacing steel with plastic, with excellent performance" and have a wide range of uses. It has many unique properties such as light weight, high strength, self-lubricating, wear-resistant, anti-corrosion, insulation, etc. It is a widely used engineering plastic and is used in almost all industrial fields. However, since MC nylon, as a kind of thermosetting property, will produce a large amount of leftovers during use, how to realize the high value-added recycling of MC nylon resin is a serious problem facing the society. [0003] MC nylon modified materials have achieved the purpose of "replacing steel with plastic" in many fields, which not only reduces the cost of pro...
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