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Regenerated MC nylon composite material and preparation method thereof

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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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

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 products, but also reduces the weight of products. Conveying pipelines in chemical industry, metallurgy, mining and other industries

Method used

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  • Regenerated MC nylon composite material and preparation method thereof
  • Regenerated MC nylon composite material and preparation method thereof
  • Regenerated MC nylon composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] After drying 57.5kg, MC regenerated 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 Add carbon black masterbatch and 7kg molybdenum disulfide as the carrier to the high-speed mixer, stir well and then add to the main feeder of the twin-screw extruder, and add 25kg of glass fiber to the side feeder of the twin-screw extruder In the device, it is granulated by a twin-screw extruder, the speed of the host is 600r / min, the feeding temperature is 240-280°C, and the vacuum pressure is controlled at 0.06-0.08Mpa.

Embodiment 2

[0034] Dry 56.6kg of regenerated MC nylon resin (relative viscosity 2.6, moisture content 1‰), 0.2kg of antioxidant 1010, 0.2kg of antioxidant 168, 6kg of EPDM-g-MAH, 0.5kg of oxidized polyethylene wax, 1.5kg of Nylon as the carrier of nigrosine masterbatch and 10kg of ultra-high molecular weight polyethylene are added to the high-speed mixer, and after stirring evenly, they are added to the main feeder of the twin-screw extruder, and 25kg of glass fiber is added to the main feeder of the twin-screw extruder. In the side feeder, it is granulated by a twin-screw extruder, the speed of the main machine is 600r / min, the feeding temperature is 240-280°C, and the vacuum pressure is controlled at 0.06-0.08MPa.

Embodiment 3

[0036] 55.3kg dried regenerated MC nylon resin (relative viscosity 2.4, moisture content 1‰), 0.2kg antioxidant 1098, 0.2kg antioxidant 168, 5kgSEBS-g-MAH, 0.8kg ethylene bisstearamide, 1.5 Add kg Wuwei carrier carbon black masterbatch, 12kg polytetrafluoroethylene into the high-speed mixer, stir evenly and add to the main feeder of the twin-screw extruder, add 25kg of glass fiber to the side feeder of the twin-screw extruder In the feeder, it is granulated by a twin-screw extruder, the speed of the main machine is 600r / min, the feeding temperature is 240-280°C, 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...

Claims

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Application Information

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IPC IPC(8): C08L77/00C08L51/06C08L23/06C08L27/18C08K13/04C08K7/14C08K3/30C08K3/04C08K3/22B29C47/92B29C48/92
CPCB29C47/0011B29C47/92B29C47/6087B29B9/06B29C48/402B29C48/655B29C48/92B29C2948/92514B29C2948/9259B29C2948/92704C08K2201/003C08L77/00C08L2201/08C08L2205/03C08L2205/035C08L2207/20C08L51/06C08L83/04C08K13/04C08K5/20C08K5/526C08K3/04C08K2003/3009C08K7/14C08L51/04C08L23/30C08L23/06C08K5/1345C08L51/00C08L27/18B29C48/04B29C48/40B29C48/625
Inventor 陆建华蒋东升
Owner NINGBO EAGLE NEW MATERIAL
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