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High-gloss, low-smell, reinforced nylon composite material and preparation method thereof

A nylon composite material, low-odor technology, applied in the field of engineering plastics, can solve the problems of glass fiber lines and floating fibers, low material strength and toughness, rough product appearance, etc., to achieve smooth surface, improve processing performance, and improve smoothness. Effect

Inactive Publication Date: 2008-12-03
SHANGHAI SUNNY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although glass fiber-filled modified nylon has excellent mechanical properties and low shrinkage, the appearance of the product is rough, and even glass fiber lines and floating fibers may appear; although mineral-filled nylon is superior to the former in appearance, the strength of the material and low toughness, the shrinkage rate is relatively large

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0034] Select PA6 embodiment 2 (1-6) for use

[0035] PA6 ordinary grade; maleic anhydride grafted polypropylene is used as compatibilizer; alkali-free long glass fiber is used as glass fiber; wollastonite is used as inorganic mineral; hollow glass microsphere and ceramic microsphere (1:1) are used as microbeads; The oxygen agent is 168 / 1098 (1:1); the lubricant is TAF / MB-4 (1:1).

[0036] Proportion (weight %) (table 3)

[0037] 2-1

[0038] Put all the components into a high mixer in proportion and mix them for 8 minutes, then extrude and granulate with a screw extruder, the screw speed is 200 rpm, and the processing temperature is 235°C, 240°C, 245°C, 245°C, 245°C, 245°C, 245°C, 240°C, 240°C

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Abstract

The invention relates to a high-gloss and low-odor reinforced nylon composite material and the preparation method thereof. The composite material is characterized in that the composite material contains, by weight percentage, PA66 resin, PA6 resin, glass fiber, inorganic minerals, micro-beads, compatibilizer, antioxidant, lubricant, etc. The preparation method comprises the following steps: mixing the above materials in a high-speed mixer; discharging, and extruding and granulating the mixed material in a screw extruder. Compared with common fiber glass reinforced PA and mineral reinforced PA, the PA composite material prepared by the method has the advantages of high gloss, high strength, low odor, etc., and can be widely used for exterior trimming parts such as electric tool housing and motor housing and for interior parts.

Description

technical field [0001] The invention relates to a high-gloss, low-odor, reinforced nylon composite material and a preparation method thereof, which can not only be widely used in exterior decoration parts, such as electric tool casings, motor casings, etc., but also can be applied to some interior decoration parts, belonging to engineering plastics technology field. Background technique [0002] Nylon 6 and nylon 66 are widely used in various industries due to their excellent comprehensive properties. Glass fiber and mineral-filled modified nylon has good properties such as high strength, high heat resistance, high fatigue resistance, and low molding shrinkage, so it is widely used. Automobiles, machinery, home appliances, aviation and military components and other fields, and has developed into the world's largest engineering plastics. [0003] Nylon modified materials currently on the market are mainly glass fiber and mineral-filled modified composite materials. Although...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/00C08K13/04C08K7/14C08K3/34C08K3/26C08K3/30C08K7/20C08K7/18C08J5/04B29B9/14B29C47/92
Inventor 柴振中杨涛陈晓东
Owner SHANGHAI SUNNY
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