Environment-friendly self-lubricating wearable injection-molded nylon 66 and preparing process thereof

A self-lubricating, injection-level technology, applied in the field of organic polymer composite materials, can solve the problems of low raw material and production costs, high material costs, and reduced friction coefficients, achieving convenient production and procurement, reduced production costs and raw material costs, and good quality Effects of self-lubrication and wear resistance

Inactive Publication Date: 2010-05-05
KECHUANG POLYMER SUZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, social technology is developing rapidly, changing with each passing day, and new products and new inventions are pouring out in large numbers. For parts that can effectively and greatly reduce the friction coefficient and the raw materials themselves have strong wear resistance, the many advantages of ordinary nylon 66 make designers very happy. Favored, b

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0009] Embodiment 1 provides an environmentally friendly self-lubricating wear-resistant injection-molded nylon 66, which is composed of the following components by weight: nylon 66: 91.9%; external lubricant: 0.4%; silicon-based wear-resistant modifier: 5%, anti- Oxidant: 1.0%; Heat Stabilizer: 1.2%; Other additives: 0.5%;

[0010] First, dry nylon 66 at 85 degrees, and then weigh it with antioxidants, external lubricants, silicon-based wear-resistant modifiers, heat stabilizers, and other additives in proportion to mix them in a mixer at low speed for 10 minutes. The feeder adopts low-speed mixing, the gap between the stirring blade and the cylinder wall should be less than 0.5 cm, and the mixing effect of raw and auxiliary materials should be basically uniform for various particles and powders, without obvious agglomeration or agglomeration; the twin-screw extruder uses 40 aspect ratio, Medium-strength shearing, vacuum extraction, the screw maintains a constant speed and a ...

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PUM

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Abstract

The invention relates to an organic polymer composite, in particular to environment-friendly self-lubricating wearable injection-molded nylon 66 and a preparing method thereof. The environment-friendly self-lubricating wearable injection-molded nylon 66 comprises the following components by weight percentage: 49.5-90 percent of nylon 66, 0.1-1.5 percent of external lubricant, 3-35 percent of silicon wearable modifier, 0.3-1.5 percent of antioxidant, 0.1-3.0 percent of heat stabilizer and 0.3-5.5 percent of other accessory ingredients. The environment-friendly self-lubricating wearable injection-molded nylon 66 has better self-lubricating performance and abrasion resistance based on original comprehensive performances of injection molded nylon 66, is convenient to produce and purchase, and adopts domestic raw and auxiliary materials and production equipment, thereby greatly reducing the production cost and material cost and improving the comprehensive competiveness of the product.

Description

technical field [0001] The invention relates to an organic polymer composite material, and more specifically relates to an environmentally friendly self-lubricating wear-resistant injection molding grade nylon 66 and a preparation method thereof. Background technique [0002] Nylon 66 is one of the most widely used engineering plastics. It is widely used to make parts of various machinery, automobiles, chemicals, electronics and electrical devices. It has a high melting point and has good physical and mechanical properties and wear resistance. Sexuality and self-lubrication, especially suitable for high-strength or wear-resistant parts, these comprehensive characteristics are not available in other plastics. However, at present, social technology is developing rapidly, changing with each passing day, and new products and new inventions are pouring out in large numbers. For parts that can effectively and greatly reduce the friction coefficient and the raw materials themselves...

Claims

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Application Information

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IPC IPC(8): C08L77/06
Inventor 孙平
Owner KECHUANG POLYMER SUZHOU
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