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Wear-resistant and antistatic PA46 alloy for steel-making workshop high-load wheels, and preparation method thereof

A high-load, load-carrying wheel technology, applied in the field of preparation of wear-resistant and antistatic PA46 alloy, can solve the problems of poor dimensional stability, poor toughness, temperature difference, etc., and achieve the effect of long service life and excellent wear resistance

Inactive Publication Date: 2016-03-23
GUANGDONG WAYLAM ENG PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But unfortunately, like all nylons, it has the disadvantage of high water absorption and poor dimensional stability
[0004] PPS is also a special engineering plastic, its melting point is around 280°C, its temperature resistance is slightly worse than that of PA46, its material is brittle and its toughness is poor

Method used

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  • Wear-resistant and antistatic PA46 alloy for steel-making workshop high-load wheels, and preparation method thereof
  • Wear-resistant and antistatic PA46 alloy for steel-making workshop high-load wheels, and preparation method thereof
  • Wear-resistant and antistatic PA46 alloy for steel-making workshop high-load wheels, and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Mix PPS, dried PA46, PA66, treated anti-wear agent and antistatic agent, compatibilizer, antioxidant and lubricant in the mixer for 3 minutes in proportion to make it fully stirred , mixed evenly; then sent into the twin-screw extruder, at the same time, adding alkali-free glass fiber into the twin-screw extruder, through the twin-screw high-speed shearing, mixing, extruding from the die, drawing, drying, pelletizing , magnetic and packaging.

[0047] Screw temperature: Zone 1 270°C, Zone 2 305°C, Zone 3 295°C, Zone 4 290°C, Zone 5 285°C, Zone 6 280°C, Zone 7 290°C, Zone 8 300°C, Die 310°C.

Embodiment 2

[0049] According to the process conditions in Example 1 and the material ratio in Table 1, a wear-resistant and antistatic PA46 alloy for high-load load wheels in a steelmaking workshop was prepared.

[0050] Table 1 is the percentage by weight of each component

[0051]

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PUM

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Abstract

The invention provides a wear-resistant and antistatic PA46 alloy for steel-making workshop high-load wheels. The alloy comprises 5-15wt% of PA66 resin, 4-51.3wt% of PA46 resin, 10-20wt% of PPS resin, 0-5wt% of a wear resistant, 8-12wt% of an antistatic agent, 0-5wt% of a compatilizer, 0.2-1wt% of an antioxidant, 0.5-2wt% of a lubricant, 0-1wt% of a coupling agent and 25-35wt% of alkaline-free glass fibers. The wear-resistant and antistatic PA46 alloy for steel-making workshop high-load wheels has mechanical strength and high temperature resistance comparable with those of common enhanced PA46, has dimension stability comparable with that of PPS, and also has excellent wear resistance and long service life. The invention also provides a preparation method of the wear-resistant and antistatic PA46 alloy for steel-making workshop high-load wheels.

Description

technical field [0001] The invention relates to the field of polymer material processing, in particular to a preparation method and application of a wear-resistant and antistatic PA46 alloy used for high-load load wheels in steelmaking workshops. Background technique [0002] Nylon, that is, polyamide (PA), is a polymer compound containing amide groups (-NHCO-) ​​in the main chain. It is the most widely used general engineering plastic and has good physical and mechanical properties, such as wear resistance, oil resistance, and Corrosion, self-lubrication and other characteristics, widely used in machinery, automobiles, instruments and meters and other industrial fields. [0003] Nylon 66 is one of the most widely used varieties of nylon. Its scientific name is polyamide-66 or polyhexamethylene adipamide, and its melting point is around 260°C. The heat distortion temperature of pure nylon 66 is only about 70°C (1.82MPa), which severely limits its application in high-end ind...

Claims

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Application Information

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IPC IPC(8): C08L77/06C08L81/02C08L23/08C08K13/06C08K9/04C08K7/14C08K3/04C08K3/30
CPCC08L77/06C08K2201/003C08K2201/017C08L81/02C08L2201/04C08L2201/08C08L2205/025C08L2205/03C08L2205/035C08L2205/08C08L23/0884C08K13/06C08K9/04C08K7/14C08K3/04C08K2003/3009
Inventor 陈春银皮正亮葛嘉宝尹述武
Owner GUANGDONG WAYLAM ENG PLASTICS
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