High-hardness friction-resistant PE alloy

A friction-resistant, high-hardness technology, applied in the field of polymer materials, can solve the problems of no antibacterial properties, high price of high-density polyethylene, low insulation of high-density polyethylene, etc., to improve the low surface hardness and compatibility. Improve and improve the effect of abrasion resistance

Inactive Publication Date: 2019-02-19
张桂芬
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in some special fields, PE is required to have high hardness, good friction resistance and antibacterial properties, and PE alone cannot meet these requirements
[0003] In order to increase the scope of use of polyethylene and increase the hardness of polyethylene, the hardness of high-density polyethylene can basically meet the current requirements for polyethylene hardness by using high-density polyethylene, but the price of high-density polyethylene is relatively high, and then Increase the production cost of products made of high-density polyethylene, on the other hand, the insulation of high-density polyethylene is not high, and it does not have antibacterial properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Weigh 50 parts of PE, 10 parts of ABS, 0.2 part of PE-g-MAH, 0.05 part of Irganox1010, 0.05 part of Irganox168 and 0.1 part of ethylene bisstearamide.

[0024] The weighed above-mentioned materials were stirred by a high-speed mixer for 10 minutes to form a mixed material.

[0025] The mixed material is put into the hopper of the twin-screw extruder, melted and reacted, then extruded and granulated.

[0026] Among them, the temperature of the high-speed mixer is 70° C., and the rotation speed is 120 r / min. The twin-screw extruder consists of six zones, in which the temperature and screw speed of each zone are: the temperature of the first zone is 150°C, the temperature of the second zone is 170°C, the temperature of the third zone is 170°C, the temperature of the fourth zone is 170°C, and the temperature of the fifth zone is 170°C. The temperature is 170°C, the temperature in the sixth zone is 170°C, the head temperature is 170°C; the screw speed is 180r / min.

Embodiment 2

[0028] Weigh 70 parts of PE, 30 parts of ABS, 0.6 part of PE-g-MAH, 0.25 part of Irganox1010, 0.25 part of Irganox168 and 0.3 part of simethicone.

[0029] The weighed above-mentioned materials were stirred by a high-speed mixer for 12 minutes to form a mixed material.

[0030] The mixed material is put into the hopper of the twin-screw extruder, melted and reacted, then extruded and granulated.

[0031] Among them, the temperature of the high-speed mixer is 120° C., and the rotation speed is 240 r / min. The twin-screw extruder consists of six zones, in which the temperature and screw speed of each zone are: the temperature of the first zone is 180°C, the temperature of the second zone is 200°C, the temperature of the third zone is 200°C, the temperature of the fourth zone is 200°C, and the temperature of the fifth zone is 200°C. The temperature is 200°C, the temperature in the sixth zone is 200°C, the head temperature is 200°C; the screw speed is 240r / min.

Embodiment 3

[0033] Weigh 60 parts of PE, 20 parts of ABS, 0.4 parts of PE-g-MAH, 0.15 parts of Irganox1010, 0.15 parts of Irganox168 and 0.2 parts of simethicone.

[0034] The weighed above-mentioned materials were stirred by a high-speed mixer for 11 minutes to form a mixed material.

[0035] The mixed material is put into the hopper of the twin-screw extruder, melted and reacted, then extruded and granulated.

[0036] Wherein the temperature of the high-speed mixer is 95° C., and the rotation speed is 180 r / min. The twin-screw extruder consists of six zones, in which the temperature and screw speed of each zone are: the temperature of the first zone is 165°C, the temperature of the second zone is 185°C, the temperature of the third zone is 185°C, the temperature of the fourth zone is 185°C, and the temperature of the fifth zone is 185°C. The temperature is 185°C, the temperature in the sixth zone is 185°C, the head temperature is 185°C; the screw speed is 210r / min.

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Abstract

The invention relates to high-hardness friction-resistant PE alloy. The high-hardness friction-resistant PE alloy is prepared from, by weight, 50-70 parts of PE, 10-30 parts of ABS, 0.2-0.6 part of acompatilizer, 0.1-0.5 part of an antioxidant and 0.1-0.3 part of a lubricant. By adding the high-surface-hardness material ABS, the shortcoming of low surface hardness of polyethylene material can beovercome, and the effect of improving friction resistance is achieved.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, in particular to a high-hardness and friction-resistant PE alloy. Background technique [0002] Polyethylene (PE) is an important thermoplastic polymer with good dimensional stability, good insulation, water and oil resistance, and is widely used in household appliances, mechanical parts, office supplies and communication equipment and other fields. However, in some special fields, PE is required to have high hardness, good friction resistance and antibacterial properties, and PE alone cannot meet these requirements. [0003] In order to increase the scope of use of polyethylene and increase the hardness of polyethylene, the hardness of high-density polyethylene can basically meet the current requirements for polyethylene hardness by using high-density polyethylene, but the price of high-density polyethylene is relatively high, and then It increases the production cost of products made...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L55/02C08L51/06C08K5/134C08K5/526
CPCC08L23/06C08L2205/03C08L2205/08C08L55/02C08L51/06C08K5/1345C08K5/526
Inventor 张桂芬
Owner 张桂芬
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