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A kind of wear-resistant PA/ASA alloy and preparation method thereof

An alloy, PA66 technology, applied in the field of wear-resistant PA/ASA alloy and its preparation, can solve the problems of limited alloy use, solubility parameters, polarity and crystallinity difference, and poor mechanical properties, so as to improve tensile strength, Effect of inhibiting photooxidation process and improving anti-ultraviolet performance

Active Publication Date: 2019-11-15
SHANGHAI ZHONGLEI NEW MATERIAL SCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the solubility parameters, polarity and crystallinity of PA and ASA are very different, and the PA / ASA alloy two-phase interface obtained by simple blending has low bonding strength and poor mechanical properties, which limit the use of this alloy.

Method used

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  • A kind of wear-resistant PA/ASA alloy and preparation method thereof
  • A kind of wear-resistant PA/ASA alloy and preparation method thereof
  • A kind of wear-resistant PA/ASA alloy and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] This embodiment provides a wear-resistant PA / ASA alloy, the composition of which is as follows in parts by mass:

[0059]

[0060] Wherein, the reinforcing material is non-surface-modified montmorillonite, and the mesh number is 500 mesh.

[0061] The preparation method of the wear-resistant PA / ASA alloy provided in this embodiment is as follows:

[0062] Add the above-mentioned components into a high-speed mixer and mix for 10 minutes, and then feed the mixed material of each component into a twin-screw extruder. The twin-screw extruder includes the first zone, the second zone, the third zone, the fourth zone, the fifth zone, the sixth zone, the seventh zone, the eighth zone, the ninth zone and the machine head connected in sequence. The mixed materials pass through each zone in turn, and the first zone The temperature is 200°C, the temperature in the second zone is 210°C, the temperature in the third zone is 220°C, the temperature in the fourth zone is 230°C, the ...

Embodiment 2

[0064] This embodiment provides a wear-resistant PA / ASA alloy, the composition of which is as follows in parts by mass:

[0065]

[0066] Wherein, the reinforcing material is non-surface-modified montmorillonite, and the mesh number is 450 mesh.

[0067] The preparation method of the wear-resistant PA / ASA alloy provided in this embodiment is as follows:

[0068]Add the above-mentioned components into a high-speed mixer and mix for 5 minutes, and then feed the mixed material of each component into a twin-screw extruder. The twin-screw extruder includes the first zone, the second zone, the third zone, the fourth zone, the fifth zone, the sixth zone, the seventh zone, the eighth zone, the ninth zone and the machine head connected in sequence. The mixed materials pass through each zone in turn, and the first zone The temperature is 200°C, the temperature in the second zone is 210°C, the temperature in the third zone is 220°C, the temperature in the fourth zone is 230°C, the te...

Embodiment 3

[0070] This embodiment provides a wear-resistant PA / ASA alloy, the composition of which is as follows in parts by mass:

[0071]

[0072] Wherein, the reinforcing material is non-surface-modified montmorillonite, and the mesh number is 400 mesh.

[0073] The preparation method of the wear-resistant PA / ASA alloy provided in this embodiment is as follows:

[0074] Add the above-mentioned components into a high-speed mixer and mix for 8 minutes, and then feed the mixed material of each component into a twin-screw extruder. The twin-screw extruder includes the first zone, the second zone, the third zone, the fourth zone, the fifth zone, the sixth zone, the seventh zone, the eighth zone, the ninth zone and the machine head connected in sequence. The mixed materials pass through each zone in turn, and the first zone The temperature is 200°C, the temperature in the second zone is 210°C, the temperature in the third zone is 220°C, the temperature in the fourth zone is 230°C, the t...

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Abstract

The invention provides wear-resisting PA / ASA alloy and a preparation method thereof. The wear-resisting PA / ASA alloy is prepared from the following ingredients in mass fraction: 40 to 60 parts of PA, 20 to 40 parts of ASA, 10 to 15 parts of compatilizer, 5 to 10 parts of reinforcement material and 0.5 to 1.5 parts of lubricant. The preparation method of the wear-resisting PA / ASA alloy comprises the steps of mixing all the ingredients of the formula amount and extruding the ingredients out through an extruding machine. The wear-resistant PA / ASA alloy provided by the invention has higher tensile strength, bending strength, toughness, wear resistance and heat resistance at the same time.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a wear-resistant PA / ASA alloy and a preparation method thereof. Background technique [0002] Polyamide (PA), commonly known as nylon, is a widely used engineering plastic with good mechanical strength, self-lubrication and good wear resistance. It is widely used in machinery, automobiles, electrical appliances, textile equipment, chemical industry Equipment, aviation, metallurgy and other fields. However, PA materials also have disadvantages such as high water absorption, poor dimensional stability, and low notched impact strength. [0003] Acrylonitrile-styrene-acrylate block copolymer (ASA), because the acrylate monomer containing single and double bonds is used to replace the butadiene monomer containing double and double bonds in ABS resin, so the ASA three after polymerization The element system does not contain double bonds, which greatly improves t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L77/02C08L77/06C08L51/00C08L55/02C08K13/06C08K13/02C08K3/34C08K5/20C08K5/103C08K5/3475B29C48/92
CPCB29C48/92B29C2948/9258B29C2948/92704C08K2201/014C08L51/003C08L77/02C08L77/06C08L2201/08C08L2205/02C08L2205/025C08L2205/03C08L2205/035C08L2205/08C08L55/02C08K3/346C08K5/103C08L51/006C08K5/20C08K13/06C08K5/3475C08K13/02C08K3/34
Inventor 刘春艳陈小婷刘艺
Owner SHANGHAI ZHONGLEI NEW MATERIAL SCI CO LTD
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