Wear-resistant and high-toughness polyphenylene sulfide composite material and preparation method thereof

A polyphenylene sulfide and composite material technology, which is applied in the field of polymer material modification, can solve the problems of easy generation of creep, poor toughness of polyphenylene sulfide, unsuitable impact modification, etc., so as to improve wear resistance and application The effect of broad field and excellent mechanical properties

Inactive Publication Date: 2013-01-16
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, engineering plastics have been widely used, and polyphenylene sulfide, the sixth largest engineering plastic, has also received high attention. Polyphenylene sulfide has excellent thermal stability, flame retardancy, corrosion resistance and electrical properties At the same time, it also has good mechanical properties and dimensional stability. It is widely used in the fields of electronics, machinery manufacturing, automobile manufacturing, chemical instrumentation and aerospace industry. However, polyphenylene sulfide also has some disadvantages: branched and cross-linked polyphenylene sulfide Phenyl sulfide has poor toughness; the glass transition temperature Tg of the amorphous part is low (85~90°C...

Method used

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  • Wear-resistant and high-toughness polyphenylene sulfide composite material and preparation method thereof
  • Wear-resistant and high-toughness polyphenylene sulfide composite material and preparation method thereof
  • Wear-resistant and high-toughness polyphenylene sulfide composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Add 0.25 parts of KH-550, 0.25 parts of NDZ-201 and 0.1 parts of simethicone to 55 parts of PPS, 5 parts of E-MA-GMA, 5 parts of E-nBA and 5 parts of EPDM-G and mix by high-speed mixer 3min, then add 3 parts of PTFE powder, 2 parts of MoS 2 , 0.1 part of anti-1010, 0.2 part of anti-168, 0.1 part of T1201, 0.2 part of UV-400, 0.1 part of silicone mixed at high speed for 3 minutes, 25 parts of GF and 5 parts of CF were simultaneously introduced from the glass fiber port, and the mixed material was extruded Extrusion extrusion granulation, the temperature of each zone of the extruder from the feeding section to the head temperature is 200°C, 220°C, 270°C, 290°C, 290°C, 290°C, 300°C, 300°C, 305°C, 305°C, the length-to-diameter ratio of the extrusion screw is 35, the rotation speed of the extrusion screw is 180 rpm, and the feeding speed is 30 rpm. The component distribution ratio and basic properties are shown in Table 1.

[0032]

Embodiment 2

[0034] Add 0.25 parts of KH-550, 0.25 parts of NDZ-201, and 0.1 parts of simethicone to 50 parts of PPS, 10 parts of E-MA-GMA, 5 parts of E-nBA, and 5 parts of EPDM-G and mix them for 3 minutes in a high-speed mixer , then add 3 parts of PTFE powder, 2 parts of MoS 2 , 0.1 part of anti-1010, 0.2 part of anti-168, 0.1 part of T1201, 0.2 part of UV-400, 0.1 part of silicone mixed at high speed for 3 minutes, extruding the mixed material through an extruder to granulate, 25 parts of GF and 5 parts of CF Introduced at the same time by the glass fiber port, the temperature of each zone of the extruder from the feeding section to the die head is 200°C, 220°C, 270°C, 290°C, 290°C, 290°C, 300°C, 300°C, 305°C, 305°C, the length-to-diameter ratio of the extrusion screw is 35, the rotation speed of the extrusion screw is 180 rpm, and the feeding speed is 27 rpm. The component distribution ratio and basic properties are shown in Table 1.

Embodiment 3

[0036] Add 0.25 parts of KH-550, 0.25 parts of NDZ-201, and 0.1 parts of simethicone to 45 parts of PPS, 15 parts of E-MA-GMA, 5 parts of E-nBA, and 5 parts of EPDM-G and mix them for 3 minutes in a high-speed mixer , then add 3 parts of PTFE powder, 2 parts of MoS 2 , 0.1 part of anti-1010, 0.2 part of anti-168, 0.1 part of T1201, 0.2 part of UV-400, 0.1 part of silicone mixed at high speed for 3 minutes, extruding the mixed material through an extruder to granulate, 25 parts of GF and 5 parts of CF Introduced at the same time by the glass fiber port, the temperature of each zone of the extruder from the feeding section to the die head is 200°C, 220°C, 270°C, 290°C, 290°C, 290°C, 300°C, 300°C, 305°C, 305°C, the length-to-diameter ratio of the extrusion screw is 35, the rotation speed of the extrusion screw is 180 rpm, and the feeding speed is 24 rpm. The component distribution ratio and basic properties are shown in Table 1.

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Abstract

The invention discloses a wear-resistant and high-toughness polyphenylene sulfide composite material and a preparation method thereof. The composite material is composed of the following components of, by weight, 30-75 parts of polyphenylene sulfide, 20-50 parts of glass fibre, 5-20 parts of carbon fiber, 5-30 parts of a toughening agent, 0-20 parts of polytetrafluoroethylene, 0-20 parts of an ultrahigh molecular weight polyethylene, 2-10 parts of molybdenum disulfide, 0.2-1.5 parts of a coupling agent, 0.2-1 part of an antioxidant, 0.1-0.5 part of a light stability agent and 0.2-2 parts of a processing auxiliary agent. The composite material has a series of outstanding advantages of excellent low-temperature impact performance, high strength, high modulus, high heat stability, easy processing and molding, and the like, and has wide application fields such as automobiles, aeronautics and astronautics, etc.

Description

technical field [0001] The invention relates to the field of polymer material modification, in particular to a wear-resistant high-toughness polyphenylene sulfide composite material and a preparation method thereof. Background technique [0002] With the development of science and technology, general-purpose plastics can no longer meet the needs of social development in some fields. In recent years, engineering plastics have been widely used, and polyphenylene sulfide, the sixth largest engineering plastic, has also received high attention. Polyphenylene sulfide has excellent thermal stability, flame retardancy, corrosion resistance and electrical properties At the same time, it also has good mechanical properties and dimensional stability. It is widely used in the fields of electronics, machinery manufacturing, automobile manufacturing, chemical instrumentation and aerospace industry. However, polyphenylene sulfide also has some disadvantages: branched and cross-linked poly...

Claims

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Application Information

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IPC IPC(8): C08L81/02C08L27/18C08L23/06C08K13/04C08K7/14C08K7/06C08K3/30
Inventor 杨桂生俞飞
Owner HEFEI GENIUS NEW MATERIALS
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