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Wear-resistant low floating fiber glass fiber enhanced polyphenylene sulfide free-spraying composite material and preparation method thereof

A technology of polyphenylene sulfide and floating fiber glass fiber, which is applied in the field of polymer material modification, can solve the problems of difficulty in meeting the requirements for appearance and precision parts, large amount of wear-resistant agent, and application expansion limitations, and achieves the appearance effect. Shiny effects, great design freedom, and simple production process

Inactive Publication Date: 2018-03-02
SHANGHAI KUMHO SUNNY PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the prominent floating fiber problem of glass fiber reinforced PPS composite material existing in the prior art, and it is difficult to meet the requirements for appearance and precision parts; the traditional method in the preparation of PPS-based wear-resistant composite material has a large amount of wear-resistant agent; at the same time, a single Due to the current situation that glass fiber reinforced PPS-based composite materials are limited by application expansion due to insufficient wear resistance, a new wear-resistant low-floating fiber glass fiber reinforced polyphenylene sulfide spray-free composite material and its preparation method are provided. The method is simple to operate , easy to produce

Method used

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  • Wear-resistant low floating fiber glass fiber enhanced polyphenylene sulfide free-spraying composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Example 1 Preparation of wear-resistant and low-floating fiber glass fiber reinforced polyphenylene sulfide spray-free composite material

[0047] (1) Preparation of wear-resistant and anti-floating fiber masterbatch

[0048] Take 73 parts by weight of polyphenylene sulfide 1150C, 15 parts of molybdenum disulfide, 10 parts of graphite, 1 part of aluminum powder, 0.2 parts of antioxidant 168, 0.2 parts of light stabilizer V703, compatibilizer EMA-g-MAH 0.3 parts, 0.3 parts of lubricant EBS, the aluminum powder adopts silver dollar-shaped aluminum powder with a diameter of 20-30 μm; mix the above materials evenly in a high-speed mixer, and then melt and extrude the mixture through a twin-screw extruder, Finally, cool and dry to obtain wear-resistant and anti-floating fiber masterbatch. The processing temperature from the first zone to the ninth zone is 200°C, 260°C, 270°C, 280°C, 280°C, 285°C, 285°C, 290°C, 290°C, the speed is 280r / min, and the feeding speed is 20r / min. ...

Embodiment 2

[0053] Example 2 Preparation of wear-resistant and low-floating fiber glass fiber reinforced polyphenylene sulfide spray-free composite material

[0054] (1) Preparation of wear-resistant and anti-floating fiber masterbatch

[0055] Take 64 parts by weight of polyphenylene sulfide 1170C, 16.5 parts of molybdenum disulfide, 17 parts of graphite, 1 part of aluminum powder, 0.4 part of antioxidant 412s, 0.3 part of antioxidant 168, compatibilizer EMA-g-MAH 0.5 parts, lubricant EBS 0.3 parts, the aluminum powder adopts silver dollar-shaped aluminum powder with a diameter of 20-30 μm; mix the above materials evenly in a high-speed mixer, and then melt and extrude the mixture through a twin-screw extruder, Finally, cool and dry to obtain wear-resistant and anti-floating fiber masterbatch. The processing temperature from the first zone to the ninth zone is 200°C, 260°C, 270°C, 280°C, 280°C, 285°C, 285°C, 290°C, 290°C, the speed is 280r / min, and the feeding speed is 20r / min. min.

...

Embodiment 3

[0058] Example 3 Preparation of wear-resistant and low-floating fiber glass fiber reinforced polyphenylene sulfide spray-free composite material

[0059] (1) Preparation of wear-resistant and anti-floating fiber masterbatch

[0060] Take 59 parts by weight of PPS1190C, 20 parts of molybdenum disulfide, 18 parts of graphite, 1 part of aluminum powder, 1680.5 parts of antioxidant, 0.4 part of antioxidant 1010, 0.6 part of compatibilizer EMA-g-MAH, lubricant 0.5 part of EBS, the aluminum powder adopts silver dollar-shaped aluminum powder with a diameter of 20-30 μm; the above materials are mixed uniformly in a high-speed mixer, and then the mixture is melted and extruded by a twin-screw extruder, and finally cooled and dried. Obtain wear-resistant and anti-floating fiber masterbatch. The processing temperature from the first zone to the ninth zone is 200°C, 260°C, 270°C, 280°C, 280°C, 285°C, 285°C, 290°C, 290°C, the speed is 280r / min, and the feeding speed is 20r / min. min.

[...

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Abstract

The invention relates to a wear-resistant low floating fiber glass fiber enhanced polyphenylene sulfide free-spraying composite material, which is prepared from the following raw materials in proportion: 45 to 85 parts of polyphenyl thioether with low melt flowing speed, 5 to 45 parts of alkali-free glass fiber, 1 to 15 parts of wear-resistant anti-floating fiber master batch, 0.1 to 1.5 parts ofantioxidants, 0.1 to 1 part of coupling agents, 0.3 to 1.5 parts of compatilizers, 0 to 2.5 parts of other auxiliary agents; the wear-resistant anti-floating fiber master batch is prepared from 45 to95 parts of polyphenyl thioether with high melt flowing speed, 1 to 25 parts of molybdenum disulfide, 1 to 25 parts of graphite, 0.1 to 5 parts of special toner, 0.1 to 1 part of antioxidants, 0.1 to2 parts of compatilizers and 0 to 2.5 parts of other auxiliary agents. The composite material has the advantages that the one-step formation free-spraying beautiful effect is achieved; the influence of floating fiber on the product appearance can be eliminated; meanwhile, the consumption of wear-resistant agents is reduced; the wear-resistant performance is improved; the process is simple; the production efficiency is high.

Description

technical field [0001] The invention relates to the technical field of polymer material modification, in particular to a wear-resistant low-floating fiber glass fiber reinforced polyphenylene sulfide spray-free composite material and a preparation method thereof. Background technique [0002] Polyphenylene sulfide (PPS) is a special engineering plastic with excellent comprehensive performance. It has the characteristics of high strength, good chemical corrosion resistance, flame retardancy, and creep resistance. It is widely used in automobiles, electronics, aerospace, and chemical industries. field. However, polyphenylene sulfide also has disadvantages such as high brittleness and low toughness, which restrict its further application and development. Spray-free materials refer to environmentally friendly materials that are formed without spraying at one time. It adds special toner to the material and adopts injection molding or extrusion processes to show the beautiful ap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L81/02C08L51/06C08L51/04C08K13/04C08K7/14C08K3/30C08K3/04C08K7/00C08K3/08C08K5/526C08J3/22C08J5/04
CPCC08L81/02C08J3/226C08J5/043C08J2381/02C08J2481/02C08K2003/0812C08K2003/3009C08K2201/003C08L2205/025C08L2205/03C08L2205/035C08L51/06C08L51/04C08L51/003C08K13/04C08K7/14C08K3/30C08K3/04C08K7/00C08K3/08C08K5/526
Inventor 李赵波刘星周霆罗明华辛敏琦
Owner SHANGHAI KUMHO SUNNY PLASTICS
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