High-density wear-resistant PPS plastic and preparation method thereof

A high-density, plastic technology, applied in the field of high-density wear-resistant PPS plastics and its preparation, can solve the problems of increasing the weight and texture of PPS plastics, the product surface is easy to wear, and the plastic wear resistance is poor, and achieves increased affinity and adhesion. The effect of increasing the brittleness, increasing the weight and improving the brittleness

Inactive Publication Date: 2021-02-05
广州凯杰环保新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a high-density wear-resistant PPS plastic and its preparation method. By mixing metal powder and mineral powder composition into the PPS plastic, the density of the PPS plastic is increased, and the weight and texture of the PPS plastic are increased. The low density and light weight of PPS plastics in the existing technology makes the products feel cheap; by adding tougheners and lubricants, the problem of poor wear resistance of plastics and easy wear on the surface of the prepared products is solved

Method used

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  • High-density wear-resistant PPS plastic and preparation method thereof
  • High-density wear-resistant PPS plastic and preparation method thereof
  • High-density wear-resistant PPS plastic and preparation method thereof

Examples

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Effect test

Embodiment 1

[0037]A high-density wear-resistant PPS plastic, including the following raw materials by weight: 100 parts of polyphenylene sulfide, 30 parts of metal powder, 8 parts of mineral powder composition, 5 parts of toughening agent, 1 part of lubricant, and 10 parts of coupling agent ;

[0038]This kind of high-density wear-resistant PPS plastic is prepared by the following steps;

[0039]Step 1. Spray the coupling agent on the surface of the metal powder and mineral powder composition by spraying, and modify the surface of the metal powder and mineral powder composition, and then stir and mix the metal powder and mineral powder composition to obtain a heavy filler;

[0040]Step 2: Add polyphenylene sulfide, toughening agent, and lubricant into the mixing smelting machine according to the weight of the formula, and then adding the heavy filler prepared in step 1 into the mixing smelting machine at a temperature of 290°C and a rotation speed of 60r / Under the condition of min, stir and mix for 40 ...

Embodiment 2

[0049]A high-density wear-resistant PPS plastic, comprising the following parts by weight of raw materials: 100 parts of polyphenylene sulfide, 32 parts of metal powder, 9 parts of mineral powder composition, 8 parts of toughening agent, 2 parts of lubricant, and 13 parts of coupling agent ;

[0050]This kind of high-density wear-resistant PPS plastic is prepared by the following steps;

[0051]Step 1. Spray the coupling agent on the surface of the metal powder and mineral powder composition by spraying, and modify the surface of the metal powder and mineral powder composition, and then stir and mix the metal powder and mineral powder composition to obtain a heavy filler;

[0052]Step 2: Add polyphenylene sulfide, toughening agent and lubricant into the mixing smelting machine according to the formula weight parts, and then adding the heavy filler prepared in step 1 into the mixing smelting machine at a temperature of 295°C and a rotation speed of 100r / Under the condition of min, stir and m...

Embodiment 3

[0061]A high-density wear-resistant PPS plastic, including the following parts by weight of raw materials: 100 parts of polyphenylene sulfide, 35 parts of metal powder, 10 parts of mineral powder composition, 10 parts of toughening agent, 3 parts of lubricant, 15 parts of coupling agent ;

[0062]This kind of high-density wear-resistant PPS plastic is prepared by the following steps;

[0063]Step 1. Spray the coupling agent on the surface of the metal powder and mineral powder composition by spraying, and modify the surface of the metal powder and mineral powder composition, and then stir and mix the metal powder and mineral powder composition to obtain a heavy filler;

[0064]Step 2: Add polyphenylene sulfide, toughening agent, and lubricant into the mixing smelting machine according to the weight of the formula, and then adding the heavy filler prepared in step 1 to the mixing smelting machine at a temperature of 300°C and a rotation speed of 120r / Under the condition of min, stir and mix ...

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Abstract

The invention discloses high-density wear-resistant PPS plastic and a preparation method thereof. The high-density wear-resistant PPS plastic is prepared from, by weight, 100 parts of polyphenylene sulfide, 30-35 parts of metal powder, 8-10 parts of a mineral powder composition, 5-10 parts of a flexibilizer, 1-3 parts of a lubricant and 10-15 parts of a coupling agent. The preparation method comprises the following steps of: firstly, using a coupling agent to carry out surface modification on metal powder and a mineral powder composition, and mixing to obtain a heavy filler; secondly, adding polyphenylene sulfide, a flexibilizer, a lubricant and a heavy filler into a mixing smelting machine, and uniformly mixing to obtain a molten mixture; and thirdly, discharging the molten mixture from the mixing smelting machine, feeding the molten mixture into a double-screw extruder for further mixing and extrusion, and then pelletizing, cooling and packaging to obtain the high-density wear-resistant PPS plastic. The problem that a product is cheap and poor in wear resistance and the surface of the product is easy to wear due to low density and low weight of PPS plastic is solved.

Description

Technical field[0001]The invention belongs to the technical field of PPS plastic preparation, and specifically relates to a high-density wear-resistant PPS plastic and a preparation method thereof.Background technique[0002]Polyphenylene sulfide (PPS) is a special engineering plastic with excellent performance. It has excellent heat resistance, flame retardancy, chemical resistance, electrical insulation and high mechanical strength. The strength retention rate at high temperatures is far Higher than other engineering plastics such as PBT, PES, PC, with a density of 1.36g / mL and a melting point of 285°C, its excellent performance and wide range of uses have made PPS the first production of special engineering plastics and the sixth among engineering plastics . However, the shortcomings of high brittleness and low impact strength of PPS limit its application in a wider field. The modification of PPS therefore has important theoretical significance and practical value.[0003]Plastics ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L81/02C08L23/08C08L53/02C08L83/04C08K9/06C08K9/04C08K3/08C08K3/30C08K3/26C08K3/22C08K5/103C08K5/098C08K13/06B29B7/16B29B7/22
CPCB29B7/16B29B7/22C08K2003/0856C08K2003/2213C08K2003/265C08K2003/3045C08L81/02C08L2205/035C08L23/0884C08L23/0869C08L53/025C08L83/04C08K9/06C08K9/04C08K3/08C08K3/30C08K3/26C08K3/22C08K5/103C08K5/098C08K13/06
Inventor 崔丽君
Owner 广州凯杰环保新材料科技有限公司
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