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Polyphenylether composite material, and preparation method and application thereof

A technology of composite material and polyphenylene ether, which is applied in the field of preparation of polyphenylene ether composite materials, can solve the problems of low stress crack resistance and rough surface, and achieve high production efficiency, improved stress crack resistance, and excellent surface Effect of Finish and Stress Cracking Resistance

Inactive Publication Date: 2013-05-29
江苏沃特新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the object of the present invention is to provide a polyphenylene ether composite material to solve the problems of rough surface and low stress cracking resistance of polyphenylene ether materials in the prior art

Method used

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  • Polyphenylether composite material, and preparation method and application thereof
  • Polyphenylether composite material, and preparation method and application thereof
  • Polyphenylether composite material, and preparation method and application thereof

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preparation example Construction

[0026] The embodiment of the present invention further provides the preparation method of the above-mentioned polyphenylene ether composite material, comprising the following steps:

[0027] Step S01, providing raw materials:

[0028] Provide the polyphenylene ether, polystyrene, elastomer, polyolefin, silicone masterbatch, glass fiber, graft, antioxidant according to the formula;

[0029] Step S02, mixing and extruding:

[0030] Mix the polyphenylene ether, polystyrene, elastomer, polyolefin, silicone masterbatch, graft, and antioxidant, and extrude to obtain a polyphenylene ether composite material. In the extrusion processing step Add fiberglass.

[0031] In step S01, the polyphenylene ether, polystyrene, elastomer, polyolefin, silicone masterbatch, glass fiber, graft, and antioxidant are the same as those described above, and will not be repeated here.

[0032] In step S02, the polyphenylene ether, polystyrene, elastomer, polyolefin, silicone masterbatch, graft, and ant...

Embodiment 1

[0041] Add 20 parts of polyphenylene ether resin and 28 parts of grafts from the first loss-in-weight feeder port, add 29.85 parts of polystyrene from the second loss-in-weight feeder port, 1 part of elastomer, 10 parts of polyolefin, 6 parts One part of silicone masterbatch, 0.1 part of primary antioxidant and 0.05 part of secondary antioxidant are added from the third weight loss feeder after high mixing, and 5 parts of glass fiber are added from the side feeding port, and then extruded through twin-screw Plasticizing, melting, extruding, drawing, cooling, pelletizing. The pellets were dried in a blower drying oven at 120°C for 2-4 hours, and then injection molded to prepare test samples and products.

Embodiment 2

[0043] Add 15 parts of polyphenylene ether resin and 24 parts of grafts from the first loss-in-weight feeder port, add 32.85 parts of polystyrene from the second loss-in-weight feeder port, 1 part of elastomer, 10 parts of polyolefin, 6 parts 1 part of silicone masterbatch, 0.1 part of primary antioxidant and 0.05 part of secondary antioxidant are added from the third weight loss feeder after high mixing, 11 parts of glass fiber are added from the side feeding port, and then extruded through twin-screw Plasticizing, melting, extruding, drawing, cooling, pelletizing. The pellets were dried in a blower drying oven at 120°C for 2-4 hours, and then injection molded to prepare test samples and products.

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Abstract

The invention is applicable to the field of new materials, and provides a polyphenylether composite material, a preparation method and an application field thereof. The polyphenylether composite material provided by the invention is specifically used for a shell and a base of a valve core in the water treatment industry. In the very complicated use process in the water treatment industry, the polyphenylether composite material needs dimension stability during the cold / hot water alternate dutycycle operation and needs to resist stress cracking caused by molecular chain vermiculation of the rigid high polymer material itself. At the present stage, the integrated design of a shell and a base of a valve core is popularized increasingly, and performance requirements for all aspects of the material are severe increasingly; and especially for a polyphenylether / glass fiber composite material, high requirements for surface smoothness, stress release resistance and the like exist. The polyphenylether composite material provided by the invention is used in the water treatment industry, has favorable surface smoothness and stress resistance, and is very applicable to a shell and a base of a valve core in water treatment.

Description

technical field [0001] The invention belongs to the field of new materials, and in particular relates to a polyphenylene ether composite material, its preparation method and application. Background technique [0002] Polyphenylene ether resin has many excellent properties, such as mechanical properties, hydrolysis resistance, acid and alkali corrosion resistance, heat resistance, dimensional stability, etc. Of course, polyphenylene ether resin alloy materials also have their inherent shortcomings, such as poor oil resistance, The high internal stress of the product can easily lead to cracking of the product. Its alloys are widely used in water treatment, electronic appliances, auto parts and other fields. In recent years, more and more polyphenylene ether alloy materials have been used in the field of water treatment. The use process in the water treatment industry is extremely complicated. Molecular chain creep produces stress cracking. At this stage, the integrated desi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L71/12C08L25/06C08L51/04C08K7/14
Inventor 李海涛何征吴宪廖峻峰于强张国军孙伟
Owner 江苏沃特新材料科技有限公司
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