Polyether ketone ketone composite material that can replace metal and preparation method thereof

A polyetherketone ketone and composite material technology, which is applied in the field of special engineering plastics, polyetherketone ketone composite materials and their preparation, can solve the problem of reducing the quality stability of products and material practicability, reducing the mechanical properties of composite materials, and being easy to disperse. Uniformity and other issues, to achieve significant economic and social benefits, cost and weight reduction, and excellent mechanical properties.

Active Publication Date: 2020-05-08
SHANDONG KAISHENG NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among the above methods, the method of mixing and compounding is easy to disperse unevenly, easily produce defect points, and the surface hardness is not good, and because the processing temperature of polyether ketone ketone resin is very high, it is very easy to cause the mechanical properties of the composite material to decline, and in severe cases even Cause material decomposition and coking, greatly reduce product quality stability and material practicability

Method used

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  • Polyether ketone ketone composite material that can replace metal and preparation method thereof
  • Polyether ketone ketone composite material that can replace metal and preparation method thereof
  • Polyether ketone ketone composite material that can replace metal and preparation method thereof

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Experimental program
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Effect test

Embodiment 1～3

[0044] After adding the components shown in Table 1 to the high-speed mixer and mixing for 5 minutes according to the ratio shown in Table 1, the mixed mixture A was bagged for use; the above-mentioned mixture A was integrated with a fluidized bed jet mill at high speed. For modified crushing and mixing treatment, the frequencies of the feeder and the induced draft fan are set to 40 Hz and 50 Hz respectively, the frequency of the classifier is set to 10 Hz, the air supply pressure is 0.7 MPa, and the fine powder with a particle size of 150 μm or less is selected for use in bags; The fine powder is suitable for dry heat treatment at 240°C for 4 hours in a hot air circulating oven; the above dry heat-treated mixture B is added in batches to the mold cavity of the hot press for pre-pressing and pre-forming, and the charging temperature of the hot press is set to 285±5℃, the feeding pressure is 4MPa, and the difference between the supplementary pressure and the feeding pressure is ...

Embodiment 4～6

[0046] Since the grades of the selected polyetherketone ketone resin binders are CC6651-1 and CC5601-1, the relevant processing temperatures are 25°C and 40°C lower than those in Example 1, respectively. method, after the integrated pulverization and mixing treatment, the hot pressing is carried out. The strength, wear resistance and hardness of each sample were measured, and the results are shown in Table 1.

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Abstract

The invention relates to a polyether ketone ketone composite material capable of replacing metal and a preparation method thereof, belonging to the field of special engineering plastic industries. Thepolyether ketone ketone composite material capable of replacing metal comprises the following raw materials: 100 parts of polyether ketone ketone resin, 10 to 50 parts of fusible fluoroplastic, 10 to50 parts of a filling material, 0.1 to 5 parts of a coupling agent and 0.1 to 3 parts of a cross-linking agent, wherein the fusible fluoroplastic is at least one selected from the group consisting ofFEP, PFA, ECTFE or ETFE. The polyether ketone ketone composite material provided by the invention remains inherent properties like excellent high-temperature resistance, flame retardancy, chemical resistance and heat and humidity resistance and good strength and stiffness of the PEKK resin, and has performances like excellent wear resistance and chemical corrosion resistance, high hardness and light weight; and the preparation method for the polyether ketone ketone composite material is scientific, reasonable, simple and practicable.

Description

technical field [0001] The invention relates to a metal-replaceable polyetherketone ketone composite material and a preparation method thereof, belonging to the field of special engineering plastics industry. Background technique [0002] Polyetherketoneketone (hereinafter also referred to as "PEKK") resin is a semi-crystalline, high temperature resistant thermoplastic resin with excellent mechanical properties, chemical corrosion resistance, radiation resistance and flame retardancy, etc. It is especially suitable for high-performance composites. Materials of matrix resins and super engineering plastics. Because PEKK resin can be molded into various molded parts by various molding methods such as compression molding, it is widely used in new energy vehicles, smart home equipment, modern logistics and warehousing, aerospace, high-end food processing equipment, medical equipment and other industries. However, the problem of insufficient performance indicators such as hardnes...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L71/10C08L27/18C08L23/08C08K13/04C08K7/06C08K3/34C08K5/5435C08K5/3492B29C43/00B29C43/02B29B13/10
CPCB29B13/10B29C43/003B29C43/02B29K2071/00C08L71/00C08L2201/02C08L2201/08C08L27/18C08L23/0892C08K13/04C08K7/06C08K3/34C08K5/5435C08K5/34924
Inventor 张际亮孙庆民李光辉张泰铭王荣海王军黄桂青王帅坡韩楠楠
Owner SHANDONG KAISHENG NEW MATERIALS
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