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High-strength material and preparation method and application thereof

A high-strength, raw material technology, applied in the field of materials, can solve problems such as poor flame retardancy, reduced strength, and unstable material properties, and achieve the effects of significant strength and flame retardancy, low production costs, and high stability

Inactive Publication Date: 2018-04-20
郑州莉迪亚医药科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although PTFE has the effects of corrosion resistance and high temperature resistance, the performance of the material mixed with other raw materials is unstable, the strength is reduced, and the flame retardancy is poor.

Method used

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  • High-strength material and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] In the embodiment of the present invention, a high-strength material includes the following raw materials: 30 kg of polytetrafluoroethylene, 8 kg of trichloroacetic acid, 4 kg of nonylphenol polyoxyethylene ether, 11 kg of magnesium acetate, 1 kg of ethylene bis-stearamide, and 1 kg of diethyl ether. Glycol ether acetate 22kg.

[0021] Diethylene glycol ethyl ether acetate is mixed with 10 times the mass of 45% ethanol to prepare a diethylene glycol ethyl ether acetate solution; trichloroacetic acid is mixed with 6 times the mass of deionized water to prepare a trichloroacetic acid solution. Pulverize the polytetrafluoroethylene, pass it through a 100-mesh sieve, then mix it with the trichloroacetic acid solution, heat it to 92°C, and seal and stir it for 1.5h at this temperature; then add magnesium acetate and ethylene bis-stearamide, and heat up to 125 ℃, and sealed and stirred at this temperature for 1.2 h; mixture A was obtained; the stirring speed was 200 r / min. M...

Embodiment 2

[0023] In the embodiment of the present invention, a high-strength material includes the following raw materials: 40 kg of polytetrafluoroethylene, 16 kg of trichloroacetic acid, 8 kg of nonylphenol polyoxyethylene ether, 19 kg of magnesium acetate, 5 kg of ethylene bis-stearamide, 5 kg of diethyl ether. Glycol ether acetate 30kg.

[0024] Diethylene glycol ethyl ether acetate is mixed with 12 times the mass of 45% ethanol to prepare a diethylene glycol ethyl ether acetate solution; trichloroacetic acid is mixed with 7 times the mass of deionized water to prepare a trichloroacetic acid solution. The polytetrafluoroethylene was pulverized, passed through a 150-mesh sieve, then mixed with the trichloroacetic acid solution, heated to 95°C, and sealed and stirred at this temperature for 1.7h; then, magnesium acetate and ethylene bis-stearamide were added, and the temperature was raised to 128 ℃, and sealed and stirred at this temperature for 1.4h; mixture A was obtained; the stirr...

Embodiment 3

[0026] In the embodiment of the present invention, a high-strength material includes the following raw materials: 32kg of polytetrafluoroethylene, 10kg of trichloroacetic acid, 5kg of nonylphenol polyoxyethylene ether, 13kg of magnesium acetate, 2kg of ethylene bis-stearamide, 2kg of diethyl ether. Glycol ether acetate 24kg.

[0027] The diethylene glycol ethyl ether acetate is mixed with 11 times the mass of 45% ethanol to prepare the diethylene glycol ethyl ether acetate solution; the trichloroacetic acid is mixed with 7 times the mass of deionized water to prepare the trichloroacetic acid solution. The polytetrafluoroethylene was pulverized, passed through a 150-mesh sieve, mixed with trichloroacetic acid solution, heated to 95°C, and sealed and stirred at this temperature for 1.6h; then, magnesium acetate and ethylene bis-stearamide were added, and the temperature was raised to 128 ℃, and sealed and stirred at this temperature for 1.3h; mixture A was obtained; the stirring...

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Abstract

The invention discloses a high-strength material and a preparation method and application of the high-strength material. The material comprises the following raw materials in parts by weight: 30 to 40parts of polytetrafluoroethylene, 8 to 16 parts of trichloroacetic acid, 4 to 8 pars of nonylphenol polyoxyethylene ether, 11 to 19 parts of magnesium acetate, 1 to 5 parts of ethylene bisstearamide,and 22 to 30 parts of diethylene glycol ethyl ether acetate. The preparation method comprises the following steps: grinding polytetrafluoroethylene, mixing with a trichloroacetic acid solution, heating, sealing and stirring; then adding magnesium acetate and ethylene bisstearamide, heating, sealing and stirring, then mixing with nonylphenol polyoxyethylene ether and a diethylene glycol ethyl ether acetate solution, heating, sealing and stirring, then stirring for 75 to 80 min at the temperature of 200 DEG C, and extruding to obtain the high-strength material. The high-strength material disclosed by the invention has high stability, very high strength and high toughness. The glow-wire temperature of the high-strength material can be up to more than 972 DEG C, the CTI value of the high-strength material can reach 295V, and the flame retardancy of the high-strength material can reach the level V0, so that high-strength material can be widely applied to the fields of electronics, electrical appliances, medical treatment, military equipments, petrochemical industry and the like.

Description

technical field [0001] The invention relates to the technical field of materials, in particular to a high-strength material and a preparation method and application thereof. Background technique [0002] PTFE has the characteristics of acid resistance, alkali resistance and resistance to various organic solvents, and is almost insoluble in all solvents. At the same time, polytetrafluoroethylene has the characteristics of high temperature resistance, and its friction coefficient is extremely low, so it can be used for lubrication, and it has also become an ideal coating for easy cleaning of the inner layer of water pipes. Its production solves many problems in chemical, petroleum, pharmaceutical and other fields. PTFE seals, gaskets, gaskets. PTFE seals, gaskets, and gaskets are made of suspension polymerized PTFE resin. Compared with other plastics, PTFE has the characteristics of chemical corrosion resistance, and it has been widely used as sealing material and filling ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/18C08L71/02C08K5/098C08K5/20
CPCC08L27/18C08L2201/02C08L71/02C08K5/098C08K5/20
Inventor 张彦之
Owner 郑州莉迪亚医药科技有限公司