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Method for preparing polyetheretherketone-diatomaceous earth composite materials

A technology of polyether ether ketone and composite materials, which is applied in the field of preparation of polyether ether ketone-diatomite composite materials, can solve the problems of poor mechanical properties of the system, poor interface bonding, high melt viscosity, etc., and avoid structural The effects of sharp changes in elasticity and elasticity, enhanced interface bonding, and improved mechanical properties

Inactive Publication Date: 2019-01-04
FOSHAN CHANCHENG DISTRICT NUOGAO ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem mainly solved by the present invention is: for the traditional polyetheretherketone-diatomite composite material, due to the high melt viscosity of polyether ether ketone, it cannot be fully filled into the diatomite channel during the extrusion molding process. , making the interfacial bonding between polyether ether ketone and diatomite poor, leading to the problem of poor mechanical properties of the system, a preparation method of polyetheretherketone-diatomite composite material is provided

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0023] In parts by weight, put 20 parts of low-melting alloy powder, 20 parts of whiskers, 8 parts of starch, 3 parts of glycerin, and 30 parts of water into a ball mill for mixing and ball milling, and pass through a 100-mesh sieve to obtain a mixed homogenate; Put soil and acid in a single-necked flask at a mass ratio of 1:30, stir and mix for 60 minutes at a speed of 500r / min to obtain a mixed slurry, then filter the mixed slurry to obtain a filter residue, and then wash the filter residue with deionized water 8 times, then the filter residue after washing was placed in an oven, and dried to constant weight at a temperature of 110°C to obtain the primary treatment diatomite; Put the mass ratio of 1:30 in a three-necked flask, and mix and stir for 60 minutes under the condition of the rotating speed of 500r / min to obtain the mixed material liquid, then filter the mixed material liquid to obtain a filter cake, then put the filter cake in an oven, Dry to constant weight at a t...

example 2

[0025]In parts by weight, 20 parts of whiskers, 8 parts of starch, 3 parts of glycerin, and 30 parts of water are mixed and ball milled in a ball mill, and passed through a 100-mesh sieve to obtain a mixed homogenate; : 30 is placed in a single-necked flask, and under the condition of 500r / min, the rotating speed is 500r / min, stirring and mixing for 60min to obtain a mixed slurry, and then the mixed slurry is filtered to obtain a filter residue, and then the filter residue is washed 8 times with deionized water, and then the washed residue The filter residue was placed in an oven and dried to constant weight at a temperature of 110°C to obtain a primary treatment diatomite; the primary treatment diatomite and a mass concentration of 2.6mg / mL dopamine solution were placed in a mass ratio of 1:30 In a three-neck flask, under the condition of a rotating speed of 500r / min, mix and stir for 60min to obtain a mixed material liquid, then filter the mixed material liquid to obtain a fi...

example 3

[0027] In parts by weight, 20 parts of low-melting alloy powder, 8 parts of starch, 3 parts of glycerin, and 30 parts of water are placed in a ball mill and mixed for ball milling, and passed through a 100-mesh sieve to obtain a mixed homogenate; Put it in a single-necked flask with a ratio of 1:30, stir and mix for 60 minutes at a speed of 500r / min to obtain a mixed slurry, then filter the mixed slurry to obtain a filter residue, then wash the filter residue 8 times with deionized water, and then wash The final filter residue was placed in an oven, and dried to constant weight at a temperature of 110°C to obtain a primary treatment of diatomite; the primary treatment of diatomite and a mass concentration of 2.6mg / mL dopamine solution in a mass ratio of 1:30 Put it in a three-necked flask, and mix and stir for 60 minutes at a speed of 500r / min to obtain a mixed material liquid, then filter the mixed material liquid to obtain a filter cake, and then put the filter cake in an ove...

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Abstract

The invention discloses a method for preparing polyetheretherketone-diatomaceous earth composite materials, and belongs to the technical field of high-polymer materials. The method includes mixing alloy powder with a low melting point, crystal whiskers, starch, glycerin and water with one another, carrying out ball milling on the alloy powder, the crystal whiskers, the starch, the glycerin and thewater and carrying out sieving to obtain mixed slurry; stirring and mixing diatomaceous earth and acid with each other, and carrying out filtering, washing and drying to obtain primarily treated diatomaceous earth; mixing and stirring the primarily treated diatomaceous earth and dopamine solution with each other and carrying out filtering and drying to obtain secondarily treated diatomaceous earth; mixing the secondarily treated diatomaceous earth and the mixed slurry with each other, carrying out ball milling on the secondarily treated diatomaceous earth and the mixed slurry and carrying outreduced-pressure concentration and drying to obtain modified diatomaceous earth; carrying out banburying on polyetheretherketone powder at first, then adding the modified diatomaceous earth, plasticizers and vulcanizing agents into the polyetheretherketone powder, mixing the modified diatomaceous earth, the plasticizers, the vulcanizing agents and the polyetheretherketone powder with one anotherand carrying out extrusion molding to obtain the polyetheretherketone-diatomaceous earth composite materials. The method has the advantage that the polyetheretherketone-diatomaceous earth composite materials prepared by the aid of the method are excellent in mechanical property.

Description

technical field [0001] The invention discloses a preparation method of a polyether ether ketone-diatomite composite material, belonging to the technical field of polymer materials. Background technique [0002] Diatomaceous earth is a biogenic siliceous sedimentary rock, mainly composed of the remains of ancient diatoms, and its chemical composition is SiO 2 Mainly, available SiO 2 •nH 2 O said that its mineral composition is opal and its variants, and sedimentary diatomaceous earth sometimes contains sediments such as clay and fine sand, and sometimes only sedimentary diatom shells. Diatomite has the characteristics of large porosity, strong adsorption, stable chemical properties, light weight, high melting point, heat insulation, low refractive index, good wear resistance and electrical insulation, so it is widely used in light industry, chemical industry and Building materials and other aspects of daily life. The structure of diatomaceous earth has disc shape, needle ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L61/16C08L3/02C08K13/06C08K9/02C08K7/26C08K9/04C08K5/053C08K7/08C08K7/10
CPCC08L61/16C08L3/02C08K13/06C08K9/02C08K7/26C08K9/04C08K5/053C08K7/08C08K7/10
Inventor 胡次兵兰梅菊朱东东
Owner FOSHAN CHANCHENG DISTRICT NUOGAO ENVIRONMENTAL PROTECTION TECH CO LTD
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