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Molding material

A molding material and component technology, applied in the field of materials, can solve problems such as easy cracking, low compressive strength, leakage, etc., and achieve the effect of promoting plasticization, enhancing hardness, and not easy to crack

Inactive Publication Date: 2017-09-29
SICHUAN OCEAN PLASTIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the technical problems of existing polytetrafluoroethylene molding materials, low compressive strength, and easy cracking to cause leakage, a technical solution adopted by the present invention is to provide a molding material whose composition includes: carbon nanotubes , polytetrafluoroethylene, polyvinyl chloride, calcium carbonate, chlorinated polyethylene, compound stabilizer, titanium dioxide, modifier, polyethylene wax, stearic acid

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] (1) Wet mixing: put 3.5 parts of carbon nanotubes into 60 parts of ethanol and sonicate for 45 min, put 51 parts of polytetrafluoroethylene into the solution after sonication, stir at high speed for 30 min, and then put the stirred solution into Ultrasonic for 1 h in an ultrasonic cleaner, dried in a blast drying oven, and set aside.

[0024] (2) Under the action of ultrasound, disperse the substance prepared in step (1) into 25 parts of xylene, then add 95 parts of high-density polyvinyl chloride at 158 ​​° C, stir until it is completely dissolved, and then add the Stir 2 parts of methyl methacrylate and ethyl acrylate copolymer (the mass ratio of methyl methacrylate and ethyl acrylate is 5:2), then add 25 parts of calcium carbonate, 5 parts of chlorinated polyethylene, and 0.5 parts of polyethylene wax 5 parts, 0.5 parts of stearic acid, 4 parts of cerium chloride, mix evenly and slowly pour the mixed solution into a large amount of absolute ethanol to stir and floccu...

Embodiment 2

[0026] (1) Wet mixing: Put 2 parts of carbon nanotubes into 60 parts of ethanol and sonicate for 45 min, put 60 parts of polytetrafluoroethylene into the solution after sonication, stir at high speed for 30 min, and then put the stirred solution into Ultrasonic for 1 h in an ultrasonic cleaner, dried in a blast drying oven, and set aside.

[0027] (2) Under the action of ultrasound, disperse the substance prepared in step (1) into 25 parts of xylene, then add and stir at 158 ​​°C until it is completely dissolved, then add methyl methacrylate and ethyl acrylate Stir 1.5 parts of copolymer (methyl methacrylate, ethyl acrylate mass ratio is 5:4), then add 25 parts of calcium carbonate, 12 parts of chlorinated polyethylene, 2.1 parts of polyethylene wax, 0.7 parts of stearic acid, chlorine 3-5 parts of cerium oxide, mix evenly, slowly pour the mixed liquid into a large amount of absolute ethanol, stir and flocculate, filter, dry, and powder to obtain a composite injection molding ...

Embodiment 3

[0029] (1) Wet mixing: put 5 parts of carbon nanotubes into 60 parts of ethanol and sonicate for 45 min, put 48 parts of polytetrafluoroethylene into the ultrasonic solution, stir at high speed for 30 min, and then put the stirred solution into Ultrasonic for 1 h in an ultrasonic cleaner, dried in a blast drying oven, and set aside.

[0030] (2) Under the action of ultrasound, disperse the substance prepared in step (1) into 25 parts of xylene, then add and stir at 158 ​​°C until it is completely dissolved, then add methyl methacrylate and ethyl acrylate Stir 3 parts of copolymer, then add 33 parts of calcium carbonate, 7 parts of chlorinated polyethylene, 0.5 parts of polyethylene wax, 1.9 parts of stearic acid, 3~5 parts of lanthanum oxide, mix well and slowly pour the mixture into a large amount of Stir and flocculate in absolute ethanol, filter, dry, and powder to obtain a composite injection molding material. The obtained masterbatch and high-density polyvinyl chloride p...

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PUM

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Abstract

The invention discloses a molding material. The molding material comprises carbon nanotubes, polytetrafluoroethylene, polyvinyl chloride, calcium carbonate, chlorinated polyethylene, a composite stabilizing agent, titanium dioxide, a modifier, polyethylene wax and stearic acid. The molding material provided by the invention has good anti-compression performance and wear resistance.

Description

technical field [0001] The invention relates to the field of materials, in particular to a molding material. Background technique [0002] Polytetrafluoroethylene is commonly known as "the king of plastics". At present, various polytetrafluoroethylene products have played a pivotal role in the fields of national economy such as chemical industry, machinery, electronics, electrical, military industry, aerospace, environmental protection, etc. It is the most corrosion-resistant plastic in the world today. One of the plastics with the best performance, except for molten metal sodium and liquid fluorine, it is resistant to corrosion by all chemicals, strong acids and alkalis, various organic solvents, etc. It is widely used in sealing materials and pipes in corrosion-resistant engineering. However, the existing polytetrafluoroethylene molding material has disadvantages, and the conveying pipeline product made of the existing molding material has the problems of low compressive s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/18C08L23/28C08L23/06C08L33/12C08K13/04C08K7/24C08K3/26C08K3/22C08K5/09C08K3/16
CPCC08K2003/2241C08K2003/265C08K2201/011C08L27/18C08L2201/02C08L2201/08C08L2205/035C08L23/286C08L23/06C08L33/12C08K13/04C08K7/24C08K3/26C08K3/22C08K5/09C08K3/16
Inventor 张洪权
Owner SICHUAN OCEAN PLASTIC CO LTD
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