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Carbonaceous fibre filling polytetrafluoroethylene and method of producing the same

A technology of polytetrafluoroethylene and carbon fiber, which is applied in the field of low-cost filled polytetrafluoroethylene and its manufacturing, can solve the problems of high cost, rising cost, and high price of carbon fiber

Inactive Publication Date: 2008-02-27
沈阳气体压缩机股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high price of carbon fiber, the use of carbon fiber-based filled PTFE material has the characteristics of high cost, and a large amount of use will lead to a substantial increase in cost. There is an urgent need for materials for oil-free lubricating components that can meet technical requirements and reduce costs.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Take 7 kg of polytetrafluoroethylene, 0.5 kg of carbon powder, 1.5 kg of carbon fiber, and 1 kg of graphite. After uniform mixing, 10 kg of mixture is made

Embodiment 2

[0025] Take 6.5 kg of polytetrafluoroethylene, 2 kg of carbon powder, 1 kg of carbon fiber, and 0.5 kg of graphite. After uniform mixing, 10 kg of mixture is made

Embodiment 3

[0027] Take 8.1 kg of polytetrafluoroethylene, 0.5 kg of carbon fiber, 0.5 kg of carbon powder, 0.5 kg of graphite, and 0.4 kg of molybdenum disulfide. After uniform mixing, 10 kg of mixture is made

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PUM

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Abstract

The invention discloses an oil-free lubrication element material-low cost carbon fiber filling politef and preparing method on general purpose reciprocated compressor, which is characterized by the following: comprising with 60-80% politef, 10-35% sum of carbon fiber and carbon powder and not more than 15% filling agent; setting carbon fiber : carbon powder as 1 : 0. 5-1. 5; choosing the filling agent from one or more than one black lead, glass fiber, molybdenum disulfide and copper powder; mixing at normal temperature; getting the product. This invention possesses long lifespan, low cost and wide applicability.

Description

technical field [0001] The invention relates to the material of the oil-free lubricating element used in the general reciprocating compressor-filled polytetrafluoroethylene and its manufacturing method, in particular to a low-cost filled polytetrafluoroethylene and its manufacturing method. Background technique [0002] At present, carbon fiber abrasive powder filled polytetrafluoroethylene products have been widely used in the reciprocating compressor industry as a material for oil-free lubricating components used on reciprocating compressors. Due to the high price of carbon fiber, the use of carbon fiber-based filled PTFE material has the characteristics of high cost, and a large amount of use will lead to a substantial increase in cost. There is an urgent need for materials for oil-free lubricating components that can meet technical requirements and reduce costs. . Contents of the invention [0003] In view of the above problems, the object of the present invention is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/18C08K7/14C08K7/04C08K3/08C08K3/30
Inventor 沙灵和戴北秋
Owner 沈阳气体压缩机股份有限公司
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