High density polyethylene self-lubricating optical fibre cable sheath tube

A technology of high-density polyethylene and optical fiber cables, applied in the direction of insulating cables, cables, circuits, etc., can solve the problems of weak self-lubricating function of the inner wall of the core layer, unfavorable application of optical fiber cables, etc.

Inactive Publication Date: 2005-09-14
福建亚通塑胶有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the inner layer of the sheath tube used by people is made of silicone material, and the self-lubricating function of the inner wall of the core layer is weak, which is not conducive to the application of optical fiber cables that require fast cable blowing speed.

Method used

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Examples

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Embodiment Construction

[0006] Below in conjunction with embodiment the present invention is described in further detail.

[0007] The production method of a high-density polyethylene self-lubricating optical fiber cable sheath tube is as follows: respectively use three extruders to compound the ribbon layer material, the outer layer mainly made of high-density polyethylene, and the inner layer made of solid self-lubricating Material-based materials are processed through compound co-extrusion. The proportion of the outer layer material is 90% high-density polyethylene and 10% composite reinforcing agent, and the composite reinforcing agent is ultrafine calcium carbonate after stearic acid surface treatment (ultrafine calcium carbonate is based on industrial ultrafine precipitated calcium carbonate HG / T2776-1996 standard is the average particle size ≤ 0.08μm); the proportion of the inner layer material is 80% silicone resin, 10% surfactant and 10% silicone oil, and the tube layer material is welded in...

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Abstract

A sheathing tube of self-lubricating optical fiber cable is processed after the composite of high-density polythene as the main outer layer material and the sold self-lubricating composite material as the main inner layer material processed by compounded coextrusion, among which the proportion mix of the outer layer material is high-density polythene: 90% and composite reinforcer 10% and that of the inner layer material is silicone resin: 80%, surfactant 10%, silicon oil: 10%.

Description

technical field [0001] The invention relates to a polyethylene optical fiber cable sheathing tube, in particular to a high-density polyethylene self-lubricating optical fiber cable sheathing tube whose inner layer is a solid self-lubricating composite material. Background technique [0002] The use of sheath tubes for optical fiber cables has become a development trend in the application of the communication field, and the requirements are getting higher and higher. At present, the inner layer of the sheath tube used by people is made of silicone material, and the self-lubricating function of the inner wall of the core layer is weak, which is not conducive to the application of optical fiber cables that require fast cable blowing speed. Contents of the invention [0003] The task of the present invention is to provide a high-density polyethylene self-lubricating optical fiber cable sheathing tube with good self-lubricating function on the inner wall of the core layer, fast...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B3/30H01B7/17H01B17/58
Inventor 陈鹊
Owner 福建亚通塑胶有限公司
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