Strippable composite film for optical cable

A composite film and optical cable technology, which is applied in the direction of synthetic resin layered products, layered products, metal layered products, etc., can solve the problems such as the difficulty of removing the PE sheath layer, achieve shortened splicing time, good bonding, and ensure The effect of tightness

Inactive Publication Date: 2018-07-13
JIANGSU JIUTIAN PHOTOELECTRIC TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, when the traditional optical cable needs to strip the PE outer sheath of the armored optical

Method used

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  • Strippable composite film for optical cable

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Embodiment Construction

[0016] figure 1 As shown, it relates to a peelable composite film for an optical cable, including a chrome-plated steel strip 3 arranged on the innermost layer, a co-extruded film arranged on the middle layer, and a PE sheath layer 1 arranged on the outermost layer; wherein, the The co-extrusion film comprises the A layer 23 arranged on the outer layer of the chrome-plated steel strip 3, the B layer 22 arranged on the A layer 23 outer layer, and the C layer 21 arranged on the B layer 22 outer layer; wherein, the A layer 23 and the chrome-plated The steel strip 3 is pasted together, and the C layer 21 and the PE sheath layer 1 are pasted together.

[0017] A further preferred solution is that between the B layer 22 and the C layer 21 is a controllable peeling interlayer with a certain delamination strength, the delamination strength is 2-4N / cm, and the optimum is 3N / cm.

[0018] A further preferred solution is that the peel strength of the A layer 23 , the B layer 22 and the c...

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Abstract

The invention discloses a strippable composite film for an optical cable. The strippable composite film for the optical cable comprises a chrome-plated steel belt arranged on the innermost layer, a co-extrusion film arranged on the intermediate layer as well as a PE sheath layer arranged on the outermost layer, wherein the co-extrusion film comprises a layer A arranged on the outer layer of the chrome-plated steel belt, a layer B arranged on the outer layer of the layer A, and a layer C arranged on the outer layer of the layer B; the layer adheres to the chrome-plated steel belt; the layer C adheres to the PE sheath layer. The co-extrusion film is divided into three layers, the three layers exist as a whole; the layer A adheres to the chrome-plated steel belt; the layer B is the intermediate layer; the layer C adheres to the outer PE sheath layer; a controllable stripping interlayer is arranged between the layer B and the layer C and has certain layering strength; the layering strengthis about 3 N/cm.

Description

technical field [0001] The invention relates to a strippable composite film for an optical cable. Background technique [0002] As fiber optic systems enter thousands of households, it is common to distribute larger fiber counts into cables, such as splicing into relatively smaller branch cables. This means that the distribution cables must be opened, the splices made, and then the breakout points secured. The industry therefore uses "dry" cables instead of oil-filled cables. This move shortens the stitching time. [0003] However, when traditional optical cables need to strip off the PE outer sheath of the armored optical cable to access the inner layer of the optical cable, it is extremely difficult to remove the PE sheath layer. Because the PE sheath layer is a steel-plastic composite tape layer, the standard steel-plastic composite tape and the sheath layer are bonded relatively firmly. [0004] PE jacket has many benefits in optical cable protection. In order to ma...

Claims

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Application Information

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IPC IPC(8): B32B15/04B32B15/18B32B27/08B32B27/32B32B27/30B32B7/06B32B7/10
CPCB32B15/04B32B7/06B32B7/10B32B15/18B32B27/08B32B27/308B32B27/32B32B2307/7145
Inventor 李国忠
Owner JIANGSU JIUTIAN PHOTOELECTRIC TECH CO LTD
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