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Filling compound for submarine optical fiber cables and preparation method of filling compound

An optical fiber cable and composite technology, which is applied in the field of filling compound for submarine optical fiber cable and its preparation, can solve problems such as poor waterproof and water blocking effect, oxidation and hydrogen evolution, etc., so as to improve water seepage problems, improve performance and life, and provide strong water resistance. The effect of water function

Active Publication Date: 2015-06-03
深圳市金泰科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of the present invention provides a filling compound for submarine optical fiber cable and its preparation method, so as to solve the problems of poor waterproof and water-blocking effect of the existing filling compound and hydrogen evolution by oxidation

Method used

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  • Filling compound for submarine optical fiber cables and preparation method of filling compound

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Embodiment 1

[0024] Take 810g of polyalphaolefin synthetic oil and heat it up to 150°C, add 100g of ethylene-ethylene-propylene rubber block copolymer, stir for 3 hours, stir well and cool to 110°C, add 50g of meteorological silica, stir for 1h, then add 10g of high temperature The antioxidant, 5g of polymethacrylate pour point depressant and 10g of nonylphenoxyacetic acid anticorrosion agent were fully mixed, stirred for 0.5 hours to make them uniform, and finally 15g of hydrogen absorbing material was added and stirred for 0.5 hours. Then vacuum degassing, and finally a brown translucent paste is obtained.

Embodiment 2

[0026] Take 850g of polyalphaolefin and raise the temperature to 150°C, add 70g of ethylene-ethylene-propylene rubber block copolymer, stir for 3 hours, stir evenly and cool to 110°C, add 55g of meteorological silica, stir for 1h, and then add 7.5g of high-temperature resistant Oxygen agent, 5g polymethacrylate pour point depressant and 7.5g corrosion inhibitor are fully mixed, stirred for 0.5 hours to make it uniform, and finally 10g of hydrogen absorbing material is added and stirred for 0.5 hours. Then vacuum degassing, and finally a brown translucent paste is obtained.

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Abstract

The invention discloses a filling compound for submarine optical fiber cables. The filling compound comprises components of, by mass, 70%-85% of poly-alpha-olefin synthetic oil, 6%-10% of viscosity increasing adjusting agents, 3%-6% of thixotropic agents, 0.5%-1% of antioxygen, 0.5%-1% of pour point depressants, 0.5%-2.0% of anticorrosive agents and 1%-3% of hydrogen absorption materials. An embodiment of the invention further provides a preparation method of the filling compound. The filling compound for the submarine optical fiber cables has powerful functions of water resistance, water blocking and anti-corrosion and is capable of effectively solving the problem of water seepage of a loose tube of optical fibers; and the filling compound for the submarine optical fiber cables can not perform oxidation and hydrogen evolution and has a function of hydrogen absorption so that hydrogen loss of the optical fibers can be avoided, performances of the submarine optical fiber cables are improved, and service life of the submarine optical fiber cables is prolonged.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a filling compound for submarine optical fiber cables and a preparation method thereof. Background technique [0002] With its advantages of high communication quality, large capacity, low cost, and high security, submarine optical cables have gradually replaced the previous submarine communication coaxial cables and satellite communications. The optical fiber unit of the submarine optical cable usually adopts an optical fiber stainless steel loose tube structure. The optical fiber is placed in the loose tube, and the gap between the optical fiber and the loose tube is filled with a waterproof filling compound such as fiber grease. [0003] However, commonly used optical fiber ointments have limited waterproof and water-blocking effects, and even some optical fiber ointments will be hydrolyzed and emulsified when exposed to water. The resulting water seepage of stainle...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/00C08L53/02C08L23/16C08K13/04C08K3/36C08K7/26
Inventor 钱伟
Owner 深圳市金泰科技有限公司
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