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Preparation method of adhesive assorted with liquid crystal coated optical cable

A technology for adhesives and optical cables, applied in the directions of adhesives, non-polymer adhesive additives, adhesive additives, etc., can solve the problems of insufficient low temperature resistance of adhesives

Inactive Publication Date: 2012-10-10
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the problem of insufficient low temperature resistance of the adhesive for liquid crystal coated optical cables, the present invention adopts α, ω-terminated hydroxyl polymethyl vinyl phenyl silicone rubber or α , ω-terminated hydroxyl polydimethyldiethylsiloxane is used as the main material of the adhesive to prepare an adhesive with low temperature resistance, thereby providing a preparation method for coating an optical cable supporting adhesive

Method used

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  • Preparation method of adhesive assorted with liquid crystal coated optical cable

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Embodiment 1

[0025] Dry the reactive end-group liquid silicone rubber and silicon dioxide, weigh 100g of α, ω-terminated hydroxyl polymethyl vinyl phenyl silicone rubber (8% phenyl content), 10g of precipitation method Silica ULTRASIL? VN3 and 20g of fumed silica AEROSIL? R106 were prepared according to the above steps, and then 6g of ethyl orthosilicate, 8g of γ-aminopropyltriethoxysilane, and 0.5g of dilauric acid were added Dibutyltin, stir evenly to prepare the required adhesive.

Embodiment 2

[0027] Dry the reactive end-group liquid silicone rubber and silicon dioxide, weigh 100g of αα, ω-terminated hydroxyl polydimethyldiethylsiloxane (7% ethyl content), 10g of precipitation method II Silica ULTRASIL? VN3 and 20g of fumed silica AEROSIL? R106, prepare the base rubber according to the above steps, then add 6g of tetraethyl orthosilicate, 8g of γ-aminopropyltriethoxysilane, 0.5g of di Dibutyltin laurate, stir evenly to prepare the required adhesive.

Embodiment 3

[0029] Dry the reactive end-group liquid silicone rubber and silica, weigh 100g of α, ω-terminated hydroxyl polymethylvinylphenyl silicone rubber (8% phenyl content), 50g of G-CC glue Adhesive-specific nano-calcium carbonate was prepared according to the above steps, and then 2g of triethoxysilane, 10g of γ-glycidyloxypropyltrimethoxysilane, and 0.3g of dioctyltin dilaurate were added, and the mixture was prepared by stirring evenly. Adhesive is required.

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Abstract

The invention provides a preparation method of an adhesive assorted with a liquid crystal coated optical cable. In the preparation method of the adhesive assorted with the liquid crystal coated optical cable, alpha, omega-terminal hydroxyl polymethyl vinylphenyl silicone rubber or alpha, omega-terminal hydroxyl polydimethyl diethyl siloxane with good low temperature performance is taken as a main material, nano-filler-reinforced silicone rubber adhesive is used for improving mechanical properties thereof, and according to a vulcanization mechanism of a dealcoholized room temperature vulcanization silicone rubber, room temperature vulcanization silicone rubber adhesive with excellent low temperature performance and moderate releasing force is prepared. When the adhesive is used for winding an optical cable coil, releasing forces at normal temperature and low temperature are moderate and wires can be smoothly unwound, thus meeting requirements of practical application and particularly meeting a requirement on the releasing force in a low temperature environment.

Description

technical field [0001] The invention relates to a preparation method of an adhesive for a liquid crystal coated optical cable, in particular to a method for preparing an adhesive for a liquid crystal coated optical cable which is applicable to a low temperature environment. Background technique [0002] The optical cable coating material has developed from aramid fiber braided mesh coating to the current liquid crystal polymer coating layer, which solves the problem of thermal expansion mismatch between the optical cable coating layer and the quartz optical fiber, and the production of aramid fiber coating using light-curing coating. Many problems such as slow speed also put forward new requirements for its matching adhesive. At present, there are mainly the following problems in the adhesive for optical cables: (1) Under low temperature conditions, the release force of the adhesive increases rapidly due to crystallization, and too much release force will lead to uneven or...

Claims

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Application Information

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IPC IPC(8): C09J183/07C09J183/06C09J11/04
Inventor 李刚苏清福杨小平信春玲何亚东
Owner BEIJING UNIV OF CHEM TECH
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