Sealing adhesive for cable joint box and preparation method thereof

An optical cable splice box and sealant technology, applied in the direction of adhesives, non-polymer adhesive additives, adhesive additives, etc., can solve the problem that the late weather resistance of the sealant and mechanical properties are not fully and systematically introduced. Collision, bending, water ingress and other problems, to achieve the effects of excellent thermal stability, increased temperature adaptability, and high sealing

Active Publication Date: 2015-04-29
SICHUAN TIANYI COMHEART TELECOM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its mechanical properties are not very good, and it has been a key problem that has plagued technicians for a long time. It is easy to be affected by mechanical friction, collision, bending, water ingress and other unfavorable factors, resulting in damage to the silicone sealing strip, or even losing its effect. ; At the same time, because the optical cable is exposed to the atmosphere or buried in the ground, it is extremely susceptible to corrosion, especially the splice box part of the optical cable. Alkali and salt water, temperature resistance, and sealing silica gel with strong sealing ability are particularly important
[0005] After searching, as Chinese patent application number CN20111003312...

Method used

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  • Sealing adhesive for cable joint box and preparation method thereof
  • Sealing adhesive for cable joint box and preparation method thereof
  • Sealing adhesive for cable joint box and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1: A sealant for an optical cable splice box, consisting of the following raw materials in parts by weight: silicone rubber: 15 parts, high molecular weight polyisobutylene: 5 parts, medium molecular weight polyisobutylene: 10 parts, low molecular weight polyisobutylene: 2 parts, inorganic filler: 20 parts, antioxidant: 0.5 part, colorant carbon black: 0.1 part, insect repellant: 1 part;

[0031] Wherein the inorganic filler is a mixture of kaolin, talcum powder, and calcium carbonate and the weight ratio is 1:3:2, and the insect repellant is a mixture of flusalthrin, silicon-containing insecticide SSI-116, and sethrin, And the weight ratio is 1:2:3, the antioxidant is a mixture of antioxidant 1010 and antioxidant 168, and the weight ratio is 1:2.

[0032] A preparation method for a sealant for an optical cable splice box, comprising the following steps:

[0033] S1. Weighing: Weigh the raw materials according to the parts by weight of the above raw material...

Embodiment 2

[0037] Embodiment 2: A sealant for an optical cable splice box, consisting of the following raw materials in parts by weight: silicone rubber: 18 parts, high molecular weight polyisobutylene: 10 parts, medium molecular weight polyisobutylene: 15 parts, low molecular weight polyisobutylene: 4 parts, inorganic filler: 30 parts, antioxidant: 0.6 part, colorant carbon black: 0.2 part, insect repellant: 1.2 part;

[0038] Wherein the inorganic filler is a mixture of kaolin and calcium carbonate and the weight ratio is 1:4, the insect repellant is a mixture of flusalthrin and sethrin, and the weight ratio is 1:1, and the antioxidant is antioxidant 264 , a mixture of antioxidant 1010, and the weight ratio is 1:3.

[0039] A preparation method for a sealant for an optical cable splice box, comprising the following steps:

[0040] S1. Weighing: Weigh the raw materials according to the parts by weight of the above raw materials, and set aside;

[0041] S2. Kneading: In the rubber knea...

Embodiment 3

[0044] Embodiment 3: A sealant for an optical cable splice box, consisting of the following raw materials in parts by weight: silicone rubber: 20 parts, high molecular weight polyisobutylene: 15 parts, medium molecular weight polyisobutylene: 20 parts, low molecular weight polyisobutylene: 5 parts, inorganic filler: 40 parts, antioxidant: 0.8 part, colorant carbon black: 0.4 part, insect repellant: 1.6 part;

[0045] Wherein the inorganic filler is kaolin, the insect repellant is a mixture of flusalthrin and sethrin, and the weight ratio is 1:5, and the antioxidant is antioxidant 264.

[0046] A preparation method for a sealant for an optical cable splice box, comprising the following steps:

[0047] S1. Weighing: Weigh the raw materials according to the parts by weight of the above raw materials, and set aside;

[0048] S2. Kneading: In the rubber kneader, add the weighed raw materials of high molecular weight polyisobutylene, silicone rubber, medium molecular weight polyiso...

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Abstract

The invention discloses a sealing adhesive for a cable joint box and a preparation method thereof, and belongs to the technical field of preparation of the sealing adhesive. The sealing adhesive comprises organic silicone rubber, high-molecular weight polyisobutene, medium-molecular weight polyisobutene, low-molecular weight polyisobutylene, inorganic filler, an antioxidant, carbon black as a coloring agent and a mothproofing agent. The preparation method comprises the following steps of: S1. weighing: weighing raw materials; S2. kneading: adding the raw materials for kneading; S3. blending: blending the kneaded sizing materials; S4. extruding: extruding the blended sizing materials, and then cooling and cutting to prepare the sealing adhesive for the cable joint box. The sealing adhesive disclosed by the invention has the advantages of excellent binding property, filling property, sealing property, water resistance, high-low temperature resistance, acid resistance, alkali resistance, salt resistance and dielectric property. The preparation method disclosed by the invention has the characteristics of health, environmental friendliness, simple production process, no solvent, time and energy conservation, low cost and suitability for industrial large-scale production.

Description

technical field [0001] The invention belongs to the technical field of sealant preparation, and in particular relates to a sealant for an optical cable joint box and a preparation method thereof. Background technique [0002] Under the background of the rapid development of my country's optical communication network, there are more and more types of optical fiber cables and their accessories. According to the different types of optical cables, the current optical cable splice closures are divided into outdoor optical cable splice closures, OPGW optical cable splice closures, submarine optical cable splice closures and miniature optical cable splice closures, etc.; , self-adhesive sealant is used for the sealing between the upper and lower boxes and between the optical cable and the box. At present, domestic sealants generally use butyl rubber as the main material of the sealant. Its high and low temperature resistance is poor, and it will deform when it is subjected to a la...

Claims

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Application Information

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IPC IPC(8): C09J183/04C09J123/22C09J11/04C09J11/06
Inventor 李俊画马剑吉新成
Owner SICHUAN TIANYI COMHEART TELECOM
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