Silicon rubber cable joint

A cable joint and silicone rubber technology, applied in the field of silicone rubber cable joints, can solve the problems of easy foaming, delamination and tear resistance, easy aging of cable joints, etc., and achieve the effects of excellent electrical performance, high strength and effective insulation.

Inactive Publication Date: 2013-04-10
QINGDAO XINBEN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the technical problems existing in the prior art, such as easy aging of cable joints, easy foaming and delamination, and poor tear resistance, and to provide an anti-aging, non-foaming and delaminating, high-strength , silicone rubber cable joints with good tear resistance and high temperature resistance

Method used

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  • Silicon rubber cable joint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1, unit: g.

[0022] Vinyl silicone rubber 35 parts,

[0023] 25 parts of white carbon black,

[0024] 26 parts of acetylene carbon black,

[0025] Antiaging agent 4010NA 1.5 parts,

[0026] Accelerator TMTD 0.3 part,

[0027] 3 parts of benzoyl peroxide,

[0028] 2.4 parts of magnesium oxide,

[0029] 1.4 parts of stearic acid,

[0030] 3.5 parts of antimony trioxide,

[0031] Rosin 1.5 parts.

Embodiment 2

[0032] Embodiment 2, unit: g.

[0033] Vinyl silicone rubber 40 parts,

[0034] 28 parts of white carbon black,

[0035] 31 parts of acetylene carbon black,

[0036] Antiaging agent 4010NA 1.5 parts,

[0037] Accelerator TETD 0.3 parts,

[0038] 3 parts of benzoyl peroxide,

[0039] 2.4 parts of magnesium oxide,

[0040] 1.4 parts of stearic acid,

[0041] 5 parts of antimony trioxide,

[0042] Rosin 2.4 parts,

[0043] 2 parts of Kemlok adhesive.

Embodiment 3

[0044] Embodiment 3, unit: g.

[0045] Vinyl silicone rubber 37.5 parts,

[0046] 26.5 parts of white carbon black,

[0047] Acetylene carbon black 28.5 parts,

[0048] Antiaging agent 4010NA 1.5 parts,

[0049] Accelerator TMTM 0.3 part,

[0050] 3 parts of benzoyl peroxide,

[0051] 2.4 parts of magnesium oxide,

[0052] 1.4 parts of stearic acid,

[0053] 4.25 parts of antimony trioxide,

[0054] Rosin 1.9 parts,

[0055] 2.4 parts of ferric oxide.

[0056] The manufacture method of a kind of silicone rubber cable joint of the present invention is as follows:

[0057] 1. First mix the above-mentioned raw materials according to the specified weight parts, and put them into the open mixer in order for mixing. The mixed rubber is parked at room temperature for 1 day, and then re-mixed and released;

[0058] 2. Forming: the film is pasted with adhesive film on the forming machine, and then transferred into the mold. In order to prevent mold sticking, polytetrafluoroe...

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Abstract

The invention provides a silicon rubber cable joint, which is to solve the technical problems of susceptibility to aging, bubbling and stripping, low tear resistance and the like of the cable joint in the prior art. The cable joint comprises the following raw materials in part by weight: 35 to 40 parts of vinylsiloxane rubber, 25 to 28 parts of white carbon black, 26 to 31 parts of acetylene carbon black, 1.5 parts of anti-aging agent, 0.3 part of promoter, 3 parts of vulcanizing agent, 2.4 parts of magnesium oxide, 1.4 parts of stearic acid, 3.5 to 5 parts of fire retardant and 1.5 to 2.4 parts of softener. All of the anti-aging performance, breaking strength, elongation at break, tear strength and hardness of the silicon rubber cable joint are improved; in addition, the silicon rubber cable joint also has high electrical performance, anti-tracking performance, halogen-free burning performance and thermal aging resistance, and high mechanical strength and hydrophobicity. Thus, the silicon rubber cable joint can be safely used in strict environment required by current electric equipment.

Description

technical field [0001] The invention relates to a cable joint used in electric equipment, in particular to a silicone rubber cable joint. Background technique [0002] At present, cable joints are often used in power equipment, which must meet the requirements of effective insulation, shielding and sealing in environments such as sunshine, wind erosion, rain, snow, humidity, oxygen, ozone, mold, etc., especially in underwater and other environments. Long-term operation requirements under harsh conditions. [0003] Most of the existing cable joints use EPDM rubber. This traditional technology that has been used for decades not only cannot meet the increasingly stringent electrical safety requirements of today, but also has poor bonding strength with metal casings and is prone to aging. And it is easy to foam and delaminate, the elasticity disappears, and it even separates from the metal sleeve, which seriously affects the safety of use. The physical performance indicators o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L83/07C08L93/04C08K13/02C08K3/36C08K3/04C08K3/22C08K5/14
Inventor 李光海刘学祥
Owner QINGDAO XINBEN TECH
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