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Cable sheath moisture-proof additive and a preparation method thereof

A cable sheath and additive technology, which is applied in the field of cable sheath moisture-proof additives and its preparation, can solve the problems of cable service life threat and mold occurrence in the sheath

Inactive Publication Date: 2018-11-09
WUHU HANGTIAN SPECIAL CABLE FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the existing sheath can meet the existing needs, the mold phenomenon often occurs in the existing sheath in a humid environment, which poses a threat to the service life of the cable

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0012] The invention provides a method for preparing a cable sheath moisture-proof additive, comprising:

[0013] 1) ultrasonically vibrate the molecular sieve, graphene, porous starch and water, and then dry to prepare the mixture;

[0014] 2) Soak the mixture, nanometer zinc dioxide and nanometer tin dioxide, and then filter to obtain the cable sheath moisture-proof additive.

[0015] In step 1) of the present invention, the consumption of each material can be selected in a wide range, but in order to further improve the moisture resistance of the auxiliary agent to the cable sheath, preferably, in step 1), molecular sieve, graphene, The weight ratio of porous starch to water is 50:10-15:18-22:150-250.

[0016] In step 1) of the present invention, the conditions of ultrasonic vibration can be selected in a wide range, but in order to further improve the moisture resistance of the auxiliary agent to the cable sheath, preferably, in step 1), ultrasonic vibration meets the fol...

Embodiment 1

[0023] 1) Ultrasonic vibration of molecular sieve, graphene, porous starch and water according to the weight ratio of 50:13:20:200 (ultrasonic frequency is 28KHz, vibration time is 50min), and then dried (drying temperature is 110°C, drying time is 3h) to produce a mixture;

[0024] 2) Soak the mixture, nano-zinc dioxide, and nano-tin dioxide in a weight ratio of 100:4:2.5 (soaking temperature is 40° C., soaking time is 13 hours), and then filtered to obtain moisture-proof additive A1.

Embodiment 2

[0026] 1) Ultrasonic vibration of molecular sieve, graphene, porous starch and water according to the weight ratio of 50:10:18:150 (ultrasonic frequency is 25KHz, vibration time is 60min), and then dried (drying temperature is 100°C, drying time is 4h) to produce a mixture;

[0027] 2) Soak the mixture, nano-zinc dioxide, and nano-tin dioxide in a weight ratio of 100:3:1.5 (the soaking temperature is 35° C., and the soaking time is 16 hours), and then filter to obtain the moisture-proof additive A2.

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PUM

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Abstract

The invention discloses a cable sheath moisture-proof additive and a preparation method thereof. The preparation method comprises the following steps: 1) ultrasonically shaking a molecular sieve, graphene, porous starch and water, and then drying to prepare a mixture; 2) soaking the mixture, nano-zinc dioxide and nano-tin dioxide, and then filtering to prepare the cable sheath moisture-proof additive. The moisture-proof additive can make a cable sheath have excellent moisture-proof performance. Meanwhile, the preparation method has the advantages of simple process and easy availability of rawmaterials.

Description

technical field [0001] The invention relates to cables, in particular to a cable sheath moisture-proof additive and a preparation method thereof. Background technique [0002] The cable is mainly composed of the following four parts. Conductive wire core: made of high conductivity material (copper or aluminum). According to the requirements of cable softness under laying conditions, each wire core may be twisted by a single wire or multiple wires; insulation layer: the insulation material used for cables should have high insulation resistance and high breakdown electric field strength, low dielectric loss and low dielectric constant. Sealing sheath: protect the insulated wire core from mechanical damage, moisture, moisture, chemicals, light, etc. For moisture-prone insulation, lead or aluminum extruded sealing sheaths are generally used; protective covering: used to protect the sealing sheath from mechanical damage. [0003] Although the existing sheath can meet the exis...

Claims

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Application Information

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IPC IPC(8): C08K9/10C08K9/12C08K3/22C08K3/04C08L7/00C08L27/06C08L3/08C08K13/06H01B3/28
CPCC08K3/042C08K3/22C08K9/10C08K9/12C08K2003/2231C08K2003/2296C08K2201/011C08L7/00C08L2203/202C08L2205/03H01B3/28C08L27/06C08L3/08C08K13/06
Inventor 章新能何源付利梅陶伟
Owner WUHU HANGTIAN SPECIAL CABLE FACTORY
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