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Nylon cable protective sleeve based on bentonite modification and preparation method thereof

A technology of cable protection and bentonite, applied in the direction of circuits, electrical components, plastic/resin/wax insulators, etc., can solve the problems of sealing sheath corrosion, sealing sheath is difficult to protect cables, etc., to achieve easy operation and excellent mechanical properties and anti-corrosion performance, the effect of simple process

Inactive Publication Date: 2017-05-24
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 sealing sheath can meet the existing needs, some cables are buried underground. Due to the acid-base environment in the ground, the sealing sheath is corroded, which makes it difficult for the sealing sheath to protect the cables.

Method used

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Examples

Experimental program
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Effect test

preparation example Construction

[0013] The present invention provides a kind of preparation method based on bentonite modified nylon cable protective sheath, comprising:

[0014] 1) Calcining the bentonite, then placing the calcined product in a modified solution for soaking treatment, and finally filtering to obtain a filter cake to obtain a modified bentonite;

[0015] 2) Nylon, polyethylene oxide, polyisobutylene, mica powder, barium sulfate, antimony trioxide, dolomite powder, trichloroethyl phosphate, slag wool, paraffin emulsion and modified bentonite were mixed and molded to obtain Nylon cable protection sheath based on bentonite modification;

[0016] Wherein, the modification solution is composed of water, hydrochloric acid, ethylene glycol butylene glycol ether, carbon fiber and lauric acid diethanolamide.

[0017] In step 1) of the above-mentioned preparation method, the specific conditions of calcination can be selected in a wide range, but in order to make the nylon cable protective sheath made...

Embodiment 1

[0027] 1) The bentonite was calcined at 418°C for 3 hours, and then the weight ratio of the calcined product to the modified solution (water, hydrochloric acid, ethylene glycol butylene glycol, carbon fiber and lauric acid diethanolamide was 100:1.5:18:60: 44) Mix according to the weight ratio of 100:400 and soak at 45°C for 4 hours, and finally filter the filter cake to obtain modified bentonite;

[0028] 2) Nylon, polyethylene oxide, polyisobutylene, mica powder (5 μm in particle size), barium sulfate, antimony trioxide, dolomite powder (5 μm in particle size), trichloroethyl phosphate, slag wool, paraffin The emulsion and modified bentonite were mixed according to the weight ratio of 100:34:30:12:17:5:12:68:50:49:35 and mixed at 215°C for 4 hours, then extruded to obtain modified bentonite-based Nylon Cable Protector A1.

Embodiment 2

[0030] 1) The bentonite was calcined at 410°C for 2 hours, and then the weight ratio of the calcined product to the modified solution (water, hydrochloric acid, ethylene glycol butylene glycol, carbon fiber and lauric acid diethanolamide was 100:0.5:12:40: 34) Mix according to the weight ratio of 100:350 and soak at 40°C for 3 hours, and finally filter the filter cake to obtain modified bentonite;

[0031] 2) Nylon, polyethylene oxide, polyisobutylene, mica powder (3μm particle size), barium sulfate, antimony trioxide, dolomite powder (3μm particle size), trichloroethyl phosphate, slag wool, paraffin The emulsion and modified bentonite were mixed according to the weight ratio of 100:31:28:9:15:2:8:60:47:45:31 and mixed at 210°C for 3 hours, then extruded to obtain modified bentonite-based Nylon Cable Protector A1.

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Abstract

The invention discloses a nylon cable protective sleeve based on bentonite modification and a preparation method of the nylon cable protective sleeve based on the bentonite modification. The preparation method comprises the following steps: 1) calcining bentonite, then placing a calcined product in a modified solution to be soaked, and finally filtering to obtain a filter cake so as to prepare the modified bentonite; and 2) mixing and molding nylon, polyethylene oxide, polyisobutylene, mica powder, barium sulfate, antimony trioxide, dolomite powder, trichloroethyl phosphate, slag cotton and paraffin emulsion with the modified bentonite to obtain the nylon cable protective sleeve based on the bentonite modification, wherein the modified solution comprises water, hydrochloric acid, ethylene glycol butanediether, carbon fibers and lauric acid diethanolamide. The nylon cable protective sleeve prepared through the preparation method has high mechanical properties and corrosion resistance, and the preparation method further has the advantages of simple process and convenient operation.

Description

technical field [0001] The invention relates to a cable protective sheath, in particular to a bentonite-based modified nylon cable protective sheath 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 ...

Claims

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Application Information

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IPC IPC(8): C08L77/00C08L23/22C08L71/02C08K13/06C08K9/04C08K3/34C08K7/06C08K3/30C08K3/22H01B3/30
CPCC08L77/00C08K2201/003C08L2203/202C08L2205/035H01B3/305C08L23/22C08L71/02C08K13/06C08K9/04C08K3/346C08K7/06C08K3/34C08K2003/3045C08K3/2279
Inventor 米春海何源贾倩倩汪晓勤陶锴
Owner WUHU HANGTIAN SPECIAL CABLE FACTORY
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