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Moistureproof and flame-retardant insulated cable for instruments

A technology of insulated cables and instruments, applied in the direction of insulated cables, insulated conductors, cables, etc., can solve the problems of poor flame retardant effect, easy leakage, easy to cause fire, etc., and achieve the effects of improving defects, low cost, and reducing corrosion

Inactive Publication Date: 2018-05-15
SUZHOU HAOYAN PRECISION MOLD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because of its superior mechanical properties, good weather resistance, excellent electrical insulation properties, easy processing and low cost, it is widely used as insulation and sheath materials for wires and cables, but the cable insulation materials on the market still exist. There are many defects, some have poor moisture-proof effect and are prone to electric leakage, and some have poor flame-retardant effect and are likely to cause fire

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] This embodiment provides a moisture-proof and flame-retardant instrument insulated cable, which includes a conductor and a sleeve. An insulating layer is provided outside the conductor. The insulating layer is made of polytetrafluoroethylene, and the conductor and the insulating layer provided on the outside are both Set in the casing, there is a gap between the casing and the insulating layer, the gap is filled with epoxy resin foam material, the casing includes the following components in parts by mass: EVA resin: 45 parts, EPDM Rubber: 22 parts, Ethylene-vinyl alcohol copolymer: 20 parts, Colemanite: 15 parts, Polyacrylamide: 5 parts, Norane diisocyanate: 3 parts, Calcium carbonate: 6 parts, Glass fiber: 10 parts , Decabromodiphenylethane: 7 parts, polyvinylidene fluoride: 12 parts, sodium lauryl sulfate: 4 parts, diatomaceous earth: 11 parts, chlorinated paraffin: 2 parts, cross-linked polyvinylpyrrolidone: 4 parts, flame retardant: 6 parts, curing agent: 3 parts, s...

Embodiment 2

[0026] This embodiment provides this embodiment provides a moisture-proof and flame-retardant instrument insulated cable, including a conductor and a sleeve, an insulating layer is provided outside the conductor, and the conductor and the insulating layer provided on the outside are all arranged in the sleeve, and the sleeve There is a gap between the insulation layer and the gap filled with epoxy resin foam material. The casing includes the following components in parts by mass: EVA resin: 48 parts, EPDM rubber: 25 parts, ethylene- Vinyl alcohol copolymer: 23 parts, Colemanite: 18 parts, Polyacrylamide: 7 parts, Norane diisocyanate: 4 parts, Calcium carbonate: 8 parts, Glass fiber: 11 parts, Decabromodiphenylethane : 8 parts, polyvinylidene fluoride: 14 parts, sodium lauryl sulfate: 6 parts, diatomaceous earth: 12 parts, chlorinated paraffin: 3 parts, cross-linked polyvinylpyrrolidone: 6 parts, flame retardant: 7 parts, curing agent: 5 parts, silane coupling agent: 3 parts, a...

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PUM

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Abstract

The invention discloses a moistureproof and flame-retardant insulated cable for instruments. The cable comprises a conductor and a sleeve tube; an insulating layer is arranged outside the conductor, and the conductor and the insulating layer which is arranged outside the conductor are arranged in the sleeve tube; a gap is provided between the sleeve tube and the insulating layer, and the gap is fully filled with an epoxy resin foaming material; the sleeve tube comprises the following components in parts by mass: 40-50 parts of EVA resin, 20-25 parts of terpolymer EP rubber, 15-25 parts of an ethylene-vinyl alcohol copolymer, 15-20 parts of colemanite, 5-7 parts of polyacrylamide, 3-4 parts of norbornane diisocyanate, 5-10 parts of calcium carbonate, 8-12 parts of glass fibre, 6-10 parts ofdecabromodiphenyl ethane, 10-15 parts of polyvinylidene fluoride, 3-7 parts of sodium dodecyl sulfate, 10-13 parts of diatomite, 1-3 parts of chlorinated paraffin, 3-8 parts of crosslinked polyvinylpyrrolidone, 5-10 parts of a fire retardant, 3-5 parts of a curing agent, 2-3 parts of a silane coupling agent, and a proper amount of deionized water. The product has good moisture prevention and flame retardation effects.

Description

technical field [0001] The invention relates to a moisture-proof and flame-retardant instrument insulated cable. Background technique [0002] The outer layer of cable insulation is mainly used to protect the inner layer wires. At present, most of them use polyvinyl chloride cable material, which is a multi-component mixed material based on PVC resin and added with various compounding agents. Because of its superior mechanical properties, good weather resistance, excellent electrical insulation properties, easy processing and low cost, it is widely used as insulation and sheath materials for wires and cables, but the cable insulation materials on the market still exist. There are many defects, some have poor moisture-proof effect and are prone to electric leakage, and some have poor flame-retardant effect and are likely to cause fire. Contents of the invention [0003] The object of the present invention is to provide a moisture-proof and flame-retardant instrument insula...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/08C08L23/16C08K13/04C08K7/14C08K3/22C08K3/26C08K5/03H01B7/02H01B7/18H01B7/28H01B7/282H01B7/29H01B7/295
Inventor 刘浩张君张欢芬
Owner SUZHOU HAOYAN PRECISION MOLD CO LTD
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