Flexible solid flame-retardant material and cable fireproof flame-retardant sheath with same

A kind of flame retardant material, fire retardant technology, applied in the field of cable fire protection, can solve the problems of insufficient fire retardant coating, too much fire retardant coating, complicated cable lines, etc., to reduce the burning range and the foaming duration is long , the effect of reducing costs

Inactive Publication Date: 2020-03-24
南京荣港电气技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another kind of fire retardant material for cables is fire retardant paint, which is applied on the surface of the cable. Generally, less smearing can not achieve the effect of fire resistance and flame retardant.
Generally, the layout of cable lines in urban comprehensive utility corridors is complicated and long, and fire-resistant coatings are used for cable fire protection. Too many fire-resistant coatings are required and the cost is too high.

Method used

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  • Flexible solid flame-retardant material and cable fireproof flame-retardant sheath with same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Elastic emulsion: 18%; Catalyst: 20%; Charging agent: 15%; Foaming agent: 15%; Inorganic pigment and filler: 1.5%; Water: 10%; Silicone waterproofing agent: 2%; ; High viscosity clay powder: 11%; Curing agent: 5%;

Embodiment 2

[0050] Elastic emulsion: 20%; Catalyst: 18%; Charging agent: 16%; Foaming agent: 15%; Inorganic pigment and filler: 1%; Water: 10%; Silicone waterproofing agent: 2%; ; High viscosity clay powder: 13%; Curing agent: 3%;

Embodiment 3

[0052] Elastic emulsion: 15%; Catalyst: 20%; Charging agent: 18%; Foaming agent: 18%; Inorganic pigment and filler: 1%; Water: 10%; Silicone waterproofing agent: 3%; Talc powder: 1% ; High viscosity clay powder: 10%; Curing agent: 4%;

[0053] The preparation method of the flexible solid flame-retardant material described in Examples 1-3 is as follows:

[0054](1) Add the elastic emulsion, char-forming agent, foaming agent, high-viscosity clay powder and 50% water into the mixer for stirring according to the above weight parts, the temperature is controlled at 100-110°C, and the stirring speed is 500 rpm- 800 rpm, stirring time is 3-5 minutes, then add catalyst, inorganic pigments and fillers, silicone waterproofing agent, talcum powder, and the remaining 50% water, increase the stirring speed to 1000-1200 rpm, first stir for 3 After -5 minutes, lower the temperature to 30-50°C while stirring, and reduce the stirring speed to 500-800 rpm until it becomes a sticky uniform slur...

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Abstract

The invention discloses a flexible solid flame-retardant material and a cable fireproof flame-retardant sheath with the same, and belongs to the technical field of cable fire prevention. The flexiblesolid flame-retardant material is prepared from the following raw materials in parts by weight: 15%-20% of elastic emulsion, 15%-20% of a catalyst, 15%-18% of a charring agent, 15%-18% of a foaming agent, 0.5%-2% of an inorganic pigment filler, 8%-10% of water, 2%-3% of an organosilicon waterproofing agent, 1%-3% of talcum powder, 10%-13% of high-viscosity clay powder and 3%-5% of a curing agent.The cable fireproof flame-retardant sheath prepared by matching the flexible solid flame-retardant material as a fireproof flame-retardant layer with an outer ferrule has good fireproof flame-retardant performance and is relatively low in cost; the organosilicon waterproofing agent and the curing agent are added into the material, so that the water resistance of the finished product is improved, and the finished product is harder than fireproof mud, is in a flexible solid state, can have a certain shape according to requirements, and can be conveniently used in any place.

Description

technical field [0001] The invention belongs to the technical field of cable fire prevention, in particular to a cable fire-proof and flame-retardant sheath with a new flame-retardant material. Background technique [0002] Existing cable fire-proof and flame-retardant materials are mainly divided into two types, one is fire-proof mud, but the existing fire-proof mud is relatively soft, and it is used for sealing vertical and horizontal wires and cables through holes, and its application range is relatively narrow. Another kind of fire-resistant and flame-retardant material for cables is fire-resistant paint, which is applied to the surface of the cable. In general, less coating can not achieve the effect of fire-resistant and flame-retardant. Generally, the layout of cable lines in urban comprehensive utility corridors is complex and long, and fire-resistant coatings are used for cable fire protection. Too many fire-resistant coatings are required and the cost is too high. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L33/04C08K3/34C08K3/38C08J9/04
CPCC08J9/0066C08J9/04C08J2333/04C08K3/34C08K3/346C08K2003/387
Inventor 黄河清金益炯
Owner 南京荣港电气技术有限公司
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