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Surface crystallization ceramization environment-friendly fire retardant for electric wires and cables and preparation method thereof

A wire and cable, flame retardant technology, applied in the field of polymer materials, to achieve the effect of delaying escape time, good stability, and improving processing technology

Inactive Publication Date: 2016-12-07
广州市新稀冶金化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, experiments have proved that when the FEP cable burns, it will release a colorless, odorless, and more toxic gas than HCL, which is 1.5 times more toxic than PVC and 5 times more toxic than LSOH cables.

Method used

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  • Surface crystallization ceramization environment-friendly fire retardant for electric wires and cables and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The mass parts of raw materials are: PVC 100 parts, SiO 2 55 servings; Al 2 O 3 20 servings; Fe 2 O 3 0.5 part; CaO1 part; MgO0.1 part; Na 2 O 1.5 servings; K 2 1.5 parts of O; 10 parts of low-temperature ceramization aid; 3 parts of lubricant; 2 parts of surface treatment agent.

[0028] According to a certain ratio, add SiO in turn 2 , Al2O 3 , Fe 2 O 3 , CaO, MgO, Na 2 O, K 2 O. The low-temperature ceramization aid is placed in a rapid mixer, the temperature is raised to 120° C., and the reaction is carried out for 120 minutes, and then 3 parts of lubricant and 2 parts of surface treatment agent are added to obtain the surface crystalline ceramization and environmental protection flame retardant for wire and cable.

[0029] The PVC and the flame retardant are added to the high-speed mixer and mixed evenly according to the proportion, and then the material strip is extruded from the die head with a twin-screw extruder. After drying, injection molding was p...

Embodiment 2

[0035] The mass parts of raw materials are: PVC 100 parts, SiO 2 70 servings; Al 2 O 3 30 servings; Fe 2 O 3 0.5 part; CaO 1 part; MgO 0.1 part; Na 2 O 1.5 servings; K 2 12 parts of O; 20 parts of low temperature ceramization aid; 5 parts of lubricant; 4 parts of surface treatment agent.

[0036] According to a certain ratio, add SiO in turn 2 , Al 2 O 3 , Fe 2 O 3 , CaO, MgO, Na 2 O, K 2 O. The low-temperature ceramization aid is placed in a rapid mixer, the temperature is raised to 120° C., and the reaction is performed for 120 minutes. Then, 5 parts of lubricant and 4 parts of surface treatment agent are added to obtain the surface crystalline ceramization and environmental protection flame retardant for wire and cable.

[0037] The PVC and the flame retardant are added to the high-speed mixer and mixed evenly according to the proportion, and then the material strip is extruded from the die head with a twin-screw extruder. After drying, injection molding was ...

Embodiment 3

[0043] The mass parts of raw materials are: PVC 100 parts, SiO 2 60 servings; Al 2 O 3 30 servings; Fe 2 O 3 0.5 part; CaO 2 parts; MgO 0.1 part; Na 2 O 1.5 servings; K 2 12 parts of O; 20 parts of low-temperature ceramicizing aid; 5 parts of lubricant; 8 parts of surface treatment agent.

[0044] According to a certain ratio, add SiO in turn 2 , Al 2 O 3 , Fe 2 O 3 , CaO, MgO, Na 2 O, K 2 O. The low-temperature ceramization aid is placed in a rapid mixer, the temperature is raised to 120° C., and the reaction is carried out for 120 minutes. Then, 5 parts of lubricant and 8 parts of surface treatment agent are added to obtain the surface crystalline ceramization and environmental protection flame retardant for wire and cable.

[0045] The PVC and the flame retardant are added to the high-speed mixer and mixed evenly according to the proportion, and then the material strip is extruded from the die head with a twin-screw extruder. After drying, injection molding ...

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Abstract

The invention discloses a surface crystallization ceramization environment-friendly fire retardant for electric wires and cables and a preparation method thereof, and belongs to the technical field of high polymer materials. The surface crystallization ceramization environment-friendly fire retardant is prepared from, by weight, 55-70 parts of SiO2, 20-30 parts of Al2O3, 0.5-1.5 parts of Fe2O3, 1-2 parts of CaO, 0.1-0.5 part of MgO, 1.5-2.5 parts of Na2O, 1.5-3 parts of K2O, 10-15 parts of low-temperature ceramization additive, 3-5 parts of lubricant and 2-8 parts of surface treating agent. The fire retardant is in a powder state, and all the raw materials are scientifically compounded by simulating the chemical composition of ceramic. An electric wire matrix is filled with the fire retardant, when combustion reaches certain temperature, a dense and hard ceramic face protection layer can be formed on the surfaces of the electric wires and cables to protect the electric wires, and the escape time is prolonged. Meanwhile, the fire retardant is environmentally friendly and free of pollution and is an environment-friendly product.

Description

technical field [0001] The invention discloses a surface crystalline ceramicized environmental protection flame retardant for wires and cables and a preparation method thereof, belonging to the technical field of polymer materials. Background technique [0002] With the rapid development of my country's economy, the power and telecommunications industry has become an important pillar of the national economy, and wires and cables are an indispensable and important material for the power and telecommunications industry. However, in recent years, fires caused by electrical appliances have increased year by year, and among them, fires caused by wires and cables account for a considerable proportion. In the frequent cable fire accidents, due to the low fire resistance of the wire and cable itself, the fire prevention measures are not perfect, the fire spreads quickly after the fire, the fire is fierce, and it is difficult to put out. It is very long, which seriously affects the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08K13/06C08K3/36C08K3/22
CPCC08K13/06C08K3/22C08K3/36C08K2003/2206C08K2003/222C08K2003/2227C08K2003/2272C08L27/06
Inventor 杨雪英陈建山钟学群刘民
Owner 广州市新稀冶金化工有限公司
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