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Low-smoke fireproofing cable material without halide and its preparation method

A flame-retardant cable material and raw material technology, applied in the direction of insulating cables, cables, circuits, etc., can solve the problems of poor compatibility between inorganic materials and organic materials, achieve good water resistance and electrical insulation performance, improve smoke suppression and flame retardancy effect, the effect of adding a small amount

Inactive Publication Date: 2007-04-25
YUNNAN CHEM RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to address the deficiencies of the prior art, to provide a new type of cable material, on the basis of realizing the requirements of low smoke, halogen-free and flame retardant, to strengthen the mechanical properties of the material, and to overcome the problem of poor compatibility between inorganic materials and organic materials technical challenge

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Weigh 70 parts of medium density polyethylene (MDPE), 30 parts of ethylene-octene elastomer copolymer (POE), 45 parts of ammonium polyphosphate (APP) with a degree of polymerization of 500 and a particle size of 25um, and 15 parts of trihydric alcohol-soluble nylon , 1.5 parts of melamine (MEL), 5 parts of zinc borate (ZB) with a particle size of 25um, 10 parts of ethylene-octene elastomer copolymer grafted maleic anhydride copolymer, 0.6 parts of titanate coupling agent (qq127), 0.3 part of antioxidant (1010) and 0.2 part of magnesium stearate are used for later use. Put ammonium polyphosphate (APP), melamine (MEL) and zinc borate (ZB) in a high-speed mixer, mix evenly, spray and coat the mixed powder with qq127 for 5 minutes, then add medium density polyethylene ( MDPE), ethylene-octene elastomeric copolymer (POE), trihydric alcohol soluble nylon, ethylene-octene elastomeric copolymer grafted maleic anhydride copolymer, antioxidant 1010 and magnesium stearate, stir un...

Embodiment 2

[0037] Repeat embodiment 1, following difference is arranged: the weight portion of each raw material is made up of medium density polyethylene (MDPE) 80 parts, ethylene-octene elastomeric copolymer (POE) 20 parts, the polymer of degree of polymerization 600, particle diameter 20um 40 parts of ammonium phosphate (APP); 15 parts of trihydric alcohol-soluble nylon, 1.5 parts of melamine (MEL), 5 parts of zinc borate (ZB) with a particle size of 20um, ethylene-octene elastomer copolymer grafted maleic anhydride copolymer 10 parts, 0.4 parts of titanate coupling agent (qq127), 0.3 parts of antioxidant (1010) and 0.4 parts of magnesium stearate. After testing, the indicators are shown in Table 1.

Embodiment 3

[0039] Repeat embodiment 1, following difference is arranged: the parts by weight of each raw material are composed of 90 parts of medium density polyethylene (MDPE), 10 parts of ethylene-vinyl acetate copolymer (EVA), the ammonium polyphosphate of degree of polymerization 700, particle diameter 15um (APP) 30 parts; 10 parts of trihydric alcohol soluble nylon, 1 part of melamine (MEL), 10 parts of zinc borate (ZB) with a particle size of 15um, 5 parts of ethylene-vinyl acetate copolymer grafted maleic anhydride copolymer, titanium 0.4 parts of ester coupling agent (qq127), 0.3 parts of antioxidant (1010) and 0.2 parts of calcium stearate. After testing, the indicators are shown in Table 1.

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Abstract

The invention discloses a low-smoke flame-proof non-halogen cable material and preparing method, which comprises the following steps: blending polyphosphoric ammonia and zinc boride evenly; spraying and cladding the composite material through coupler; adding middle-density polyethylene, copolymer, functional nylon, compatible agent, anti-oxidant and lubricant to stir evenly; transmitting composite material into concurrent twin-screw extruder to fuse; graining after winding to obtain the product.

Description

technical field [0001] The invention belongs to the technical field of cable protection materials, and in particular relates to a low-smoke, halogen-free and flame-retardant cable material. At the same time, the invention also relates to a preparation method of the cable material. Background technique [0002] Wires and cables are widely used in the transmission of energy and information. The traditional cable covering materials are made of flammable polymer synthetic materials, which are not only easy to age and have a short service life, but also are easily damaged by excessive line loads during use. Or the external temperature is too high to burn, causing a fire. At the same time, its combustion will produce a large amount of smoke and poisonous gas, which will cause breathing difficulties, fainting, and even death to the inhaler, seriously endangering the lives and property safety of the people. With the continuous enhancement of people's awareness of safety and enviro...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08K5/3492H01B7/295C08L23/08C08L77/00C08L51/06C08K5/09C08K3/32
Inventor 李云东李海丽王汝春刘晨曦曾波
Owner YUNNAN CHEM RES INST
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