CN103865174A - Ultra-thin wall insulating cable material for urban rail - Google Patents

Abstract

The invention discloses a ultra-thin wall insulating cable material for an urban rail. The cable material is prepared from the following raw materials in parts by weight: 31-40 parts of polydicyclopentadiene, 50-60 parts of polypropylene, 4-6 parts of polyphenyl ether, 0.4-1 part of N-cyclohexyl-N'-phenyl p-phenylenediamine, 12-15 parts of fast extruding furnace black, 1-2 parts of tetramethoxy methyl glycoluril, 3-5 parts of polyethylene glycol monooleate, 4-6 parts of tricresyl phosphate, 1-2 parts of captan, 7-9 parts of marble powder, 1-2 parts of anti-ageing agent BPS, 5-7 parts of silicon carbide, 1-2 parts of ammonium polyphosphate and 10-12 parts of composite filler. The cable material disclosed by the invention is good in mechanical performance, high in insulating resistivity, capable of well protecting a cable from being easily punctured, and realizing ultra-thin performance of an insulating wall, and especially applicable to high-speed railways and urban mass transits.

Description

A kind of ultra-thin-wall insulation city rail CABLE MATERIALS

Technical field

The present invention relates generally to field of cables, relates in particular to a kind of ultra-thin-wall insulation city rail CABLE MATERIALS.

Background technology

Along with the fast development of cable cause, high-quality CABLE MATERIALS is subject to increasing favor, not only good weatherability of high-quality CABLE MATERIALS, long service life, and safety and environmental protection, therefore pursue the competition that higher-quality CABLE MATERIALS not only can be won the market, also modernization construction has been played to great support and help.

Summary of the invention

The object of the invention is just to provide a kind of ultra-thin-wall insulation city rail CABLE MATERIALS.

The present invention is achieved by the following technical solutions:

A kind of ultra-thin-wall insulation city rail CABLE MATERIALS, it is made up of the raw material of following weight parts:

Polydicyclopentadiene 31-40, polypropylene 50-60, polyphenylene oxide 4-6, N cyclohexyl N' phenyl P phenylene diamine 0.4-1, extrude carbon black 12-15, tetramethoxymethylglycoluril 1-2, polyoxyethylene oleic acid ester 3-5, Tritolyl Phosphate 4-6, Vancide 89 1-2, marble flour 7-9, anti-aging agent BPS1-2, silicon carbide 5-7, ammonium polyphosphate 1-2, compounded mix 10-12 soon;

Described compounded mix is made up of the raw material of following weight parts:

Linear low density polyethylene 25-30, sepiolite powder 10-16, pentaerythritol triacrylate 2-3, light calcium carbonate 5-10, aluminium dihydrogen phosphate 2-3, tetrafluoroethylene 3-5, polydimethylsiloxane 1-2;

Above-mentioned linear low density polyethylene, sepiolite powder are mixed, and at 500-600 DEG C, stirring heating 4-10 minute, is cooled to normal temperature, add tetrafluoroethylene, ball grinding stirring mixing 6-8 minute, obtains Preblend, above-mentioned light calcium carbonate, aluminium dihydrogen phosphate are mixed, at 60-70 DEG C, be uniformly mixed 3-5 minute, add pentaerythritol triacrylate, be stirred to normal temperature, mix with above-mentioned Preblend, add the each raw material of residue, post-drying stirs, grind, obtain described compounded mix.

A preparation method for CABLE MATERIALS for ultra-thin-wall insulation city rail, comprises the following steps:

Above-mentioned fast extrusion carbon black, polydicyclopentadiene, polyoxyethylene oleic acid ester are mixed, at 70-100 DEG C, be uniformly mixed 4-6 minute, be reduced to 40-60 DEG C, add ammonium polyphosphate, tetramethoxymethylglycoluril, continue to be uniformly mixed 10-12 minute, be cooled to normal temperature, add the each raw material of residue, melt extrude, cooling, granulation, obtains described CABLE MATERIALS.

Advantage of the present invention is:

CABLE MATERIALS good mechanical property of the present invention, insulation resistivity is high, can be good at protecting cable to be not easy breakdown, realizes the ultra-thin property of insulating wall, is specially adapted to high-speed railway and urban track traffic.

Embodiment

Embodiment 1

A kind of ultra-thin-wall insulation city rail CABLE MATERIALS, it by following weight parts (kilogram) raw material form:

Polydicyclopentadiene 40, polypropylene 60, polyphenylene oxide 6, N cyclohexyl N' phenyl P phenylene diamine 0.4, extrude carbon black 15, tetramethoxymethylglycoluril 1, polyoxyethylene oleic acid ester 3, Tritolyl Phosphate 4, Vancide 89 2, marble flour 7-9, anti-aging agent BPS2, silicon carbide 5, ammonium polyphosphate 2, compounded mix 12 soon;

Described compounded mix is made up of the raw material of following weight parts:

Linear low density polyethylene 30, sepiolite powder 16, pentaerythritol triacrylate 3, light calcium carbonate 10, aluminium dihydrogen phosphate 2, tetrafluoroethylene 3, polydimethylsiloxane 1;

Above-mentioned linear low density polyethylene, sepiolite powder are mixed, and at 600 DEG C, stirring heating 10 minutes, is cooled to normal temperature, add tetrafluoroethylene, ball grinding stirring mixes 8 minutes, obtains Preblend, above-mentioned light calcium carbonate, aluminium dihydrogen phosphate are mixed, at 70 DEG C, be uniformly mixed 5 minutes, add pentaerythritol triacrylate, be stirred to normal temperature, mix with above-mentioned Preblend, add the each raw material of residue, post-drying stirs, grind, obtain described compounded mix.

A preparation method for CABLE MATERIALS for ultra-thin-wall insulation city rail, comprises the following steps:

Above-mentioned fast extrusion carbon black, polydicyclopentadiene, polyoxyethylene oleic acid ester are mixed, at 100 DEG C, be uniformly mixed 6 minutes, be reduced to 60 DEG C, add ammonium polyphosphate, tetramethoxymethylglycoluril, continue to be uniformly mixed 12 minutes, be cooled to normal temperature, add the each raw material of residue, melt extrude, cooling, granulation, obtains described CABLE MATERIALS.

Performance test:

Tensile strength: 16.8MPa;

Elongation at break: 443%;

Hardness Shao Shi (A): 89.

Claims (2)

1. a ultra-thin-wall insulation city rail CABLE MATERIALS, is characterized in that what it was made up of the raw material of following weight parts:

Polydicyclopentadiene 31-40, polypropylene 50-60, polyphenylene oxide 4-6, N cyclohexyl N' phenyl P phenylene diamine 0.4-1, extrude carbon black 12-15, tetramethoxymethylglycoluril 1-2, polyoxyethylene oleic acid ester 3-5, Tritolyl Phosphate 4-6, Vancide 89 1-2, marble flour 7-9, anti-aging agent BPS1-2, silicon carbide 5-7, ammonium polyphosphate 1-2, compounded mix 10-12 soon;

Described compounded mix is made up of the raw material of following weight parts:

Linear low density polyethylene 25-30, sepiolite powder 10-16, pentaerythritol triacrylate 2-3, light calcium carbonate 5-10, aluminium dihydrogen phosphate 2-3, tetrafluoroethylene 3-5, polydimethylsiloxane 1-2;

Above-mentioned linear low density polyethylene, sepiolite powder are mixed, and at 500-600 DEG C, stirring heating 4-10 minute, is cooled to normal temperature, add tetrafluoroethylene, ball grinding stirring mixing 6-8 minute, obtains Preblend, above-mentioned light calcium carbonate, aluminium dihydrogen phosphate are mixed, at 60-70 DEG C, be uniformly mixed 3-5 minute, add pentaerythritol triacrylate, be stirred to normal temperature, mix with above-mentioned Preblend, add the each raw material of residue, post-drying stirs, grind, obtain described compounded mix.

2. a preparation method for CABLE MATERIALS for ultra-thin-wall insulation city rail as claimed in claim 1, is characterized in that comprising the following steps:

Above-mentioned fast extrusion carbon black, polydicyclopentadiene, polyoxyethylene oleic acid ester are mixed, at 70-100 DEG C, be uniformly mixed 4-6 minute, be reduced to 40-60 DEG C, add ammonium polyphosphate, tetramethoxymethylglycoluril, continue to be uniformly mixed 10-12 minute, be cooled to normal temperature, add the each raw material of residue, melt extrude, cooling, granulation, obtains described CABLE MATERIALS.