CN105968778A - Insulating material for high-power cable for coal mine - Google Patents

Insulating material for high-power cable for coal mine Download PDF

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CN105968778A
CN105968778A CN201610369567.5A CN201610369567A CN105968778A CN 105968778 A CN105968778 A CN 105968778A CN 201610369567 A CN201610369567 A CN 201610369567A CN 105968778 A CN105968778 A CN 105968778A
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parts
power cable
high power
vegetable protein
insulation material
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刘龙
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Fanchang Feide Communication Material Design Co Ltd
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Fanchang Feide Communication Material Design Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L89/00—Compositions of proteins; Compositions of derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/04—Thermoplastic elastomer

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Organic Insulating Materials (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

The invention discloses an insulating material for a high-power cable for a coal mine. The insulating material is prepared from, by weight, 18-26 parts of polyphenyl ether, 20-40 parts of thermoplastic polyurethane elastomers, 40-60 parts of modified plant protein, 1-2 parts of benzoyl peroxide, 0.2-0.8 part of polydimethylsiloxane of which the end group is vinyl, 0.2-0.8 part of 2,2'-dithio-dibenzo thiazole, 0.5-1.2 parts of dibutyltin dilaurate, 0.5-1.2 parts of diisopropylbenzene hydroperoxide, 0.5-1.2 parts of 2,6-di-tert-butyl-4-methylphenol, 1-2 parts of styrenated phenol, 0.5-1.4 parts of nickel dibutyldithiocarbamate, 0.2-0.8 parts of liquid coumarone, 0.2-0.8 part of hydroxyl silicone oil, 1-2 parts of stearic acid and 1-2 parts of magnesium stearate. The insulating material is good in heat stability and mechanical property and excellent in aging resistance.

Description

A kind of colliery high power cable Insulation Material
Technical field
The present invention relates to CABLE MATERIALS technical field, particularly relate to a kind of colliery high power cable Insulation Material.
Background technology
In recent years, along with the fast development of China market economy, coal industry was as world today's main energy sources One of basic industries obtain and develop rapidly, the nervous contradiction of energy supply is more and more prominent, for meeting this Demand, each big Coal Exploitation powerful coal excavation apparatus raising production capacity, and the cable of matched transmission electric power Requirement improve constantly, due to underground work bad environments, mine in the serious threat that occurs of various accidents Safety and the life of miner, the heat stability of matched cable, mechanical property and resistance to ag(e)ing are increasingly Cause the concern of people.
Summary of the invention
The technical problem existed based on background technology, the present invention proposes a kind of colliery high power cable with absolutely Edge material, Heat stability is good, mechanical property is good, and ageing-resistant performance is excellent.
A kind of colliery high power cable Insulation Material that the present invention proposes, its raw material includes by weight: poly- Phenylate 18-26 part, polyurethane termoplastic elastomer 20-40 part, modified vegetable protein 40-60 part, peroxide Changing benzoyl 1-2 part, end group is polydimethylsiloxane 0.2-0.8 part of vinyl, 2,2 '-dithio Bisbenzothiazole 0.2-0.8 part, dibutyl tin laurate 0.5-1.2 part, di-isopropylbenzene hydroperoxide 0.5-1.2 part, 2,6-di-tert-butyl-4-methy phenol 0.5-1.2 parts, styrene phenol 1-2 part, two fourths Base aminodithioformic acid nickel 0.5-1.4 part, liquid coumarone 0.2-0.8 part, hydroxy silicon oil 0.2-0.8 Part, stearic acid 1-2 part, magnesium stearate 1-2 part.
Preferably, modified vegetable protein use following technique prepare: by weight by 20-40 part zein, 8-16 part soybean protein, 100-160 part water mix homogeneously, be warming up to 80-90 DEG C of homogeneous milled processed, filters, Addition 50-100 part water, 40-60 part dehydrated alcohol, 0.5-1.5 part PVP stir, Microwave treatment 10-20min, microwave power is 400-500W, adds 20-40 part lactalbumin, 80-120 part In neutral phosphate buffer mixed at room temperature stirring 4-5h, 70-78 DEG C of stirring in water bath 20-30min, regulation System pH to 7.2-7.4, adds 1-3 part oleic acid, 1-2 part sorbitol, 1-2 part galactose mix and blend 20-50min, whipping temp is 40-60 DEG C, adds 0.001-0.004 part T-5398 at 40-46 DEG C Water-bath concussion 1-2h, inactivation, regulation system pH to neutral, add under stirring 20-40 part polyethylene, 2-15 part calcium carbonate, 10-20 part nano silicon, 1-3 part age resistor, continue stirring after adding completely 20-40min, obtains modified vegetable protein.
Preferably, polyphenylene oxide, polyurethane termoplastic elastomer, the weight ratio of modified vegetable protein are 20-25: 30-36:50-58.
Preferably, benzoyl peroxide, end group be the polydimethylsiloxane of vinyl, 2,2 '-dithio The weight ratio of bisbenzothiazole is 1.4-1.8:0.4-0.6:0.5-0.7.
Preferably, modified vegetable protein, dibutyl tin laurate, di-isopropylbenzene hydroperoxide, 2,6-bis- Tert-butyl-4-methyl-Phenol, styrene phenol, the weight ratio of nickel dibutyl dithiocarbamate are 50-58: 0.6-1:0.8-1:0.6-0.8:1.4-1.8:1-1.2.
Preferably, 2,6-di-tert-butyl-4-methy phenols, styrene phenol, dibutyl dithiocaarbamate Nickel, liquid coumarone, hydroxy silicon oil, stearic acid, the weight ratio of magnesium stearate are 0.6-0.8:1.4-1.8: 1-1.2:0.5-0.8:0.4-0.6:1.5-1.8:1.5-1.8.
Preferably, modified vegetable protein, liquid coumarone, hydroxy silicon oil, stearic acid, the weight of magnesium stearate Amount ratio is 50-58:0.5-0.8:0.4-0.6:1.5-1.8:1.5-1.8.
Preferably, described colliery high power cable Insulation Material, its raw material includes by weight: polyphenyl Ether 20-25 part, polyurethane termoplastic elastomer 30-36 part, modified vegetable protein 50-58 part, peroxidating Benzoyl 1.4-1.8 part, end group is polydimethylsiloxane 0.4-0.6 part of vinyl, 2,2 '-two sulfur For bisbenzothiazole 0.5-0.7 part, dibutyl tin laurate 0.6-1 part, di-isopropylbenzene hydroperoxide 0.8-1 Part, 2,6-di-tert-butyl-4-methy phenol 0.6-0.8 parts, styrene phenol 1.4-1.8 part, dibutyl two Nickel dithiocarbamate 1-1.2 part, liquid coumarone 0.5-0.8 part, hydroxy silicon oil 0.4-0.6 part, firmly Fat acid 1.5-1.8 part, magnesium stearate 1.5-1.8 part.
In the present invention, polyphenylene oxide, polyurethane termoplastic elastomer, modified vegetable protein is used to be used as base Material, benzoyl peroxide, end group be the polydimethylsiloxane of vinyl, 2,2 '-dithio dibenzo thiophene Azoles mating reaction, goods heat stability, mechanical property are good, and ageing-resistant performance is excellent, wherein, changing of addition Property vegetable protein in, after zein, soybean protein high-temperature process deform, at dehydrated alcohol, polyethylene ratio Pyrrolidone microwave helps after melting process, with the lactalbumin added under oleic acid, sorbitol, galactose effect, Not only compactness is high, and toughness is fabulous with stretch-proof performance, further under transglutamin-ase 9 enzyme catalysis, not Amino on modified protein is combined with hydroxyl amide groups, Heat stability is good, with zinc sulfate, calcium carbonate, nanometer Silicon dioxide, age resistor dispersion are high, and the compatibility, Heat stability is good, ageing-resistant performance is fabulous, mechanical property Can be fabulous, and the polydimethylsiloxane effect that modified vegetable protein and end group are vinyl, can effectively reduce Modified vegetable protein internal flaw and the formation in cavity, heat stability, ageing-resistant increase with mechanical property further By force, 2,6-di-tert-butyl-4-methy phenols, styrene phenol, nickel dibutyl dithiocarbamate and liquid Coumarone, hydroxy silicon oil, stearic acid, magnesium stearate synergism, not only can effectively slow down the aging speed of goods Degree, and the elongation at break of goods is higher, mechanical property is good, and service life is long.The present invention, thermally-stabilised good, Mechanical property is good, and service life is long.
Detailed description of the invention
Embodiment 1
A kind of colliery high power cable Insulation Material, its raw material includes by weight: polyphenylene oxide 18 parts, poly- Urethane thermoplastic elastomer (TPE) 40 parts, modified vegetable protein 40 parts, benzoyl peroxide 2 parts, end group is second The polydimethylsiloxane of thiazolinyl 0.2 part, 2,2 '-dithio-bis-benzothiazole 0.8 part, tin dilaurate two Butyl tin 0.5 part, di-isopropylbenzene hydroperoxide 1.2 parts, 2,6-di-tert-butyl-4-methy phenols 0.5 part, Styrene phenol 2 parts, nickel dibutyl dithiocarbamate 0.5 part, liquid coumarone 0.8 part, hydroxyl Silicone oil 0.2 part, stearic acid 2 parts, magnesium stearate 1 part.
Embodiment 2
A kind of colliery high power cable Insulation Material, its raw material includes by weight: polyphenylene oxide 26 parts, poly- Urethane thermoplastic elastomer (TPE) 20 parts, modified vegetable protein 60 parts, benzoyl peroxide 1 part, end group is second The polydimethylsiloxane of thiazolinyl 0.8 part, 2,2 '-dithio-bis-benzothiazole 0.2 part, tin dilaurate two Butyl tin 1.2 parts, di-isopropylbenzene hydroperoxide 0.5 part, 2,6-di-tert-butyl-4-methy phenols 1.2 parts, Styrene phenol 1 part, nickel dibutyl dithiocarbamate 1.4 parts, liquid coumarone 0.2 part, hydroxyl Silicone oil 0.8 part, stearic acid 1 part, magnesium stearate 2 parts.
Embodiment 3
A kind of colliery high power cable Insulation Material, its raw material includes by weight: polyphenylene oxide 20 parts, poly- Urethane thermoplastic elastomer (TPE) 36 parts, modified vegetable protein 50 parts, benzoyl peroxide 1.8 parts, end group is The polydimethylsiloxane of vinyl 0.4 part, 2,2 '-dithio-bis-benzothiazole 0.7 part, tin dilaurate Dibutyl tin 0.6 part, di-isopropylbenzene hydroperoxide 1 part, 2,6-di-tert-butyl-4-methy phenols 0.6 part, Styrene phenol 1.8 parts, nickel dibutyl dithiocarbamate 1 part, liquid coumarone 0.8 part, hydroxyl Silicone oil 0.4 part, stearic acid 1.8 parts, magnesium stearate 1.5 parts.
Modified vegetable protein uses following technique to prepare: by weight by 40 parts of zeins, 8 portions of Semen sojae atricolor eggs In vain, 160 parts of water mix homogeneously, be warming up to 80 DEG C of homogeneous milled processed, filter, add 100 parts of water, 40 Part dehydrated alcohol, 1.5 parts of PVPs stir, microwave treatment 10min, and microwave power is 500W, Add 20 parts of lactalbumins, 120 parts of phosphate buffer mixed at room temperature stirring 4h in neutrality, 78 DEG C of water Bath stirring 20min, regulation system pH to 7.4, adds 1 part of oleic acid, 2 parts of sorbitol, 1 portion of galactose mixed Closing stirring 50min, whipping temp is 40 DEG C, adds 0.004 part of T-5398 and shakes 40 DEG C of water-baths 2h, inactivation, regulation system pH to neutral, add under stirring 20 parts of polyethylene, 15 parts of calcium carbonate, 10 parts of nano silicons, 3 parts of age resistor, continue stirring 20min, obtain improved plant egg after adding completely In vain.
Embodiment 4
A kind of colliery high power cable Insulation Material, its raw material includes by weight: polyphenylene oxide 25 parts, poly- Urethane thermoplastic elastomer (TPE) 30 parts, modified vegetable protein 58 parts, benzoyl peroxide 1.4 parts, end group is The polydimethylsiloxane of vinyl 0.6 part, 2,2 '-dithio-bis-benzothiazole 0.5 part, tin dilaurate Dibutyl tin 1 part, di-isopropylbenzene hydroperoxide 0.8 part, 2,6-di-tert-butyl-4-methy phenols 0.8 part, Styrene phenol 1.4 parts, nickel dibutyl dithiocarbamate 1.2 parts, liquid coumarone 0.5 part, hydroxyl Base silicone oil 0.6 part, stearic acid 1.5 parts, magnesium stearate 1.8 parts.
Modified vegetable protein uses following technique to prepare: by weight by 20 parts of zeins, 16 portions of Semen sojae atricolor eggs In vain, 100 parts of water mix homogeneously, be warming up to 90 DEG C of homogeneous milled processed, filter, add 50 parts of water, 60 parts Dehydrated alcohol, 0.5 part of PVP stir, microwave treatment 20min, and microwave power is 400W, Add 40 parts of lactalbumins, 80 parts of phosphate buffer mixed at room temperature stirring 5h in neutrality, 70 DEG C of water-baths Stirring 30min, regulation system pH to 7.2, add 3 parts of oleic acid, 1 part of sorbitol, 2 parts of galactose mixing Stirring 20min, whipping temp is 60 DEG C, adds 0.001 part of T-5398 and shakes 1h 46 DEG C of water-baths, Inactivation, regulation system pH to neutral, add under stirring 40 parts of polyethylene, 2 parts of calcium carbonate, 20 parts Nano silicon, 1 part of age resistor, continue stirring 40min, obtain modified vegetable protein after adding completely.
Embodiment 5
A kind of colliery high power cable Insulation Material, its raw material includes by weight: polyphenylene oxide 23 parts, poly- Urethane thermoplastic elastomer (TPE) 33 parts, modified vegetable protein 54 parts, benzoyl peroxide 1.6 parts, end group is The polydimethylsiloxane of vinyl 0.5 part, 2,2 '-dithio-bis-benzothiazole 0.6 part, tin dilaurate Dibutyl tin 0.7 part, di-isopropylbenzene hydroperoxide 0.9 part, 2,6-di-tert-butyl-4-methy phenols 0.7 part, Styrene phenol 1.6 parts, nickel dibutyl dithiocarbamate 1.1 parts, liquid coumarone 0.6 part, hydroxyl Base silicone oil 0.5 part, stearic acid 1.6 parts, magnesium stearate 1.6 parts.
Modified vegetable protein uses following technique to prepare: by weight by 32 parts of zeins, 12 portions of Semen sojae atricolor eggs In vain, 130 parts of water mix homogeneously, be warming up to 86 DEG C of homogeneous milled processed, filter, add 80 parts of water, 50 parts Dehydrated alcohol, 1.2 parts of PVPs stir, microwave treatment 14min, and microwave power is 460W, Add 32 parts of lactalbumins, 100 parts of phosphate buffer mixed at room temperature stirring 4.5h in neutrality, 74 DEG C of water Bath stirring 26min, regulation system pH to 7.3, add 2 parts of oleic acid, 1.5 portions of sorbitol, 1.6 portions of galas Sugar mix and blend 35min, whipping temp is 52 DEG C, adds 0.002 part of T-5398 42 DEG C of water-baths Concussion 1.5h, inactivation, regulation system pH, to neutral, adds 32 parts of polyethylene, 10 parts of carbon under stirring Acid calcium, 16 parts of nano silicons, 2 parts of age resistor, continue stirring 32min, obtain modification after adding completely Vegetable protein.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention not office Being limited to this, any those familiar with the art is in the technical scope that the invention discloses, according to this The technical scheme of invention and inventive concept thereof in addition equivalent or change, all should contain the protection in the present invention Within the scope of.

Claims (8)

1. a colliery high power cable Insulation Material, it is characterised in that its raw material includes by weight: Polyphenylene oxide 18-26 part, polyurethane termoplastic elastomer 20-40 part, modified vegetable protein 40-60 part, mistake BP 1-2 part, end group is polydimethylsiloxane 0.2-0.8 part of vinyl, 2,2 '-two sulfur For bisbenzothiazole 0.2-0.8 part, dibutyl tin laurate 0.5-1.2 part, di-isopropylbenzene hydroperoxide 0.5-1.2 part, 2,6-di-tert-butyl-4-methy phenol 0.5-1.2 parts, styrene phenol 1-2 part, two fourths Base aminodithioformic acid nickel 0.5-1.4 part, liquid coumarone 0.2-0.8 part, hydroxy silicon oil 0.2-0.8 Part, stearic acid 1-2 part, magnesium stearate 1-2 part.
Colliery the most according to claim 1 high power cable Insulation Material, it is characterised in that modified Vegetable protein use following technique prepare: by weight by 20-40 part zein, 8-16 part soybean protein, 100-160 part water mix homogeneously, is warming up to 80-90 DEG C of homogeneous milled processed, filters, and adds 50-100 part Water, 40-60 part dehydrated alcohol, 0.5-1.5 part PVP stir, microwave treatment 10-20min, microwave power is 400-500W, adds 20-40 part lactalbumin, 80-120 part in neutrality Phosphate buffer mixed at room temperature stirring 4-5h, 70-78 DEG C of stirring in water bath 20-30min, regulation system pH is extremely 7.2-7.4, adds 1-3 part oleic acid, 1-2 part sorbitol, 1-2 part galactose mix and blend 20-50min, Whipping temp is 40-60 DEG C, adds 0.001-0.004 part T-5398 and shakes 40-46 DEG C of water-bath 1-2h, inactivation, regulation system pH, to neutral, adds 20-40 part polyethylene, 2-15 part under stirring Calcium carbonate, 10-20 part nano silicon, 1-3 part age resistor, continue stirring 20-40min after adding completely, Obtain modified vegetable protein.
Colliery the most according to claim 1 and 2 high power cable Insulation Material, it is characterised in that Polyphenylene oxide, polyurethane termoplastic elastomer, the weight ratio of modified vegetable protein are 20-25:30-36:50-58.
4., according to the colliery high power cable Insulation Material described in any one of claim 1-3, its feature exists In, benzoyl peroxide, end group be the polydimethylsiloxane of vinyl, 2,2 '-dithio dibenzo thiophene The weight ratio of azoles is 1.4-1.8:0.4-0.6:0.5-0.7.
5., according to the colliery high power cable Insulation Material described in any one of claim 1-4, its feature exists In, modified vegetable protein, dibutyl tin laurate, di-isopropylbenzene hydroperoxide, 2,6-di-t-butyl-4- Methylphenol, styrene phenol, the weight ratio of nickel dibutyl dithiocarbamate are 50-58:0.6-1: 0.8-1:0.6-0.8:1.4-1.8:1-1.2.
6., according to the colliery high power cable Insulation Material described in any one of claim 1-5, its feature exists In, 2,6-di-tert-butyl-4-methy phenols, styrene phenol, nickel dibutyl dithiocarbamate, liquid Coumarone, hydroxy silicon oil, stearic acid, the weight ratio of magnesium stearate are 0.6-0.8:1.4-1.8:1-1.2: 0.5-0.8:0.4-0.6:1.5-1.8:1.5-1.8.
7., according to the colliery high power cable Insulation Material described in any one of claim 1-6, its feature exists In, modified vegetable protein, liquid coumarone, hydroxy silicon oil, stearic acid, the weight ratio of magnesium stearate are 50-58: 0.5-0.8:0.4-0.6:1.5-1.8:1.5-1.8.
8., according to the colliery high power cable Insulation Material described in any one of claim 1-7, its feature exists In, its raw material includes by weight: polyphenylene oxide 20-25 part, polyurethane termoplastic elastomer 30-36 part, Modified vegetable protein 50-58 part, benzoyl peroxide 1.4-1.8 part, end group is the poly dimethyl of vinyl Siloxanes 0.4-0.6 part, 2,2 '-dithio-bis-benzothiazole 0.5-0.7 part, dibutyl tin laurate 0.6-1 part, di-isopropylbenzene hydroperoxide 0.8-1 part, 2,6-di-tert-butyl-4-methy phenol 0.6-0.8 parts, Styrene phenol 1.4-1.8 part, nickel dibutyl dithiocarbamate 1-1.2 part, liquid coumarone 0.5-0.8 Part, hydroxy silicon oil 0.4-0.6 part, stearic acid 1.5-1.8 part, magnesium stearate 1.5-1.8 part.
CN201610369567.5A 2016-05-30 2016-05-30 Insulating material for high-power cable for coal mine Pending CN105968778A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
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CN107022193A (en) * 2017-04-21 2017-08-08 安徽电气集团股份有限公司 A kind of extremely frigid zones direct burial power cable
CN107312320A (en) * 2017-07-31 2017-11-03 铜陵市铜都特种线缆有限公司 A kind of jacket layer material for underground power cable
CN107509930A (en) * 2017-09-30 2017-12-26 张庆华 A kind of ground rice preparation method not easy to break
CN109096735A (en) * 2018-07-10 2018-12-28 天长市优信电器设备有限公司 A kind of high elongation rate polyphenylene oxide charger case material
EP4143258A4 (en) * 2020-05-01 2024-05-22 Modern Meadow Inc Protein polyurethane alloys and layered materials including the same

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