CN106349706A - Silicone rubber cable sheath material with high flame resistance - Google Patents
Silicone rubber cable sheath material with high flame resistance Download PDFInfo
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- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
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- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0009—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid alpha-D-Glucans, e.g. polydextrose, alternan, glycogen; (alpha-1,4)(alpha-1,6)-D-Glucans; (alpha-1,3)(alpha-1,4)-D-Glucans, e.g. isolichenan or nigeran; (alpha-1,4)-D-Glucans; (alpha-1,3)-D-Glucans, e.g. pseudonigeran; Derivatives thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- C08L2201/02—Flame or fire retardant/resistant
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- C08L2205/00—Polymer mixtures characterised by other features
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- 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
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a silicone rubber cable sheath material with high flame resistance. The silicone rubber cable sheath material comprises the following raw materials: silicone rubber, MQ silicon resin, Ethylene Propylene Diene Monomer, butadiene rubber, zinc oxide, stearic acid, 2,4-dichlorobenzoyl peroxide, trimethylolpropane trimethacrylate, benzyl triphenyl phosphorus chloride, bisphenol AF, alumina silicate fiber, ferric oxide, nano titanium dioxide, magnesium hydroxide modified by stearic acid, ammonium polyphosphate, aluminum nitride, nanometer silicon carbide, epoxidized soybean oil, dibutyl phthalate, trioctyl trimellitate, an accelerator, an anti-aging agent and modified beta-cyclodextrin. The silicone rubber cable sheath material has the advantages of high strength and good heat resistance and flame resistance.
Description
Technical field
The present invention relates to cable material technical field, more particularly, to a kind of high flame retardancy silicon rubber cable sheath material.
Background technology
Silicone rubber be a class with si-o key as main chain, with the organic group (such as methyl, vinyl, the benzene that are connected with si atom
Base etc.) for side chain cross-linkable solidifying macromolecular elastomer.Because silicone rubber has excellent high and low temperature resistance and anti-ageing
Change performance, can be within the scope of very wide temperature the features such as (- 50 DEG C～200 DEG C) life-time service, at present in electric, machine
The fields such as tool, automobile, chemical industry, Aeronautics and Astronautics, ship are widely used, and are also the material that field of cables is commonly used.But silicone rubber itself
Run into naked light meeting sustained combustion, deposit the less desirable defect of fire resistance with the cable that it makes, limit it in national warp
The application in each field of Ji, particularly has the occasion of particular/special requirement, generally requires it is modified to anti-flammability.
Content of the invention
The technical problem being existed based on background technology, the present invention proposes a kind of high flame retardancy silicon rubber cable sheath material,
Its intensity is high, heat-resist, excellent fireproof performance.
A kind of high flame retardancy silicon rubber cable sheath material proposed by the present invention, its raw material includes by weight: silicone rubber 50-
80 parts, mq silicones 10-35 part, ethylene propylene diene rubber 5-20 part, butadiene rubber 5-20 part, zinc oxide 1-2.5 part, stearic acid 1-
3 parts, 2,4- dichlorobenzoperoxide 0.5-2 part, trimethylol-propane trimethacrylate 0.5-2 part, benzyltriphenyl phosphonium
Phosphorus chloride 0.1-1 part, bis-phenol af 0.3-1.5 part, alumina silicate fibre 3-10 part, ferrum oxide 1-5 part, nano titanium oxide 3-12
Part, Surface Modification of Magnesium Hydroxide by Stearic Acid 4-10 part, APP 2-8 part, aluminium nitride 3-12 part, nanometer silicon carbide 2-10 part, epoxy
Soybean oil 0.5-1.5 part, dibutyl phthalate 1-5 part, trioctyl trimellitate (TOTM) 1-3 part, accelerator 2-3.8 part, anti-old
Agent 0.5-3 part, modified beta-schardinger dextrin -5-15 part.
Preferably, in its raw material, silicone rubber, mq silicones, ethylene propylene diene rubber, the weight of butadiene rubber are than for 60-70:
18-30:10-16:10-17.
Preferably, its raw material includes by weight: 66 parts of silicone rubber, 20 parts of mq silicones, 13 parts of ethylene propylene diene rubber, suitable
15 parts of buna, 1.9 parts of zinc oxide, 2 parts of stearic acid, 1.4 parts of 2,4- dichlorobenzoperoxide, trimethylol propane trimethyl
1.3 parts of acrylate, 0.8 part of BPP, 0.6 part of bis-phenol af, 7 parts of alumina silicate fibre, ferrum oxide 3 part, nanometer
10 parts of titanium dioxide, 8 parts of Surface Modification of Magnesium Hydroxide by Stearic Acid, 5.6 parts of APP, 10 parts of aluminium nitride, 5.6 parts of nanometer silicon carbide,
1.2 parts of epoxy soybean oil, 3.2 parts of dibutyl phthalate, 2 parts of trioctyl trimellitate (TOTM), 2.6 parts of accelerator, age resistor 2
Part, modified 12 parts of beta-schardinger dextrin-.
Preferably, the mean diameter of described nano titanium oxide is 50-85nm；The average diameter of described nanometer silicon carbide is
100-250nm.
Preferably, described accelerator be one of accelerator tmtd, accelerator dm, accelerator cz, accelerator nobs or
The multiple mixture of person.
Preferably, described age resistor be age resistor h, antioxidant 4020, age resistor 4040, in age resistor h, age resistor aw
One or more mixture.
Preferably, described modification beta-schardinger dextrin-is prepared according to following technique: by double for resorcinol (diphenyl) phosphoric acid
Ester adds in dimethyl acetylamide, is warming up to 55-60 DEG C, adds beta-schardinger dextrin-stirring 3-5h, then stand, go after stirring and dissolving
Except dry sediment obtains material a after supernatant；At room temperature, the sodium hydroxide solution being 5-10% with mass fraction is to fiber
Element carries out basification 10-20h, is washed with distilled water to ph value for 8-9, is subsequently adding silane coupler kh-560, and stirring is anti-
Answer 2-3h, then scrubbed, dry, pulverizing obtains material b；Material b is added in reaction unit, being subsequently adding mass fraction is
The sodium hydroxide solution of 25-35% and material a, concussion reaction 1-2h after being warming up to 50-60 DEG C, it is subsequently adding distilled water, through washing
Wash, filter, being dried to obtain described modification beta-schardinger dextrin-.
Preferably, the weight of double (diphenyl) phosphate ester of resorcinol and beta-schardinger dextrin-ratio is for 5-10:1-3.
Preferably, the weight of cellulose and silane coupler kh-560 is than for 10-20:2-3.
Preferably, material b, material a, mass fraction are the weight ratio of the sodium hydroxide solution of 25-35% for 1:1:50-
80.
High flame retardancy silicon rubber cable sheath material of the present invention can prepare work according to conventional silicon rubber composite material
Skill is prepared from.
High flame retardancy silicon rubber cable sheath material of the present invention, in its raw material, with silicone rubber and mq silicones as major ingredient, and plus
Enter ethylene propylene diene rubber and butadiene rubber has been modified to it, improved the compatibility of system so as to performance complement, reducing
On the premise of cost, significantly improve stability, tensile strength, tearing strength, thermostability, resistance to ag(e)ing and the bullet of sheath material
Property, improve the processing characteristics of sheath material simultaneously；With 2,4- dichlorobenzoperoxide, trimethylol propane trimethyl propylene
Acid esters, BPP and bis-phenol af coordinate as vulcanizing agent, make four to achieve co-vulcanization, and have highest
Tg, significantly improve the heat stability of sheath material, make ageing-resistant performance, shorea hardness and the processability of system simultaneously
Can be optimal；In Surface Modification of Magnesium Hydroxide by Stearic Acid addition system, it is uniformly dispersed in system, more step up with the interface cohesion of matrix
Close, hole is less, significantly improves after coordinating with ferrum oxide, nano titanium oxide, alumina silicate fibre, aluminium nitride, nanometer silicon carbide
The mechanical property of sheath material, gives sheath material excellent ageing-resistant performance simultaneously, and sheath material is through 300 DEG C × 72h warm
After air aging, still keep more than tensile strength 6.8mpa, percentage elongation more than 232%, Shao Er a hardness increases 3-6 compared with the initial stage
Spend, elongation at break reduces 10-13% compared with the initial stage, it is pasted with alumina silicate fibre, APP, aluminium nitride and modified β-ring simultaneously
After essence cooperation, there is significant cooperative flame retardant effect, improve the stability of burning charring rate and layer of charcoal, significantly improve shield
The anti-flammability of cover material, makes the oxygen index (OI) of material reach more than 38.2%, keeps 15min not burnt under 100 DEG C of thermal-flame
Wear；In addition because adding ferrum oxide, nano titanium oxide and nanometer silicon carbide in system, can eliminate during material is heated
Free radical, stops the attack to silicone rubber side base for the oxygen, thus substantially mitigating the thermal decomposition of silicone rubber, is keeping sheath material mechanics
The thermostability of sheath material, the oil resistivity under high temperature and anti-flammability is significantly improved while performance；In optimal way, changing
Property beta-schardinger dextrin-preparation process in, first double for resorcinol (diphenyl) phosphate esters are mixed with beta-schardinger dextrin-, make isophthalic two
Double (diphenyl) phosphate ester of phenol has proceeded in the cavity of beta-schardinger dextrin-and has obtained material a；By the cellulose after alkalization and silane
After coupling agent kh-560 mixing, the hydroxyl of cellulose surface and silane coupler kh-560 there occurs reaction, thus by epoxy radicals
It has been incorporated in cellulosic molecule and obtained material b；After material a is mixed with material b, the hydroxyl on material a surface can be with material b
The epoxide group reaction on surface, thus double for resorcinol (diphenyl) phosphate esters, beta-schardinger dextrin-, cellulose are combined as a whole
Arrive modified beta-schardinger dextrin-, be added in system, the excellent bonding performance with system, prevent the double (hexichol of resorcinol simultaneously
Base) phosphate ester inside polymeric matrix to the alumina silicate fibre in surface migration, with system, Surface Modification of Magnesium Hydroxide by Stearic Acid,
APP, aluminium nitride, nanometer silicon carbide have good synergism, significantly improve the decomposition temperature of sheath material, fall
Low weight loss rate, and define finer and close protective layer during sheath material burning, effectively prevent burning from generating
Volatile matter escape, starvation, it is to avoid the formation of flue dust, prevent melt drippage it is achieved that excellent flame-retardant smoke inhibition simultaneously
Effect.
Specific embodiment
Below, by specific embodiment, technical scheme is described in detail.
Embodiment 1
A kind of high flame retardancy silicon rubber cable sheath material proposed by the present invention, its raw material includes by weight: silicone rubber 80
Part, 10 parts of mq silicones, 20 parts of ethylene propylene diene rubber, 5 parts of butadiene rubber, 2.5 parts of zinc oxide, 1 part of stearic acid, 2,4- dichloro mistake
2 parts of BP, 0.5 part of trimethylol-propane trimethacrylate, 1 part of BPP, bis-phenol af 0.3
Part, 10 parts of alumina silicate fibre, 1 part of ferrum oxide, 12 parts of nano titanium oxide, 4 parts of Surface Modification of Magnesium Hydroxide by Stearic Acid, APP 8
Part, 3 parts of aluminium nitride, 10 parts of nanometer silicon carbide, 0.5 part of epoxy soybean oil, 5 parts of dibutyl phthalate, tri trimellitate are pungent
3 parts of ester, 3.8 parts of accelerator, 0.5 part of age resistor, modified 15 parts of beta-schardinger dextrin-.
Embodiment 2
A kind of high flame retardancy silicon rubber cable sheath material proposed by the present invention, its raw material includes by weight: silicone rubber 50
Part, 35 parts of mq silicones, 5 parts of ethylene propylene diene rubber, 20 parts of butadiene rubber, 1 part of zinc oxide, 3 parts of stearic acid, 2,4- dichloro peroxide
Change 0.5 part of benzoyl, 2 parts of trimethylol-propane trimethacrylate, 0.1 part of BPP, bis-phenol af 1.5
Part, 3 parts of alumina silicate fibre, 5 parts of ferrum oxide, 3 parts of nano titanium oxide, 10 parts of Surface Modification of Magnesium Hydroxide by Stearic Acid, APP 2
Part, 12 parts of aluminium nitride, 2 parts of nanometer silicon carbide, 1.5 parts of epoxy soybean oil, 1 part of dibutyl phthalate, tri trimellitate are pungent
1 part of ester, 2 parts of accelerator, 3 parts of age resistor, modified 5 parts of beta-schardinger dextrin-.
Embodiment 3
A kind of high flame retardancy silicon rubber cable sheath material proposed by the present invention, its raw material includes by weight: silicone rubber 60
Part, 30 parts of mq silicones, 10 parts of ethylene propylene diene rubber, 17 parts of butadiene rubber, 1.4 parts of zinc oxide, 2.3 parts of stearic acid, 2,4- bis-
1 part of chlorobenzoyl peroxide, 1.5 parts of trimethylol-propane trimethacrylate, 0.45 part of BPP, bis-phenol
1.2 parts of af, 6 parts of alumina silicate fibre, 4.2 parts of ferrum oxide, 6.8 parts of nano titanium oxide, 7 parts of Surface Modification of Magnesium Hydroxide by Stearic Acid, poly-
4.9 parts of ammonium phosphate, 7 parts of aluminium nitride, 6 parts of nanometer silicon carbide, 1.2 parts of epoxy soybean oil, 2.9 parts of dibutyl phthalate, partially
2.4 parts of benzenetricarboxylic acid three monooctyl ester, 2.6 parts of accelerator nobs, 0.3 part of age resistor h, 1.6 parts of antioxidant 4020, modified beta-schardinger dextrin-
8 parts；
Wherein, the mean diameter of described nano titanium oxide is 85nm；The average diameter of described nanometer silicon carbide is
100nm；
Described modification beta-schardinger dextrin-is prepared according to following technique: double for resorcinol (diphenyl) phosphate esters are added two
In methylacetamide, it is warming up to 55 DEG C, add beta-schardinger dextrin-stirring 5h after stirring and dissolving, wherein, resorcinol is double (diphenyl)
The weight of phosphate ester and beta-schardinger dextrin-ratio for 10:1, then stands, after removing supernatant, dry sediment obtains material a；In room
Under temperature, the sodium hydroxide solution being 5% with mass fraction carries out basification 20h to cellulose, is washed with distilled water to ph value
For 8, it is subsequently adding silane coupler kh-560, wherein, the weight of cellulose and silane coupler kh-560 ratio for 20:2, stirs
Reaction 3h, then scrubbed, dry, pulverizing obtains material b；Material b is added in reaction unit, being subsequently adding mass fraction is
25% sodium hydroxide solution and material a, wherein, material b, material a, mass fraction are the weight of 25% sodium hydroxide solution
Than for 1:1:80, concussion reaction 1h after being warming up to 60 DEG C, it is subsequently adding distilled water, scrubbed, filter, be dried to obtain described modification
Beta-schardinger dextrin-.
Embodiment 4
A kind of high flame retardancy silicon rubber cable sheath material proposed by the present invention, its raw material includes by weight: silicone rubber 70
Part, 18 parts of mq silicones, 16 parts of ethylene propylene diene rubber, 10 parts of butadiene rubber, 2.1 parts of zinc oxide, 1.9 parts of stearic acid, 2,4- bis-
1.7 parts of chlorobenzoyl peroxide, 0.9 part of trimethylol-propane trimethacrylate, 0.8 part of BPP, double
0.7 part of phenol af, 7.2 parts of alumina silicate fibre, 3.7 parts of ferrum oxide, 10 parts of nano titanium oxide, Surface Modification of Magnesium Hydroxide by Stearic Acid 5.8
Part, 6 parts of APP, 5.9 parts of aluminium nitride, 8 parts of nanometer silicon carbide, 0.7 part of epoxy soybean oil, 4 parts of dibutyl phthalate,
1.8 parts of trioctyl trimellitate (TOTM), 2 parts of accelerator tmtd, 1.2 parts of accelerator dm, 0.2 part of age resistor h, antioxidant 4020
0.3 part, 4,040 0.1 parts of age resistor, 0.1 part of age resistor h, 0.3 part of age resistor aw, modified 10 parts of beta-schardinger dextrin-；
Wherein, the mean diameter of described nano titanium oxide is 50nm；The average diameter of described nanometer silicon carbide is
250nm；
Described modification beta-schardinger dextrin-is prepared according to following technique: double for resorcinol (diphenyl) phosphate esters are added two
In methylacetamide, it is warming up to 60 DEG C, add beta-schardinger dextrin-stirring 3h after stirring and dissolving, wherein, resorcinol is double (diphenyl)
The weight of phosphate ester and beta-schardinger dextrin-ratio for 5:3, then stands, after removing supernatant, dry sediment obtains material a；In room temperature
Under, the sodium hydroxide solution being 10% with mass fraction carries out basification 10h to cellulose, is washed with distilled water to ph value and is
9, it is subsequently adding silane coupler kh-560, wherein, for 10:3, stirring is anti-for the weight of cellulose and silane coupler kh-560 ratio
Answer 2h, then scrubbed, dry, pulverizing obtains material b；Material b is added in reaction unit, being subsequently adding mass fraction is
35% sodium hydroxide solution and material a, wherein, material b, material a, mass fraction are the weight of 35% sodium hydroxide solution
Than for 1:1:50, concussion reaction 2h after being warming up to 50 DEG C, it is subsequently adding distilled water, scrubbed, filter, be dried to obtain described modification
Beta-schardinger dextrin-.
Embodiment 5
A kind of high flame retardancy silicon rubber cable sheath material proposed by the present invention, its raw material includes by weight: silicone rubber 66
Part, 20 parts of mq silicones, 13 parts of ethylene propylene diene rubber, 15 parts of butadiene rubber, 1.9 parts of zinc oxide, 2 parts of stearic acid, 2,4- dichloro
1.4 parts of benzoyl peroxide, 1.3 parts of trimethylol-propane trimethacrylate, 0.8 part of BPP, bis-phenol
0.6 part of af, 7 parts of alumina silicate fibre, 3 parts of ferrum oxide, 10 parts of nano titanium oxide, 8 parts of Surface Modification of Magnesium Hydroxide by Stearic Acid, poly- phosphorus
5.6 parts of sour ammonium, 10 parts of aluminium nitride, 5.6 parts of nanometer silicon carbide, 1.2 parts of epoxy soybean oil, 3.2 parts of dibutyl phthalate, partially
2 parts of benzenetricarboxylic acid three monooctyl ester, 0.5 part of accelerator tmtd, 1 part of accelerator dm, 0.3 part of accelerator cz, accelerator nobs 0.8
Part, 2 parts of age resistor h, modified 12 parts of beta-schardinger dextrin-；
Wherein, the mean diameter of described nano titanium oxide is 70nm；The average diameter of described nanometer silicon carbide is
200nm；
Described modification beta-schardinger dextrin-is prepared according to following technique: double for resorcinol (diphenyl) phosphate esters are added two
In methylacetamide, it is warming up to 58 DEG C, add beta-schardinger dextrin-stirring 4h after stirring and dissolving, wherein, resorcinol is double (diphenyl)
The weight of phosphate ester and beta-schardinger dextrin-ratio for 9:2, then stands, after removing supernatant, dry sediment obtains material a；In room temperature
Under, the sodium hydroxide solution being 8% with mass fraction carries out basification 16h to cellulose, is washed with distilled water to ph value and is
8, it is subsequently adding silane coupler kh-560, wherein, the weight of cellulose and silane coupler kh-560 ratio for 17:2.3, stirs
Reaction 2.6h, then scrubbed, dry, pulverizing obtains material b；Material b is added in reaction unit, is subsequently adding mass fraction
Sodium hydroxide solution for 30% and material a, wherein, material b, material a, mass fraction are the weight of 30% sodium hydroxide solution
Amount, than being 1:1:72, concussion reaction 1.6h after being warming up to 58 DEG C, is subsequently adding distilled water, scrubbed, filter, be dried to obtain described
Modified beta-schardinger dextrin-.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (10)
1. a kind of high flame retardancy silicon rubber cable sheath material is it is characterised in that its raw material includes by weight: silicone rubber 50-80
Part, mq silicones 10-35 part, ethylene propylene diene rubber 5-20 part, butadiene rubber 5-20 part, zinc oxide 1-2.5 part, stearic acid 1-3
Part, 2,4- dichlorobenzoperoxide 0.5-2 part, trimethylol-propane trimethacrylate 0.5-2 part, benzyltriphenyl phosphonium chlorine
Change phosphorus 0.1-1 part, bis-phenol af0.3-1.5 part, alumina silicate fibre 3-10 part, ferrum oxide 1-5 part, nano titanium oxide 3-12 part,
Surface Modification of Magnesium Hydroxide by Stearic Acid 4-10 part, APP 2-8 part, aluminium nitride 3-12 part, nanometer silicon carbide 2-10 part, epoxy soybean
Oily 0.5-1.5 part, dibutyl phthalate 1-5 part, trioctyl trimellitate (TOTM) 1-3 part, accelerator 2-3.8 part, age resistor
0.5-3 part, modified beta-schardinger dextrin -5-15 part.
2. according to claim 1 high flame retardancy silicon rubber cable sheath material it is characterised in that in its raw material, silicone rubber, mq
Silicones, ethylene propylene diene rubber, the weight of butadiene rubber are than for 60-70:18-30:10-16:10-17.
3. high flame retardancy silicon rubber cable sheath material according to claim 1 or claim 2 it is characterised in that its raw material by weight
Including: 66 parts of silicone rubber, 20 parts of mq silicones, 13 parts of ethylene propylene diene rubber, 15 parts of butadiene rubber, 1.9 parts of zinc oxide, stearic acid
2 parts, 1.4 parts of 2,4- dichlorobenzoperoxide, 1.3 parts of trimethylol-propane trimethacrylate, benzyl triphenyl phosphonium chloride
0.8 part of phosphorus, 0.6 part of bis-phenol af, 7 parts of alumina silicate fibre, 3 parts of ferrum oxide, 10 parts of nano titanium oxide, stearic acid modified hydrogen-oxygen
Change 8 parts of magnesium, 5.6 parts of APP, 10 parts of aluminium nitride, 5.6 parts of nanometer silicon carbide, 1.2 parts of epoxy soybean oil, phthalic acid two
3.2 parts of butyl ester, 2 parts of trioctyl trimellitate (TOTM), 2.6 parts of accelerator, 2 parts of age resistor, modified 12 parts of beta-schardinger dextrin-.
4. according to any one of claim 1-3 high flame retardancy silicon rubber cable sheath material it is characterised in that described nanometer
The mean diameter of titanium dioxide is 50-85nm；The average diameter of described nanometer silicon carbide is 100-250nm.
5. according to any one of claim 1-4 high flame retardancy silicon rubber cable sheath material it is characterised in that described promotion
Agent is one of accelerator tmtd, accelerator dm, accelerator cz, accelerator nobs or multiple mixture.
6. according to any one of claim 1-5 high flame retardancy silicon rubber cable sheath material it is characterised in that described anti-old
Agent is one of age resistor h, antioxidant 4020, age resistor 4040, age resistor h, age resistor aw or multiple mixture.
7. according to any one of claim 1-6 high flame retardancy silicon rubber cable sheath material it is characterised in that described modification
Beta-schardinger dextrin-is prepared according to following technique: double for resorcinol (diphenyl) phosphate esters is added in dimethyl acetylamide, rises
Temperature, to 55-60 DEG C, adds beta-schardinger dextrin-stirring 3-5h, then stands, after removing supernatant, dry sediment obtains after stirring and dissolving
To material a；At room temperature, the sodium hydroxide solution being 5-10% with mass fraction carries out basification 10-20h to cellulose,
It is washed with distilled water to ph value for 8-9, be subsequently adding silane coupler kh-560, stirring reaction 2-3h, then scrubbed, dry
Dry, pulverizing obtains material b；Material b is added in reaction unit, is subsequently adding the sodium hydroxide that mass fraction is 25-35% molten
Liquid and material a, concussion reaction 1-2h after being warming up to 50-60 DEG C, be subsequently adding distilled water, scrubbed, filter, be dried to obtain described
Modified beta-schardinger dextrin-.
8. according to claim 7 high flame retardancy silicon rubber cable sheath material it is characterised in that resorcinol double (diphenyl)
The weight of phosphate ester and beta-schardinger dextrin-is than for 5-10:1-3.
9. according to claim 7 or 8 high flame retardancy silicon rubber cable sheath material it is characterised in that cellulose and silane are even
The weight ratio of connection agent kh-560 is for 10-20:2-3.
10. according to any one of claim 7-9 high flame retardancy silicon rubber cable sheath material it is characterised in that material b,
Material a, mass fraction are the weight ratio of the sodium hydroxide solution of 25-35% for 1:1:50-80.
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| CN108164887A (en) * | 2017-11-28 | 2018-06-15 | 安徽华源电缆集团有限公司 | A kind of cable anticorrosion water-blocking buffer layer material |
| CN109135297A (en) * | 2018-08-31 | 2019-01-04 | 安庆市泽烨新材料技术推广服务有限公司 | Silicone rubber for cable sheath material and preparation method thereof |
| CN109206918A (en) * | 2018-08-31 | 2019-01-15 | 安庆市泽烨新材料技术推广服务有限公司 | Flame-proof cable sheath material and preparation method thereof |
| CN110498956A (en) * | 2019-09-07 | 2019-11-26 | 浙江康廷电子科技有限公司 | A kind of elastomer blended material with cable protection function |
| CN111941941A (en) * | 2020-06-29 | 2020-11-17 | 安徽浩天新型材料有限公司 | High-flame-retardant silicone rubber glass fiber braided tube |
| CN113773551A (en) * | 2021-10-22 | 2021-12-10 | 江苏卓峰新材料科技有限公司 | Magnesium-based environment-friendly flame retardant and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108164887A (en) * | 2017-11-28 | 2018-06-15 | 安徽华源电缆集团有限公司 | A kind of cable anticorrosion water-blocking buffer layer material |
| CN109135297A (en) * | 2018-08-31 | 2019-01-04 | 安庆市泽烨新材料技术推广服务有限公司 | Silicone rubber for cable sheath material and preparation method thereof |
| CN109206918A (en) * | 2018-08-31 | 2019-01-15 | 安庆市泽烨新材料技术推广服务有限公司 | Flame-proof cable sheath material and preparation method thereof |
| CN110498956A (en) * | 2019-09-07 | 2019-11-26 | 浙江康廷电子科技有限公司 | A kind of elastomer blended material with cable protection function |
| CN111941941A (en) * | 2020-06-29 | 2020-11-17 | 安徽浩天新型材料有限公司 | High-flame-retardant silicone rubber glass fiber braided tube |
| CN113773551A (en) * | 2021-10-22 | 2021-12-10 | 江苏卓峰新材料科技有限公司 | Magnesium-based environment-friendly flame retardant and preparation method thereof |
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