CN107011662B - Fire prevention minerals silicone rubber compound, fire prevention minerals silastic material, preparation method and the power supply line including it - Google Patents
Fire prevention minerals silicone rubber compound, fire prevention minerals silastic material, preparation method and the power supply line including it Download PDFInfo
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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- 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
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
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- H—ELECTRICITY
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- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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- H—ELECTRICITY
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
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- 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
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
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- 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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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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Abstract
The present invention provides a kind of fire prevention minerals silicone rubber compound, fire prevention minerals silastic material, preparation method and including its power supply line.The fire prevention minerals silicone rubber compound, in parts by weight, composition include: 50~100 parts of methyl vinyl silicone rubber；30~50 parts of montmorillonite；5~10 parts of quaternary ammonium salt surface modifier；10~20 parts of glass powder with low melting point；30~50 parts of aluminium hydroxide；And 5~10 parts of polyalcohol.The ceramic layer structure that above-mentioned fire prevention minerals silicone rubber compound is formed is stable, mechanical property distribution is uniform, when by sheath as power supply line, further improves the flexibility and fire protecting performance of power supply line.
Description
Technical field
The present invention relates to fire proofing material fields, in particular to a kind of fire prevention minerals silicone rubber compound, fire prevention mine
Substance silastic material, preparation method and the power supply line including it.
Background technique
Air conditioner power source line surface layer sheath uses flame-proof PVC material, and the structure of inner layer core is flame retardant polyolefine material extrusion
Coat copper wire.When one side socket is on fire, Persistence flame can spread to always air-conditioning along power supply line, cause air-conditioning on fire；Separately
One side power supply line short circuit, the high temperature of generation can melt the flame retardant polyolefine material of copper wire outer cladding, and the contact of zero firewire generates
Sparking, also brings along serious fire hazard.
The wire and cable in industrial and heavy construction mostly uses fire prevention mineral insulated cable at present, and the cable is in high temperature
Its lower mineral layer can sinter solid ceramic into, form good thermal insulation layer, prevent the copper wire between core from contacting with each other and short
Road also prevents the sprawling of flame, but this fire prevention mineral material hardness is very big, can not accomplish flexibility, can not be in air-conditioning
It is used on power supply line.
Summary of the invention
The main purpose of the present invention is to provide a kind of fire prevention minerals silicone rubber compounds, fire prevention minerals silicon rubber material
Material, preparation method and the power supply line including it, to solve the problems, such as that air conditioner power source line fire protecting performance in the prior art is poor.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of fire prevention minerals rubber composition
Object, in parts by weight, composition include: 50~100 parts of methyl vinyl silicone rubber；30~50 parts of montmorillonite；Quaternary ammonium salt surface
5~10 parts of modifying agent；10~20 parts of glass powder with low melting point；30~50 parts of aluminium hydroxide；And 5~10 parts of polyalcohol.
Further, above-mentioned quaternary ammonium salt surface modifier is selected from cetyl trimethylammonium bromide, double hexadecyldimethylamines
Any one or more in ammonium chloride, octadecyltrimethylammonium chloride and dodecyl trimethyl ammonium bromide.
Further, above-mentioned polyalcohol is in pentaerythrite, trimethylolethane, diglycol and dipropylene glycol
Any one or more.
Further, in parts by weight, above-mentioned composition further includes 1~2 part of vulcanizing agent, and preferably vulcanizing agent is peroxidating two
Isopropylbenzene, 2,5- dimethyl -2,5- bis(t-butylperoxy) hexane and 2,5- dimethyl -2,5- bis(t-butylperoxy) -
Any one or more in 3- hexane.
Further, in parts by weight, above-mentioned composition further includes 10~30 parts of white carbon blacks and/or 0~30 part of carbon black, excellent
Selecting composition further includes 10~30 parts of white carbon blacks and/or 10~30 parts of carbon blacks.
Further, in parts by weight, above-mentioned composition further includes 5~10 parts of composite assistants, and composite assistant includes antioxygen
Agent and anti-light aging agent, preferably antioxidant and the weight ratio of anti-light aging agent are 5:1~40:1.
Further, above-mentioned antioxidant is suffocated amine antioxidant, and preferably DNP, anti-light aging agent is light stabilizer
1084。
According to another aspect of the present invention, a kind of fire prevention minerals silastic material is provided, using fire prevention minerals silicon
Rubber composition is prepared, the fire prevention minerals rubber composition which is any of the above-described kind
Object.
According to another aspect of the invention, a kind of preparation method of minerals silastic material of preventing fires, the preparation are provided
Method uses any of the above-described kind of fire prevention minerals silicone rubber compound for raw material, and the following steps are included: S1, utilizes quaternary ammonium salt
Montmorillonite is modified, modified montmorillonoid is obtained；S2, by methyl vinyl silicone rubber, modified montmorillonoid, low-melting glass
It plasticates after powder, aluminium hydroxide and polyalcohol mixing, obtains fire prevention minerals basestocks；And S3, by minerals base of preventing fires
Plinth material is granulated, and fire prevention minerals silastic material is obtained.
Further, above-mentioned steps S1 include: by montmorillonite and quaternary ammonium salt in 60~100 DEG C of blender with 150~
250 revs/min of revolving speed stirs 20~40 minutes, obtains modified montmorillonoid.
Further, above-mentioned composition further includes white carbon black, carbon black, vulcanizing agent and composite assistant, and step S2 includes: to 80
In~120 DEG C of plasticator, methyl vinyl silicone rubber, modified montmorillonoid, glass powder with low melting point and aluminium hydroxide are sequentially added,
It is plasticated 8~15 minutes after charging with 500~1000 revs/min of revolving speed, obtains body of plasticating；It is sequentially added into body of plasticating
Polyalcohol, vulcanizing agent, white carbon black, carbon black and composite assistant plasticate 10 after charging with 500~1000 revs/min of revolving speed
~20 minutes, obtain fire prevention minerals basestocks.
Further, above-mentioned steps S3 includes: the double rank granulation that minerals basestocks of preventing fires are placed in 75~180mm of Φ
Machine carries out kneading granulation at 90~160 DEG C, obtains fire prevention minerals silastic material.
In accordance with a further aspect of the present invention, a kind of power supply line, including conducting wire, inner sheath and oversheath are provided, the interior shield
Set and/or oversheath use above-mentioned fire prevention minerals silastic material or any of the above-described kind of preparation method to obtain fire prevention mineral
Matter silastic material is prepared.
It applies the technical scheme of the present invention, by by methyl vinyl silicone rubber, montmorillonite, glass powder with low melting point and hydrogen-oxygen
Change aluminium to be combined, so that being formed by fire prevention minerals silastic material has flexibility, fire line and insulating properties, because
When this is applied to power supply line as sheath, the flexibility of power supply line and the insulating properties of sheath and fire line ensure that.Its
In methyl vinyl silicone rubber be basis material, can form SiO 2-ceramic layer at high temperature, completely cut off heat transfer, and
With certain hardness and strength, its internal structure can be protected to influence from external forces.Glass powder with low melting point can be shown
Write reduce methyl vinyl silicone rubber at porcelain temperature (being reduced to 450 DEG C from 700 DEG C), guarantee the methyl second as basis material
Alkenyl silicon rubber begins to form SiO 2-ceramic layer at a lower temperature, so as to protection power source at lower temperatures
Line inner conductor.Aluminium hydroxide is halogen-free flame retardants, and can make basis material quickly self-extinguishing without fire.In addition, due to this Shen
It please use quaternary ammonium salt surface modifier to be modified montmorillonite, can be improved montmorillonite in methyl vinyl silicone rubber
Dispersion effect is mixed, preferably help is formed by ceramic layer and is bonded, and then is capable of forming stable structure, mechanical property point
The uniform sheath of cloth further improves the flexibility and fire protecting performance of power supply line.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram for the power supply line that a kind of exemplary embodiment according to the present invention provides.
Wherein, the above drawings include the following reference numerals:
10, conducting wire；20, inner sheath；30, oversheath.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It is poor for the fire protecting performance of power supply line in the prior art as the application background technique is analyzed, in order to solve
The problem is this application provides a kind of fire prevention minerals silicone rubber compound, and in parts by weight, the composition includes: ethylene methacrylic
50~100 parts of base silicon rubber；30~50 parts of montmorillonite；5~10 parts of quaternary ammonium salt surface modifier；Glass powder with low melting point 10~20
Part；30~50 parts of aluminium hydroxide；And 5~10 parts of polyalcohol.
The application by the way that methyl vinyl silicone rubber, montmorillonite, glass powder with low melting point and aluminium hydroxide are combined, from
And to be formed by fire prevention minerals silastic material with flexibility, fire line and insulating properties, therefore be applied to electricity
When source line is used as sheath, the flexibility of power supply line and the insulating properties of sheath and fire line ensure that.Methyl ethylene therein
Silicon rubber is basis material, can form SiO 2-ceramic layer at high temperature, completely cuts off heat transfer, and have certain hardness
And intensity, its internal structure can be protected to influence from external forces.Glass powder with low melting point can significantly reduce ethylene methacrylic
Base silicon rubber at porcelain temperature (being reduced to 450 DEG C from 700 DEG C), guarantee methyl vinyl silicone rubber as basis material compared with
It begins to form SiO 2-ceramic layer at a temperature of low, so as to protection power source line inner conductor at lower temperatures.Hydrogen
Aluminium oxide is halogen-free flame retardants, and can make basis material quickly self-extinguishing without fire.
In addition, being modified since the application uses quaternary ammonium salt surface modifier to montmorillonite, montmorillonite can be improved
Mixing dispersion effect in methyl vinyl silicone rubber, preferably help are formed by ceramic layer and are bonded, and then can
Stable structure, the uniform sheath of mechanical property distribution are formed, the flexibility and fire protecting performance of power supply line are further improved.
Quaternary ammonium salt surface modifier be based primarily upon in quaternary ammonium salt cation and montmorillonite in metal cation occur from
Sub- exchange reaction, organic group is introduced into the interlayer structure of montmorillonite, and then carries out intercalation modifying to montmorillonite.Therefore, energy
Enough realize that the quaternary ammonium salt of above-mentioned modified effect is contemplated that applied to the application.In a preferred embodiment of the present application, on
It states quaternary ammonium salt surface modifier and is selected from cetyl trimethylammonium bromide, dioctadecyl dimethyl ammonium chloride, octadecyl three
Any one or more in ammonio methacrylate and dodecyl trimethyl ammonium bromide.It had both been able to achieve using the realization of above-mentioned quaternary ammonium salt
Stable modification to montmorillonite and the dispersibility in silicon rubber can be promoted again.
Above-mentioned polyalcohol promotes montmorillonite, fire resistant infilling and fire retardant and matrix primarily as the effect of surface active
The compatibility of material, therefore the polyalcohol that can be functioned as described above can be considered as the polyalcohol of the application.In the application
In a kind of preferred embodiment, above-mentioned polyalcohol is selected from pentaerythrite, trimethylolethane, diglycol and dipropylene glycol
In any one or more, on the basis of above-mentioned polyalcohol can be realized above-mentioned surface activation, be more advantageous to operation and
Save the cost.
In order to accelerate the speed of plasticating of above-mentioned composition, preferably in parts by weight, above-mentioned composition further includes 1~2 part of sulphur
Agent, preferably vulcanizing agent are cumyl peroxide, 2,5- dimethyl -2,5- bis(t-butylperoxy) hexane and 2,5- diformazan
Any one or more in base -2,5- bis(t-butylperoxy) -3- hexane.Promote basis material using above-mentioned vulcanizing agent
Vulcanization crosslinking effect in the case where plasticating, optimization are formed by the mechanical property of product.
In the application another kind preferred embodiment, above-mentioned composition further include 10~30 parts of white carbon blacks and/or 10~
30 parts of carbon blacks.The color additives of carbon black and white carbon black as material, wherein carbon black can provide the color for being formed by sheath,
Power supply line is set to meet the appearance requirement of product.
In addition, in order to extend the service life that the composition of the application is formed by fire prevention minerals silastic material, it is excellent
In parts by weight, the composition further includes 5~10 parts of composite assistants for choosing, and composite assistant includes antioxidant and anti-light aging agent, excellent
It selects antioxidant and the weight ratio of anti-light aging agent is 5:1~40:1.Fire prevention minerals silicon rubber is improved using above-mentioned composite assistant
Ageing-resistant performance of the material under high temperature and illumination delays the generation hardened and changed colour.
In a kind of preferred embodiment of the application, above-mentioned antioxidant is suffocated amine antioxidant, and preferably DNP is anti-light old
Agent is light stabilizer 1084.Above-mentioned antioxidant and the ageing-resistant performance of anti-light aging agent are especially prominent.
Most preferably, in parts by weight, fire prevention minerals silica-gel composition includes: 80 parts of methyl vinyl silicone rubbers, 40 parts
Montmorillonite, 8 parts of quaternary ammonium salt surface modifiers, 15 parts of glass powder with low melting point, 40 parts of aluminium hydroxides, 8 parts of polyalcohols, 20 parts of gas phases are white
Carbon black.
In another typical embodiment of the application, a kind of fire prevention minerals silastic material is provided, using anti-
Fiery minerals silicone rubber compound is prepared, which is any of the above-described kind of fire prevention minerals silicon
Rubber composition.
Fire prevention minerals silastic material is formed by with soft using the fire prevention minerals silicone rubber compound of the application
Toughness, fire line and insulating properties, therefore when being applied to power supply line as sheath, it ensure that the flexibility and shield of power supply line
The insulating properties and fire line of set.Methyl vinyl silicone rubber therein is basis material, can form silica at high temperature
Ceramic layer completely cuts off heat transfer, and has certain hardness and strength, its internal structure can be protected from external forces shadow
It rings.Glass powder with low melting point can significantly reduce methyl vinyl silicone rubber at porcelain temperature (being reduced to 450 DEG C from 700 DEG C), protect
It demonstrate,proves and begins to form SiO 2-ceramic layer at a lower temperature as the methyl vinyl silicone rubber of basis material, so as to
Enough protection power source line inner conductors at lower temperatures.In addition, being taken off since the application uses quaternary ammonium salt surface modifier to illiteracy
Soil is modified, and can be improved mixing dispersion effect of the montmorillonite in silicon rubber, preferably help be formed by ceramic layer into
Row bonding, and then it is capable of forming the uniform sheath of stable structure, mechanical property distribution, further improve the flexibility of power supply line
And fire protecting performance.
In the application in another typical embodiment, a kind of preparation side of minerals silastic material of preventing fires is provided
Method, the preparation method use any of the above-described kind of fire prevention minerals silicone rubber compound for raw material, and the following steps are included: S1, benefit
Montmorillonite is modified with quaternary ammonium salt, obtains modified montmorillonoid；S2, by methyl vinyl silicone rubber, modified montmorillonoid, eutectic
It plasticates after point glass powder, aluminium hydroxide and polyalcohol mixing, obtains fire prevention minerals basestocks；And S3, by mine of preventing fires
Material base material is granulated, and fire prevention minerals silastic material is obtained.
Montmorillonite is modified first with quaternary ammonium salt, obtains modified montmorillonoid, to improve montmorillonite in ethylene methacrylic
Mixing dispersion effect in base silicon rubber；Then each raw material is plasticated and is granulated again, fire prevention minerals silicon rubber can be obtained
Glue material, preparation process is simple, easy to operate.Moreover, obtained fire prevention minerals silastic material has flexibility, fire prevention
Property and insulating properties, therefore when being applied to power supply line as sheath, ensure that the flexibility of power supply line and the insulation of sheath
Property and fire line.
The method that the application uses quaternary ammonium salt to be modified montmorillonite can refer to the prior art, and the application is for letter
Change operation, preferably above-mentioned steps S1 include: by montmorillonite and quaternary ammonium salt in 60~100 DEG C of blender with 150~250 turns/
The revolving speed of minute stirs 20~40 minutes, obtains modified montmorillonoid.
In the application another kind preferred embodiment, above-mentioned composition further includes white carbon black, carbon black, vulcanizing agent and compound
Auxiliary agent, step S2 include: to sequentially add methyl vinyl silicone rubber, modified montmorillonoid, low into 80~120 DEG C of plasticator
Melting glass frit and aluminium hydroxide are plasticated 8~15 minutes with 500~1000 revs/min of revolving speed after charging, are plasticated
Body；Polyalcohol, vulcanizing agent, white carbon black, carbon black and composite assistant are sequentially added into body of plasticating, after charging with 500~
1000 revs/min of revolving speed is plasticated 10~20 minutes, and fire prevention minerals basestocks are obtained.
By the control of charging sequence, so that these inorganic material of modified montmorillonoid, glass powder with low melting point and aluminium hydroxide
It can be dispersed in silicon rubber as homogeneously as possible under the action of plasticator；Then, polyalcohol, vulcanizing agent is further added
Equal substances are advanced optimized the dispersion effect of above-mentioned each inorganic material using the effect of polyalcohol, and are promoted using vulcanizing agent
Crosslinking avoids premature crosslinking that inorganic material is caused to disperse non-uniform problem.
Being granulated for above-mentioned steps S3 can also be implemented using granulation mode conventional in the prior art, preferably above-mentioned steps S3
Include: the double rank granulation machine that minerals basestocks of preventing fires are placed in 75~180mm of Φ, kneading granulation carried out at 90~160 DEG C,
Obtain fire prevention minerals silastic material.Silicon rubber is tentatively vulcanized at the temperature disclosed above, has certain mechanical property, just
Cladding copper wire machine-shaping is squeezed out in subsequent power line.
In the application in another typical embodiment, a kind of power supply line, including conducting wire 10,20 and of inner sheath are provided
Oversheath 30, inner sheath 20 and/or oversheath 30 are prepared using above-mentioned fire prevention minerals silastic material or any of the above-described kind
Method obtains fire prevention minerals silastic material and is prepared.
Being formed by inner sheath and oversheath using the fire prevention minerals silastic material of the application has flexibility, fire prevention
Property and insulating properties, therefore ensure that the flexibility of power supply line and the insulating properties of sheath and fire line.
The beneficial effect of the application is further illustrated below with reference to embodiment and comparative example.
The composition of the fire prevention minerals silicone rubber compound of each embodiment and comparative example is shown in Table in 1, wherein methyl ethylene
Silicon rubber is purchased from Jiangsu Ya Ke chemical company, and montmorillonite is purchased from Zhejiang Fenghong New Material Co., Ltd., glass powder with low melting point
Purchased from Foshan Dong Gu new material company.
The process approach of the fire prevention minerals silastic material of each embodiment and comparative example is as follows:
Montmorillonite and quaternary ammonium salt are stirred C minutes in A DEG C of blender with B revs/min, modified cover is obtained and takes off
Soil；
In D DEG C of twin-roll plastic mixing mill, sequentially add methyl vinyl silicone rubber, modified montmorillonoid, glass powder with low melting point,
Aluminium hydroxide is plasticated F minutes with E revs/min.
Pentaerythrite, cumyl peroxide, gas-phase silica, composite assistant is added to continue to plasticate G minutes, to
Mixed sheet is uniformly dispersed, bottom sheet after soft smooth, obtains fire prevention minerals basestocks.
Above-mentioned fire prevention minerals basestocks are put into Φ 75~180mm double rank granulation machine, kneading granulation is carried out at H DEG C,
Obtain fire prevention minerals silastic material.
Specific implementation parameter in the various embodiments described above is shown in Table 2.
Table 1
Table 20
It is raw material using fire prevention minerals silastic material prepared by the various embodiments described above and comparative example, makes power supply line
Inner sheath and oversheath, wherein inner sheath with a thickness of about 1.5mm, the diameter of power supply line is between 9.2 ± 0.3mm, and to institute
Power supply line obtained carries out mechanics, the test of electrical and fire resistance, and test method is shown in Table 3, and test result is shown in Table 4.
Table 3
Table 4
Cetyl trimethyl season is utilized according in table 4, the comparison of embodiment 1 and comparative example 4 can be seen that work as to have used
The modified montmorillonite of ammonium salt, fills up SiO 2-ceramic layer gap, calcination can be made at the densification of SiO 2-ceramic layer after porcelain
Degree increases, and can effectively completely cut off heat transfer, while guaranteeing that SiO 2-ceramic layer can bear various external forces (such as water
Vapour, shock) influence, that is, improve its every mechanical property；And it can be seen by the comparison of embodiment 1 and comparative example 1 to 3
Out, the ratio of imvite modified middle montmorillonite and quaternary ammonium salt also has apparent influence on modified effect, and then influences to be formed
Protective layer flexibility and intensity, be formed by titanium dioxide using montmorillonite and quaternary ammonium salt in range defined herein
Silicon protective layer flexibility and intensity are higher.
Meanwhile after having used antioxidant and anti-light aging agent, also have obviously to the properties for being formed by power supply
Improvement result.
In addition, being compared according to embodiment 1, embodiment 15, the data of embodiment 19 to 21 as can be seen that the application uses
After vulcanizing agent, the mechanical property and flame retardant property of power supply line can be obviously improved, and the control of its dosage 1.0~2.0 it
Between when, improvement becomes apparent from.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
The application by the way that methyl vinyl silicone rubber, montmorillonite, glass powder with low melting point and aluminium hydroxide are combined, from
And to be formed by fire prevention minerals silastic material with flexibility, fire line and insulating properties, therefore be applied to electricity
When source line is used as sheath, the flexibility of power supply line and the insulating properties of sheath and fire line ensure that.Methyl ethylene therein
Silicon rubber is basis material, can form SiO 2-ceramic layer at high temperature, completely cuts off heat transfer, and have certain hardness
And intensity, its internal structure can be protected to influence from external forces.Glass powder with low melting point can significantly reduce ethylene methacrylic
Base silicon rubber at porcelain temperature (being reduced to 450 DEG C from 700 DEG C), guarantee methyl vinyl silicone rubber as basis material compared with
It begins to form SiO 2-ceramic layer at a temperature of low, so as to protection power source line inner conductor at lower temperatures.Hydrogen
Aluminium oxide is halogen-free flame retardants, and can make basis material quickly self-extinguishing without fire.
In addition, being modified since the application uses quaternary ammonium salt surface modifier to montmorillonite, montmorillonite can be improved
Mixing dispersion effect in methyl vinyl silicone rubber, preferably help are formed by ceramic layer and are bonded, and then can
Stable structure, the uniform sheath of mechanical property distribution are formed, the flexibility and fire protecting performance of power supply line are further improved.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of fire prevention minerals silicone rubber compound, which is characterized in that in parts by weight, the composition includes:
Wherein, the polyalcohol is any one in pentaerythrite, trimethylolethane, diglycol and dipropylene glycol
Kind or it is a variety of, the quaternary ammonium salt surface modifier be cetyl trimethylammonium bromide, dioctadecyl dimethyl ammonium chloride or
For dodecyl trimethyl ammonium bromide in terms of the parts by weight, the composition further includes 1~2 part of vulcanizing agent, 10~30 parts of hard charcoals
Black and/or 0~30 part of carbon black, the vulcanizing agent are cumyl peroxide, 2,5- dimethyl -2,5- bis(t-butylperoxy)
Any one in hexane.
2. composition according to claim 1, which is characterized in that in terms of the parts by weight, the composition further includes 10
~30 parts of white carbon blacks and/or 10~30 parts of carbon blacks.
3. composition according to claim 1, which is characterized in that in terms of the parts by weight, the composition further includes 5~
10 parts of composite assistants, the composite assistant include antioxidant and anti-light aging agent.
4. composition according to claim 3, which is characterized in that the weight ratio of the antioxidant and the anti-light aging agent
For 5:1~40:1.
5. composition according to claim 3, which is characterized in that the antioxidant is suffocated amine antioxidant.
6. composition according to claim 5, which is characterized in that the antioxidant is DNP, and the anti-light aging agent is light
Stabilizer 1084.
7. a kind of fire prevention minerals silastic material is prepared using fire prevention minerals silicone rubber compound, which is characterized in that
The fire prevention minerals silicone rubber compound is fire prevention minerals silicone rubber compound described in any one of claims 1 to 6.
8. a kind of preparation method for minerals silastic material of preventing fires, which is characterized in that the preparation method uses claim 1
It is raw material to fire prevention minerals silicone rubber compound described in any one of 6, and the following steps are included:
S1 is modified montmorillonite using quaternary ammonium salt, obtains modified montmorillonoid；
S2, after methyl vinyl silicone rubber, the modified montmorillonoid, glass powder with low melting point, aluminium hydroxide and polyalcohol are mixed
It plasticates, obtains fire prevention minerals basestocks；
And S3, the fire prevention minerals basestocks are granulated, the fire prevention minerals silastic material is obtained,
The composition further includes white carbon black, carbon black, vulcanizing agent and composite assistant, and the composite assistant includes antioxidant and anti-light
Aging agent, the step S2 include:
Into 80~120 DEG C of plasticators, the methyl vinyl silicone rubber, modified montmorillonoid, described low is sequentially added
Melting glass frit and the aluminium hydroxide are plasticated 8~15 minutes with 500~1000 revs/min of revolving speed after charging, are obtained
It plasticates body；
The polyalcohol, the vulcanizing agent, the white carbon black, the carbon black and described compound are sequentially added into the body of plasticating
Auxiliary agent is plasticated 10~20 minutes after charging with 500~1000 revs/min of revolving speed, and the fire prevention minerals basis is obtained
Material.
9. preparation method according to claim 8, which is characterized in that the step S1 includes:
The montmorillonite and the quaternary ammonium salt are stirred in 60~100 DEG C of blender with 150~250 revs/min of revolving speed
20~40 minutes, obtain the modified montmorillonoid.
10. preparation method according to claim 8, which is characterized in that the step S3 includes: by the fire prevention minerals
Basestocks are placed in the double rank granulation machine of 75~180mm of Φ, and kneading granulation is carried out at 90~160 DEG C, obtain the fire prevention mineral
Matter silastic material.
11. a kind of power supply line, including conducting wire (10), inner sheath (20) and oversheath (30), which is characterized in that the inner sheath
(20) and/or the oversheath (30) uses fire prevention minerals silastic material as claimed in claim 7 or claim 8 to 10
Any one of described in preparation method obtain the fire prevention minerals silastic material and be prepared.
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| CN201710334058.3A CN107011662B (en) | 2017-05-12 | 2017-05-12 | Fire prevention minerals silicone rubber compound, fire prevention minerals silastic material, preparation method and the power supply line including it |
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| CN110922765B (en) * | 2019-12-10 | 2021-07-06 | 武汉理工大学 | Flexible heat-resistant ceramizable silicone rubber composite material and preparation method thereof |
| JP7137738B1 (en) | 2021-06-08 | 2022-09-15 | 邱隆安 | Composition having fireproof, explosion-proof and heat-insulating properties and method for producing the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103804808A (en) * | 2014-01-23 | 2014-05-21 | 安徽华源电缆集团有限公司 | High-strength smoke-inhibiting high-temperature-resisting cable sheath material |
| CN105694471A (en) * | 2016-04-17 | 2016-06-22 | 北京化工大学 | Preparation method of ceramizing fire-resistant silicon rubber |
| CN106243735A (en) * | 2016-08-05 | 2016-12-21 | 雷春生 | A kind of preparation method of halogen-free anti-flaming silicon rubber cable sleeve |
| CN106398231A (en) * | 2016-09-14 | 2017-02-15 | 东莞市朗晟硅材料有限公司 | Ceramic fire-resistant and flame-retardant silicone rubber and preparation method thereof |
-
2017
- 2017-05-12 CN CN201710334058.3A patent/CN107011662B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103804808A (en) * | 2014-01-23 | 2014-05-21 | 安徽华源电缆集团有限公司 | High-strength smoke-inhibiting high-temperature-resisting cable sheath material |
| CN105694471A (en) * | 2016-04-17 | 2016-06-22 | 北京化工大学 | Preparation method of ceramizing fire-resistant silicon rubber |
| CN106243735A (en) * | 2016-08-05 | 2016-12-21 | 雷春生 | A kind of preparation method of halogen-free anti-flaming silicon rubber cable sleeve |
| CN106398231A (en) * | 2016-09-14 | 2017-02-15 | 东莞市朗晟硅材料有限公司 | Ceramic fire-resistant and flame-retardant silicone rubber and preparation method thereof |
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