CN109183280A - A kind of fire-proof high-temperature resistant far infrared transmission non-woven fabrics and preparation method thereof - Google Patents
A kind of fire-proof high-temperature resistant far infrared transmission non-woven fabrics and preparation method thereof Download PDFInfo
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- CN109183280A CN109183280A CN201811020018.2A CN201811020018A CN109183280A CN 109183280 A CN109183280 A CN 109183280A CN 201811020018 A CN201811020018 A CN 201811020018A CN 109183280 A CN109183280 A CN 109183280A
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- woven fabrics
- hydroxyapatite
- far infrared
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- overlong nanowire
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Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/007—Addition polymers
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/03—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments at random
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
- D04H3/153—Mixed yarns or filaments
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/06—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
Abstract
The present invention provides a kind of preparation methods of fire-proof high-temperature resistant far infrared transmission non-woven fabrics, belong to far infrared cloth field.The characteristics of present invention incorporates carbon nanotube and hydroxyapatite nano lines, non-woven fabrics obtained have fire prevention, and high temperature resistant, intensity is high, corrosion-resistant, high-flexibility, good far infrared transmission performance.Embodiment statistics indicate that, non-woven fabrics produced by the present invention carries out the sustained combustion of 20s using lighter to non-woven fabrics, structure is non-ignitable, it is resistant to 500 DEG C of high temperature, tensile strength is 20~30MPa, it is resistant to the highly basic of strong acid and pH value greater than 10 that pH value is 2.5~5, a length of 4~20 μm of far infrared wave, far infrared transfer efficiency is up to 90%.
Description
Technical field
The present invention relates to far infrared cloth technical field more particularly to a kind of fire-proof high-temperature resistant far infrared transmission non-woven fabrics and its
Preparation method.
Background technique
High-temperature fibre has good high temperature resistance, protective garment, the decoration that can be used under various high-temperature work environments
With material, filter material etc., compared with conventional textile, the price of high-temperature fibre is higher, but due to its excellent performance make its
The industrial circles such as space flight, aviation are widely used.Hydroxyapatite is a kind of natural minerals and vertebrate skeletal and tooth
Main inorganic composition, have excellent biocompatibility, environmental-friendly, high temperature resistant is not burnt.The hydroxyl synthesized by hydro-thermal method
The nano rope and its fabric that base apatite overlong nanowire is prepared have flexible, the Er Qienai of height compared with traditional fiber
High temperature, it is corrosion-resistant the features such as, compared with traditional inorganic non-metallic material such as asbestos and alumina silicate fibre, hydroxyapatite tool
There is higher biological safety, it is environmental-friendly, it not will cause environmental pollution and be detrimental to health, compared with high-temperature fibre,
Its manufacture craft is simple, low in cost.But the fabric being prepared in the prior art using hydroxyapatite overlong nanowire
Without far-infrared transmitting function, the application range of hydroxyapatite overlong nanowire fabric is limited.
Summary of the invention
The purpose of the present invention is to provide a kind of fire-proof high-temperature resistant far infrared transmission non-woven fabrics and preparation method thereof.The present invention
Carbon nanotube and hydroxyapatite overlong nanowire are combined, non-woven fabrics obtained has fire prevention, high temperature resistant and far infrared hair
Penetrate function.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
A kind of preparation method of fire-proof high-temperature resistant far infrared transmission non-woven fabrics, comprising the following steps:
Carbon nano tube dispersion liquid is provided；
Polyvinylpyrrolidone, hydroxyapatite overlong nanowire are mixed with ethyl alcohol, obtain hydroxyapatite nano
Line dispersion liquid；
Will the carbon nano tube dispersion liquid and hydroxyapatite nano line dispersion liquid mix after grind, obtain carbon nanotube/
Hydroxyapatite overlong nanowire mixed slurry；
Substrate will be sprayed to after the carbon nanometer tube/hydroxyapatite overlong nanowire mixed slurry and polyvinyl alcohol
On, then stripping group bottom, obtains carbon nanometer tube/hydroxyapatite overlong nanowire non-woven fabrics, and the substrate is cellophane；
By the carbon nanometer tube/hydroxyapatite overlong nanowire non-woven fabrics hot pressing, fire-proof high-temperature resistant far infrared hair is obtained
Penetrate non-woven fabrics.
Preferably, the mass ratio of the polyvinylpyrrolidone and hydroxyapatite overlong nanowire is 0.05~0.1:
1。
Preferably, the mass ratio of carbon nanotube and hydroxyapatite overlong nanowire is 3:7~7 in the mixed slurry:
3。
Preferably, the quality of the polyvinyl alcohol and carbon nanotube and hydroxyapatite overlength nanometer in the mixed slurry
The ratio of line gross mass is 0.1~0.15:1.
Preferably, the length of the hydroxyapatite overlong nanowire is 50~100 μm, and diameter is 60~300nm.
Preferably, the temperature of the hot pressing is 250~350 DEG C, and the line pressure of hot pressing is 120~150KN/m.
Preferably, the grinding carries out in sand mill, and the time of the grinding is 0.5~1h.
Preferably, the hydroxyapatite overlong nanowire is prepared by method comprising the following steps:
(1) oleic acid is dissolved in dehydrated alcohol, obtains mixed liquor；
(2) calcium chloride solution is provided；
(3) NaOH solution is provided；
(4) NaH is provided2PO4Solution；
(5) by the mixed liquor, calcium chloride solution, NaOH solution and NaH2PO4It is anti-that solution carries out solvent heat after successively mixing
It answers, obtains solvent thermal reaction product；
(6) the solvent thermal reaction product is successively carried out to alkaline washing, suction filtration and drying, obtains hydroxyapatite overlength
Nano wire.
Preferably, the temperature of the solvent thermal reaction is 160~180 DEG C, time of solvent thermal reaction is 20~for 24 hours.
The present invention also provides the fire-proof high-temperature resistant far infrared transmission nonwovens that preparation method described in above-mentioned technical proposal obtains
Cloth, the fire-proof high-temperature resistant far infrared transmission non-woven fabrics include carbon nanotube and hydroxyapatite overlong nanowire.
The present invention provides a kind of preparation methods of fire-proof high-temperature resistant far infrared transmission non-woven fabrics, comprising the following steps: mentions
For carbon nano tube dispersion liquid；Polyvinylpyrrolidone, hydroxyapatite overlong nanowire are mixed with ethyl alcohol, obtain hydroxyl phosphorus
Lime stone nanowire dispersion；It grinds, obtains after the carbon nano tube dispersion liquid and hydroxyapatite nano line dispersion liquid are mixed
Carbon nanometer tube/hydroxyapatite overlong nanowire mixed slurry；The carbon nanometer tube/hydroxyapatite overlong nanowire is mixed
It is sprayed in substrate after slurry and polyvinyl alcohol, then stripping group bottom, obtains carbon nanometer tube/hydroxyapatite overlength nanometer
Line non-woven fabrics, the substrate are cellophane；By the carbon nanometer tube/hydroxyapatite overlong nanowire non-woven fabrics hot pressing,
Obtain fire-proof high-temperature resistant far infrared transmission non-woven fabrics.The characteristics of present invention incorporates carbon nanotube and hydroxyapatite nano lines,
Non-woven fabrics obtained has fire prevention, and high temperature resistant, intensity is high, corrosion-resistant, high-flexibility, good far infrared transmission performance.Implement
Example statistics indicate that, non-woven fabrics produced by the present invention carries out the sustained combustion of 20s using lighter to non-woven fabrics, and structure is not
Combustion is resistant to 500 DEG C of high temperature, and tensile strength is 20~30MPa, and it is strong greater than 10 for 2.5~5 strong acid and pH value to be resistant to pH value
Alkali, a length of 4~20 μm of far infrared wave, far infrared transfer efficiency is up to 90%.
Specific embodiment
The present invention provides a kind of preparation methods of fire-proof high-temperature resistant far infrared transmission non-woven fabrics, comprising the following steps:
Carbon nano tube dispersion liquid is provided；
Polyvinylpyrrolidone, hydroxyapatite overlong nanowire are mixed with ethyl alcohol, obtain hydroxyapatite nano
Line dispersion liquid；
Will the carbon nano tube dispersion liquid and hydroxyapatite nano line dispersion liquid mix after grind, obtain carbon nanotube/
Hydroxyapatite overlong nanowire mixed slurry；
Substrate will be sprayed to after the carbon nanometer tube/hydroxyapatite overlong nanowire mixed slurry and polyvinyl alcohol
On, then stripping group bottom, obtains carbon nanometer tube/hydroxyapatite overlong nanowire non-woven fabrics, and the substrate is cellophane；
By the carbon nanometer tube/hydroxyapatite overlong nanowire non-woven fabrics hot pressing, fire-proof high-temperature resistant far infrared hair is obtained
Penetrate non-woven fabrics.
The present invention provides carbon nano tube dispersion liquid.In the present invention, the carbon nano tube dispersion liquid preferably includes ethyl alcohol, this
Invention does not have special restriction to the dosage of the ethyl alcohol.
The present invention does not have special restriction to the source of the carbon nanotube, is received using carbon well known to those skilled in the art
The commercial goods of mitron.
The present invention mixes polyvinylpyrrolidone, hydroxyapatite overlong nanowire with ethyl alcohol, obtains hydroxy-apatite
Stone nanowire dispersion.In the present invention, the polyvinylpyrrolidone is a kind of surfactant, can make hydroxyapatite
Overlong nanowire is uniformly dispersed.The present invention does not have special restriction to the dosage of the ethyl alcohol, can obtain hydroxyapatite and receive
Rice noodles dispersion liquid.
In the present invention, the polyvinylpyrrolidone and the mass ratio of hydroxyapatite overlong nanowire are preferably
0.05~0.1:1.
In the present invention, carbon nanotube and the mass ratio of hydroxyapatite overlong nanowire are preferably in the mixed slurry
3:7~7:3.
In the present invention, the length of the hydroxyapatite overlong nanowire is preferably 50~100 μm, and diameter is preferably 60
~300nm.
The present invention does not have special restriction to the preparation method of the hydroxyapatite overlong nanowire, using this field skill
Preparation method known to art personnel.In the present invention, the hydroxyapatite overlong nanowire is preferably by including following step
Rapid method is prepared:
(1) oleic acid is dissolved in dehydrated alcohol, obtains mixed liquor；
(2) calcium chloride solution is provided；
(3) NaOH solution is provided；
(4) NaH is provided2PO4Solution；
(5) by the mixed liquor, calcium chloride solution, NaOH solution and NaH2PO4It is anti-that solution carries out solvent heat after successively mixing
It answers, obtains solvent thermal reaction product；
(6) the solvent thermal reaction product is successively carried out to alkaline washing, suction filtration and drying, obtains hydroxyapatite overlength
Nano wire.
In the present invention, the mass ratio of the oleic acid and dehydrated alcohol is preferably 1:1, and the calcium chloride solution is preferably by nothing
Water calcium chloride is mixed to get with water, and the quality of the anhydrous calcium chloride and the volume ratio of water are preferably 0.44g:40mL, described
NaOH solution is preferably mixed to get by NaOH and water, and the quality of the NaOH and the volume ratio of water are preferably 2g:40mL, described
NaH2PO4Solution is preferably mixed to get by sodium dihydrogen phosphate dihydrate and water, the quality of the sodium dihydrogen phosphate dihydrate and water
Volume ratio is preferably 0.56g:20mL.
In the present invention, the temperature of the solvent thermal reaction is preferably 160~180 DEG C, and more preferably 170 DEG C, solvent heat
The time of reaction is preferably 20~for 24 hours.
The present invention does not have special restriction to the alkalinity washing, suction filtration and dry concrete mode, using this field skill
Mode known to art personnel.In the present invention, the alkalinity washing preferably carries out at 60 DEG C.
After the completion of solvent thermal reaction, present invention preferably uses ethyl alcohol to clean reactant.
After obtaining carbon nano tube dispersion liquid and hydroxyapatite nano line dispersion liquid, the present invention disperses the carbon nanotube
It is ground after liquid and the mixing of hydroxyapatite nano line dispersion liquid, obtains carbon nanometer tube/hydroxyapatite overlong nanowire mixing slurry
Material.In the present invention, the mixing preferably carries out in stainless steel fluid mixer.
In the present invention, carbon nanotube and the mass ratio of hydroxyapatite overlong nanowire are preferably in the mixed slurry
3:7~7:3.
In the present invention, the grinding carries out preferably in sand mill, and the time of the grinding is preferably 0.5~1h.
After obtaining carbon nanometer tube/hydroxyapatite overlong nanowire mixed slurry, the present invention is by the carbon nanotube/hydroxyl
It is sprayed in substrate after apatite overlong nanowire mixed slurry and polyvinyl alcohol, then stripping group bottom, obtains carbon nanometer
Pipe/hydroxyapatite overlong nanowire non-woven fabrics, the substrate are cellophane.In the present invention, the polyvinyl alcohol
The ratio of carbon nanotube and hydroxyapatite overlong nanowire gross mass is preferably 0.1~0.15 in quality and the mixed slurry:
1.In the present invention, the polyvinyl alcohol is paper power reinforcing agent.In the present invention, the polyvinyl alcohol is preferably made with molten condition
With.
In the present invention, the spraying is preferably airless spraying.The present invention does not have the concrete operations of the spraying
Special restriction, using spraying method well known to those skilled in the art.
The present invention does not have special restriction to the concrete operations at the stripping group bottom, and use is well known to those skilled in the art
Stripping group bottom mode.
After obtaining carbon nanometer tube/hydroxyapatite overlong nanowire non-woven fabrics, the present invention is by the carbon nanotube/hydroxyl phosphorus
Lime stone overlong nanowire non-woven fabrics hot pressing, obtains fire-proof high-temperature resistant far infrared transmission non-woven fabrics.
In the present invention, the temperature of the hot pressing is preferably 250~350 DEG C, and more preferably 300~320 DEG C, the line of hot pressing
Pressure is preferably 120~150KN/m.
In the present invention, the hot pressing preferably carries out in roll-type hot press.
The present invention also provides the fire-proof high-temperature resistant far infrared transmission nonwovens that preparation method described in above-mentioned technical proposal obtains
Cloth, the fire-proof high-temperature resistant far infrared transmission non-woven fabrics include carbon nanotube and hydroxyapatite overlong nanowire.
Below with reference to embodiment to fire-proof high-temperature resistant far infrared transmission non-woven fabrics provided by the invention and preparation method thereof into
Row detailed description, but they cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
The preparation of fire-proof high-temperature resistant far infrared transmission non-woven fabrics:
0.5g carbon nanotube is evenly dispersed in alcohol solvent, carbon nano tube dispersion liquid is made.
0.05g polyvinylpyrrolidone and 0.5g hydroxyapatite overlong nanowire are weighed, is uniformly dispersed it again
In ethanol solution, hydroxyapatite overlong nanowire dispersion liquid is made.
Carbon nano tube dispersion liquid obtained and hydroxyapatite overlong nanowire dispersion liquid are mixed by stainless steel fluid
After machine mixing, then milled 30min by sand mill, obtained carbon nanometer tube/hydroxyapatite overlong nanowire mixed slurry.
Using obtained carbon nanometer tube/hydroxyapatite overlong nanowire mixed slurry be added 0.1g melting polyvinyl alcohol as
Paper power reinforcing agent is sprayed to mixed slurry in substrate using cellophane as substrate by way of airless spraying,
Stripping group bottom obtains carbon nanometer tube/hydroxyapatite overlong nanowire non-woven fabrics.
It is 320 DEG C that carbon nanometer tube/hydroxyapatite nano wire non-woven fabrics obtained, which is passed through roll-type hot press in temperature, line
Pressure is that fire-proof high-temperature resistant far infrared transmission non-woven fabrics is made under 150KN/m after hot pressing.
The preparation of hydroxyapatite overlong nanowire:
It weighs 24g dehydrated alcohol to be mixed into 24g oleic acid, stir evenly.
It weighs 0.44g anhydrous calcium chloride to be dissolved in 40mL deionized water, stirring is to being completely dissolved.
It weighs 2gNaOH to be dissolved in 40mL deionized water, stirring is to being completely dissolved.
It weighs 0.56g sodium dihydrogen phosphate dihydrate to be dissolved in 20mL deionized water, stirring is to being completely dissolved
It is poured into 250mL reaction kettle after above-mentioned solution is successively mixed in order, 170 DEG C is warming up in heating in vacuum case
Heat preservation is for 24 hours.
After heat preservation, heating in vacuum case is closed, reaction kettle is stood for 24 hours.
Product is poured into beaker, 60 DEG C of alkalinity washing is carried out, cleans reactant using ethyl alcohol later
Product filters in Buchner funnel, is dry after washing, and obtains required hydroxyapatite overlong nanowire.
The performance of fire-proof high-temperature resistant far infrared transmission non-woven fabrics made from the present embodiment is measured, as a result such as 1 institute of table
Show, as can be seen from Table 1, the fire prevention of fire-proof high-temperature resistant far infrared transmission non-woven fabrics, high temperature resistant, intensity made from the present embodiment
It is high, corrosion-resistant, there is high-flexibility and good far infrared transmission performance.
The performance measurement result of fire-proof high-temperature resistant far infrared transmission non-woven fabrics made from 1 embodiment 1 of table
| Fire prevention is examined | The sustained combustion of 20s is carried out to non-woven fabrics using lighter, structure is non-ignitable |
| Heat resistance | It is resistant to 500 celsius temperatures |
| Tensile strength | 20~30MPa |
| Corrosion resistance | It is resistant to the highly basic of strong acid and pH value greater than 10 that pH value is 2.5~5 |
| Far infrared transmission performance | A length of 4~20 μm of far infrared wave, far infrared transfer efficiency is up to 90% |
Embodiment 2
The preparation of fire-proof high-temperature resistant far infrared transmission non-woven fabrics:
0.5g carbon nanotube is evenly dispersed in alcohol solvent, carbon nano tube dispersion liquid is made.
0.05g polyvinylpyrrolidone and 1g hydroxyapatite overlong nanowire are weighed, it is uniformly dispersed and exists again
In ethanol solution, hydroxyapatite overlong nanowire dispersion liquid is made.
Carbon nano tube dispersion liquid obtained and hydroxyapatite overlong nanowire dispersion liquid are mixed by stainless steel fluid
After machine mixing, then milled 30min by sand mill, obtained carbon nanometer tube/hydroxyapatite overlong nanowire mixed slurry.
Using obtained carbon nanometer tube/hydroxyapatite overlong nanowire mixed slurry be added 0.1g melting polyvinyl alcohol as
Paper power reinforcing agent is sprayed to mixed slurry in substrate using cellophane as substrate by way of airless spraying,
Stripping group bottom obtains carbon nanometer tube/hydroxyapatite overlong nanowire non-woven fabrics.
It is 250 DEG C that carbon nanometer tube/hydroxyapatite nano wire non-woven fabrics obtained, which is passed through roll-type hot press in temperature, line
Pressure is that fire-proof high-temperature resistant far infrared transmission non-woven fabrics is made under 120KN/m after hot pressing.
Preparing for hydroxyapatite overlong nanowire is same as Example 1.
The performance of fire-proof high-temperature resistant far infrared transmission non-woven fabrics made from the present embodiment is measured, as a result such as 2 institute of table
Show, as can be seen from Table 2, the fire prevention of fire-proof high-temperature resistant far infrared transmission non-woven fabrics made from the present embodiment, high temperature resistant, intensity is high,
It is corrosion-resistant, there is high-flexibility and good far infrared transmission performance.
The performance measurement result of fire-proof high-temperature resistant far infrared transmission non-woven fabrics made from 2 embodiment 2 of table
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of preparation method of fire-proof high-temperature resistant far infrared transmission non-woven fabrics, comprising the following steps:
Carbon nano tube dispersion liquid is provided；
Polyvinylpyrrolidone, hydroxyapatite overlong nanowire are mixed with ethyl alcohol, obtain hydroxyapatite nano line point
Dispersion liquid；
It is ground after the carbon nano tube dispersion liquid and hydroxyapatite nano line dispersion liquid are mixed, obtains carbon nanotube/hydroxyl
Apatite overlong nanowire mixed slurry；
It will be sprayed in substrate after the carbon nanometer tube/hydroxyapatite overlong nanowire mixed slurry and polyvinyl alcohol,
Then stripping group bottom, obtains carbon nanometer tube/hydroxyapatite overlong nanowire non-woven fabrics, and the substrate is cellophane；
By the carbon nanometer tube/hydroxyapatite overlong nanowire non-woven fabrics hot pressing, obtain fire-proof high-temperature resistant far infrared transmission without
Woven fabric.
2. preparation method according to claim 1, which is characterized in that the polyvinylpyrrolidone and hydroxyapatite
The mass ratio of overlong nanowire is 0.05~0.1:1.
3. preparation method according to claim 1, which is characterized in that carbon nanotube and hydroxy-apatite in the mixed slurry
The mass ratio of stone overlong nanowire is 3:7~7:3.
4. preparation method according to claim 1 or 3, which is characterized in that the quality of the polyvinyl alcohol is mixed with described
The ratio of carbon nanotube and hydroxyapatite overlong nanowire gross mass is 0.1~0.15:1 in slurry.
5. preparation method according to claim 1, which is characterized in that the length of the hydroxyapatite overlong nanowire is
50~100 μm, diameter is 60~300nm.
6. preparation method according to claim 1, which is characterized in that the temperature of the hot pressing is 250~350 DEG C, hot pressing
Line pressure be 120~150KN/m.
7. preparation method according to claim 1, which is characterized in that the grinding carries out in sand mill, the grinding
Time be 0.5~1h.
8. preparation method according to claim 1 or 5, which is characterized in that the hydroxyapatite overlong nanowire is by wrapping
The method for including following steps is prepared:
(1) oleic acid is dissolved in dehydrated alcohol, obtains mixed liquor；
(2) calcium chloride solution is provided；
(3) NaOH solution is provided；
(4) NaH is provided2PO4Solution；
(5) by the mixed liquor, calcium chloride solution, NaOH solution and NaH2PO4Solution carries out solvent thermal reaction after successively mixing,
Obtain solvent thermal reaction product；
(6) the solvent thermal reaction product is successively carried out to alkaline washing, suction filtration and drying, obtains hydroxyapatite overlength nanometer
Line.
9. preparation method according to claim 8, which is characterized in that the temperature of the solvent thermal reaction is 160~180
DEG C, time of solvent thermal reaction is 20~for 24 hours.
10. the fire-proof high-temperature resistant far infrared transmission non-woven fabrics that preparation method described in claim 1~9 any one obtains, described
Fire-proof high-temperature resistant far infrared transmission non-woven fabrics includes carbon nanotube and hydroxyapatite overlong nanowire.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113387676A (en) * | 2020-03-12 | 2021-09-14 | 河南克莱威纳米碳材料有限公司 | Inorganic fiber-carbon nanotube far infrared heating film and preparation method thereof |
| CN113387675A (en) * | 2020-03-12 | 2021-09-14 | 河南克莱威纳米碳材料有限公司 | Body type far infrared heating product and preparation method thereof |
| CN113387675B (en) * | 2020-03-12 | 2023-03-03 | 河南克莱威纳米碳材料有限公司 | Body type far infrared heating product and preparation method thereof |
| CN113387676B (en) * | 2020-03-12 | 2023-03-03 | 河南克莱威纳米碳材料有限公司 | Inorganic fiber-carbon nanotube far infrared heating film and preparation method thereof |
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