CN109761508A - A kind of production method of silicon carbide coating silica fibre - Google Patents
A kind of production method of silicon carbide coating silica fibre Download PDFInfo
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- CN109761508A CN109761508A CN201910172041.1A CN201910172041A CN109761508A CN 109761508 A CN109761508 A CN 109761508A CN 201910172041 A CN201910172041 A CN 201910172041A CN 109761508 A CN109761508 A CN 109761508A
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- silica fibre
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- silicon carbide
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Abstract
The present invention relates to silica fibre field of material technology, and disclose a kind of production method of silicon carbide coating silica fibre, comprising the following steps: weigh SiC powder, prepare and contain B2O3With SiO2Glass powder, prepare adhesion promoting component A, prepare adhesion promoting component B, said components are placed in together under 260-350r/min after ball milling 12-20h, SiC slurry is prepared, above-mentioned SiC slurry is coated on the outer surface of silica fibre cortex using method for printing screen, it is dried in vacuo at 120-150 DEG C, SiC coating silica fibre is prepared.The production method that the present invention solves silicon carbide coating silica fibre in the prior art, since the reaction temperature in its preparation process is higher than the use temperature of quartz glass, so the technical issues of being easy to cause silica fibre to generate internal flaw.
Description
Technical field
The present invention relates to silica fibre field of material technology, specially a kind of production side of silicon carbide coating silica fibre
Method.
Background technique
Silica fibre is a kind of optical fiber based on quartz glass for core material, and it is non-that silica fibre not only passes light spectral region
Chang Guang, always can be near infrared region, generally 250-2600nm from ultra-violet (UV) band, and is currently known except photonic crystal light
It is fine outer, the smallest optical fiber of light loss.
Silica fibre includes sandwich layer in the prior art, is coated with cortex on the outer surface of sandwich layer；Wherein, sandwich layer is pure quartz
Glass or doping, high refractive index silica glass material, and corresponding cortical material is the quartz of doping, low-refraction
Glass optical coating material or pure quartz glass；In order to keep the mechanical strength of silica fibre and loss
Long-time stable, in cortical surface coating silicon carbide (SiC) material of silica fibre, for preventing from external next water and hydrogen
Diffusion, while the intrusion of extraneous hydrogen molecule can effectively be truncated, so that its proof strength is reached 200 or more.
It is general at present be using chemical vapour deposition technique 1800-2300 DEG C at a temperature of by depositing SiC in quartz
On the surface of optical fiber matrix, silicon carbide coating silica fibre is prepared, since the reaction temperature of the preparation method is up to 1800-
2300 DEG C, and the use temperature of quartz glass is substantially in the range of 1000-1050 DEG C, so 1800-2300 DEG C of high temperature
Destruction can be generated to the crystalline structure inside silica fibre, so that it is generated fault of construction, thus can be to the light of silica fibre
Wave transmission performance has an impact.
The present invention provides a kind of production method of silicon carbide coating silica fibre, it is intended to solve silicon carbide in the prior art and apply
The production method for covering silica fibre, since the reaction temperature in its preparation process is higher than the use temperature of quartz glass, so holding
Easily lead to the technical issues of silica fibre generates internal flaw.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of production methods of silicon carbide coating silica fibre, solve
The production method of silicon carbide coating silica fibre in the prior art, since the reaction temperature in its preparation process is higher than quartzy glass
The use temperature of glass, so the technical issues of being easy to cause silica fibre to generate internal flaw.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme:
A kind of production method of silicon carbide coating silica fibre, comprising the following steps:
S1. the SiC powder of 60-70 mass parts is taken, it is spare；
S2. it prepares and contains B2O3With SiO2Glass powder；
S3. using aqueous epoxy resins and polyvinyl alcohol as raw material, preparation obtains adhesion promoting component A；
S4. using rosin and ethyl acrylate as raw material, preparation obtains adhesion promoting component B；
It S5. will be in the SiC powder in step S1, the glass powder in step S2, the adhesion promoting component A in step S3, step S4
Adhesion promoting component B is placed under 260-350r/min together, and after ball milling 12-20h, SiC slurry is prepared；
S6. the SiC slurry in step S5 is coated on the outer surface of silica fibre cortex using method for printing screen, in
It is dried in vacuo at 120-150 DEG C, SiC coating silica fibre is prepared.
Preferably, in the step S1, average grain diameter≤50um of SiC powder.
Preferably, in the step S2, average grain diameter≤100nm of glass powder.
Preferably, in the step S5, after ball milling 12-20h, soybean lecithin dispersing agent is added.
Preferably, in the step S5, after soybean lecithin dispersing agent is added, under 260-350r/min, ball milling 2h.
(3) beneficial technical effect
Compared with prior art, the present invention has following beneficial technical effect:
The present invention is made silicon carbide coating silica fibre of slurry process, and the adhesive force for the SiC coating prepared is 1
Grade, the surface of SiC coating are in even compact state, and reaction temperature≤150 DEG C in preparation process, substantially less than quartz glass
1000-1050 DEG C of use temperature, achieve under simple process conditions, it is strong that even compact and adhesive force be prepared
The technical effect of SiC coating, thus the production method for solving silicon carbide coating silica fibre in the prior art, due to its preparation
Reaction temperature in the process is higher than the use temperature of quartz glass, so being easy to cause the technology of silica fibre generation internal flaw
Problem.
Specific embodiment
Embodiment one:
The production method of silicon carbide coating silica fibre, comprising the following steps:
S1. 70g average grain diameter≤50um SiC powder is taken, it is spare；
S2. 3g average grain diameter≤100nm B is taken2O3, 5g average grain diameter≤100nm SiO2, 4g average grain diameter≤100nm
Bi2O3, 2g average grain diameter≤100nm MgO, be configured to glass powder；
S3. in the deionized water for taking 8mL aqueous epoxy resins to be dissolved in 25mL together with the polyvinyl alcohol that 2g viscosity is 30,
Preparation obtains adhesion promoting component A；
S4. 3g rosin is dissolved in 10mL dehydrated alcohol together with 2mL ethyl acrylate, preparation obtains adhesion promoting component B；
It S5. will be in the SiC powder in step S1, the glass powder in step S2, the adhesion promoting component A in step S3, step S4
Adhesion promoting component B is placed under 300r/min together with 30mL dehydrated alcohol, and after ball milling 18h, 4g soybean lecithin is added, then at
Under 300r/min, SiC slurry is prepared in ball milling 2h；
S6. the SiC slurry in step S5 is coated on the outer surface of silica fibre cortex using method for printing screen, in
It is dried in vacuo 2h at 120 DEG C, SiC coating silica fibre is prepared；
S7. the performance of the SiC coating made in step S6 to be tested, as a result are as follows: the adhesive force of SiC coating is 1 grade,
Coating surface is in even compact state, and the reaction temperature in preparation process is only 120 DEG C, the substantially less than use of quartz glass
1000-1050 DEG C of temperature.
Embodiment two:
The production method of silicon carbide coating silica fibre, comprising the following steps:
S1. 60g average grain diameter≤50um SiC powder is taken, it is spare；
S2. 3g average grain diameter≤100nm B is taken2O3, 5g average grain diameter≤100nm SiO2, 4g average grain diameter≤100nm
Bi2O3, it is configured to glass powder；
S3. 10mL aqueous epoxy resins is taken to be dissolved in the deionized water of 25mL together with the polyvinyl alcohol that 1g viscosity is 30
In, preparation obtains adhesion promoting component A；
S4. 5g rosin is dissolved in 10mL dehydrated alcohol together with 1mL ethyl acrylate, preparation obtains adhesion promoting component B；
It S5. will be in the SiC powder in step S1, the glass powder in step S2, the adhesion promoting component A in step S3, step S4
Adhesion promoting component B is placed under 350r/min together with 30mL dehydrated alcohol, and after ball milling 12h, 3g soybean lecithin is added, then at
Under 350r/min, SiC slurry is prepared in ball milling 2h；
S6. the SiC slurry in step S5 is coated on the outer surface of silica fibre cortex using method for printing screen, in
It is dried in vacuo 2h at 100 DEG C, SiC coating silica fibre is prepared；
S7. the performance of the SiC coating made in step S6 to be tested, as a result are as follows: the adhesive force of SiC coating is 1 grade,
Coating surface is in even compact state, and the reaction temperature in preparation process is only 120 DEG C, the substantially less than use of quartz glass
1000-1050 DEG C of temperature.
Embodiment three:
The production method of silicon carbide coating silica fibre, comprising the following steps:
S1. 80g average grain diameter≤50um SiC powder is taken, it is spare；
S2. 3g average grain diameter≤100nm B is taken2O3, 5g average grain diameter≤100nm SiO2, 2g average grain diameter≤100nm
MgO, be configured to glass powder；
S3. in the deionized water for taking 6mL aqueous epoxy resins to be dissolved in 25mL together with the polyvinyl alcohol that 3g viscosity is 30,
Preparation obtains adhesion promoting component A；
S4. 2g rosin is dissolved in 10mL dehydrated alcohol together with 4mL ethyl acrylate, preparation obtains adhesion promoting component B；
It S5. will be in the SiC powder in step S1, the glass powder in step S2, the adhesion promoting component A in step S3, step S4
Adhesion promoting component B is placed under 260r/min together with 30mL dehydrated alcohol, and after ball milling 20h, 4g soybean lecithin is added, then at
Under 260r/min, SiC slurry is prepared in ball milling 3h；
S6. the SiC slurry in step S5 is coated on the outer surface of silica fibre cortex using method for printing screen, in
It is dried in vacuo 2h at 150 DEG C, SiC coating silica fibre is prepared；
S7. the performance of the SiC coating made in step S6 to be tested, as a result are as follows: the adhesive force of SiC coating is 1 grade,
Coating surface is in even compact state, and the reaction temperature in preparation process is only 150 DEG C, the substantially less than use of quartz glass
1000-1050 DEG C of temperature.
Claims (5)
1. a kind of production method of silicon carbide coating silica fibre, which comprises the following steps:
S1. the SiC powder of 60-70 mass parts is taken, it is spare；
S2. it prepares and contains B2O3With SiO2Glass powder；
S3. using aqueous epoxy resins and polyvinyl alcohol as raw material, preparation obtains adhesion promoting component A；
S4. using rosin and ethyl acrylate as raw material, preparation obtains adhesion promoting component B；
S5. by the SiC powder in step S1, the glass powder in step S2, the adhesion promoting component A in step S3, the thickening in step S4
Component B is placed under 260-350r/min together, and after ball milling 12-20h, SiC slurry is prepared；
S6. the SiC slurry in step S5 is coated on the outer surface of silica fibre cortex using method for printing screen, in 120-
It is dried in vacuo at 150 DEG C, SiC coating silica fibre is prepared.
2. manufacturing method according to claim 1, which is characterized in that in the step S1, the average grain diameter of SiC powder≤
50um。
3. manufacturing method according to claim 1, which is characterized in that in the step S2, the average grain diameter of glass powder≤
100nm。
4. manufacturing method according to claim 1, which is characterized in that in the step S5, after ball milling 12-20h, be added big
Beans lecithin dispersing agent.
5. production method according to claim 4, which is characterized in that in the step S5, soybean lecithin dispersion is added
After agent, under 260-350r/min, ball milling 2h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910172041.1A CN109761508A (en) | 2019-03-07 | 2019-03-07 | A kind of production method of silicon carbide coating silica fibre |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910172041.1A CN109761508A (en) | 2019-03-07 | 2019-03-07 | A kind of production method of silicon carbide coating silica fibre |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295539A (en) * | 1998-03-03 | 2001-05-16 | Ppg工业俄亥俄公司 | Glass fiber strands coated with thermally conductive inorganic particles and products including the same |
| US6400880B1 (en) * | 1999-04-07 | 2002-06-04 | Aerospatiale Matra | Degradable optical fiber and a method for its preparation |
| US20030099858A1 (en) * | 2001-11-27 | 2003-05-29 | General Electric Company One Research Circle | Environmentally-stable organic electroluminescent fibers |
| CN102388018A (en) * | 2009-04-10 | 2012-03-21 | 应用纳米结构方案公司 | Fiber sizing comprising nanoparticles |
| CN204396271U (en) * | 2014-12-29 | 2015-06-17 | 阜阳师范学院 | A kind of metal coating device conducting electricity optical fiber |
| CN106211378A (en) * | 2016-06-30 | 2016-12-07 | 东莞珂洛赫慕电子材料科技有限公司 | A kind of silicon carbide-containing silver palladium combined resistance slurry and preparation method thereof |
-
2019
- 2019-03-07 CN CN201910172041.1A patent/CN109761508A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295539A (en) * | 1998-03-03 | 2001-05-16 | Ppg工业俄亥俄公司 | Glass fiber strands coated with thermally conductive inorganic particles and products including the same |
| US6400880B1 (en) * | 1999-04-07 | 2002-06-04 | Aerospatiale Matra | Degradable optical fiber and a method for its preparation |
| US20030099858A1 (en) * | 2001-11-27 | 2003-05-29 | General Electric Company One Research Circle | Environmentally-stable organic electroluminescent fibers |
| CN102388018A (en) * | 2009-04-10 | 2012-03-21 | 应用纳米结构方案公司 | Fiber sizing comprising nanoparticles |
| CN204396271U (en) * | 2014-12-29 | 2015-06-17 | 阜阳师范学院 | A kind of metal coating device conducting electricity optical fiber |
| CN106211378A (en) * | 2016-06-30 | 2016-12-07 | 东莞珂洛赫慕电子材料科技有限公司 | A kind of silicon carbide-containing silver palladium combined resistance slurry and preparation method thereof |
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