CN110577366A - High-performance alkali-resistant glass fiber and preparation method thereof - Google Patents
High-performance alkali-resistant glass fiber and preparation method thereof Download PDFInfo
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- CN110577366A CN110577366A CN201911056606.6A CN201911056606A CN110577366A CN 110577366 A CN110577366 A CN 110577366A CN 201911056606 A CN201911056606 A CN 201911056606A CN 110577366 A CN110577366 A CN 110577366A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/001—Alkali-resistant fibres
- C03C13/002—Alkali-resistant fibres containing zirconium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/007—Impregnation by solution; Solution doping or molecular stuffing of porous glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Glass Compositions (AREA)
Abstract
The invention discloses a preparation method of high-performance alkali-resistant glass fiber, which comprises the following steps: melting and mixing, namely weighing the raw materials in parts by mass, adding the raw materials into a kiln, uniformly mixing, and heating the kiln to melt the raw materials; performing wire drawing molding, namely drawing the raw material liquid in a molten state by using a wire drawing machine, and then cooling and molding the drawn wire; cleaning and removing impurities, washing the cooled glass fiber with deionized water, soaking in alkali liquor for 10h after washing, taking out, washing with clear water, and soaking in deionized water at 70 ℃ for 40 min; and (4) carrying out organic coating and bundling on the glass fiber treated in the step (3), and then drying to prepare the high-performance alkali-resistant glass fiber. According to the invention, the prepared glass fiber has a certain acid resistance while having excellent alkali resistance, and also has a conductive characteristic, and when in application, the glass fiber has a wider application range and higher tolerance to a use environment compared with the traditional glass fiber.
Description
Technical Field
the invention belongs to the technical field of fiber preparation, and particularly relates to a high-performance alkali-resistant glass fiber and a preparation method thereof.
background
The glass fiber is an inorganic non-metallic material with excellent performance, has various varieties, has the advantages of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength, but has the defects of brittleness and poor wear resistance. When the glass fiber is used as a reinforcing material for reinforced plastics, the glass fiber is characterized by high tensile strength. The tensile strength is 6.3-6.9 g/d in the standard state and 5.4-5.8 g/d in the wet state. The density was 2.54g/cm 3. Good heat resistance, and no influence on strength when the temperature reaches 300 ℃. The fiber is excellent in electrical insulation, is a high-grade electrical insulation material, is also used for a thermal insulation material and a fireproof shielding material, and each fiber strand consists of hundreds of monofilaments or even thousands of monofilaments. Glass fibers are generally used as reinforcing materials in composite materials, electrical insulating materials and thermal insulating materials, circuit substrates and other various fields of national economy, and the existing glass fibers still have room for improvement in the performance.
Disclosure of Invention
The invention aims to: in order to solve the problem that the existing glass fiber has high alkali resistance and is not acid-resistant due to high boron content, a high-performance alkali-resistant glass fiber and a preparation method thereof are provided.
The technical scheme adopted by the invention is as follows:
the high-performance alkali-resistant glass fiber comprises the following raw materials in parts by mass, namely SiO270-75 parts; 20-30 parts of CaO; CaF21-5 parts; TiO 220.5-2 parts; 1-5 parts of CaWO 4; 0.1-1 part of MgO; al (Al)2O310-15 parts; ZrO (ZrO)21-4 parts; na (Na)2CO310-20 parts.
A preparation method of high-performance alkali-resistant glass fiber comprises the following steps:
Step 1: melting and mixing, namely weighing the raw materials in parts by mass, adding the raw materials into a kiln, uniformly mixing, and heating the kiln to melt the raw materials;
Step 2: performing wire drawing molding, namely drawing the raw material liquid in a molten state by using a wire drawing machine, and then cooling and molding the drawn wire;
and step 3: cleaning and removing impurities, washing the cooled glass fibers with deionized water, soaking in alkali liquor for 5-10 h after washing, taking out, washing with clean water, soaking in deionized water at the temperature of 40-70 ℃ for 40-50 min, taking out, soaking in alkali liquor again, and repeating for three times;
and 4, step 4: and (4) carrying out organic coating and bundling on the glass fiber treated in the step (3), and then drying to prepare the high-performance alkali-resistant glass fiber.
Wherein the pH value of the alkali liquor is 9-11.
wherein the alkali liquor is NaOH solution.
and 2, drawing the raw material liquid in a melting and converting state, wherein the viscosity of the raw material liquid in the melting and converting state is 1000-1200 poise, and the average diameter of the drawn glass fiber is less than or equal to 10 um.
And (4) before organic coating is carried out on the glass fibers in the step (4), carrying out heat treatment on the glass fibers by adopting a high-temperature oven, wherein the treatment temperature is 430-450 ℃, and the treatment time is 5-8 h.
wherein, when the raw materials are melted by using a kiln in the step 1, carbon powder accounting for 1-2.2 percent of the total mass of the raw materials is mixed.
in summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. According to the invention, the prepared glass fiber has a certain acid resistance while having excellent alkali resistance, and also has a conductive characteristic, and when in application, the glass fiber has a wider application range and higher tolerance to a use environment compared with the traditional glass fiber.
2. In the present invention, the raw material used in the method for producing glass fibers may be not only processed raw material powder that is directly purchased but also ore or mineral for which it is directly used for production, and the raw material use flexibility is high.
3. in the present invention, by adding CaF2and CaWO4, the mechanical strength of the glass fiber is increased, and simultaneously, the pressure resistance and the heat resistance stability of the fiber are synchronously increased, so that the overall quality level of the glass fiber is further improved.
4. According to the invention, the prepared glass fiber has smooth appearance, uniform color, simple preparation process and good market value.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Embodiment one, a high-performance alkali-resistant glass fiber, which comprises the following raw materials in parts by mass, SiO270 parts of; 30 parts of CaO; CaF21 part; TiO 222 parts of; CaWO4, 1 part; 1 part of MgO; al (Al)2O310 parts; ZrO (ZrO)24 parts of (1); na (Na)2CO3And 10 parts.
A preparation method of high-performance alkali-resistant glass fiber comprises the following steps:
Step 1: melting and mixing, namely weighing the raw materials in parts by mass, adding the raw materials into a kiln, uniformly mixing, and heating the kiln to melt the raw materials;
Step 2: performing wire drawing molding, namely drawing the raw material liquid in a molten state by using a wire drawing machine, and then cooling and molding the drawn wire;
and step 3: cleaning and removing impurities, washing the cooled glass fiber by using deionized water, soaking the glass fiber in a NaOH solution with the pH value of 9 for 10 hours after washing, taking out the glass fiber after soaking, washing the glass fiber by using clean water, soaking the glass fiber in the deionized water at the temperature of 40 ℃ for 50 minutes, taking out the glass fiber, soaking the glass fiber in alkali liquor, and repeating the steps for three times;
And 4, step 4: and (4) carrying out organic coating and bundling on the glass fiber treated in the step (3), and then drying to prepare the high-performance alkali-resistant glass fiber.
And 2, drawing the raw material liquid in a melting and converting state, wherein the viscosity of the raw material liquid in the melting and converting state is 1000 poise, and the average diameter of the drawn glass fiber is less than or equal to 10 microns.
example two, a high performance alkali resistant glass fiber, comprising the following raw materials, by mass, SiO275 parts of; 20 parts of CaO; CaF25 parts of; TiO 220.5 part; CaWO4, 5 parts; 0.1 part of MgO; al (Al)2O315 parts; ZrO (ZrO)21 part; na (Na)2CO3And 20 parts.
A preparation method of high-performance alkali-resistant glass fiber comprises the following steps:
step 1: melting and mixing, namely weighing the raw materials in parts by mass, adding the raw materials into a kiln, uniformly mixing, and heating the kiln to melt the raw materials;
Step 2: performing wire drawing molding, namely drawing the raw material liquid in a molten state by using a wire drawing machine, and then cooling and molding the drawn wire;
And step 3: cleaning and removing impurities, washing the cooled glass fiber by using deionized water, soaking the glass fiber in a NaOH solution with the pH value of 11 for 5 hours after washing, taking out the glass fiber after soaking, washing the glass fiber by using clean water, soaking the glass fiber in the deionized water at the temperature of 70 ℃ for 40 minutes, taking out the glass fiber, soaking the glass fiber in alkali liquor, and repeating the steps for three times;
and 4, step 4: carrying out heat treatment on the glass fiber by adopting a high-temperature oven, wherein the treatment temperature is 450 ℃, and the treatment time is 5 hours;
And 5: and (4) carrying out organic coating and bundling on the glass fiber treated in the step (3), and then drying to prepare the high-performance alkali-resistant glass fiber.
and 2, drawing the raw material liquid in a melting and converting state, wherein the viscosity of the raw material liquid in the melting and converting state is 1200 poise, and the average diameter of the drawn glass fiber is less than or equal to 10 microns.
Example three, a high performance alkali resistant glass fiber, comprising the following raw materials, by mass, SiO272 parts of; 22 parts of CaO; CaF22 parts of; TiO 220.8 part; 3.1 parts of CaWO 4; 0.5 part of MgO; al (Al)2O314 parts of; ZrO (ZrO)23.3 parts; na (Na)2CO3And 17 parts.
A preparation method of high-performance alkali-resistant glass fiber comprises the following steps:
Step 1: melting and mixing, namely weighing the raw materials in parts by mass, adding the raw materials into a kiln, uniformly mixing, and heating the kiln to melt the raw materials;
Step 2: performing wire drawing molding, namely drawing the raw material liquid in a molten state by using a wire drawing machine, and then cooling and molding the drawn wire;
and step 3: cleaning and removing impurities, washing the cooled glass fiber by using deionized water, soaking the glass fiber in a NaOH solution with the pH value of 10 for 7 hours after washing, taking out the glass fiber after soaking, washing the glass fiber by using clean water, soaking the glass fiber in the deionized water at the temperature of 60 ℃ for 44 minutes, taking out the glass fiber, soaking the glass fiber in alkali liquor, and repeating the steps for three times;
and 4, step 4: carrying out heat treatment on the glass fiber by adopting a high-temperature oven, wherein the treatment temperature is 430 ℃, and the treatment time is 5 h;
And 5: and (4) carrying out organic coating and bundling on the glass fiber treated in the step (3), and then drying to prepare the high-performance alkali-resistant glass fiber.
And 2, drawing the raw material liquid in a melting and converting state, wherein the viscosity of the raw material liquid in the melting and converting state is 1100 poise, and the average diameter of the drawn glass fiber is less than or equal to 10 microns.
In step 1, when each raw material was melted by using a kiln, carbon powder in an amount of 2.2% by mass of the total raw material was mixed.
Example four, a high performance alkali resistant glass fiber, comprising the following raw materials, by mass, SiO273 parts; 28 parts of CaO; CaF23 parts of; TiO 221.1 parts; CaWO4, 1.7 parts; 0.4 part of MgO; al (Al)2O312 parts of; ZrO (ZrO)22 parts of; na (Na)2CO3And 18 parts.
A preparation method of high-performance alkali-resistant glass fiber comprises the following steps:
Step 1: melting and mixing, namely weighing the raw materials in parts by mass, adding the raw materials into a kiln, uniformly mixing, and heating the kiln to melt the raw materials;
Step 2: performing wire drawing molding, namely drawing the raw material liquid in a molten state by using a wire drawing machine, and then cooling and molding the drawn wire;
And step 3: cleaning and removing impurities, washing the cooled glass fiber with deionized water, soaking in NaOH solution with the pH value of 9 for 7 hours after washing, taking out, washing with clean water, soaking in deionized water at the temperature of 55 ℃ for 47 minutes, taking out, soaking with alkali liquor, and repeating for three times;
And 4, step 4: carrying out heat treatment on the glass fiber by adopting a high-temperature oven, wherein the treatment temperature is 430 ℃, and the treatment time is 8 h;
And 5: and (4) carrying out organic coating and bundling on the glass fiber treated in the step (3), and then drying to prepare the high-performance alkali-resistant glass fiber.
And 2, drawing the raw material liquid in a melting and converting state, wherein the viscosity of the raw material liquid in the melting and converting state is 1000 poise, and the average diameter of the drawn glass fiber is less than or equal to 10 microns.
In step 1, when each raw material was melted by using a kiln, carbon powder in an amount of 2.2% by mass of the total raw material was mixed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The high-performance alkali-resistant glass fiber is characterized by comprising the following raw materials in parts by mass, namely SiO270-75 parts; 20-30 parts of CaO; CaF21-5 parts; TiO 220.5-2 parts; 1-5 parts of CaWO 4; 0.1-1 part of MgO; al (Al)2O310-15 parts; ZrO (ZrO)21-4 parts; na (Na)2CO310-20 parts.
2. The method for preparing the high-performance alkali-resistant glass fiber according to claim 1, comprising the steps of:
step 1: melting and mixing, namely weighing the raw materials in parts by mass, adding the raw materials into a kiln, uniformly mixing, and heating the kiln to melt the raw materials;
Step 2: performing wire drawing molding, namely drawing the raw material liquid in a molten state by using a wire drawing machine, and then cooling and molding the drawn wire;
And step 3: cleaning and removing impurities, washing the cooled glass fibers with deionized water, soaking in alkali liquor for 5-10 h after washing, taking out, washing with clean water, soaking in deionized water at the temperature of 40-70 ℃ for 40-50 min, taking out, soaking in alkali liquor again, and repeating for three times;
And 4, step 4: and (4) carrying out organic coating and bundling on the glass fiber treated in the step (3), and then drying to prepare the high-performance alkali-resistant glass fiber.
3. the method of claim 2, wherein the pH of the alkali solution is 9-11.
4. The method of claim 3, wherein said alkali is NaOH solution.
5. The method of claim 1, wherein the step 2 is performed by drawing the molten raw material liquid, the viscosity of the molten raw material liquid is 1000-1200 poise, and the average diameter of the drawn glass fiber is less than 10 μm.
6. The method for preparing high-performance alkali-resistant glass fiber according to claim 1, wherein the glass fiber is heat-treated in a high temperature oven at 430-450 ℃ for 5-8 h before the organic coating of the glass fiber in step 4.
7. The method for preparing high-performance alkali-resistant glass fiber according to claim 1, wherein carbon powder in an amount of 1-2.2% by mass of the raw materials is mixed in the step 1 when melting the raw materials by using a kiln.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911056606.6A CN110577366A (en) | 2019-10-31 | 2019-10-31 | High-performance alkali-resistant glass fiber and preparation method thereof |
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| CN201911056606.6A CN110577366A (en) | 2019-10-31 | 2019-10-31 | High-performance alkali-resistant glass fiber and preparation method thereof |
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| CN110577366A true CN110577366A (en) | 2019-12-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113354292A (en) * | 2021-06-25 | 2021-09-07 | 五河信达新材料有限公司 | Preparation method of high-strength glass fiber |
| CN115304281A (en) * | 2022-07-29 | 2022-11-08 | 江苏佳成特种纤维有限公司 | High-wear-resistance glass fiber and preparation method thereof |
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| CN104736494A (en) * | 2012-10-25 | 2015-06-24 | 日本电气硝子株式会社 | Glass composition for glass fibers, glass fibers, and method for producing glass fibers |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113354292A (en) * | 2021-06-25 | 2021-09-07 | 五河信达新材料有限公司 | Preparation method of high-strength glass fiber |
| CN115304281A (en) * | 2022-07-29 | 2022-11-08 | 江苏佳成特种纤维有限公司 | High-wear-resistance glass fiber and preparation method thereof |
| CN115304281B (en) * | 2022-07-29 | 2023-09-19 | 江苏佳成特种纤维有限公司 | High-wear-resistance glass fiber and preparation method thereof |
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Application publication date: 20191217 |