CN115043592A - High-color-fastness colored glass fiber and preparation method thereof - Google Patents
High-color-fastness colored glass fiber and preparation method thereof Download PDFInfo
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- CN115043592A CN115043592A CN202210983705.4A CN202210983705A CN115043592A CN 115043592 A CN115043592 A CN 115043592A CN 202210983705 A CN202210983705 A CN 202210983705A CN 115043592 A CN115043592 A CN 115043592A
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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
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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
Abstract
The invention belongs to the field of glass fiber materials and preparation thereof, and relates to a high-color-fastness colored glass fiber and a preparation method thereof, wherein the high-color-fastness colored glass fiber comprises a basic batch and an ionic colorant, wherein the weight ratio of the basic batch to the ionic colorant is 100: 0.1-8. The color glass fiber with high color fastness prepared by the invention has high color fastness even under strong light, high-frequency friction and high temperature, is not easy to fade in a complex and changeable use environment, and has longer service life. In the process of manufacturing the colored fabric, the procedures of coating, dyeing and the like are not needed, the use of chemical coatings and pigments is avoided, no VOC (volatile organic compounds) is discharged in the production process, and the production process is green and environment-friendly. The preparation method of the colored high-color-fastness glass fiber used by the invention uses a specific high-performance special glass fiber integrated forming device, achieves the production effects of less impurities, stable temperature and quick forming, and removes the steps of later dyeing and the like.
Description
Technical Field
The invention belongs to the field of glass fiber materials and preparation thereof, and relates to a high-color-fastness colored glass fiber with an ionic colorant added in a glass fiber formula and a preparation method thereof.
Background
The colored glass fiber has excellent performance and bright appearance, and is applied more and more widely in recent years. The colored glass fiber is made into flame-retardant fabric through weaving, and the flame-retardant fabric is used in the fields of traffic equipment interior fabric, public building fireproof fabric, military camouflage and the like. The colored glass fiber is combined with resins with different properties to prepare composite materials with different colors and better temperature resistance, and the composite materials are used for manufacturing exterior decorations, temperature-resistant parts and the like in the fields of consumer electronics, high-end traffic equipment, military equipment and the like.
With the increase of the application range of the colored glass fiber, the application environment is more and more complicated, and the traditional colored glass fiber sprayed with the coloring material on the surface of the glass fiber is difficult to popularize and apply in complicated environment due to lower color fastness. Different from the traditional preparation process of the colored glass fiber, the invention directly adds the ionic colorant into the basic formula of the glass fiber to obtain the bulk colored glass fiber with high color fastness. Compared with the traditional glass fiber coloring technology, the invention does not need to coat pigment on the surface of the glass fiber, simplifies the production process flow and simultaneously avoids the pollution to the environment caused by the use of organic paint in the production process; the color high-color-fastness glass fiber prepared by the invention has high color fastness in the environments of illumination, friction, high temperature and the like, is not easy to fade in a complex and changeable use environment, has a longer service life and has a wide application prospect.
Disclosure of Invention
Aiming at the problems of the existing glass fiber coloring mode, the invention aims to provide the colored glass fiber with high color fastness and the preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme: the colored high-color-fastness glass fiber comprises a base batch and an ionic coloring agent, wherein the weight ratio of the base batch to the ionic coloring agent is 100: 0.1-8.
Wherein, as a preferable scheme, the basic batch is composed of 55-70 wt% of SiO2, 2-6 wt% of Al2O3, 15-25 wt% of a mixture of K2O and Na2O, 9-17 wt% of CaO and 3-9 wt% of MgO, wherein the mass ratio of the K2O to the Na2O mixture is K2O: na2O = 0.2-5: 1.
preferably, the ionic colorant comprises one or more of iron, chromium, copper, nickel or cobalt transition metal coloring ionic oxides. The invention aims at the ion colorant, and the following matching combination can be provided, but the invention is not limited to the ion colorant, and any combination based on the five transition metal coloring ion oxides is within the protection scope of the invention.
First, the ionic colorant is composed of CuO and Cr 2 O 3 The composition is characterized in that the mass ratio of CuO: cr (chromium) component 2 O 3 = 0.5-2: 1, the weight ratio of the basic batch to the ionic colorant is 100: 1-3. A series of hues from blue green to yellow green can be obtained by properly adjusting the proportion of the copper and the chromium, the mixed color develops towards yellow by increasing the dosage of the chromium, and the mixed color develops towards blue by increasing the dosage of the copper.
Second, the ionic colorant is Co 2 O 3 The weight ratio of the basic batch to the ionic colorant is 100: 0.1-2. Under ordinary smelting conditions, cobalt is usually low-price cobalt Co 2+ The state exists, and the coloring stability is less influenced by the glass composition and the melting process. The coloring ability of the cobalt is strong, and only a small amount of Co needs to be introduced 2 O 3 The glass fiber can be made bright blue.
Thirdly, the ionic colorant is made of Co 2 O 3 And NiO, and the mass ratio of the two is Co 2 O 3 : NiO = 0-0.5: 1, the weight ratio of the basic batch to the ionic colorant is 100: 1-3. A series of hues from purple to blue can be obtained by properly adjusting the proportion of cobalt and nickel, the mixed color develops from blue hue by increasing the dosage of cobalt, and the mixed color develops from red hue by increasing the dosage of nickel.
Fourth, the ionic colorant is composed of Co 2 O 3 And Fe 2 O 3 The mass ratio of the two components is Co 2 O 3 ：Fe 2 O 3 = 0.2-1: 1, the weight ratio of the basic batch to the ionic colorant is 100: 2-5. The mixed colouring of iron and cobalt gives a grey colour (slightly yellowish tinge), also known as neutral grey glass. A series of neutral glasses with different depths can be obtained according to different iron-cobalt ratios.
Fifthly, the ionic colorant is made of CuO and Cr 2 O 3 、Fe 2 O 3 And NiO, and the mass ratio of the four is CuO: cr (chromium) component 2 O 3 ：Fe 2 O 3 : NiO = 1: 0.1-0.4: 2-5: 0.2-0.8, the weight ratio of the basic batch to the ionic colorant is 100: 2-8. The four colorants are mixed to absorb substantially all of the ultraviolet and infrared light energy and transmit only a small amount of visible light to make the glass fibers black.
The invention also provides a preparation method of the colored glass fiber with high color fastness, which comprises the following steps:
(a) weighing the basic batch and the ionic colorant, and grinding and mixing to obtain a mixture;
(b) adding the mixture obtained in the step (a) into a glass fiber heating kiln body, wherein the glass fiber heating kiln body is a heating kiln body of a high-performance special glass fiber integrated forming device recorded in patent CN201920368751.7, and heating to 1500 ℃ to form glass melt;
(c) the glass melt in the step (b) reaches a constant-temperature discharging device through a melt ascending channel;
(d) and (c) enabling the glass melt reaching the constant-temperature discharging device in the step (c) to reach a wire drawing forming device through a liquid outlet, and then carrying out liquid coating and high-speed rotary wire drawing forming through the wire drawing forming device to obtain the high-color-fastness colored glass fiber.
At present, the requirements on various production conditions are severe in the production process of glass fibers, particularly in the production of high-performance special glass fibers such as colored glass fibers. The current production equipment such as a glass ball melting furnace, a crucible and the like can not meet the production requirement. The high-performance glass fiber needs high-quality glass solution, and only needs to be prepared with less impurities and stable temperature. The secondary melting commonly used at present has high energy consumption, wastes production materials and causes environmental pollution. The high-performance special glass fiber integrated forming device described in patent CN201920368751.7 effectively grabs the pain point of high-performance glass fiber production, and effectively solves the problem in parallel, and organically combines various mechanisms together to achieve the production effects of less impurities, stable temperature and quick forming. The high-performance special glass fiber integrated forming device is also suitable for the preparation and production of the high-color-fastness colored glass fiber, and meets the requirement of performance indexes. The detailed steps of the preparation method of the invention can be explained by specifically referring to the description in patent CN 201920368751.7.
Compared with the prior art, the invention has the advantages that:
(1) the color glass fiber with high color fastness prepared by the invention has high color fastness even under strong light, high-frequency friction and high temperature, is not easy to fade in a complex and changeable use environment, and has longer service life.
(2) The colored high-color-fastness glass fiber obtained by the invention has color, and does not need the procedures of coating, dyeing and the like in the process of preparing a colored fabric, thereby avoiding the use of chemical coatings and pigments, having no VOC emission in the production process, and being green and environment-friendly in the production process.
(3) The preparation method of the colored high-color-fastness glass fiber used by the invention uses the specific high-performance special glass fiber integrated forming device, achieves the production effects of less impurities, stable temperature and quick forming, removes the steps of later dyeing and the like, simplifies the production flow, greatly improves the production efficiency and has extremely high economic benefit.
Drawings
FIG. 1 is an SEM image (2000X) of a colored high-fastness glass fiber in example 1 of the present invention;
FIG. 2 is an SEM image (magnification of 5000) of a colored high-fastness glass fiber in example 1 of the present invention;
FIG. 3 is a CIE color chart of the colored high-fastness glass fiber of example 1 of the present invention.
Detailed Description
The invention will be further illustrated with reference to specific examples.
Example 1:
a high-color-fastness color glass fiber is prepared from a basic material mixture with chemical components of 65 wt% SiO 2 、3 wt%Al 2 O 3 、18wt%（K 2 O+Na 2 O, wherein K 2 O：Na 2 O = 0.2: 1) 10 wt% of CaO and 4 wt% of MgO, and the mass ratio of the components of the ionic colorant to the basic batch is 100: 2, wherein the mass ratio between the ionic colorants is 1 CuO: 1 Cr 2 O 3 。
The preparation method of the colored high-color-fastness glass fiber comprises the following steps:
(a) weighing the basic batch and the ionic colorant, and grinding and mixing to obtain a mixture;
(b) adding the mixture obtained in the step (a) into a heating kiln body of a high-performance special glass fiber integrated forming device described in patent CN201920368751.7, and heating to 1500 ℃ to form glass melt;
(c) the glass melt in the step (b) reaches a constant-temperature discharging device through a melt ascending channel;
(d) and (c) enabling the glass melt reaching the constant-temperature discharging device in the step (c) to reach a wire drawing forming device through a liquid outlet, and then carrying out liquid coating and high-speed rotary wire drawing forming through the wire drawing forming device to obtain the green high-color-fastness glass fiber.
SEM analysis is carried out on the green high-color-fastness glass fiber obtained in example 1, and as shown in the figure 1, the surface topography of the green high-color-fastness glass fiber is 2000 times, and the surface topography of the green high-color-fastness glass fiber is 5000 times. From fig. 1, we can find that the diameter of the green glass fiber is uniformly distributed and the surface is smooth, from fig. 2, the diameter of the green glass fiber is about 7 μm, and the surface has no obvious defects.
Table 1 shows the parametric measurements in CIEXYZ color coordinates under a D65 illuminant taken randomly from 3 sets of green high-fastness glass fibers obtained in example 1, the results of which are given in the following table:
table 1:
the color of the groups of green high-fastness glass fibers of example 1 is marked with black dots in the CIE color diagram according to the data in table 1 to give fig. 3, from which fig. 3 we can see that all samples are greenish and yellowish with little color difference.
Example 2:
a high-color-fastness color glass fiber is prepared from 55 wt% SiO as basic material 2 、6 wt%Al 2 O 3 、25wt%（K 2 O+Na 2 O, wherein K 2 O：Na 2 O = 1: 1) 10 wt% of CaO and 4 wt% of MgO, and the mass ratio of the components of the ionic colorant to the basic batch is 100: 0.1 Co 2 O 3 。
The preparation method of the colored high-color-fastness glass fiber comprises the following steps:
(a) weighing the basic batch and the ionic colorant, and grinding and mixing to obtain a mixture;
(b) adding the mixture obtained in the step (a) into a heating kiln body of a high-performance special glass fiber integrated forming device described in patent CN201920368751.7, and heating to 1500 ℃ to form glass melt;
(c) the glass melt in the step (b) reaches a constant-temperature discharging device through a melt ascending channel;
(d) and (c) delivering the glass melt reaching the constant-temperature discharging device in the step (c) to a wire drawing forming device through a liquid outlet, and performing liquid coating and high-speed rotary wire drawing forming through the wire drawing forming device to obtain the blue high-color-fastness glass fiber.
Example 3:
a high-color-fastness color glass fiber is prepared from a basic material mixture with chemical components of 70 wt% SiO 2 、2 wt%Al 2 O 3 、15wt%（K 2 O+Na 2 O, wherein K 2 O：Na 2 O = 2: 1) 9 wt% of CaO and 4 wt% of MgO, and designing the mass ratio of each component of the ionic colorant to the basic batch to be 100 of the basic batch: 1.5 Ionic colorants, the ionic colorant having an internal mass ratio of 0.2 Co 2 O 3 ：1 NiO。
The preparation method of the colored high-color-fastness glass fiber comprises the following steps:
(a) weighing the basic batch and the ionic colorant, and grinding and mixing to obtain a mixture;
(b) adding the mixture obtained in the step (a) into a heating kiln body of a high-performance special glass fiber integrated forming device described in patent CN201920368751.7, and heating to 1500 ℃ to form glass melt;
(c) the glass melt in the step (b) reaches a constant-temperature discharging device through a melt ascending channel;
(d) and (c) enabling the glass melt reaching the constant-temperature discharging device in the step (c) to reach a wire drawing forming device through a liquid outlet, and then carrying out liquid coating and high-speed rotary wire drawing forming through the wire drawing forming device to obtain the purple high-color-fastness glass fiber.
Example 4:
a high-color-fastness color glass fiber is prepared from 55 wt% SiO as basic material 2 、3wt%Al 2 O 3 、16wt%（K 2 O+Na 2 O, wherein K 2 O：Na 2 O = 3: 1) 17 wt% of CaO and 9 wt% of MgO, and the mass ratio of the components of the ionic colorant to the basic batch is 100: 3.5 Ionic colorants, wherein the mass ratio in the ionic colorant is 1Co 2 O 3 ：2.5Fe 2 O 3 。
The preparation method of the colored high-color-fastness glass fiber comprises the following steps:
(a) weighing the basic batch and the ionic colorant, and grinding and mixing to obtain a mixture;
(b) adding the mixture obtained in the step (a) into a heating kiln body of a high-performance special glass fiber integrated forming device described in patent CN201920368751.7, and heating to 1500 ℃ to form glass melt;
(c) the glass melt in the step (b) reaches a constant-temperature discharging device through a melt ascending channel;
(d) and (c) delivering the glass melt reaching the constant-temperature discharging device in the step (c) to a wire drawing forming device through a liquid outlet, and performing liquid coating and high-speed rotary wire drawing forming through the wire drawing forming device to obtain the grey high-color-fastness glass fiber.
Example 5:
a high-color-fastness color glass fiber is prepared from 60 wt% SiO as basic raw material 2 、4 wt%Al 2 O 3 、20wt%（K 2 O+Na 2 O, wherein K 2 O：Na 2 O = 5: 1) 13 wt% of CaO and 3 wt% of MgO, and the mass ratio of the components of the ionic colorant to the basic batch is 100: 8, an ionic colorant, wherein the mass ratio of the ionic colorant to the inside of the ionic colorant is 1 CuO: 0.2 Cr 2 O 3 ：3 Fe 2 O 3 ：0.5 NiO。
The preparation method of the colored high-color-fastness glass fiber comprises the following steps:
(a) weighing the basic batch and the ionic colorant, and grinding and mixing to obtain a mixture;
(b) adding the mixture obtained in the step (a) into a heating kiln body of a high-performance special glass fiber integrated forming device described in patent CN201920368751.7, and heating to 1500 ℃ to form glass melt;
(c) the glass melt in the step (b) reaches a constant-temperature discharging device through a melt ascending channel;
(d) and (c) delivering the glass melt reaching the constant-temperature discharging device in the step (c) to a wire drawing forming device through a liquid outlet, and performing liquid coating and high-speed rotary wire drawing forming through the wire drawing forming device to obtain the black glass fiber with high color fastness.
Table 2 shows the results of the color fastness tests performed on the colored glass fibers prepared in examples 1 to 5 as follows:
table 2:
as can be seen from the experimental data in Table 2, the glass fiber prepared by the method has extremely high color fastness to light, rubbing (dry rubbing), rubbing (wet rubbing) and high temperature (high temperature) and is obviously higher than the national standard requirements.
Claims (7)
1. The high-color-fastness colored glass fiber is characterized by comprising a base batch and an ionic coloring agent, wherein the weight ratio of the base batch to the ionic coloring agent is 100: 0.1 to 8;
the base batch is composed of 55-70 wt% SiO 2 、2-6 wt%Al 2 O 3 、15-25 wt%K 2 O and Na 2 O mixture, 9-17 wt% CaO and 3-9 wt% MgO, wherein K is 2 O and Na 2 The mass ratio of the two in the O mixture is K 2 O：Na 2 O=0.2-5：1；
The ionic colorant comprises one or more of iron, chromium, copper, nickel, or cobalt transition metal coloring ionic oxides.
2. The high-fastness colored glass fiber according to claim 1, wherein the ionic colorant is composed of CuO and Cr 2 O 3 The composition is characterized in that the mass ratio of CuO: cr (chromium) component 2 O 3 = 0.5-2: 1, the weight ratio of the basic batch to the ionic colorant is 100: 1-3.
3. The high-fastness colored glass fiber according to claim 1, wherein the ionic colorant is Co 2 O 3 The weight ratio of the basic batch to the ionic colorant is 100: 0.1-2.
4. The high-fastness colored glass fiber according to claim 1, wherein the ionic colorant is composed ofCo 2 O 3 And NiO, and the mass ratio of the two is Co 2 O 3 : NiO = 0-0.5: 1, the weight ratio of the basic batch to the ionic colorant is 100: 1-3.
5. The high-fastness colored glass fiber according to claim 1, wherein the ionic colorant is Co 2 O 3 And Fe 2 O 3 The mass ratio of the two components is Co 2 O 3 ：Fe 2 O 3 = 0.2-1: 1, the weight ratio of the basic batch to the ionic colorant is 100: 2-5.
6. The colored glass fiber with high color fastness according to claim 1, wherein the ionic colorant is selected from CuO and Cr 2 O 3 、Fe 2 O 3 And NiO, and the mass ratio of the four is CuO: cr (chromium) component 2 O 3 ：Fe 2 O 3 : NiO = 1: 0.1-0.4: 2-5: 0.2-0.8, the weight ratio of the basic batch to the ionic colorant is 100: 2-8.
7. A method for preparing the high-fastness colored glass fiber according to any one of claims 1 to 6, which is characterized by comprising the following steps:
(a) weighing the basic batch and the ionic colorant, and grinding and mixing to obtain a mixture;
(b) adding the mixture obtained in the step (a) into a glass fiber heating kiln body, and heating to 1500 ℃ to form glass melt;
(c) the glass melt in the step (b) reaches a constant-temperature discharging device through a melt ascending channel;
(d) and (c) enabling the glass melt reaching the constant-temperature discharging device in the step (c) to reach a wire drawing forming device through a liquid outlet, and then carrying out liquid coating and high-speed rotary wire drawing forming through the wire drawing forming device to obtain the high-color-fastness colored glass fiber.
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| CN116102263A (en) * | 2023-04-14 | 2023-05-12 | 淄博金石桥复合材料有限公司 | Colored high-strength glass fiber and preparation method thereof |
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Application publication date: 20220913 |