CN111302640A - Special-shaped glass fiber and preparation method thereof - Google Patents
Special-shaped glass fiber and preparation method thereof Download PDFInfo
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- CN111302640A CN111302640A CN201811507739.6A CN201811507739A CN111302640A CN 111302640 A CN111302640 A CN 111302640A CN 201811507739 A CN201811507739 A CN 201811507739A CN 111302640 A CN111302640 A CN 111302640A
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- glass fiber
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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
-
- 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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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 provides a profiled glass fiber which is prepared from the following raw materials: SiO 22、Al2O3The special-shaped glass fiber comprises MgO, CuO, CaO, BaO, ZnO, NiO, SiC and graphene oxide, wherein the special-shaped ratio of the special-shaped glass fiber is 3.6-4.2, the filling rate of the special-shaped glass fiber is 85% -90%, and the slenderness ratio of the special-shaped glass fiber is 1.2-5. The profiled glass fiber provided by the invention is prepared by controlling the components of the formula and the content of each component, and has high tensile strength and tensile modulus, and meanwhile, the product has high filling rate and stable profile ratio. Experimental results show that the longitudinal tensile strength of the profiled glass fiber provided by the invention can reach more than 6000MPa, the transverse tensile strength can reach more than 5200MPa, and the tensile modulus can reach more than 121 GPa.
Description
Technical Field
The invention relates to the technical field of glass and processing, in particular to a profiled glass fiber.
Background
The shaped glass fiber, also called as shaped cross section glass fiber, is a glass fiber with special cross section shape, which is spun by a spinneret orifice with certain geometric shape. The cross section of the profiled glass fiber can form an irregular geometric shape, so that compared with the traditional glass fiber, the profiled glass fiber has the characteristics of large specific surface area, good fluidity, good optical effect and the like, and has wider application prospect in the fields of military industry, automobiles, ships, information industry and the like.
At present, the profiled glass fiber is mostly made of common alkali-free glass as a production raw material and is formed by melting. In the forming process, the glass stream can be automatically rounded before cooling and solidifying to form the fiber under the action of surface tension, so that the preparation process of the special-shaped glass fiber has strict control on the components of the glass formula and the proportion of each component, and the requirement that a final product can have a certain special-shaped ratio and filling rate can be met.
However, due to the limitation of the components of the profiled glass fiber, the tensile strength and tensile modulus of the product cannot meet the requirements of the high-strength and high-modulus field.
Disclosure of Invention
In order to solve the technical problems, the invention provides a profiled glass fiber and a preparation method thereof, and aims to provide the profiled glass fiber, by controlling the formula components and the content of each component, the profiled glass fiber with higher tensile strength and tensile modulus is prepared, and meanwhile, the product has higher filling rate and stable profile ratio.
The invention provides a profiled glass fiber which is prepared from the following raw materials: SiO 22、Al2O3The special-shaped glass fiber comprises MgO, CuO, CaO, BaO, ZnO, NiO, SiC and graphene oxide, wherein the special-shaped ratio of the special-shaped glass fiber is 3.6-4.2, the filling rate of the special-shaped glass fiber is 85% -90%, and the slenderness ratio of the special-shaped glass fiber is 1.2-5.
As a further improvement of the invention, the health-care food is prepared from the following raw materials in parts by weight: SiO 2260 to 80 portions of Al2O318-30 parts of MgO, 5-10 parts of CuO, 1-2 parts of CaO, 3-5 parts of BaO, 1-2 parts of ZnO, 2-3 parts of NiO, 1-3 parts of SiC and 1-2 parts of graphene oxide.
As a further improvement of the invention, the health-care food is prepared from the following raw materials in parts by weight: SiO 2265-75 parts of Al2O320-25 parts of MgO 7-9 parts of CuO 1.2-1.7 parts of CaO 4-5 parts of BaO 1.1-1.5 parts of ZnO 2-3 parts of NiO 2.1-2.5 parts of SiC 2-3 parts of oxide1.2-1.8 parts of graphene.
As a further improvement of the invention, the health-care food is prepared from the following raw materials in parts by weight: SiO 2270 parts of Al2O322 parts, 8 parts of MgO, 1.4 parts of CuO, 4 parts of CaO, 1.3 parts of BaO, 2.4 parts of ZnO, 2.3 parts of NiO, 2.2 parts of SiC and 1.6 parts of graphene oxide.
The invention further protects a preparation method of the profiled glass fiber, which comprises the following steps:
s1, weighing all components of the profiled glass fiber in proportion, uniformly mixing, heating, melting and clarifying to obtain high-temperature glass liquid;
and S2, allowing the high-temperature glass liquid to flow out through a leakage hole, drawing a wire, and sequentially cooling and infiltrating to obtain the profiled glass fiber.
As a further improvement of the invention, the heating temperature is 1000-1200 ℃.
As a further improvement of the invention, the clarification time is 10-12 h.
As a further improvement of the invention, the cooling temperature is 850-950 ℃.
As a further improvement of the invention, the drawing speed is 2-3 m/s. .
As a further improvement of the invention, the soaking time is 1-2 h. .
The invention has the following beneficial effects: the profiled glass fiber provided by the invention is prepared by controlling the components of the formula and the content of each component, and has high tensile strength and tensile modulus, and meanwhile, the product has high filling rate and stable profile ratio. Experimental results show that the longitudinal tensile strength of the profiled glass fiber provided by the invention can reach more than 6000MPa, the transverse tensile strength can reach more than 5200MPa, and the tensile modulus can reach more than 121 GPa.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the embodiments described are only some representative embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
The profiled glass fiber has a profiled ratio of 3.6, a filling rate of 85% and an elongation ratio of 1.2.
The raw materials comprise the following components in parts by weight: SiO 2260 parts of Al2O318 parts of MgO, 5 parts of CuO, 3 parts of CaO, 1 part of BaO, 1 part of ZnO, 2 parts of NiO, 1 part of SiC and 1 part of graphene oxide.
A preparation method of profiled glass fiber comprises the following steps:
s1, weighing all components of the profiled glass fiber in proportion, uniformly mixing, heating and melting, wherein the heating temperature is 1000 ℃, clarifying is carried out, and the clarifying time is 10 hours, so as to obtain high-temperature glass liquid;
and S2, allowing the high-temperature glass liquid to flow out through a leakage hole, drawing wires at the speed of 2m/s, sequentially cooling at the cooling temperature of 850 ℃, and infiltrating for 1h to obtain the special-shaped glass fiber.
Example 2
The profiled glass fiber has a profiled ratio of 4.2, a filling rate of 90% and an elongation ratio of 5.
The raw materials comprise the following components in parts by weight: SiO 2280 parts of Al2O330 parts of MgO, 10 parts of CuO, 5 parts of CaO, 2 parts of BaO, 3 parts of ZnO, 3 parts of NiO, 3 parts of SiC and 2 parts of graphene oxide.
A preparation method of profiled glass fiber comprises the following steps:
s1, weighing all components of the profiled glass fiber in proportion, uniformly mixing, heating and melting at 1200 ℃, clarifying for 12h to obtain high-temperature glass liquid;
and S2, allowing the high-temperature glass liquid to flow out through a leakage hole, drawing wires at a wire drawing speed of 3m/s, sequentially cooling at 950 ℃ for infiltration for 2 hours to obtain the special-shaped glass fiber.
Example 3
The profiled glass fiber has a profiled ratio of 3.7, a filling rate of 86% and an elongation ratio of 2.
The raw materials comprise the following components in parts by weight: SiO 2265 parts of Al2O320 parts of MgO, 7 parts of CuO, 1.2 parts of CaO, 4 parts of CaO, 1.1 parts of BaO1, 2 parts of ZnO, 2.1 parts of NiO, 2 parts of SiC and 1.2 parts of graphene oxide.
A preparation method of profiled glass fiber comprises the following steps:
s1, weighing all components of the profiled glass fiber in proportion, uniformly mixing, heating and melting at 1050 ℃, clarifying for 11h to obtain high-temperature glass liquid;
and S2, allowing the high-temperature glass liquid to flow out through a leakage hole, drawing a wire at a wire drawing speed of 2m/s, sequentially cooling at 870 ℃ for infiltration for 1h to obtain the special-shaped glass fiber.
Example 4
The profiled glass fiber has a profiled ratio of 4, a filling rate of 88% and an elongation ratio of 3.8.
The raw materials comprise the following components in parts by weight: SiO 2275 parts of Al2O325 parts of MgO 9 parts, CuO 1.7 parts, CaO 5 parts, BaO1.5 parts, ZnO 3 parts, NiO 2.5 parts, SiC 3 parts and graphene oxide 1.8 parts.
A preparation method of profiled glass fiber comprises the following steps:
s1, weighing all components of the profiled glass fiber in proportion, uniformly mixing, heating and melting at 1150 ℃, clarifying for 11h to obtain high-temperature glass liquid;
and S2, allowing the high-temperature glass liquid to flow out through a leakage hole, drawing a wire, sequentially cooling at 920 ℃ at the wire drawing speed of 3m/s, and infiltrating for 2 hours to obtain the special-shaped glass fiber.
Example 5
The profiled glass fiber has a profiled ratio of 3.8, a filling rate of 87% and an elongation ratio of 3.2.
The raw materials comprise the following components in parts by weight: SiO 2270 parts of Al2O322 parts, 8 parts of MgO, 1.4 parts of CuO, 4 parts of CaO, 1.3 parts of BaO3, 2.4 parts of ZnO, 2.3 parts of NiO, 2.2 parts of SiC and 1.6 parts of graphene oxide.
A preparation method of profiled glass fiber comprises the following steps:
s1, weighing all components of the profiled glass fiber in proportion, uniformly mixing, heating and melting, wherein the heating temperature is 1100 ℃, clarifying is carried out, and the clarifying time is 11 hours, so as to obtain high-temperature glass liquid;
and S2, allowing the high-temperature glass liquid to flow out through a leakage hole, drawing wires at the speed of 2.5m/s, sequentially cooling at the temperature of 900 ℃, and infiltrating for 1.5 hours to obtain the profiled glass fibers.
Test example 1
The profiled glass fibers prepared in the embodiments 1 to 5 of the invention are subjected to performance test, and the specific process is as follows:
the tensile strength was measured as follows: pressing the profiled glass fibers obtained in the embodiments 1-6 of the invention into 25mm × 25mm plates 1-6 respectively, wherein the thickness is 2 mm-5 mm; respectively carrying out tension tests on the pressed plates 1-6 in the longitudinal direction and the transverse direction, and making samples and testing standards according to GB/T20310-2006/IOS 9163: 2005.
the results are shown in Table 1.
TABLE 1
Compared with the prior art, the profiled glass fiber provided by the invention has the advantages that the profiled glass fiber with higher tensile strength and tensile modulus is prepared by controlling the components of the formula and the content of each component, and meanwhile, the product has higher filling rate and stable profile ratio. Experimental results show that the longitudinal tensile strength of the profiled glass fiber provided by the invention can reach more than 6000MPa, the transverse tensile strength can reach more than 5200MPa, and the tensile modulus can reach more than 121 GPa.
Various modifications may be made to the above without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is therefore intended to be limited not by the above description, but rather by the scope of the appended claims.
Claims (10)
1. The profiled glass fiber is characterized by being prepared from the following raw materials: SiO 22、Al2O3The special-shaped glass fiber comprises MgO, CuO, CaO, BaO, ZnO, NiO, SiC and graphene oxide, wherein the special-shaped ratio of the special-shaped glass fiber is 3.6-4.2, the filling rate of the special-shaped glass fiber is 85% -90%, and the slenderness ratio of the special-shaped glass fiber is 1.2-5.
2. A shaped glass fiber as claimed in claim 1, which is prepared from the following raw materials in parts by weight: SiO 2260 to 80 portions of Al2O318-30 parts of MgO, 5-10 parts of CuO, 1-2 parts of CaO, 3-5 parts of BaO, 1-2 parts of ZnO, 2-3 parts of NiO, 1-3 parts of SiC and 1-2 parts of graphene oxide.
3. A shaped glass fiber as claimed in claim 2, which is prepared from the following raw materials in parts by weight: SiO 2265-75 parts of Al2O320-25 parts of magnesium oxide, 7-9 parts of MgO, 1.2-1.7 parts of CuO, 4-5 parts of CaO, 1.1-1.5 parts of BaO, 2-3 parts of ZnO, 2.1-2.5 parts of NiO, 2-3 parts of SiC and 1.2-1.8 parts of graphene oxide.
4. A shaped glass fiber as claimed in claim 3, which is prepared from the following raw materials in parts by weight: SiO 2270 parts of Al2O322 portions of MgO8 portions, CuO 1.4 portions, CaO 4 portions, BaO1.3 portions, ZnO 2.4 portions,2.3 parts of NiO, 2.2 parts of SiC and 1.6 parts of graphene oxide.
5. A process for preparing a shaped glass fiber according to any of claims 1 to 4, characterized in that it is prepared according to the following steps:
s1, weighing all components of the profiled glass fiber in proportion, uniformly mixing, heating, melting and clarifying to obtain high-temperature glass liquid;
and S2, allowing the high-temperature glass liquid to flow out through a leakage hole, drawing a wire, and sequentially cooling and infiltrating to obtain the profiled glass fiber.
6. The method as claimed in claim 5, wherein the heating temperature is 1000-1200 ℃.
7. A process for preparing a shaped glass fiber according to claim 5, wherein the fining time is from 10 to 12 hours.
8. A process for preparing a shaped glass fiber as defined in claim 5, wherein the cooling temperature is 850 ℃ and 950 ℃.
9. A process for preparing a shaped glass fiber as claimed in claim 5, wherein the drawing speed is 2 to 3 m/s.
10. The method of claim 5, wherein the soaking time is 1-2 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811507739.6A CN111302640A (en) | 2018-12-11 | 2018-12-11 | Special-shaped glass fiber and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811507739.6A CN111302640A (en) | 2018-12-11 | 2018-12-11 | Special-shaped glass fiber and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111302640A true CN111302640A (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811507739.6A Withdrawn CN111302640A (en) | 2018-12-11 | 2018-12-11 | Special-shaped glass fiber and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011158A (en) * | 2021-11-25 | 2022-02-08 | 镇江瑞昊工程塑料有限公司 | Method for modifying composite filter material by PTFE emulsion |
| JP7393714B1 (en) | 2023-01-26 | 2023-12-07 | 日東紡績株式会社 | Flat cross-section glass fibers, glass fiber reinforced resin compositions and glass fiber reinforced resin molded products |
-
2018
- 2018-12-11 CN CN201811507739.6A patent/CN111302640A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011158A (en) * | 2021-11-25 | 2022-02-08 | 镇江瑞昊工程塑料有限公司 | Method for modifying composite filter material by PTFE emulsion |
| JP7393714B1 (en) | 2023-01-26 | 2023-12-07 | 日東紡績株式会社 | Flat cross-section glass fibers, glass fiber reinforced resin compositions and glass fiber reinforced resin molded products |
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Application publication date: 20200619 |
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