CN113620598A - High-elastic-modulus alkali aluminosilicate glass and preparation method thereof - Google Patents

High-elastic-modulus alkali aluminosilicate glass and preparation method thereof Download PDF

Info

Publication number
CN113620598A
CN113620598A CN202111080758.7A CN202111080758A CN113620598A CN 113620598 A CN113620598 A CN 113620598A CN 202111080758 A CN202111080758 A CN 202111080758A CN 113620598 A CN113620598 A CN 113620598A
Authority
CN
China
Prior art keywords
glass
component
elastic modulus
alkali aluminosilicate
aluminosilicate glass
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111080758.7A
Other languages
Chinese (zh)
Inventor
孙雪峰
韩正伟
何智钢
蔡礼貌
巩瑞龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Window Glass Co ltd
CSG Holding Co Ltd
Original Assignee
Hebei Window Glass Co ltd
CSG Holding Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hebei Window Glass Co ltd, CSG Holding Co Ltd filed Critical Hebei Window Glass Co ltd
Priority to CN202111080758.7A priority Critical patent/CN113620598A/en
Publication of CN113620598A publication Critical patent/CN113620598A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00—Other methods of shaping glass
    • C03B19/02—Other methods of shaping glass by casting molten glass, e.g. injection moulding
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B27/00—Tempering or quenching glass products
    • C03B27/02—Tempering or quenching glass products using liquid
    • C03B27/03—Tempering or quenching glass products using liquid the liquid being a molten metal or a molten salt

Abstract

The invention provides alkali aluminosilicate glass with high elastic modulus and a preparation method thereof. The high-elasticity modulus alkali aluminosilicate glass provided by the invention comprises a component A and a component B; the component A comprises the following components in percentage by mass of oxides: SiO 22，60％～72％；Al2O3，3％～13％；CaO，4％～14％；MgO，5％～10％；Na212 to 15 percent of O; the component B accounts for 0-2.5% of the component A by mass and is not 0% of the endpoint; the component B is La2O3. The glass can effectively improve the elastic modulus and the shear modulus, and has better strengthening performance after being chemically strengthened.

Description

High-elastic-modulus alkali aluminosilicate glass and preparation method thereof
Technical Field
The invention relates to the field of glass materials, in particular to alkali aluminosilicate glass with high elastic modulus and a preparation method thereof.
Background
In the float ultra-thin electronic glass industry, a glass sheet can be applied to an electronic product after the procedures of polishing, strengthening and the like. In the process of glass deep processing, the glass is inevitably deformed by external force, and if the deformation is too large, the normal use of the glass is affected. There are many factors affecting the deformation of glass, and the elastic modulus of glass itself is an important factor. The glass with high elastic modulus has strong capability of resisting external force without deformation, and the deformation is small in the deep processing process. The soda-lime glass and aluminosilicate glass currently commercially available (e.g., corning's "gorilla" glass) have a relatively low modulus of elasticity of 65-75 GPa.
In addition, other prior art glasses also have a poor modulus of elasticity. For example, patent application 201180011289.1, relates to a high modulus of elasticity lithium aluminosilicate glass and a method for its preparation2O、CeO2、B2O3Etc., but the elastic modulus thereof is at most 82 GPa. The invention patent application CN201610127466.7 relates to a glass containing SrO and Y2O3Etc. with elastic modulus lower than 85 GPa.
With the higher and higher requirements of the market on the deformation of electronic glass, the glass is required to have better deformation resistance and higher elastic modulus.
Disclosure of Invention
In view of the above, the present invention aims to provide an alkali aluminosilicate glass with high elastic modulus and a preparation method thereof. The high-elasticity-modulus alkali aluminosilicate glass provided by the invention can improve the elasticity modulus and has better over-deformation resistance; and after the strengthening processing, the surface compressive stress and the pressure layer depth are good.
The invention provides high-elasticity modulus alkali aluminosilicate glass which comprises a component A and a component B;
the component A comprises the following components in percentage by mass of oxides:
Figure BDA0003263915610000021
the mass of the component B is 0-2.5% of that of the component A, and the mass is not 0% of the endpoint;
the component B is La2O3。
Preferably, the mass ratio of each component is as follows:
Figure BDA0003263915610000022
the mass of the component B is 1.5-2.5% of that of the component A.
Preferably, the mass ratio of each component is as follows:
Figure BDA0003263915610000023
the mass of the component B is 1.5 percent of that of the component A.
Preferably, the mass ratio of each component is as follows:
Figure BDA0003263915610000024
the mass of the component B is 2.5 percent of that of the component A.
Preferably, the mass ratio of each component is as follows:
Figure BDA0003263915610000025
Figure BDA0003263915610000031
the mass of the component B is 1.5 percent of that of the component A.
Preferably, the mass ratio of each component is as follows:
Figure BDA0003263915610000032
the mass of the component B is 2.5 percent of that of the component A.
The invention also provides a preparation method of the alkali aluminosilicate glass with high elastic modulus in the technical scheme, which comprises the following steps:
a) mixing quartz sand, alumina, dolomite, magnesium oxide, soda ash and LaCl3·7H2Mixing O to obtain a mixture;
b) heating and melting the mixture to obtain molten glass;
c) and pouring the molten glass into a mold for molding, and annealing to obtain the glass.
8. The preparation method according to claim 7, wherein the heating and melting temperature is 1550-1650 ℃ and the time is 4-6 h;
the annealing temperature is 550-650 ℃, and the annealing time is 2-3 h.
Preferably, the step c) comprises:
c1) pouring the molten glass into a mold for molding, and annealing to obtain a glass sheet;
c2) putting the glass sheet on KNO3And strengthening in molten salt to obtain the strengthened glass.
Preferably, in the step c2), the strengthening temperature is 380-430 ℃.
The high-elasticity modulus alkali aluminosilicate glass provided by the invention comprises a component A and a component B, wherein the component A is composed of a component SiO2、Al2O3、CaO、MgO、Na2O is formed by combining a certain proportion and a specific component B, namely La is introduced2O3The glass can effectively improve the elastic modulus and the shear modulus, and has better strengthening performance after being chemically strengthened. The elastic modulus of the glass is related to chemical bond force among particles, the chemical bond force among the particles is related to complex factors such as atomic radius, valence number, attraction between ions and oxygen ions, and the like, particularly, the glass contains a plurality of oxide components, the interaction and influence among different components are complex,according to the invention, the components are matched according to a certain proportion, so that the elastic modulus and the shear modulus of the glass can be better improved, and the glass shows better strengthening performance after being chemically strengthened.
The experimental result shows that the elastic modulus of the glass provided by the invention reaches more than 90MPa, and the shear modulus reaches more than 37MPa, so that the glass provided by the invention has better deformation resistance; after chemical strengthening, the surface compressive stress CS of the glass reaches more than 748MPa, the depth DoL of a stress layer reaches more than 14 mu m, and the glass shows excellent chemical strengthening performance.
Detailed Description
The invention provides high-elasticity modulus alkali aluminosilicate glass which comprises a component A and a component B;
the component A comprises the following components in percentage by mass of oxides:
Figure BDA0003263915610000041
the mass of the component B is 0-2.5% of that of the component A, and the mass is not 0% of the endpoint;
the component B is La2O3。
The high-elasticity modulus alkali aluminosilicate glass provided by the invention comprises a component A and a component B, wherein the component A is composed of a component SiO2、Al2O3、CaO、MgO、Na2O is formed by combining a certain proportion and a specific component B, namely La is introduced2O3The glass can effectively improve the elastic modulus and the shear modulus, and has better strengthening performance after being chemically strengthened. The elastic modulus of the glass is related to the chemical bond force among the particles, the chemical bond force among the particles is related to complex factors such as atomic radius, valence electron number, ion and oxygen ion attraction, and particularly, the glass contains a plurality of oxide components, and the interaction and influence among different components are complexAnd (4) performance.
In the invention, preferably, the mass ratio of each component is as follows:
Figure BDA0003263915610000042
Figure BDA0003263915610000051
the mass of the component B is 1.5-2.5% of that of the component A.
In the present invention, the sum of the contents of the components in the component a is preferably 100%, that is, the component a is composed of the above components. In some embodiments of the invention, SiO in component A2The content of (A) is 65% or 69%; in some embodiments of the invention, Al in component A2O3The content of (A) is 5% or 10%; in other embodiments of the present invention, the CaO content of component a is 4% or 6%; in other embodiments of the present invention, the MgO content of component A is 5% or 6%. In other embodiments of the present invention, Na in component A2The O content was 15%. In other embodiments of the present invention, component B, i.e., La2O3The mass ratio of (a) to the component A is 1.5% or 2.5%; the invention introduces specific La2O3The components can be well combined and matched with the component A, so that the elastic modulus of the glass is improved.
In one embodiment of the invention, the mass ratio of each component is as follows:
Figure BDA0003263915610000052
the mass of the component B is 1.5 percent of that of the component A.
In another embodiment of the invention, the mass ratio of each component is as follows:
Figure BDA0003263915610000053
the mass of the component B is 2.5 percent of that of the component A.
In another embodiment of the invention, the mass ratio of each component is as follows:
Figure BDA0003263915610000054
Figure BDA0003263915610000061
the mass of the component B is 1.5 percent of that of the component A.
In another embodiment of the invention, the mass ratio of each component is as follows:
Figure BDA0003263915610000062
the mass of the component B is 2.5 percent of that of the component A.
The invention also provides a preparation method of the alkali aluminosilicate glass with high elastic modulus, which comprises the following steps:
a) mixing quartz sand, alumina, dolomite, magnesium oxide, soda ash and LaCl3·7H2Mixing O to obtain a mixture;
b) heating and melting the mixture to obtain molten glass;
c) and pouring the molten glass into a mold for molding, and annealing to obtain the glass.
With respect to step a):
the quartz sand, the alumina, the dolomite, the magnesia, the soda ash and the LaCl3·7H2O corresponds to SiO in the glass2、Al2O3、CaO、MgO、Na2O、La2O3The components, i.e. the respective oxide components, are introduced by means of the raw materials in the above-described forms. The dosage of the raw materials is based on the composition proportion of corresponding oxides in the target glass, namely, the raw materials are inversely calculated according to the component composition of the target glassAnd (4) feeding materials according to the material dosage ratio. The mixing mode is not particularly limited, and all the materials can be uniformly mixed.
With respect to step b):
in the invention, the temperature of the heating and melting is 1550-1650 ℃, and in some embodiments of the invention, 1550 ℃. The heat preservation time for heating and melting is 4-6 h, and in some embodiments of the invention is 5 h. Heating and melting to obtain molten glass.
With respect to step c):
in the present invention, the annealing temperature is 550 to 650 ℃, and in some embodiments of the present invention is 580 ℃. The annealing time is 2-3 h, and in some embodiments of the invention is 3 h. And annealing and naturally cooling to obtain the glass.
In the present invention, after the glass is obtained by annealing, chemical strengthening is preferably further performed. Namely, the step c) specifically comprises the following steps: c1) pouring the molten glass into a mold for molding, and annealing to obtain a glass sheet; c2) putting the glass sheet on KNO3And strengthening in molten salt to obtain the strengthened glass. Wherein the temperature of the chemical strengthening is preferably 380-430 ℃; the time for the chemical strengthening is preferably 4 hours.
According to the formula of the alkali aluminosilicate glass with high elastic modulus, the molten glass has high elastic modulus, so that the deformation resistance is improved; and after chemical strengthening, the composite material has better strengthening performance. Specifically, the elastic modulus of the glass reaches over 90 GPa; after the glass is chemically strengthened at 380-430 ℃, the glass has higher surface Compressive Stress (CS) and deeper stress layer depth (DoL), the surface Compressive Stress (CS) can reach 500-950 MPa, and the stress layer depth (DoL) can reach 10-30 mu m.
The experimental result shows that the elastic modulus of the glass provided by the invention reaches more than 90MPa, and the shear modulus reaches more than 37MPa, so that the glass provided by the invention has better deformation resistance; after chemical strengthening, the surface compressive stress CS of the glass reaches more than 748MPa, the depth DoL of a stress layer reaches more than 14 mu m, and the glass shows excellent chemical strengthening performance.
For a further understanding of the invention, reference will now be made to the preferred embodiments of the invention by way of example, and it is to be understood that the description is intended to further illustrate features and advantages of the invention, and not to limit the scope of the claims. In the following examples, the mass ratio of component B means the mass ratio of component B to the whole component A.
Example 1
1. The glass comprises the following components:
and (2) component A:
Figure BDA0003263915610000071
2. preparation of glass
S1, mixing quartz sand, alumina, dolomite, magnesia, soda ash and LaCl3·7H2Mixing O to obtain a mixture;
wherein, the feeding proportion of the raw materials is based on the proportion of each oxide in the glass product.
S2, heating and melting the mixture at 1550 ℃ for 5 hours to obtain molten glass.
And S4, pouring the molten glass into a mold for molding, annealing at 580 ℃ for 3h, and cooling to room temperature to obtain the glass.
3. Performance testing
The glass samples obtained were subjected to the following performance tests, respectively:
(1) after the obtained glass was cut, the elastic modulus was measured, and the test results are shown in Table 1.
(2) The obtained glass is subjected to chemical strengthening deep processing and then the strengthening performance is tested:
putting the cut glass into KNO3Strengthening is carried out in molten salt, and the strengthening conditions are as follows: the temperature is 420 ℃ and the time is 4 h. Thereafter, the samples were tested for reinforcement properties, and the results are shown in Table 1.
(3) The resulting glasses were tested for melting temperature, working point, softening point and the results are shown in table 1.
Example 2
1. The glass comprises the following components:
and (2) component A:
Figure BDA0003263915610000081
2. preparation of glass
S1, mixing quartz sand, alumina, dolomite, magnesia, soda ash and LaCl3·7H2Mixing O to obtain a mixture;
wherein, the feeding proportion of the raw materials is based on the proportion of each oxide in the glass product.
S2, heating and melting the mixture at 1550 ℃ for 5 hours to obtain molten glass.
And S4, pouring the molten glass into a mold for molding, annealing at 580 ℃ for 3h, and cooling to room temperature to obtain the glass.
3. Performance testing
Each performance test was conducted according to the test method of example 1, and the test results are shown in Table 1.
Example 3
1. The glass comprises the following components:
and (2) component A:
Figure BDA0003263915610000091
2. preparation of glass
S1, mixing quartz sand, alumina, dolomite, magnesia, soda ash and LaCl3·7H2Mixing O to obtain a mixture;
wherein, the feeding proportion of the raw materials is based on the proportion of each oxide in the glass product.
S2, heating and melting the mixture at 1550 ℃ for 5 hours to obtain molten glass.
And S4, pouring the molten glass into a mold for molding, annealing at 580 ℃ for 3h, and cooling to room temperature to obtain the glass.
3. Performance testing
Each performance test was conducted according to the test method of example 1, and the test results are shown in Table 1.
Example 4
1. The glass comprises the following components:
and (2) component A:
Figure BDA0003263915610000092
2. preparation of glass
S1, mixing quartz sand, alumina, dolomite, magnesia, soda ash and LaCl3·7H2Mixing O to obtain a mixture;
wherein, the feeding proportion of the raw materials is based on the proportion of each oxide in the glass product.
S2, heating and melting the mixture at 1550 ℃ for 5 hours to obtain molten glass.
And S4, pouring the molten glass into a mold for molding, annealing at 580 ℃ for 3h, and cooling to room temperature to obtain the glass.
3. Performance testing
Each performance test was conducted according to the test method of example 1, and the test results are shown in Table 1.
Comparative example 1
1. The glass comprises the following components: the difference from example 3 is that component B (La) is not incorporated2O3). The method comprises the following specific steps:
Figure BDA0003263915610000101
2. preparing glass: the same as in example 3.
3. And (3) performance testing: the same as in example 3.
TABLE 1 glass compositions and Properties of examples 1-4 and comparative example 1
Figure BDA0003263915610000102
Figure BDA0003263915610000111
As can be seen from the test results in Table 1, compared with comparative example 1, the elastic modulus and the shear modulus of the glass provided by embodiments 1 to 4 of the invention are obviously improved, the elastic modulus reaches more than 90MPa, and the shear modulus reaches more than 37MPa, so that the deformation resistance of the glass provided by the invention is improved. Meanwhile, the chemical strengthening performance of the glass is obviously improved in the embodiments 1-4, after the glass is chemically strengthened, the surface compressive stress CS of the glass reaches more than 748MPa, and the depth DoL of a stress layer reaches more than 14 mu m.
Comparative example 2
1. The glass comprises the following components: the difference from example 1 is that component B (La) is not introduced2O3). The method comprises the following specific steps:
Figure BDA0003263915610000112
2. preparing glass: the same as in example 1.
3. And (3) performance testing: the glass was tested for elastic modulus and shear modulus with reference to example 1 and compared to the effect of example 1, with the results shown in table 2.
TABLE 2 modulus of elasticity and shear modulus of comparative example 2
Modulus of elasticity/GPa Shear modulus/GPa
Example 1 94.5 38.9
Comparative example 2 71.8 29.6
As can be seen from the test results in Table 2, the elastic modulus and shear modulus of the glass obtained in example 1 are significantly improved as compared with those of comparative example 2.
The foregoing examples are provided to facilitate an understanding of the principles of the invention and their core concepts, including the best mode, and also to enable any person skilled in the art to practice the invention, including making and using any devices or systems and performing any incorporated methods. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention. The scope of the invention is defined by the claims and may include other embodiments that occur to those skilled in the art. Such other embodiments are intended to be within the scope of the claims if they have structural elements that approximate the literal language of the claims, or if they include equivalent structural elements with insubstantial differences from the literal languages of the claims.

Claims (10)

1. An alkali aluminosilicate glass with high elastic modulus is characterized by comprising a component A and a component B;
the component A comprises the following components in percentage by mass of oxides:
Figure FDA0003263915600000011
the component B is La2O3。
2. The alkali aluminosilicate glass with high elastic modulus according to claim 1, wherein the mass ratio of each component is as follows:
Figure FDA0003263915600000012
3. the alkali aluminosilicate glass with high elastic modulus according to claim 1, wherein the mass ratio of each component is as follows:
Figure FDA0003263915600000013
4. the alkali aluminosilicate glass with high elastic modulus according to claim 1, wherein the mass ratio of each component is as follows:
Figure FDA0003263915600000014
Figure FDA0003263915600000021
5. the alkali aluminosilicate glass with high elastic modulus according to claim 1, wherein the mass ratio of each component is as follows:
Figure FDA0003263915600000022
6. the alkali aluminosilicate glass with high elastic modulus according to claim 1, wherein the mass ratio of each component is as follows:
Figure FDA0003263915600000023
7. a method for producing the high elastic modulus alkali aluminosilicate glass according to any one of claims 1 to 6, comprising the steps of:
a) mixing quartz sand, alumina, dolomite, magnesium oxide, soda ash and LaCl3·7H2Mixing O to obtain a mixture;
b) heating and melting the mixture to obtain molten glass;
c) and pouring the molten glass into a mold for molding, and annealing to obtain the glass.
8. The preparation method according to claim 7, wherein the heating and melting temperature is 1550-1650 ℃ and the time is 4-6 h;
the annealing temperature is 550-650 ℃, and the annealing time is 2-3 h.
9. The method of claim 7, wherein the step c) comprises:
c1) pouring the molten glass into a mold for molding, and annealing to obtain a glass sheet;
c2) putting the glass sheet on KNO3And strengthening in molten salt to obtain the strengthened glass.
10. The method as claimed in claim 7, wherein the temperature for strengthening in step c2) is 380-430 ℃.
CN202111080758.7A 2021-09-15 2021-09-15 High-elastic-modulus alkali aluminosilicate glass and preparation method thereof Pending CN113620598A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111080758.7A CN113620598A (en) 2021-09-15 2021-09-15 High-elastic-modulus alkali aluminosilicate glass and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111080758.7A CN113620598A (en) 2021-09-15 2021-09-15 High-elastic-modulus alkali aluminosilicate glass and preparation method thereof

Publications (1)

Publication Number Publication Date
CN113620598A true CN113620598A (en) 2021-11-09

Family

ID=78390097

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111080758.7A Pending CN113620598A (en) 2021-09-15 2021-09-15 High-elastic-modulus alkali aluminosilicate glass and preparation method thereof

Country Status (1)

Country Link
CN (1) CN113620598A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101117270A (en) * 2007-06-07 2008-02-06 河南安彩高科股份有限公司 Aluminium borosilicate glass with high elastic modulus and uses thereof
CN105731814A (en) * 2016-02-29 2016-07-06 巨石集团有限公司 High-modulus glass fiber composition as well as glass fiber and composite material thereof
CN105819684A (en) * 2016-04-01 2016-08-03 东旭科技集团有限公司 Composition for glass, alumina borosilicate glass, preparation method of alumina borosilicate glass and applications of composition for glass and alumina borosilicate glass
CN107434354A (en) * 2016-05-25 2017-12-05 中国南玻集团股份有限公司 Alumina silicate glass, antibiotic glass and preparation method thereof
CN108046588A (en) * 2017-10-26 2018-05-18 中国南玻集团股份有限公司 Alumina silicate glass and preparation method thereof, touched panel glass cover board
CN111217520A (en) * 2018-11-26 2020-06-02 Ocv智识资本有限责任公司 High performance fiberglass compositions with improved modulus of elasticity
CN112979168A (en) * 2021-04-27 2021-06-18 山东墨匠新材料科技有限公司 High-elasticity-modulus glass fiber composition and preparation method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101117270A (en) * 2007-06-07 2008-02-06 河南安彩高科股份有限公司 Aluminium borosilicate glass with high elastic modulus and uses thereof
CN105731814A (en) * 2016-02-29 2016-07-06 巨石集团有限公司 High-modulus glass fiber composition as well as glass fiber and composite material thereof
CN105819684A (en) * 2016-04-01 2016-08-03 东旭科技集团有限公司 Composition for glass, alumina borosilicate glass, preparation method of alumina borosilicate glass and applications of composition for glass and alumina borosilicate glass
CN107434354A (en) * 2016-05-25 2017-12-05 中国南玻集团股份有限公司 Alumina silicate glass, antibiotic glass and preparation method thereof
CN108046588A (en) * 2017-10-26 2018-05-18 中国南玻集团股份有限公司 Alumina silicate glass and preparation method thereof, touched panel glass cover board
CN111217520A (en) * 2018-11-26 2020-06-02 Ocv智识资本有限责任公司 High performance fiberglass compositions with improved modulus of elasticity
WO2020112398A1 (en) * 2018-11-26 2020-06-04 Ocv Intellectual Capital, Llc High performance fiberglass composition with improved elastic modulus
CN112979168A (en) * 2021-04-27 2021-06-18 山东墨匠新材料科技有限公司 High-elasticity-modulus glass fiber composition and preparation method thereof

Similar Documents

Publication Publication Date Title
CN110316974B (en) Alkali-containing aluminosilicate glass, product, strengthening method and application thereof
EP3286150B1 (en) Chemically temperable glass sheet
TWI491571B (en) Glass plate for display device, plate glass for display device and production process thereof
EP3126302B1 (en) Chemically temperable glass sheet
KR102004007B1 (en) Chemically strengthened glass and method for producing same
US9783451B2 (en) Glass composition, glass composition for chemical strengthening, strengthened glass article, and cover glass for display
CN110240419B (en) Lithium aluminum silicon glass, lithium aluminum silicon chemically strengthened glass, and preparation method and application thereof
JP2022550970A (en) Lithium zirconium aluminosilicate glass, tempered glass, manufacturing method thereof and display parts
EP3263534A1 (en) Chemically temperable glass sheet
CN108863050A (en) Lithium alumina silicate glass and preparation method thereof
TW201726575A (en) Chemically strengthened glass, and glass for chemical strengthening
WO2020082328A1 (en) Microcrystalline glass product and microcrystalline glass for electronic equipment cover plate
EP3164365B1 (en) Glass composition for chemically strengthened alkali-aluminosilicate glass and method for the manufacture thereof
KR102237169B1 (en) Glass composition for chemically strengthened alkali-aluminosilicate glass and method for the manufacture thereof
CN102417301A (en) Glass composition and glass made of the composition, preparation method and purpose
CN107935378A (en) A kind of high strength glass for display device and preparation method thereof
CN107663032A (en) A kind of chemically reinforced glass for electronic installation and preparation method thereof
CN109437555B (en) Aluminosilicate glass, preparation method thereof, cover plate and display device
CN112441741A (en) Ultrathin aluminosilicate glass and preparation method and application thereof
CN105384336A (en) Silicate glass composition, ultra-thin glass made of same, preparing method and application
CN114804619A (en) Medium-alumina glass and preparation method and application thereof
CN109694186A (en) A kind of chemically reinforced glass plate and preparation method thereof
CN109020196B (en) Chemically strengthened glass easy for ion exchange
CN112142323B (en) Lithium-aluminum silicate glass with surface crack repairing capability and preparation method thereof
CN115490423B (en) Aluminosilicate glass and method for producing same

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20211109