CN111807700B - Glass composition for white spirit bottles - Google Patents

Glass composition for white spirit bottles Download PDF

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Publication number
CN111807700B
CN111807700B CN202010759519.3A CN202010759519A CN111807700B CN 111807700 B CN111807700 B CN 111807700B CN 202010759519 A CN202010759519 A CN 202010759519A CN 111807700 B CN111807700 B CN 111807700B
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Prior art keywords
oxide
glass composition
white spirit
content
glass
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CN111807700A (en
Inventor
方习仲
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Shandong Jingfeng Glass Technology Co ltd
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Shandong Jingfeng Glass Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C3/00Glass compositions
    • C03C3/04Glass compositions containing silica
    • C03C3/076Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00Other methods of shaping glass
    • C03B19/02Other methods of shaping glass by casting molten glass, e.g. injection moulding
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B25/00Annealing glass products
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C4/00Compositions for glass with special properties
    • C03C4/02Compositions for glass with special properties for coloured glass

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Glass Compositions (AREA)

Abstract

The invention discloses a glass composition for white spirit bottles, which comprises the following components in percentage by weight: silica, alumina, magnesia, diboron trioxide, sodium oxide, potassium oxide, calcium oxide, lithium oxide; and further comprises yttria. The glass composition not only helps to achieve a lower coefficient of thermal expansion, but also a greater surface tension.

Description

Glass composition for white spirit bottles
Technical Field
The invention belongs to the technical field of glass; relates to a glass composition for white spirit bottles.
Background
At present, glass bottles used in the white spirit industry are more in variety, and different glass wine bottles are large in chemical composition difference and uneven in quality. And many components of the white spirit bottle react with white spirit in the process of containing the white spirit in a more or less ion exchange manner and the like, and influence physical change and chemical change of the white spirit to a certain extent, so that sensory evaluation of the white spirit is different. Thus, the composition of the glass composition used in the white spirit bottles has a significant impact on the physicochemical properties of the white spirit bottles, which in turn have a potential impact on the quality of the white spirit they contain. Among the many physicochemical properties of white spirit bottles, the properties of interest are two important indicators of thermal expansion coefficient and surface tension.
Soda lime glass is generally used as glass for white spirit bottles, and the main components of the glass composition comprise silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide, sodium oxide, additives and the like. The glass generally meets the requirements of relevant national standards such as GB/T24694-2009, GB/T3562-1999, GB/T19778-2005 and the like on performances such as internal pressure resistance, thermal shock resistance, impact resistance, water resistance, internal stress, heavy metal dissolution limit and the like of white spirit bottle products. However, two important indexes of the thermal expansion coefficient and the surface tension of the white spirit bottles are still not satisfactory.
Chinese patent application CN110734221a discloses a novel environment-friendly high-whiteness bottle and can glass, which comprises the following components in weight percentage: siO (SiO) 2 :72-75%,Al 2 O 3 :1.5-2.5%,CaO:8-12%,MgO:1-3%,(Na 2 O+K 2 O):12-14%,B 2 O 3 :1-3%,Li 2 O:0.2-1.0%,BaO:0.2-1.0%,CeO 2 :0.1-0.5% and proper amount of physical decolorizer. Under the condition of not increasing the manufacturing cost, the mechanical strength and the chemical stability of the high-whiteness bottle and tank glass are improved by changing the proportion of main raw materials and introducing new substancesThe glass of the traditional high-whiteness bottle and can is fragile and easy to separate sodium, thereby meeting the requirements of high-speed canning of winery, and simultaneously meeting the requirements of environmental protection and food safety by using a clarifier which does not contain fluorine, arsenic and antimony. However, the improvement of the two important indexes of the thermal expansion coefficient and the surface tension of the white spirit bottle is limited.
Accordingly, there remains a need to address the above-identified deficiencies of the prior art by providing a glass composition that provides greater improvements in both the important factors of thermal expansion and surface tension.
Disclosure of Invention
The invention aims to provide a glass composition for a white spirit bottle. Compared with the prior art, the glass composition for the white spirit bottle has lower thermal expansion coefficient and larger surface tension.
In order to solve the technical problems, the invention adopts the following technical scheme: the glass composition for the white spirit bottles comprises the following components in percentage by weight: silica, alumina, magnesia, diboron trioxide, sodium oxide, potassium oxide, calcium oxide, lithium oxide; characterized in that the glass composition further comprises yttria.
The glass composition according to the invention, wherein the content of yttrium oxide is 0.6-1 wt.%.
The glass composition according to the invention, wherein the content of alumina is 2.6-3.2 wt.%.
The glass composition according to the invention, wherein the content of silica is 71-73wt%.
The glass composition according to the present invention, wherein the glass composition further comprises strontium oxide.
The glass composition according to the invention, wherein the weight ratio of strontium oxide to calcium oxide is 1:4.
The glass composition according to the invention, wherein the sum of the contents of calcium oxide and strontium oxide is 8-10 wt.%.
The glass composition according to the invention, wherein the weight ratio of sodium oxide to potassium oxide is 3:1.
The glass composition according to the present invention, wherein the sum of the contents of sodium oxide and potassium oxide is 9 to 12wt%.
The glass composition according to the present invention contains 1.5 to 2.5wt%, 1 to 2wt% and 0.4 to 0.8wt% of magnesium oxide, diboron trioxide and lithium oxide, respectively.
The glass composition according to the invention, wherein the balance is other unavoidable impurities.
In a specific embodiment, the glass composition according to the invention comprises the following components in percentage by weight: silica: 72.2wt%, aluminum oxide: 3wt%, magnesium oxide: 2.1wt%, diboron trioxide: 1.5 percent of sodium oxide: 8.1wt% of potassium oxide: 2.7wt% of calcium oxide: 7.2wt% of strontium oxide: 1.8wt% of lithium oxide: 0.6wt% of yttrium oxide: 0.8wt%.
In the present invention, silica, alumina, magnesia and yttria are incorporated in oxide form; the diboron trioxide is introduced in the form of boric acid; sodium oxide, potassium oxide, calcium oxide, strontium oxide, and lithium oxide are introduced in the form of carbonates. The purity of the raw materials is above 99.0%.
Batching, mixing and grinding according to the designed formula; feeding the uniformly mixed materials into a glass melting furnace, wherein the furnace pressure is 2-4Pa, and melting at a high temperature of 1450-1550 ℃ to obtain glass liquid; adding molten glass into a preheated mold at 1160-1240 ℃ for molding operation; and then annealing operation is carried out, the annealing temperature is 500-600 ℃, the annealing time is 0.2-2h, and finally cooling to room temperature at the speed of 10-15 ℃/min, thus obtaining the white wine bottle.
The inventors found that the use of the glass composition according to the invention for the preparation of white spirit bottles, in combination with the use of yttria and strontium oxide in a specific ratio, with a suitable increase in the content of aluminium oxide, not only contributes to a lower coefficient of thermal expansion, but also to a greater surface tension, compared to the prior art.
Detailed Description
The invention is further described below in conjunction with the detailed description.
It should be understood that the description of the specific embodiments is merely illustrative of the principles and spirit of the invention, and not in limitation thereof. Further, it should be understood that various changes, substitutions, omissions, modifications, or adaptations to the present invention may be made by those skilled in the art after having read the present disclosure, and such equivalent embodiments are within the scope of the present invention as defined in the appended claims.
In the present invention, all parts are parts by weight unless otherwise indicated.
In the present invention, the test conditions for the thermal expansion coefficient are: the temperature rising rate is 5 ℃/min, and the temperature range is room temperature to 800 ℃. The surface tension is measured by a heating microscopy method.
Example 1
The glass composition comprises the following components in percentage by weight: silica: 72.2wt%, aluminum oxide: 3wt%, magnesium oxide: 2.1wt%, diboron trioxide: 1.5 percent of sodium oxide: 8.1wt% of potassium oxide: 2.7wt% of calcium oxide: 7.2wt% of strontium oxide: 1.8wt% of lithium oxide: 0.6wt% of yttrium oxide: 0.8wt%.
Batching, mixing and grinding according to the designed formula; feeding the uniformly mixed materials into a glass melting furnace, melting the materials at a high temperature of 1500 ℃ under the furnace pressure of 3Pa to obtain glass liquid; adding molten glass into a preheated mold at 1200 ℃ for molding operation; and then annealing operation is carried out, the annealing temperature is 560 ℃, the annealing time is 0.5h, and finally cooling to room temperature at the speed of 12 ℃/min, so that the white spirit bottle is prepared.
Comparative example 1
As in example 1, yttria was replaced with ceria.
Comparative example 2
As in example 1, the aluminum oxide content was adjusted to 2wt%; the sodium oxide content was adjusted to 9.1wt%.
Comparative example 3
As in example 1, strontium oxide was not added and the calcium oxide content was adjusted to 9wt%.
Performance testing
The white spirit bottles obtained in example 1 and comparative examples 1 to 3 were measured for their thermal expansion coefficients and surface tension. The results are shown in Table 1.
TABLE 1
As can be seen from Table 1, the white spirit bottles obtained in example 1 of the present invention obtained not only lower thermal expansion coefficients but also higher surface tension as compared with comparative examples 1 to 3.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims (1)

1. The glass composition for the white spirit bottles comprises the following components in percentage by weight: silica, aluminum oxide, magnesium oxide, boron oxide, sodium oxide, potassium oxide, calcium oxide, strontium oxide, lithium oxide and yttrium oxide, the balance being other unavoidable impurities;
wherein the content of the silicon dioxide is 71-73wt%;
the content of the aluminum oxide is 2.6-3.2wt%;
the contents of magnesium oxide, diboron trioxide and lithium oxide are respectively 1.5-2.5wt%, 1-2wt% and 0.4-0.8wt%;
the weight ratio of strontium oxide to calcium oxide is 1:4; the sum of the content of calcium oxide and strontium oxide is 8-10wt%;
the weight ratio of the sodium oxide to the potassium oxide is 3:1; the sum of the content of sodium oxide and potassium oxide is 9-12wt%;
the content of yttrium oxide is 0.6-1wt%.
CN202010759519.3A 2020-07-31 2020-07-31 Glass composition for white spirit bottles Active CN111807700B (en)

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CN111807700B true CN111807700B (en) 2023-12-12

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114436529A (en) * 2022-01-07 2022-05-06 四川中科玻璃有限公司 White wine bottle glass with low thermal expansion coefficient and high surface tension and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1594166A (en) * 2003-09-08 2005-03-16 郭柏驿 Glass for sealing with metal or alloy
CN104024171A (en) * 2011-10-31 2014-09-03 旭硝子株式会社 Glass substrate and method for producing same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6811941B2 (en) * 2015-07-17 2021-01-13 日本電気硝子株式会社 Borosilicate glass for pharmaceutical containers
WO2018121491A1 (en) * 2016-12-29 2018-07-05 广东东阳光药业有限公司 Borosilicate glass with high chemical resistance and application thereof
CN115716715B (en) * 2017-02-07 2024-09-17 Agc株式会社 Chemically strengthened glass

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1594166A (en) * 2003-09-08 2005-03-16 郭柏驿 Glass for sealing with metal or alloy
CN104024171A (en) * 2011-10-31 2014-09-03 旭硝子株式会社 Glass substrate and method for producing same

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