阅读说明：本技术 耐碱中硼硅药用玻璃配方及其制法 (Alkali-resistant medium borosilicate medicinal glass formula and preparation method thereof ) 是由 苏玉才 杜少君 高振国 于 2020-12-31 设计创作，主要内容包括：本发明公开了耐碱中硼硅药用玻璃的制法,包括以下步骤：首先,根据配比取用对应质量份数的原料,备用；其次,将原料充分混合并添加入熔炉中,将其全部融化,并再次充分混合；然后,采用吹压成型工艺,熔融物料温度达到1100-1120℃时,将熔融的物料送至对应的模具中,完成模压；然后,对模具中的产品进行退温,完成退温后取出产品；最后,进行检验包装,合格产品入库,不合格产品回收再利用。本发明中,可以降低生产用于盛装碳酸氢钠药品的玻璃瓶的难度,且解决了玻璃瓶制造过程中难熔化、难澄清、难成型的技术问题,大大提高了玻璃瓶生产的成形率,使得中硼硅玻璃制作成的玻璃瓶得以广泛使用。(The invention discloses a method for preparing alkali-resistant borosilicate medical glass, which comprises the following steps: firstly, taking raw materials in parts by mass according to a ratio for later use; secondly, fully mixing the raw materials, adding the mixture into a melting furnace, completely melting the mixture, and fully mixing the mixture again; then, adopting a blow-compression molding process, and when the temperature of the molten material reaches 1100-1120 ℃, sending the molten material into a corresponding mold to complete mold pressing; then, the product in the mold is cooled down, and the product is taken out after cooling down is completed; and finally, inspecting and packaging, warehousing qualified products and recycling unqualified products. The invention can reduce the difficulty of producing the glass bottle for containing the sodium bicarbonate medicine, solves the technical problems of infusibility, difficult clarification and difficult forming in the glass bottle manufacturing process, greatly improves the forming rate of glass bottle production, and enables the glass bottle made of the medium borosilicate glass to be widely used.)

1. The preparation method of alkali-resistant medium borosilicate medicinal glass is characterized by comprising the following steps of:

firstly, taking raw materials in parts by mass according to a ratio for later use;

secondly, fully mixing the raw materials, adding the mixture into a melting furnace, completely melting the mixture, and fully mixing the mixture again;

then, adopting a blow-compression molding process, and when the temperature of the molten material reaches 1100-1120 ℃, sending the molten material into a corresponding mold to complete mold pressing;

then, the product in the mold is cooled down, and the product is taken out after cooling down is completed;

and finally, inspecting and packaging, warehousing qualified products and recycling unqualified products.

2. The method for preparing alkali-resistant medium borosilicate medicinal glass according to claim 1, wherein: the melting furnace adopts a full-cold-top electric melting furnace, and the electric melting load of the melting furnace is 1.2-1.3 degrees/Kg of glass.

3. The method for preparing alkali-resistant medium borosilicate medicinal glass according to claim 1, wherein: the molten material is delivered to the corresponding die through the feeding cavity channel, the feeding cavity channel is heated through the heating part and used for heating the flowing molten material, and the stirring mechanism is arranged inside the feeding cavity channel.

4. The method for preparing alkali-resistant medium borosilicate glass for pharmaceutical use according to claim 3, wherein: the heating part comprises a molybdenum electrode and a silicon carbide rod.

5. The method for preparing alkali-resistant medium borosilicate medicinal glass according to claim 1, wherein: before the raw materials are mixed, measuring the water content of each raw material, mixing the raw materials by using a mixer for more than or equal to 240 seconds, wherein the uniformity of the mixed raw materials is more than or equal to 95 percent, and the water content of the mixed raw materials is less than or equal to 3 percent.

6. An alkali-resistant medium borosilicate medicinal glass formulation for manufacturing the alkali-resistant medium borosilicate medicinal glass of claim 1, which is characterized by comprising the following raw materials in parts by mass:

silicon dioxide: 73.2-74 parts; alumina: 4.5-6 parts; zirconium dioxide: 1.8-2.1 parts; sodium oxide: 7.4-8 parts; potassium oxide: 0.5-1 part; diboron trioxide: 7.8-8.8 parts; calcium oxide: 1.0-1.5 parts; cerium oxide: 0.5-1.5 parts; zinc oxide: 0.2-1 part.

7. The alkali-resistant medium borosilicate medicinal glass formulation according to claim 6, wherein said glass formulation comprises: the composite material comprises the following raw materials in parts by mass:

silicon dioxide: 73.3 parts; alumina: 4.6 parts; zirconium dioxide: 1.9 parts; sodium oxide: 7.5 parts; potassium oxide: 0.6 part; diboron trioxide: 7.9 parts; calcium oxide: 1.1 parts; cerium oxide: 0.6 part; zinc oxide: 0.3 part.

8. The alkali-resistant medium borosilicate medicinal glass formulation according to claim 6, wherein said glass formulation comprises: the composite material comprises the following raw materials in parts by mass:

silicon dioxide: 73.9 parts; alumina: 5.9 parts; zirconium dioxide: 2.1 parts; sodium oxide: 7.9 parts; potassium oxide: 1 part; diboron trioxide: 8.7 parts; calcium oxide: 1.5 parts; cerium oxide: 1.4 parts; zinc oxide: 1 part.

9. The alkali-resistant medium borosilicate medical glass formulation according to any one of claims 6 to 9, comprising the following raw materials in parts by mass: iron sesquioxide: 0 to 0.05 portion.

10. The alkali-resistant medium borosilicate medicinal glass formulation according to claim 9, wherein said glass formulation comprises: the particle size range of the raw material is 60-120 meshes, and the particle size range of the zirconium dioxide is more than or equal to 300 meshes.

Technical Field

The invention relates to the field of medicine bottles, in particular to an alkali-resistant borosilicate medical glass formula and a preparation method thereof.

Background

When being used for storage, placing and splendid attire alkaline medicine at present, especially sodium bicarbonate medicine adopts the glass pipe to place mostly, and the glass pipe when placing, and the specific support that needs to use, inconvenient medicine is taken, and bearing capacity is lower. The problems can be well solved by adopting the medium borosilicate glass to manufacture the glass bottle, but the production difficulty of manufacturing the glass bottle is far more than that of forming a glass tube, because the medium borosilicate glass belongs to glass which is difficult to melt, clarify and form, the lower the forming temperature is, the greater the corresponding production difficulty is, and the glass bottle manufactured by the medium borosilicate glass is difficult to widely use.

Disclosure of Invention

The invention aims to provide an alkali-resistant medium borosilicate medicinal glass formula and a preparation method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

according to one aspect of the invention, a method for preparing alkali-resistant borosilicate medical glass is provided, which comprises the following steps:

firstly, taking raw materials in parts by mass according to a ratio for later use;

secondly, fully mixing the raw materials, adding the mixture into a melting furnace, completely melting the mixture, and fully mixing the mixture again;

then, adopting a blow-compression molding process, and when the temperature of the molten material reaches 1100-1120 ℃, sending the molten material into a corresponding mold to complete mold pressing;

then, the product in the mold is cooled down, and the product is taken out after cooling down is completed;

and finally, inspecting and packaging, warehousing qualified products and recycling unqualified products.

Further, the smelting furnace adopts a full-cold-top electric smelting furnace, and the electric smelting load of the smelting furnace is 1.2-1.3 degrees/Kg of glass.

Furthermore, the molten material is delivered to the corresponding die through a feeding cavity channel, the feeding cavity channel is heated through a heating part and used for heating the flowing molten material, and a stirring mechanism is arranged inside the feeding cavity channel.

Further, the heating part comprises a molybdenum electrode and a silicon carbide rod.

Further, before the raw materials are mixed, the water content of each raw material is measured, a mixer is adopted for mixing, the mixing time is more than or equal to 240 seconds, the uniformity of the mixed raw materials is more than or equal to 95 percent, and the water content of the mixed raw materials is less than or equal to 3 percent.

According to another aspect of the invention, the alkali-resistant medium borosilicate medicinal glass formula comprises the following raw materials in parts by mass:

silicon dioxide: 73.2-74 parts; alumina: 4.5-6 parts; zirconium dioxide: 1.8-2.1 parts; sodium oxide: 7.4-8 parts; potassium oxide: 0.5-1 part; diboron trioxide: 7.8-8.8 parts; calcium oxide: 1.0-1.5 parts; cerium oxide: 0.5-1.5 parts; zinc oxide: 0.2-1 part.

Optionally, the alkali-resistant medium borosilicate medicinal glass formula comprises the following raw materials in parts by mass:

silicon dioxide: 73.3 parts; alumina: 4.6 parts; zirconium dioxide: 1.9 parts; sodium oxide: 7.5 parts; potassium oxide: 0.6 part; diboron trioxide: 7.9 parts; calcium oxide: 1.1 parts; cerium oxide: 0.6 part; zinc oxide: 0.3 part.

Optionally, the alkali-resistant medium borosilicate medicinal glass formula comprises the following raw materials in parts by mass:

silicon dioxide: 73.9 parts; alumina: 5.9 parts; zirconium dioxide: 2.1 parts; sodium oxide: 7.9 parts; potassium oxide: 1 part; diboron trioxide: 8.7 parts; calcium oxide: 1.5 parts; cerium oxide: 1.4 parts; zinc oxide: 1 part.

Further, the alkali-resistant medium borosilicate medicinal glass formula also comprises the following raw materials in parts by mass: iron sesquioxide: 0 to 0.05 portion.

Furthermore, the particle size range of the raw materials is 60-120 meshes, and the particle size range of the zirconium dioxide is more than or equal to 300 meshes.

The raw material components adopted by the invention are explained as follows:

silicon dioxide is the main component for manufacturing the glass bottle body;

alumina, control alumina (Al)₂O₃) The introduced amount can effectively reduce the content of aluminum ions in the glass, because when the glass bottle is used for containing medicines, if the content of the aluminum ions in the glass is too high, the phenomenon that the aluminum ions migrate into the liquid medicine is generated, and if the migration amount of the aluminum ions is too much, the occurrence of osteomalacia can be caused, so the introduced amount of the aluminum oxide is strictly controlled to reduce the influence on the human body;

zirconium dioxide is introduced, the main effect of zirconium dioxide is to improve the alkali resistance of a glass body, the introduction amount of zirconium dioxide must be strictly controlled, the introduction amount is less than the first-grade alkali resistance requirement, the glass crystallization phenomenon is easy to occur in the process of glass melting when the introduction amount is more, and the rear-end glass forming is not facilitated, so that the introduction amount of zirconium dioxide is very critical in the formula, and the value of the introduction amount of zirconium oxide is finally obtained through repeated test experiments;

the sodium oxide mainly plays a role in fluxing and simultaneously enhances the activity of the glass, but the sodium content needs to be properly controlled so as to ensure the stability of chemical components in the glass production process;

the potassium oxide is properly introduced to adjust the strength of the product, so that the product has better pressure bearing performance and the finished product rate is improved during compression molding;

boron trioxide, which contributes to the formation of a glass network structure, can reduce viscosity without any adverse effect on thermal expansion and chemical durability, and simultaneously enhances the gloss, heat resistance and chemical stability of the glass bottle;

the calcium oxide plays a role in fluxing on one hand and adjusts the glass liquid property on the other hand;

cerium oxide, used as an additive to effect discoloration and coloring of the glass;

zinc oxide, which acts as a co-solvent, increases transparency, brightness, and resistance to tensile deformation, and reduces the coefficient of thermal expansion.

Compared with the prior art, the invention has the beneficial effects that:

the invention can reduce the difficulty of producing the glass bottle for containing the sodium bicarbonate medicine, solves the technical problems of infusibility, difficult clarification and difficult forming in the glass bottle manufacturing process, greatly improves the forming rate of glass bottle production, and enables the glass bottle made of the medium borosilicate glass to be widely used.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

According to one aspect of the invention, a method for preparing alkali-resistant borosilicate medical glass is provided, which comprises the following steps:

s101, firstly, taking raw materials in parts by mass according to the proportion for later use;

step S103, secondly, fully mixing the raw materials, adding the fully mixed raw materials into a melting furnace, completely melting the fully mixed raw materials, and fully mixing the fully mixed raw materials again;

step S105, then, adopting a blow-press molding process, and when the temperature of the molten material reaches 1100-1120 ℃, sending the molten material to a corresponding mold to complete mold pressing;

s107, cooling the product in the mold, and taking out the product after cooling is completed;

and step S109, finally, inspecting and packaging, warehousing qualified products and recycling unqualified products.

The melting furnace adopts a full-cold-top electric melting furnace, and the electric melting load of the melting furnace is 1.2-1.3 degrees/Kg of glass, so that the raw materials are completely melted and reach a molten state so as to flow conveniently.

The mould that corresponds is delivered to through the feed chamber way to the fused material, the feed chamber way is through the heating of heater block for the fused material to flowing through heats, the inside rabbling mechanism that is equipped with of feed chamber way guarantees that the fused material is at the flow in-process, is unlikely to the temperature drop, thereby guarantees that the material can not produce quality defects inside the mould cavity.

The heating part comprises a molybdenum electrode and a silicon-carbon rod, and the molybdenum electrode or the silicon-carbon rod is used for heating the feeding cavity channel to keep the feeding cavity channel at a constant temperature.

Before the raw materials are mixed, the water content of each raw material is measured, a mixer is used for mixing, the mixing time is more than or equal to 240 seconds, the uniformity of the mixed raw materials is more than or equal to 95 percent, and the water content of the mixed raw materials is less than or equal to 3 percent, so that the mixed materials meet the use requirements.

By the method, the difficulty in producing the glass bottle for containing the sodium bicarbonate medicine can be reduced, the technical problems of infusibility, difficulty in clarification and difficulty in forming in the glass bottle manufacturing process are solved, the forming rate of glass bottle production is greatly improved, and the glass bottle made of the medium borosilicate glass can be widely used.

According to another aspect of the invention, the alkali-resistant medium borosilicate medicinal glass formula comprises the following raw materials in parts by mass:

silicon dioxide: 73.2-74 parts; alumina: 4.5-6 parts; zirconium dioxide: 1.8-2.1 parts; sodium oxide: 7.4-8 parts; potassium oxide: 0.5-1 part; diboron trioxide: 7.8-8.8 parts; calcium oxide: 1.0-1.5 parts; cerium oxide: 0.5-1.5 parts; zinc oxide: 0.2-1 part.

In another embodiment, the alkali-resistant medium borosilicate medicinal glass formula also comprises the following raw materials in parts by mass:

silicon dioxide: 73.3 parts; alumina: 4.6 parts; zirconium dioxide: 1.9 parts; sodium oxide: 7.5 parts; potassium oxide: 0.6 part; diboron trioxide: 7.9 parts; calcium oxide: 1.1 parts; cerium oxide: 0.6 part; zinc oxide: 0.3 part.

In another embodiment, the alkali-resistant medium borosilicate medicinal glass formula also comprises the following raw materials in parts by mass:

silicon dioxide: 73.9 parts; alumina: 5.9 parts; zirconium dioxide: 2.1 parts; sodium oxide: 7.9 parts; potassium oxide: 1 part; diboron trioxide: 8.7 parts; calcium oxide: 1.5 parts; cerium oxide: 1.4 parts; zinc oxide: 1 part.

In addition, the alkali-resistant medium borosilicate medicinal glass formula also comprises the following raw materials in parts by mass: iron sesquioxide: 0 to 0.05 portion, and is used for color adjustment in glass products to meet the use requirements of glass.

The particle size range of the raw materials is 60-120 meshes, the particle size range of the zirconium dioxide is more than or equal to 300 meshes, and the larger mesh number is beneficial to rapid and full melting.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which includes the appended claims and their equivalents.