WO2023171098A1 - Récipient en verre revêtu et son procédé de production - Google Patents

Récipient en verre revêtu et son procédé de production Download PDF

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Publication number
WO2023171098A1
WO2023171098A1 PCT/JP2022/048498 JP2022048498W WO2023171098A1 WO 2023171098 A1 WO2023171098 A1 WO 2023171098A1 JP 2022048498 W JP2022048498 W JP 2022048498W WO 2023171098 A1 WO2023171098 A1 WO 2023171098A1
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WO
WIPO (PCT)
Prior art keywords
glass container
coating
coated glass
coating agent
label
Prior art date
Application number
PCT/JP2022/048498
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English (en)
Japanese (ja)
Inventor
靖弘 五郡
杜友 山代
Original Assignee
東洋ガラス株式会社
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 東洋ガラス株式会社 filed Critical 東洋ガラス株式会社
Publication of WO2023171098A1 publication Critical patent/WO2023171098A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • 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
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions

Definitions

  • coating has been performed in which a coating agent is applied to the outer surface of a glass container near the exit of a lehr (so-called cold end).
  • a coating agent is made by adding a surfactant to a solid lubricant such as polyethylene, polyethylene wax, modified polyethylene wax, or carnauba wax to disperse these fine particles in water to form an emulsion.
  • hot end coating is often performed as a pretreatment. This is done by applying a tin compound (mainly tin tetrachloride) or a titanium compound (mainly titanium tetrachloride) to the outer surface of the high-temperature glass container immediately after forming, near the entrance of the lehr, and applying tin oxide to the outer surface of the glass container. Alternatively, a film of titanium oxide or the like is formed. Hot-end coating improves the adhesion of the cold-end coating film to the glass surface. Glass containers such as glass bottles are often coated with both the above-mentioned hot-end coating and cold-end coating and then labeled.
  • a tin compound mainly tin tetrachloride
  • titanium compound mainly titanium tetrachloride
  • Patent Document 1 discloses an aqueous composition characterized by containing an emulsified polyethylene wax having an acid value of 10 to 25 mg-KOH/g and a silane coupling agent having an amino group, and which has a label.
  • An invention related to a coating composition for forming an easily peelable glass surface is disclosed.
  • the mixed liquid may change over time, and the stability of the coating composition is low.
  • Patent Document 2 describes the steps of applying a first coating agent containing a solid lubricant to the outer surface of a glass container, and applying a second coating agent containing an easily peelable substance (such as a silane coupling agent).
  • a coating method is disclosed, which is characterized in that the coating method comprises:
  • An object of the present invention is to provide a glass container coated with a coating that has a label that is difficult to peel off during normal use and does not remain on the glass container when the label is peeled off, and a method for manufacturing the same. is the purpose. Another object is to provide a coating method that can maintain the stability of the cold-end coating agent.
  • the present inventors have discovered that in the cold-end coating process, a first coating agent containing an adhesive substance is applied, and then a second coating agent containing a solid lubricant is applied and then glued.
  • a first coating agent containing an adhesive substance is applied, and then a second coating agent containing a solid lubricant is applied and then glued.
  • the label has a level of adhesion that makes it difficult to peel off during normal use, and when the label is removed after use, it does not remain on the surface of the glass container.
  • the present invention is as follows.
  • the present invention includes the following.
  • Method of manufacturing glass containers [2] The method for producing a coated glass container according to [1], wherein the adhesive substance contains an amino group silane coupling agent.
  • [4] The method for manufacturing a coated glass container according to any one of [1] to [3], wherein the second coating agent contains a surfactant.
  • [5] The method for manufacturing a coated glass container according to any one of [1] to [4], wherein the first coating agent is applied to the glass surface of the glass container body.
  • [6] The coated glass according to any one of [1] to [5], wherein the step of applying the second coating agent is performed after the first coating agent has dried after applying the first coating.
  • Method of manufacturing containers [7] A method for producing a labeled glass container, comprising the step of attaching a glued label to the coated glass container according to any one of [1] to [6].
  • a coated glass container A glass container body, an adhesive layer disposed on the glass container body; A coated glass container comprising a lubricity and scratch resistance imparting layer disposed on the adhesive layer.
  • coated glass containers of the present invention are coated with a specific cold-end coating, so the label has a degree of adhesion that is difficult to peel off during normal use, and when it is peeled off, a portion of the label remains on the surface of the glass container.
  • FIG. 1 is a flowchart showing an example of a method for manufacturing a coated glass container of the present invention.
  • FIG. 2 is an explanatory diagram of cold-end coating using a spray nozzle in the method for manufacturing a coated glass container of the present invention (view from above).
  • FIG. 3 is an explanatory diagram of cold-end coating using a spray nozzle in the method for manufacturing a coated glass container of the present invention (view from the side).
  • FIG. 1 is a cross-sectional view of a labeled glass container that has been coated according to the present invention.
  • FIG. 2 is a cross-sectional view of the surface state of a labeled glass container that has been subjected to a conventional coating treatment.
  • FIG. 2 is a cross-sectional view of the surface state of a labeled glass container that has been subjected to the coating treatment of the present invention. It is a photograph showing the state in which the mixed coating agent was stored for 10 days.
  • the present invention includes a step of applying a first coating agent containing an adhesive substance to a slowly cooled glass container body to form a first coated glass container, and a step of applying a solid lubricant to the first coated glass container. , and forming a second coated glass container by applying a second coating agent that imparts lubricity and scratch resistance.
  • FIG. 1 is a flowchart showing an example of a conventional method for manufacturing a glass container.
  • glass cullet and the like which are glass materials, are melted in a melting furnace A.
  • the temperature of the molten glass is adjusted, and the glass gob obtained from the melting furnace A is molded into a glass container in the bottle making machine B.
  • the formed glass container is transported to an annealing furnace C to remove any remaining strain.
  • the glass container from which the strain has been removed in the slow cooling furnace C is inspected by an inspection machine D, subjected to packaging treatment E, and then shipped F.
  • a label with glue is attached at the place of purchase of the glass container after the glass container is shipped from a manufacturing factory (not shown).
  • hot end coating In order to impart lubricity and scratch resistance to the outer surface of the glass of the glass container and to adjust the adhesive strength of the label, hot end coating (HEC) is applied as necessary before entering the lehr C, and then After leaving the lehr C and before entering the inspection machine D, cold end coating is performed.
  • hot-end coating involves gasifying tin chloride and spraying it onto a hot glass container
  • cold-end coating involves spraying an aqueous solution containing polyethylene wax or the like.
  • the present invention is characterized in that cold end coating is performed in two steps.
  • a step of applying a first coating agent containing an adhesive substance and a step of applying a second coating agent containing a solid lubricant and imparting lubricity and scratch resistance are performed.
  • the step of applying the first coating agent is characterized in that the step of applying the first coating agent is performed before the step of applying the second coating agent.
  • the temperature of the glass container body manufactured by bottle making machine B is 400 to 600°C, and the temperature of the glass container after passing through the slow cooling furnace is 70 to 120°C. .
  • the first coating agent is sprayed laterally and downwardly onto the glass container whose temperature has been lowered and the strain has been released using an upstream spray nozzle to apply the first coating agent to almost the entire outer surface of the glass container (excluding the mouth and bottom). Further, the step of applying the second coating agent is performed using a downstream spray nozzle in the same application area as the first coating.
  • FIGS. 2 and 3 are explanatory diagrams of coating using a spray nozzle (coating in the cold-end coating step) in the method for manufacturing a coated glass container of the present invention.
  • the glass container body 1 from which the strain has been removed is placed on a moving conveyor 5, which is a moving means, and advances from the outlet of the lehr 8 toward the inspection machine (FIG. 2).
  • the upstream spray nozzle 6 and the downstream spray nozzle 7 move between the rows of glass containers in a direction perpendicular to the traveling direction of the glass container body 1 and perform spraying (FIG. 3).
  • the first coating agent is sprayed laterally and downwardly using the upstream spray nozzle 6 to cover almost the entire outer surface of the glass container main body 1 (excluding the mouth and bottom). Apply a first coating agent. After a drying time of 5 seconds to 10 minutes, the second coating agent is sprayed laterally and downward again using the downstream spray nozzle 7, and the second coating agent is applied on top of the first coating, thereby forming the coating of the present invention.
  • the treated glass container is completed.
  • a glass container refers to a container made of glass and used to contain drinks, food, and the like. Specific examples include glass bottles and glass containers for food storage, and the cross-sectional view of the body thereof may have a circular or polygonal shape.
  • the glass container body refers to a glass container that has not been coated or has been hot-end coated and has not been cold-end coated
  • a coated glass container refers to a glass container that has been coated with a cold-end coating according to the present invention. Refers to the glass container before it is attached.
  • a labeled glass container refers to a glass container with a label pasted on it, regardless of whether it is coated or not; however, the labeled glass container produced by the manufacturing method of the present invention is a glass container that has a label pasted on it after being coated. It is a glass container.
  • the first coating agent includes an adhesive substance.
  • adhesive substance as used herein means a substance that has the property of adhering an inorganic material such as glass to a solid lubricant contained in a second coating agent that is subsequently applied.
  • the adhesive substance of the first coating agent is not particularly limited as long as it can bond the inorganic material and the solid lubricant.
  • a specific example of the adhesive substance is a silane coupling agent.
  • a specific example of the silane coupling agent is represented by the general formula YSi(CH 3 ) 3 -nXn, where X is a halogen such as chlorine, OR (alkoxy group), or hydrogen, and Y is an organic compound that can react with organic compounds such as polymers. Residues such as vinyl, methacrylic, epoxy, amino, and mercapto groups.
  • silane coupling agent examples include vinyltrimethoxysilane, vinyltriethoxysilane, 2-(3,4epoxycyclohexyl)ethyltrimethoxysilane, 3-glycidoxypropyltrimethoxysilane, and 3-glycidoxypropylmethyldimethoxysilane.
  • the concentration of the adhesive substance is preferably 0.01 to 1 mass%. If it is less than 0.01 mass%, the adhesive effect will be small, and if it is more than 1 mass%, the adhesive force will be increased more than necessary, the force that attracts the label glue through the second coating will be strong, and the label will not be easily peeled off. It becomes difficult.
  • the first coating agent can contain materials other than the adhesive substance to the extent that the effects of the present invention are not impaired, but it is preferable that it does not contain anything other than water, which is a solvent (excluding impurities, etc.). That is, the first coating agent is preferably an aqueous solution of an adhesive substance.
  • the second coating agent that imparts lubricity and scratch resistance includes a solid lubricant.
  • Glass containers may get scratches or other small scratches due to collisions between pieces of glass or contact with conveyance devices, and containers that are not slippery may be difficult to convey on conveyors or the like. For this reason, coating agents containing solid lubricants have traditionally been applied to glass containers.
  • a second coating agent containing a solid lubricant is applied.
  • the lubricity and scratch resistance imparting layer formed by applying the second coating agent is on the surface, at least a portion of the solid lubricant is exposed on the surface, making it easy to label.
  • releasability refers to the property that paper or synthetic resin coated with an adhesive, such as a pasted label, tack label, or sticker, can be easily peeled off from a glass container.
  • solid lubricants can be used, and examples thereof include polyethylene, polyethylene wax, modified polyethylene wax, carnauba wax, and the like.
  • the solid lubricant may be used as a mixture of two or more of these, or different types of solid lubricants may be applied in a layered manner.
  • a surfactant may be added to the second coating agent in order to disperse fine particles of the solid lubricant in water and form an emulsion state.
  • conventional surfactants such as potassium oleate can be used.
  • other additives such as solid plasticizers may be added, similar to conventional solid lubricant coatings.
  • the concentration of the solid lubricant in the second coating agent is preferably 0.01 to 10 mass%. If the concentration of the solid lubricant is less than 0.01 mass%, the effect of imparting lubricity and scratch resistance to the glass surface will be reduced, and if it exceeds 10 mass%, the viscosity of the coating agent will become too high, making it difficult to apply it to the glass surface. becomes difficult.
  • the solvent for the second coating agent is not particularly limited, but water is preferred.
  • a surfactant When a surfactant is used in the second coating agent, its concentration is preferably 0.01 mass% or more and 1.0 mass% or less based on the total amount of the second coating agent. If the concentration of the surfactant exceeds 1.0 mass%, the water resistance of the coating may be affected. Moreover, when the concentration of the surfactant is less than 0.01 mass%, the dispersibility of polyethylene may be affected.
  • the glass container body may or may not be coated with a hot end coating, but in the present invention, since the first coating agent can impart appropriate adhesion, the hot end coating It is preferable to apply the first coating agent directly to the surface of the glass container body that is not coated with the coating.
  • the coating agents used may be those conventionally used, such as tin compounds such as tin oxide and tin tetrachloride, titanium compounds such as titanium oxide and titanium tetrachloride, zirconium dioxide, etc. Examples include zirconium compounds such as zirconium chloride. Therefore, by applying these, a metal oxide layer containing at least one selected from tin oxide, titanium oxide, and zirconia oxide layer is formed.
  • Hot-end coating is carried out by applying a hot-end coating agent to the outer surface of a hot (400° C. to 600° C.) glass container immediately after molding, after the bottle making process and before the slow cooling process.
  • label glue such as a label, tack label, or sticker
  • a labeled glass container can be produced.
  • Adhesive components of the label glue include vinyl adhesives, acrylic adhesives, casein adhesives, starch pastes, etc.
  • vinyl adhesives Tokiwanol Z22H and the like can be used.
  • Materials for the label include high-quality paper, art paper, glossy paper, and the like.
  • the present invention is a coated glass container, which includes a glass container body, an adhesive layer formed by applying a first coating agent on the outer surface of the glass container body, and an adhesive layer (first coating layer). and a lubricity and scratch resistance imparting layer formed by applying a second coating agent.
  • the present invention is a labeled glass container in which a label is attached to the coated glass container.
  • FIG. 4 is a sectional view of a labeled glass container B in which a label 4 to which label glue 9 is attached is attached to a coated glass container of the present invention.
  • an adhesive layer 3 is disposed on almost the entire outer surface of the glass container body 1 (excluding the bottle mouth and bottom).
  • the adhesive layer 3 contains an adhesive substance.
  • the adhesive substance is derived from an adhesive substance contained in the first coating agent.
  • a lubricity and scratch resistance imparting layer 2 is disposed on the adhesive layer 3.
  • the lubricity and scratch resistance imparting layer 2 contains a solid lubricant.
  • the solid lubricant is the same as that contained in the second coating agent.
  • a label 4 to which label glue 9 is attached is pasted onto the slippery and scratch-resistant layer 2.
  • the label glue 9 is placed on the slipperiness and scratch resistance imparting layer 2, and the label 4 is placed on the label glue 9.
  • a substance derived from the hot end coating may be provided between the adhesive layer 3 and the outer surface of the glass container body 1 if necessary.
  • a hot end coating layer (hot end coating layer) can be provided on the glass surface.
  • the hot end coating layer is preferably a layer containing at least one of a tin compound, a titanium compound, and a zirconia compound, and the thickness of the layer is 2 nm to 50 nm, preferably 5 nm to 20 nm (expressed in units of CTU (Coating Thickness Units)). and 20 CTU to 80 CTU are preferred).
  • FIG. 5 shows a label 4 with label glue 9 attached to a conventional coated glass container (hot-end coated and then coated with a mixed coating agent containing a silane coupling agent and a solid lubricant).
  • FIG. 2 is a cross-sectional view of the surface state of a labeled glass container.
  • a hot end coating layer 10 is formed by hot coating on the surface 1a of the glass container body 1, and then a coating containing a silane coupling agent and a solid lubricant is applied.
  • a silane coupling agent-containing lubricity and scratch resistance imparting layer 22 made of particles 22a of a silane coupling agent-containing solid lubricant is formed.
  • the label may be difficult to remove from the glass container because the hot end coating has the property of attracting organic substances such as label glue.
  • the hot end coating has the property of attracting organic substances such as label glue.
  • a mixed coating agent containing a silane coupling agent and a solid lubricant is used, floating substances are generated due to long-term storage, as seen in the comparative examples described in the specification of this application. I can't.
  • an adhesive layer 3 containing an adhesive substance is formed on the surface 1a of the glass container body 1, and a coating containing solid lubricant particles 2a is applied thereon. By performing this step, the lubricity and scratch resistance imparting layer 2 is formed.
  • the amino-based silane coupling agent used when forming the adhesive layer 3 functions as an adhesive substance in the present invention, and can adhere the solid lubricant particles 2a and the surface 1a of the glass container body 1.
  • the label 4 to which the label glue 9 has been attached is pasted on the lubricity and scratch resistance imparting layer 2 made of solid lubricant.
  • the gap between the lubricity and scratch resistance imparting layer 2 and the label 4 becomes easy to peel off.
  • the lubricity and scratch resistance imparting layer 2 is described as being composed of granular solid lubricant particles, but the lubricity and scratch resistance imparting layer 2 is not granular but has an uneven structure. It may be a coating film without.
  • the thicknesses of the adhesive layer 3 and the lubricity and scratch resistance imparting layer 2 are not particularly limited, and may be the same thickness or different thicknesses.
  • Labeled glass containers manufactured using the coated glass containers of the present invention have labels that are difficult to peel off when used with normal glass containers, and when the labels are removed at the time of disposal, they can be removed cleanly without leaving any residue on the glass. It is possible. Also, the glass container is at a low temperature (for example, 7°C). It is characterized by being easy to peel at both room temperature (15-25°C) and high temperature (40°C).
  • Label removability evaluation material breakage rate
  • the corner of the label of the labeled glass bottle was peeled off with a fingernail, and the label was peeled off by picking it with fingers, and the label material breakage rate was calculated from the point at which the label broke.
  • the wood breakage rate was evaluated as " ⁇ ” if it was less than 5%, " ⁇ ” if it was 5% or more and less than 80%, and "x” if it was 80% or more.
  • the label material breakage rate was measured after the glass bottles were stored in a refrigerator at 7° C. and 35% humidity for one week after the label was pasted. This item is described as "easy peelability" in Table 1.
  • Examples 1 to 3 Apply a first coating agent containing an amino-based silane coupling agent (A0439 manufactured by Tokyo Kasei Co., Ltd.) to the surfaces of 50 ml glass bottles (20 bottles) without hot-end coating (surface temperature approximately 100°C) using an upstream spray device. do.
  • the first coating agent is a mixture of 0.2% by weight of an amino group silane coupling agent and 99.8% by weight of water.
  • a second coating containing a solid lubricant is applied by a downstream spray device.
  • the second coating agent is a mixture of 0.32% polyethylene wax, 0.08% by weight of an anionic surfactant (potassium oleate), and 99.6% by weight of water.
  • Labeled glass bottles were obtained by pasting vaporized paper with a length of 100 mm and a width of 60 mm as a label on the coated glass bottles (10 bottles) obtained by the method described above using glue (Tokiwanol Z22H). (Example 1).
  • both the first coating agent and the second coating agent were stored at room temperature for 10 days, and an experiment was conducted to confirm the condition, but no particular change was observed.
  • Examples 4-6 In FIG. 1, labeled glass bottles were obtained in the same manner as in Examples 1 to 3, except that before entering the lehr C, SnCl 4 was gasified and applied (hot end coating) to form a tin oxide film. Ta.
  • Comparative examples 1-2 Labeled glass bottles were obtained in the same manner as in Examples 4 to 6, except that the first coating containing silane was not performed in the cold end coating.
  • Comparative examples 3-4 Labeled glass bottles were obtained in the same manner as in Examples 1 to 3, except that hot end coating and cold end coating were not performed.
  • Comparative example 5 Labeled glass bottles were obtained in the same manner as in Comparative Examples 3 to 4, except that only hot end coating was performed by the method described in Examples 4 to 6.
  • Comparative examples 6-7 As a cold end coating, an aqueous solution mixture of 0.2% by weight of an amino-based silane coupling agent, 0.32% of polyethylene wax, 0.08% by weight of an anionic surfactant (potassium oleate), and water was used. Labeled glass bottles were obtained in the same manner as in Examples 1 to 3 except for coating. An experiment was also conducted in which the mixture was stored at room temperature for 10 days and the state of the mixture was confirmed. The photograph is shown in Figure 7. As you can see from the photo, floating particles were observed, indicating that it may be difficult to apply the coating solution evenly. In Table 1, those in which floating matter was observed were evaluated as "x" for storage stability.
  • Comparative examples 8-9 As a cold end coating, an aqueous solution mixture of 0.2% by weight of an amino-based silane coupling agent, 0.32% of polyethylene wax, 0.08% by weight of an anionic surfactant (potassium oleate), and water was applied. Labeled glass bottles were obtained in the same manner as in Examples 4-6.
  • the label has enough adhesive strength to be difficult to peel off during normal use, and can be removed cleanly without tearing.
  • the amount of water contained in the glue decreases, and the breaking strength increases, and instead of the glue being destroyed, the label is torn, and paper is more likely to remain in the glass container.
  • the coated glass container of the present invention minimized label tearing even after being stored in a refrigerator or the like, and could be peeled off cleanly regardless of the temperature of the glass container.
  • an aqueous solution mixture of an amino group silane coupling agent, polyethylene wax, anionic surfactant, and water generates suspended matter when stored for a long period of time. If this floating matter adheres to a glass container, it becomes a glass product with foreign matter adhering to it, which is undesirable. Additionally, floating objects may clog the spray nozzle. Furthermore, in a comparative example using a coating agent of this aqueous solution mixture, easy peelability was observed because the mixture was used immediately after preparation, but if suspended matter floated due to long-term storage, the coating formation became unstable. It is presumed that as a result, the effect of easy peelability cannot be obtained.
  • a glass container coated with a coating that has a degree of adhesion that is difficult to peel off during normal use and does not remain easily when removed and a method for manufacturing the same.
  • a highly stable coating agent can be provided.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Surface Treatment Of Glass (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

La présente invention a pour objet de réaliser un récipient en verre revêtu de manière à présenter une adhésivité permettant de résister au détachement pendant une utilisation normale et ne laisser aucun résidu lorsqu'il est détaché, et un procédé de production de celui-ci. L'invention concerne un procédé de production d'un récipient en verre revêtu qui comprend une étape d'application d'un premier agent de revêtement qui contient une substance adhésive sur un corps de récipient en verre recuit et de formation d'un récipient en verre à premier revêtement, et une étape d'application d'un deuxième agent de revêtement qui contient un lubrifiant solide et confère un pouvoir lubrifiant et une résistance aux rayures au premier récipient en verre revêtu et de formation d'un récipient en verre à deuxième revêtement.
PCT/JP2022/048498 2022-03-07 2022-12-28 Récipient en verre revêtu et son procédé de production WO2023171098A1 (fr)

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JP2022034156A JP2023129854A (ja) 2022-03-07 2022-03-07 コーティング処理済ガラス容器およびその製造方法
JP2022-034156 2022-03-07

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Citations (8)

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JPS55100242A (en) * 1978-10-18 1980-07-31 Fr Deyuko Soc Covering of glass or ceramic article
WO1995010487A1 (fr) * 1993-10-12 1995-04-20 Plm Ab Procede de production d'un article au moyen d'un corps en verre recouvert de pellicules de protection en matiere polymere
JPH08500771A (ja) * 1993-06-21 1996-01-30 エルフ アトケム ノース アメリカ インコーポレイテッド 架橋可能なシランにより強化された脆性酸化物支持体
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JP2005177542A (ja) * 2003-12-16 2005-07-07 Toyo Glass Co Ltd ガラス容器のコーティング方法及びガラス容器
JP2009046348A (ja) * 2007-08-20 2009-03-05 Nihon Yamamura Glass Co Ltd 感熱ラベル貼着ガラス製品

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JP2009046348A (ja) * 2007-08-20 2009-03-05 Nihon Yamamura Glass Co Ltd 感熱ラベル貼着ガラス製品

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