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WO2015090598A2 - Vernis de glissement destiné à former un revêtement sur des moules pour verre, procédé d'application dudit revêtement sur des moules pour verre et utilisation dudit vernis de glissement pour l'application d'un revêtement sur des moules pour verre - Google Patents

Vernis de glissement destiné à former un revêtement sur des moules pour verre, procédé d'application dudit revêtement sur des moules pour verre et utilisation dudit vernis de glissement pour l'application d'un revêtement sur des moules pour verre Download PDF

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Publication number
WO2015090598A2
WO2015090598A2 PCT/EP2014/003423 EP2014003423W WO2015090598A2 WO 2015090598 A2 WO2015090598 A2 WO 2015090598A2 EP 2014003423 W EP2014003423 W EP 2014003423W WO 2015090598 A2 WO2015090598 A2 WO 2015090598A2
Authority
WO
WIPO (PCT)
Prior art keywords
glass
coating
associated components
water
molds
Prior art date
Application number
PCT/EP2014/003423
Other languages
German (de)
English (en)
Other versions
WO2015090598A3 (fr
Inventor
Armin PFREINTNER
Reinhold GLOTZ
Martin Schmidt-Amelunxen
Original Assignee
Klüber Lubrication München Se & Co. Kg
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 Klüber Lubrication München Se & Co. Kg filed Critical Klüber Lubrication München Se & Co. Kg
Publication of WO2015090598A2 publication Critical patent/WO2015090598A2/fr
Publication of WO2015090598A3 publication Critical patent/WO2015090598A3/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B40/00—Preventing adhesion between glass and glass or between glass and the means used to shape it, hold it or support it
    • C03B40/02—Preventing adhesion between glass and glass or between glass and the means used to shape it, hold it or support it by lubrication; Use of materials as release or lubricating compositions
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
    • C04B28/26—Silicates of the alkali metals
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M173/00—Lubricating compositions containing more than 10% water
    • C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482—Coating or impregnation materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00939—Uses not provided for elsewhere in C04B2111/00 for the fabrication of moulds or cores
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/04—Elements
    • C10M2201/041—Carbon; Graphite; Carbon black
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/04—Elements
    • C10M2201/041—Carbon; Graphite; Carbon black
    • C10M2201/0413—Carbon; Graphite; Carbon black used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/0603—Metal compounds used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/061—Carbides; Hydrides; Nitrides
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/061—Carbides; Hydrides; Nitrides
    • C10M2201/0613—Carbides; Hydrides; Nitrides used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
    • C10M2201/0623—Oxides; Hydroxides; Carbonates or bicarbonates used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/065—Sulfides; Selenides; Tellurides
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
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    • C10M2201/065—Sulfides; Selenides; Tellurides
    • C10M2201/0653—Sulfides; Selenides; Tellurides used as base material
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    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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    • C10M2201/065—Sulfides; Selenides; Tellurides
    • C10M2201/066—Molybdenum sulfide
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
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    • C10M2201/065—Sulfides; Selenides; Tellurides
    • C10M2201/066—Molybdenum sulfide
    • C10M2201/0663—Molybdenum sulfide used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/085—Phosphorus oxides, acids or salts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/085—Phosphorus oxides, acids or salts
    • C10M2201/0853—Phosphorus oxides, acids or salts used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/102—Silicates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/102—Silicates
    • C10M2201/1023—Silicates used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/102—Silicates
    • C10M2201/103—Clays; Mica; Zeolites
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/102—Silicates
    • C10M2201/103—Clays; Mica; Zeolites
    • C10M2201/1033—Clays; Mica; Zeolites used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
    • C10M2207/2815—Esters of (cyclo)aliphatic monocarboxylic acids used as base material
    • C—CHEMISTRY; METALLURGY
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/283—Esters of polyhydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/283—Esters of polyhydroxy compounds
    • C10M2207/2835—Esters of polyhydroxy compounds used as base material
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    • C10M2207/287—Partial esters
    • C10M2207/289—Partial esters containing free hydroxy groups
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    • C10M2207/287—Partial esters
    • C10M2207/289—Partial esters containing free hydroxy groups
    • C10M2207/2895—Partial esters containing free hydroxy groups used as base material
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/042—Siloxanes with specific structure containing aromatic substituents
    • C—CHEMISTRY; METALLURGY
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    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/042—Siloxanes with specific structure containing aromatic substituents
    • C10M2229/0425—Siloxanes with specific structure containing aromatic substituents used as base material
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/36—Release agents or mold release agents
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    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/015—Dispersions of solid lubricants
    • C10N2050/02—Dispersions of solid lubricants dissolved or suspended in a carrier which subsequently evaporates to leave a lubricant coating

Definitions

  • Coating varnish for the coating of glass molds Method for coating glass molds, and use of the lubricating varnish for coating of glass molds
  • the invention relates to a bonded coating for the coating of glass molds, glass preforms and associated components, a method for coating glass molds, glass preforms and associated components and the use of the bonded coating for coating glass molds, in particular glass preforms, and associated components, such as baffle or neck ring.
  • glass bottles and jars usually takes place via a two-stage process on a glass machine.
  • a drop of molten glass, also called gob is transported via a channel system to a preform into which it falls. This step is called charge (the preform, also gob-loading) and is a critical step in the glassmaking process.
  • the preform also gob-loading
  • the glass preform of the glass gob is formed by, for example, pressing or blowing process, the so-called parisons.
  • the parison is then demolded from the glass preform, transferred to the final shape and blown in this to its finished shape. After forming, the product is transferred to a belt and ends the molding process.
  • the very fast, hot glass gob (about 1000 ° C, about 7 m / s) must fall into the preform in the right way, the temperature of the preform is about 400 to 500 ° C.
  • the drop which usually hits the wall, must not be affected by friction stick to the mold wall. The drop would be deformed and charge folds or splices would be created. This charge error can be seen in the finished product, for example, the vessel has a too thin wall, an orange peel, wrinkles or air bubbles occur.
  • the drop is either pressed or inflated, which in turn means rubbing against the mold, but with a different load in terms of speed and direction as compared to the incidence of the glass drop in the preform. While the glass gob is pressed or blown to the parison, it cools further, resulting in the shrinkage of the droplet and further stress on the surface.
  • the mold In order to prevent the drop from sticking to the mold wall and to ensure that the drop slips exactly into the mold, the mold must be lubricated. This lubrication simultaneously protects the mold surface from oxidation by the aggressive glass gob.
  • the mold surface is lubricated with graphite.
  • the carrier medium for the graphite is usually mineral oil.
  • the order on the mold is done manually and at regular intervals from about 5 to 45 minutes.
  • the frequency of "relubricating" depends, inter alia, on the geometry of the mold, and thus on the generated parison, the size and weight of the glass drop, the type of glass, the material of the mold, etc. It can therefore not be stated a priori how often a mold needs to be lubricated.
  • the mineral oil-graphite mixture also called buffing paste, ensures a good drop charge and easy removal from the mold.
  • the molds can also be coated with a so-called enamelling paint, whereby the mold is protected for the first time of use even without buffing during this operation This lacquer is, however, depending on the shape, glass, etc. after about 30 minutes worn out to 2 hours. At the latest after that, the mold has to be lubricated again in the normal cycle.
  • DE 10 2004 036 343 A1 describes a coating material for a glass mold which comprises two coating compositions, one coating composition containing a high temperature curable silicone resin-based binder and the second coating composition containing a lubricant.
  • the coating compositions are baked at 500 ° C for at least one hour.
  • this described two-layer system consisting of base and top coat, there is a considerable source of error for the coating. If the layers are reversed, on the one hand, the ceramic protection generated in situ can not form on the mold surface and, on the other hand, the required lubricating effect for a good charge of the glass drop will not occur because the lubricating components would be in the lower layer.
  • relatively high layer thicknesses of preferably at least 60 ⁇ m are applied. Since overspray occurs during the coating process and also the edges of the mold are coated therewith, a relatively high layer thickness of coating material is likewise built up on these. In practice, this can result in the two halves of the mold not being able to close completely, resulting in excessive seams on the bottles when pressing or blowing the parison, which can lead to mis-production.
  • Another coating material is known from WO 98/57804.
  • a semipermanent layer based on inorganic binder on chromium oxide / phosphoric acid is described, the coating consisting of two layers to be applied separately (base coat and top coat).
  • base coat and top coat As a solid lubricant also graphite is required.
  • DE 25 47 363 A1 describes release agents and lubricants for protecting and lubricating the surfaces and molds for the manufacture of glass articles at high temperatures.
  • This lubricant or release agent consists of a solid lubricant, a water-soluble binder, a setting agent and a water-soluble phosphate, wherein an alkali metal silicate is used as the water-soluble binder, to which the phosphate is added as a coupling agent.
  • this coating does not meet the requirements for a long service life of at least 48 hours after coating. Furthermore, a necessary for the process, ease of use with the described two-stage heating - Haitemperatur 30 to 60 minutes at 150 to 200 ° C - is not given.
  • the object of the invention is to provide a bonded coating for the coating of glass molds, glass preforms and associated components.
  • Another object is to provide a method for coating glass molds, glass preforms and associated components and the Use of the bonded coating for coating glass molds, glass preforms and associated components, which ensures a long service life of the glass mold, in particular the glass preform without additional lubrication.
  • the object described above is achieved by a water-based lubricating varnish which contains, as component (A), an inorganic binder, waterglass, solid lubricants, fillers, and other additives required depending on the application, as well as water.
  • component (B) comprises a crosslinking agent for the water glass.
  • component (B) contains an ester formed from a monohydric to hexahydric alcohol having an alkyl group of up to 6 carbon atoms and an aliphatic carboxylic acid.
  • the carboxylic acid may be mono- or polyvalent and is selected from the group consisting of formic acid, acetic acid, propionic acid, butanoic acid.
  • alcohols it is possible to use simple alcohols, such as methanol or ethanol, diols, such as glycol, triols, glycerol, and also pentols, such as glucose and hexanols.
  • Gycerintriacetic acid ester is particularly preferably used. Furthermore, alkyl acetates, such as ethyl acetate or butyl acetate, may be used.
  • the bonded coating according to the invention comprises from 99.9 to 85% by weight of component (A) and from 0.1 to 15% by weight of component (B), preferably from 90 to 95% by weight of component (A) and from 10 to 5% by weight. -% component (B).
  • the component (A) comprises 3 to 50 wt .-% of water glass as an inorganic binder, 2 to 20 wt .-% BN (hexagonal), M0S2 or graphite as a solid lubricant, 1 to 15 wt .-% phyllosilicate and / or carbon black as a filler , 0.1 to 5 wt .-% of at least one additive, balance to 100 wt .-% water
  • component (A) contains from 3 to 40% by weight of inorganic binder.
  • component (A) may contain 1 to 15% by weight of a compound selected from the group consisting of B4C, BN (cubic), T1B2, SiC, Si3N4, Alumina (corundum), TiC and carbides and borides with Mohs hardness as hard particles or hard ceramics.
  • the water glass of component (A) used in the bonded coating according to the invention is selected from the group consisting of lithium, sodium or potassium water glass or metasilicates.
  • soda find water glass with a solids content of 35 to 55% and potash water with a solids content of 28 to 40% application.
  • the solid lubricant of component (A) is selected from the group consisting of boron nitride, M0S2, graphite, which may be used singly or in combination.
  • Further solid lubricants are bismuth oxide, metal phosphates such as calcium phosphates and calcium pyrophosphate, and metal sulfides such as tin sulfide or tungsten sulfide, metal oxides, silicates, in particular phyllosilicates such as talc and mica, and mixtures of the abovementioned compounds.
  • the filler is selected from the group consisting of layered silicates such as bentonite, talc or mica, silica and carbon black.
  • the hard particles or the hard ceramic has a Mohs hardness of greater than 9.0 and is preferably selected from B4C, T1B2, SiC, S13N4, BN (cubic), aluminum oxide (corundum); the particle size of the ceramic particles is 10 10 ⁇ m, preferably 5 5 ⁇ m.
  • Aerosil types such as AEROXODE ALU C from Evonic can also be used.
  • Suitable additives are wetting and dispersing agents. These may be anionic surfactants, cationic surfactants, amphoteric surfactants and nonionic surfactants, silicone surfactants, and perfluorosurfactants. Their mode of action and their basic structure are described in common textbooks, eg paint formulation and paint formulation, Bodo Müller / Ulrich Poth, Vincentz Verlag, 2nd edition, 2005. In addition, defoamers, corrosion and oxidation inhibitors, anti-wear agents and leveling agents can also be counted among the additives.
  • the 2-component system according to the invention thus consists of a water-based paint system (component A) and a crosslinking agent or hardener for the water glass (component B).
  • Another inventive lubricating varnish for the coating of glass molds, glass preforms and the associated components is a 1-component system and comprises 3 to 50 wt .-% silicone resin, 2 to 20 wt .-% of solid lubricant, 1 to 15 wt .-% hard particles or hard ceramic and the balance to 100 wt .-% fillers, additives and / or solvents.
  • the silicone resin is selected from the group consisting of methylphenylsilicone resin. Reactive silicone resins having a hydroxyl content of preferably 3.5 to 7.5 are also used. The silicone resins can be present both as a solution and as a solid resin. Furthermore, various silicone resin mixtures can also be used. The solid lubricants, the hard particles or hard ceramics and the fillers and additives are selected from the groups defined above. As the solvent, butylacetate, MIBK, butanol and the like are used, and a solvent should be an aromatic solvent so that the silicone resin can be well dissolved or kept well in solution.
  • the paint of the 1-component system is applied in a layer with a layer thickness of about 20 to 30 pm on the glass mold, glass preform or their components, the paint of the invention thus requires less material and layer thickness than in DE 10 2004 036 343 A1. Thus, there are no problems with too thick seams on the bottles and moreover also can clearly save on coating material.
  • the use of the ceramic particles with a particle size of less than 10 pm can be dispensed with the usual aluminum particles that convert to Al 2 O 3 process-unusual burn-in at process-unusual 500 ° C need.
  • the ceramic layer forming in DE 10 2004 036 343 A1 the bonded coating according to the invention does not have to be leached off.
  • the simple handling adapted to the process shows the procedure described below.
  • the method comprises the following steps:
  • the bonded coating according to the invention is then on the sand or shot peened and oil, grease and dust-free glass mold, glass preform or an associated component (Baffel / Neckring) at a temperature of 20 ° C to 80 ° C means
  • the mold is sprayed at room temperature of 20 ° C with the lubricating varnish.
  • the lubricating varnish can also be applied to the mold with a brush, flooding, airless, by means of an electrostatically assisted spray application or from a spray can.
  • the molds may also be prepared or pretreated, for example phosphated, silanized, flame-sprayed, PVD / CVD-coated or sputtered.
  • FIG. 1 shows schematically the coating process according to the present invention.
  • the coated form or the coated component is then usually brought in an oven to a process temperature of 300 to 350 ° C. This process takes about an hour. This process is possible even at higher or lower temperatures and can also be shortened.
  • the thus preheated molds or components are then installed in the glass machine.
  • the bonded coating can also be baked in the mold before preheating for the subsequent glass production, temperatures of from 120 ° C. to 250 ° C. for at least 10 minutes of object temperature with an aqueous two-component system, 350 ° C. to 450 ° C., are recommended as stoving temperatures for at least 60 minutes object temperature with silicone resin system.
  • the coated glass (pre) mold or coated components may also be left in the oven to preheat for glass production for more than one hour, allowing ready-coated molds to be stocked. The longer baking time at very high temperatures can have an advantageous effect on the service life of the glass mold.
  • the method of the present invention has the advantage that the bonded coating can be applied in a single layer system in a low layer thickness on the glass mold, the glass preform and the associated components and can adapt to the current process. It is possible with the method to apply the coating at mold temperatures of less than 100 ° C, to let the coating to dry at room temperature, preheat the prepared mold to working temperature, eg at 320 ° C object temperature and then install in the glass machine. Another advantage is that the anti-friction varnish can be baked on, but this step is not absolutely necessary. Another advantage is the composition of the lubricating varnish and is free of hazardous SVHC substances (substances of very high concern). With the method according to the invention, the single-layer system reduces coating defects and increases process reliability. The stoving of the coating system is usually done by the preheating process for production and thereby eliminates as separate work step. The paint can also be removed from the mold / components with the usual process sand or shot peening.
  • the further advantages of the bonded coating according to the invention are illustrated by the following examples.
  • the above compositions are used to coat glass molds, glass preforms and associated components to produce the parison or the finished bottle.
  • the coated glass forms and components are used in the press-blow, narrow-neck-press-and-blow and in the blow-and-blow process.
  • Betolin HT is a mixture of acetines (glycerol triacetic acid ester).
  • component lubricant coating according to the invention results in a dry film on the component comprising about:
  • the bonded coatings of the invention are in a layer thickness of 10 to 80 ⁇ , preferably in a layer thickness of 20 to 40 ⁇ on the glass mold, especially the glass preform, and required for the production and shaping of the glass components such as neck ring and baffle applied.
  • the anti-friction coating is applied homogeneously and opaque in order to avoid defects.
  • the Gleitlack Huawei is preferably carried out with a Lackiersprühpistole. When painting, it must be ensured that the anti-friction coating is not applied too thickly and thus runs off the glass mold or the component or edge runaway occurs. A slight warming of the glass mold or the component may prove to be advantageous for the paint application. A slightly preheated mold also speeds up the drying of the paint, but is not absolutely necessary.
  • the thus coated form can be brought to the preheating for the production after evaporation of the solvent, water so if it is dry to the touch, and does not need further burning or certain holding times at a certain temperature.
  • mold and component coating it must be ensured that the surfaces to be coated are clean and free of grease.
  • the surface structure should be slightly roughened by sand or shot peening. Glass molds and components directly from production can be cleaned by sand or shot peening, if necessary they must be degreased / de-oiled.
  • the bonded coating according to the invention for glass (pre) mold coating (also for the required components) is characterized by a surface roughness with an R z of 1 to 50 m, preferably with an R z of 5 to 25 ⁇ .
  • the quality of the produced bottles was constant over the running time, a fluctuation of the quality, as for example with a shift change, could not be observed.
  • the coating should also coat components involved in the shaping process, such as neck ring (for the opening of the bottle, eg screw cap), baffle (for the bottom of the bottle) and also the final shape.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Structural Engineering (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Paints Or Removers (AREA)

Abstract

La présente invention concerne un vernis de glissement à base aqueuse et un vernis de glissement à base de solvant pour former un revêtement sur des moules pour verre, des moules à préforme et des parties structurales associées, un procédé d'application d'un revêtement sur des moules pour verre, des moules à préforme et des parties structurales associées, et l'utilisation dudit vernis de glissement pour l'application d'un revêtement sur des moules pour verre, des moules à préforme et des parties structurales associées. Ledit vernis de glissement contient au moins un liant inorganique ou de la résine de silicone, au moins un lubrifiant solide, au moins une charge ou une céramique dure, des additifs et de l'eau.
PCT/EP2014/003423 2013-12-20 2014-12-18 Vernis de glissement destiné à former un revêtement sur des moules pour verre, procédé d'application dudit revêtement sur des moules pour verre et utilisation dudit vernis de glissement pour l'application d'un revêtement sur des moules pour verre WO2015090598A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102013021948 2013-12-20
DE102013021948.5 2013-12-20
DE102014018875.2A DE102014018875A1 (de) 2013-12-20 2014-12-16 Gleitlack für die Beschichtung von Glasformen, Verfahren zum Beschichten von Glasformen, und Verwendung des Gleitlacks zum Beschichten von Glasformen
DE102014018875.2 2014-12-16

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WO2015090598A3 WO2015090598A3 (fr) 2015-08-13

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CN110128146A (zh) * 2019-05-14 2019-08-16 武汉理工大学 一种具有多功能的碳化硼基复相陶瓷及其反应热压烧结制备方法
CN112048351A (zh) * 2020-09-15 2020-12-08 重庆常升里科技有限公司 抗辐射耐高温润滑材料及其制备方法与应用

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WO1998057804A1 (fr) 1997-06-18 1998-12-23 Certek Ltd. Piece recouverte d'un revetement, revetement et procede de revetement
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WO1998057804A1 (fr) 1997-06-18 1998-12-23 Certek Ltd. Piece recouverte d'un revetement, revetement et procede de revetement
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CN112048351A (zh) * 2020-09-15 2020-12-08 重庆常升里科技有限公司 抗辐射耐高温润滑材料及其制备方法与应用

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