Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
  • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
  • B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
  • B29C41/28—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length by depositing flowable material on an endless belt
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
  • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
  • B29C41/003—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor characterised by the choice of material
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
  • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
  • B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
  • B29C41/32—Making multilayered or multicoloured articles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
  • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
  • B29C41/34—Component parts, details or accessories; Auxiliary operations
  • B29C41/36—Feeding the material on to the mould, core or other substrate
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
  • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
  • B29C41/34—Component parts, details or accessories; Auxiliary operations
  • B29C41/50—Shaping under special conditions, e.g. vacuum
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B15/00—Layered products comprising a layer of metal
  • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
  • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
  • B32B15/095—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyurethanes
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B27/00—Layered products comprising a layer of synthetic resin
  • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
  • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B27/00—Layered products comprising a layer of synthetic resin
  • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G18/00—Polymeric products of isocyanates or isothiocyanates
  • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
  • C08G18/08—Processes
  • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G18/00—Polymeric products of isocyanates or isothiocyanates
  • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
  • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
  • C08G18/30—Low-molecular-weight compounds
  • C08G18/302—Water
  • C08G18/307—Atmospheric humidity
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G18/00—Polymeric products of isocyanates or isothiocyanates
  • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
  • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
  • C08G18/40—High-molecular-weight compounds
  • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G18/00—Polymeric products of isocyanates or isothiocyanates
  • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
  • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
  • C08G18/40—High-molecular-weight compounds
  • C08G18/48—Polyethers
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G18/00—Polymeric products of isocyanates or isothiocyanates
  • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
  • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
  • C08G18/72—Polyisocyanates or polyisothiocyanates
  • C08G18/73—Polyisocyanates or polyisothiocyanates acyclic
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G18/00—Polymeric products of isocyanates or isothiocyanates
  • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
  • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
  • C08G18/72—Polyisocyanates or polyisothiocyanates
  • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
  • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
  • C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
  • C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
  • C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
  • C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
  • C08L75/04—Polyurethanes
• • 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
  • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
  • C09D175/04—Polyurethanes
  • C09D175/06—Polyurethanes from polyesters
• • 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
  • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
  • C09D175/04—Polyurethanes
  • C09D175/08—Polyurethanes from polyethers
• • 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
  • B05D2252/00—Sheets
  • B05D2252/02—Sheets of indefinite length
• • 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
  • B05D3/12—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 by mechanical means
• • 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
  • B05D7/02—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 to macromolecular substances, e.g. rubber
  • B05D7/04—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 to macromolecular substances, e.g. rubber to surfaces of films or sheets
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
  • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
  • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
  • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
  • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
  • B29C2035/0827—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using UV radiation
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
  • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
  • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
  • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
  • B29C35/0866—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation
  • B29C2035/0877—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation using electron radiation, e.g. beta-rays
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
  • B29C2791/00—Shaping characteristics in general
  • B29C2791/003—Making articles of indefinite length
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
  • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
  • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
  • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
  • B29C59/046—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts for layered or coated substantially flat surfaces
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
  • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
  • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
  • B29K2105/25—Solid
  • B29K2105/253—Preform
  • B29K2105/256—Sheets, plates, blanks or films
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B2250/00—Layers arrangement
  • B32B2250/02—2 layers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B2255/00—Coating on the layer surface
  • B32B2255/06—Coating on the layer surface on metal layer
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B2255/00—Coating on the layer surface
  • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B2255/00—Coating on the layer surface
  • B32B2255/12—Coating on the layer surface on paper layer
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B2255/00—Coating on the layer surface
  • B32B2255/26—Polymeric coating
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G2170/00—Compositions for adhesives
  • C08G2170/20—Compositions for hot melt adhesives

Definitions

• the present invention relates to a method for producing a film composite with a reactive hot melt layer based on polyurethane with the aid of a coating system and a film composite obtainable by such a method and its use.
• Plastic films produced on a large scale are mostly produced by casting, calendering or extrusion, in particular by blow molding.
• the materials used can vary. Examples are cellulose acetate, polyvinyl chloride or polyethylene.
• Plastic films can be produced in one or more layers (composite film).
• the machine systems used in production, such as extruders, are designed for high production quantities and are therefore comparatively expensive and complex in construction.
• One object of the present invention is therefore to provide such a method and films produced therefrom.
• the object is achieved by a method for producing a film composite with a reactive hot melt layer based on polyurethane with the aid of a coating system, comprising the steps of a) optionally applying a primer to a carrier material; b) applying the reactive hot melt layer based on polyurethane to the primer or directly to the carrier material; c) applying a layer of lacquer to the reactive hot melt layer based on polyurethane to produce the film composite on the carrier material; d) optionally embossing the film composite on the carrier material; e) Separating the film composite from the carrier material.
• the object is also achieved by a film composite (composite film) obtainable by the method according to the invention.
• the film composite according to the invention is suitable, for example, as a sheathing or lamination material. Accordingly, a further aspect of the present invention is the use of a film composite according to the invention for sheathing or for lamination.
• Thermoplastic films show a certain thermal sensitivity during further processing, depending on their chemical basis and orientation. This can lead to wrinkling and dimensional changes, especially in coating or bonding processes, such as hotcoating, in which the film is stressed by temperature (melt, lamps, drying, etc.) and / or mechanical influences (winding processes, roller squeezing, etc.) .
• a primer is optionally applied to a carrier material.
• a primer layer is created thereon. This layer can be designed in one or more layers. Accordingly, the priming step a) itself can be carried out in one or more stages.
• a further aspect of the present invention is a method according to the invention, the primer being applied by an application roller or slot nozzle of the coating system.
• step e If there is a primer, it can serve as a release agent. This enables a particularly simple separation of the film composite in step e).
• the primer layer is a coloring layer or a layer that achieves opacity. If the priming is carried out in several stages and this results in a multilayered primer layer, it is preferred if at least one layer of the primer is such a color-imparting layer or a layer that creates an opacity. Accordingly, a further aspect of the present invention is that the application of the primer forms at least one color-imparting layer or a layer that achieves opacity.
• the primer is preferably a lacquer, in particular a UV-curing or a water-based lacquer, or both a UV-curing and a water-based lacquer.
• the opacity is usually achieved using titanium dioxide.
• the primer can be optimized in its function as a basis for decorating for various coloring processes, e.g. with regard to the adhesion of pigments and ideal surface tension for wetting with printing inks.
• the primer can also be made transparent. It is also possible for the primer to represent the outer surface when the film composite is used, for example in the case of the sheathing, so that the lacquer layer in step c) faces the surface of the sheathing object. It is therefore also possible for the primer to have an embossed structure. This can be generated, for example, by printing the corresponding negative structure on the surface of the carrier material with the help of digital 3D printing, which is then transferred to the primer by coating it. Furthermore, after step b) and before step c), a decoration can be printed on which adapts to the embossed structure. This adaptation can take place, for example, by data synchronization (“digitally synchronized 3D texture”).
• embossing of this type that matches the decor is referred to as a “synchronous pore” or the term “EIR” (embossed-in-register) is also used.
• EIR embossed-in-register
• true texture is also used in the prior art.
• a reactivatable adhesive layer can be applied before it is applied. Such an adhesive layer can then be applied to the carrier surface.
• the adhesive layer can serve as a release agent in order to enable the film composite to be detached.
• the surface of the carrier material is provided with a reactivatable adhesive layer or that this adhesive layer serves as a primer. This is particularly preferred when a decorative layer is applied before step b).
• the adhesive layer can be applied in one or more stages and thus itself have one or more layers. It is also possible that the adhesive layer itself serves as a primer.
• the adhesive layer can be a dispersion which is reactivated via temperature, such as, for example, a polyurethane dispersion.
• a thermoplastic hot-melt adhesive according to the prior art is preferably used, which is reactivated via temperature in the lamination process. This can be, for example, a hot-melt adhesive based on ethylene-vinyl acetate copolymer (EVA), atactic poly-alpha-olefin (APAO), metallocene-polyolefin (mPO), polyamide or polyester.
• EVA ethylene-vinyl acetate copolymer
• APAO atactic poly-alpha-olefin
• mPO metallocene-polyolefin
• a reactive hot-melt adhesive based on polyurethane or polyolefin can also be used, which is reactivated via temperature in a defined time window or is protected from atmospheric moisture by the carrier material. Further alternatives are encapsulated adhesive systems or two-component systems, which are reactivated via temperature, pressure or the application of another component in the lamination process.
• a decorative layer can be applied before step b) of the method according to the invention. This can be generated, for example, by direct printing or digital printing, preferably by digital printing.
• step b) a reactive hot melt layer based on polyurethane is applied to the primer or directly to the carrier material. This is therefore in direct contact with the primer layer or the surface of the carrier material (carrier).
• one or more further layers are produced by intermediate steps, so that these layer (s) lie between the carrier surface and the reactive hot melt layer.
• a decorative layer can be present, which is for example located between the reactive hot melt layer and the primer.
• the reactive hot melt layer can be applied in one or more layers. Accordingly, the entire reactive hot melt layer can have one or more layers.
• the reactive polyurethane hotmelt is preferably made from isocyanate-reactive polymers and polyisocyanates and optionally additives.
• the reactive polyurethane hotmelt is a solid product at room temperature that is free of emissions and solvents.
• the temperature at which the reactive melt mass is applied is in a range from 60 ° C. to 150 ° C., preferably from 100 ° C. to 140 ° C., the product having a viscosity according to BROOKFIELD at 120 ° C. in the range from 1,000 mPas to 30,000 mPas, preferably 4,000 mPas to 10,000 mPas.
• the density of the reactive melt mass is usually 1.1 g / m 2 .
• the reactive hot melt layer advantageously has a certain residual elasticity even in the hardened state.
• the hardening in addition to physical solidification takes place at least partially - in particular exclusively - by moisture hardening, in particular with the aid of atmospheric humidity. Complete hardening can take several days.
• the reactive hot-melt mass is therefore applied in a hot-liquid state and it is not necessary for complete curing to take place before the lacquer layer is applied.
• Preferred isocyanate-reactive polymers are predominantly linear but also branched polyesters, in particular di- but also trifunctional polyethylene and polypropylene glycols, Polytetrahydrofurans and polyamides and mixtures thereof.
• the corresponding copolymers, in particular block copolymers, can also be used here.
• Polyester polyols which can be liquid, glass-like, amorphous or crystalline and have a number average molecular weight between 400 and 25,000 g / mol, in particular between 1000 and 10,000 g / mol, particularly preferably between 2000 and 6000 g / mol, are particularly preferred.
• Such particularly suitable polyester polyols are available as commercial products, for example, under the name Dynacoll® from Degussa AG.
• Further suitable polyester polyols are polycaprolactone polyesters, polycarbonate polyesters and polyester polyols based on fatty acids.
• isocyanate-reactive polymers are predominantly linear or slightly branched polyalkylene oxides, in particular polyethylene oxides, polypropylene oxides or polytetrahydrofuran (polyoxytetramethylene oxides), with a number average molecular weight between 250 and 12000 g / mol, preferably with a number average molecular weight between 500 and 4000 g / mol.
• the polyisocyanate is preferably a substance or a mixture of substances selected from aromatic, aliphatic or cycloaliphatic polyisocyanates with an isocyanate functionality between 1 and 4, preferably between 1.8 and 2.2, particularly preferably with an isocyanate functionality of 2.
• MDIs Diisocyanatodiphenylmethanes
• Diisocyanatodiphenylmethanes hydrogenated 4,4'-MDI (bis 4-isocyanatocyclohexyl) methane and hydrogenated 2,4'-MDI tetramethylxylylene diisocyanate (TMXDI); Xylylene diisocyanate (XDI); 1,5-diisocyanatonaphthalene (NDI); Diisocyanattoluenes (TDIs), in particular 2,4-diisocyanatotoluene, and TDI urethdiones, in particular dimeric 1-methyl-2,4-phenylene diisocyanate (TDI-U), and TDI ureas; 1-isocyanato-3-isocyanatomethyl-3,5,5-trimethylcyclohexane (IPDI) and its isomers and derivatives, in particular di-, tri- and polymers, and IPDI isocyanurate (IPDI-T); 3,3'-di
• Lightfast, aliphatic polyisocyanates are preferably used.
• Isocyanate-terminated prepolymers with a low content of residual monomers are preferably used as the polyisocyanate, especially when prepolymers based on aliphatic isocyanates are used. Provided they are low in monomers, i.e. their residual monomer content is not greater than 0.5% by weight, preferably less than 0.3% by weight, particularly preferably less than 0.1% by weight. Are particularly suitable
• polyether polyols preferably polypropylene glycols
• polyester polyols with polyisocyanates, in particular diisocyanatodiphenylmethanes, diisocyanatotoluenes, diisocyanathexane, isocyanato-3-isocyanatomethyl-3,5,5-trimethylcyclohexane (IPDI) hexamethylene-l, 6- diisocyanate (HDI) and / or H12MDI and the derivatives of these isocyanates.
• IPDI isocyanato-3-isocyanatomethyl-3,5,5-trimethylcyclohexane
• HDI 6- diisocyanate
• H12MDI / or H12MDI
• Prepolymers based on aliphatic isocyanates such as HDI and IPDI are particularly preferred.
• Such low-monomer, isocyanate-terminated prepolymers are produced by reacting polyether polyols with an excess of polyisocyanates. After the reaction, the monomeric isocyanate still present is optionally removed by means of a thin-film evaporator.
• the reactive polyurethane hotmelt can also be produced in a two-stage process according to patent EP1831277B2.
• the isocyanate-reactive polymers are reacted in a first step with a molar excess of a polyisocyanate with a molecular weight of ⁇ 500 g / mol and then in a second stage the prepolymer of the first stage is reacted in a molar excess with the isocyanate-terminated prepolymers described above.
• the isocyanate-reactive polymer or the mixture of isocyanate-reactive polymers is freed from water at 120 ° C. under reduced pressure in the first process stage for the production of the thermoplastic polyurethane.
• the reaction is then carried out at 80 to 140 ° C., preferably at 100 to 120 ° C., with the polyisocyanate.
• the reaction in process stages 1 and / or 2 is preferably carried out at a temperature in the range from 80 to 140.degree. C., in particular from 100 to 120.degree.
• the reactive polyurethane composition produced in this way is then preferably filled into containers which are impermeable to water vapor.
• the reactive polyurethane hotmelt can also contain abrasion-resistant fillers if increased abrasion resistance is required in the application, as is often the case in the floor area.
• the hot melt mass can have an inorganic filler component, the filler component containing particles of at least one filler which have a Mohs hardness of at least 6, preferably at least 7.
• the particles of the at least one filler preferably have an average particle diameter in the nanoparticle range ( ⁇ 1 ⁇ m) or in the range from 3.5 ⁇ m to 56 ⁇ m.
• the at least one filler can be, for example, a metal oxide, silicon dioxide, metal carbide, silicon carbide, metal nitride, silicon nitride or boron nitride. Suitable materials are corundum, emery, a spinel and / or zirconium oxide.
• the reactive melt mass can also consist of a melt mass that cures both moisture and UV light.
• the reactive polyurethane composition can also contain auxiliaries, in particular fillers, non-reactive polymers, tackifying resins, waxes, plasticizers, additives, light stabilizers, leveling agents, accelerators, adhesion promoters, pigments, catalysts, stabilizers and / or solvents.
• auxiliaries in particular fillers, non-reactive polymers, tackifying resins, waxes, plasticizers, additives, light stabilizers, leveling agents, accelerators, adhesion promoters, pigments, catalysts, stabilizers and / or solvents.
• the non-reactive polymers can preferably be polyolefins, polyacrylates, and polymers based on ethylene and vinyl acetate with vinyl acetate contents of 0 to 80% by weight, preferably 0.1 to 801% by weight, or polyacrylates and mixtures thereof.
• the reactive polyurethane composition produced in this way preferably has a viscosity of 2,000 mPas to 100,000 mPas at 120.degree. C., preferably from 5,000 to 50,000 mPas, at 120.degree.
• a reactive polyolefin-based hot melt can also be used. This hardens through the reaction of silane groups with humidity.
• the reactive hot melt layer is preferably a moisture-curing layer. It is also preferred that this is a reactive polyurethane hot melt mass (PUR-SK), which is preferably obtainable from isocyanate-reactive polymers and polyisocyanates and, if appropriate, additives. In particular, a lightfast PUR-SK as described above is preferred.
• PUR-SK reactive polyurethane hot melt mass
• the reactive hot melt mass can have additives such as fillers, in particular abrasion-resistant fillers, as described above.
• the inorganic filler component preferably has a proportion in the range from 5% by weight to 60% by weight based on the total weight of the reactive hot melt. The proportion is more preferably in the range from 10% by weight to 50% by weight, more preferably in the range from 15% by weight to 30% by weight.
• the reactive hot melt layer preferably has a thickness in the range from 20 ⁇ m to 150 ⁇ m.
• the reactive hot melt layer can be applied by methods known to the person skilled in the art. Suitable means of the coating system for producing a reactive hot melt layer are known.
• the reactive hot melt layer is preferably applied by means of an application roller with or without a smoothing roller or slot nozzle with or without a roller bar of the coating system.
• a layer of lacquer is applied.
• the film composite can be produced on the carrier material.
• the lacquer layer can be applied in one or more stages. Accordingly, a single or multi-layer structure of the lacquer layer is possible.
• the lacquer layer is applied in a single layer.
• the enamel layer and the lacquer layer are each applied in a single layer.
• the lacquer layer preferably has a thickness of 5 ⁇ m to 25 ⁇ m.
• the paint has the flexibility required for rolling stock. He can significantly determine the degree of gloss of the film composite. It can be optimized for physical matting (excimer) - right up to explicit high-gloss properties (flow properties, suitability for inert calendering processes (ICC). At the same time, the ICC technology can be used to emboss the lacquer layer or the entire film composite.
• the lacquer can be adjusted in such a way that it has chemical-physical properties depending on the area of application of the film composite (scratch resistance, external weathering, etc.). Such paints are known in the prior art.
• the lacquer is preferably a lacquer that can be crosslinked by means of electron beams or UV radiation.
• All compounds which preferably contain one or more functional groups polymerizable by electron and / or UV radiation can be used as components that can be polymerized by irradiation.
• Examples of such compounds are styrene, 1-methyl styrene, vinyl acetate, vinyl chloride, conjugated dienes such as butadiene and isoprene, vinyl ethers of C1-C20 alkanols, but also aryl nitrile, vinyl caprolactam, vinylformamide, C1-C4 acrylic acid and methacrylic acid esters such as methyl ( meth) acrylate, ethyl (meth) acrylate, n-propyl (methacrylate) isobornyl acrylate (IBOA) and the like.
• styrene 1-methyl styrene
• vinyl acetate vinyl chloride
• conjugated dienes such as butadiene and isoprene
• vinyl ethers of C1-C20 alkanols but also aryl nitrile
• vinyl caprolactam vinylformamide
• C1-C4 acrylic acid and methacrylic acid esters such as methyl ( me
• TTPA trimethylol triacrylate
• BDDA butanediol diacrylate
• HDDA hexanediol diacrylate
• TPGDA tripropyleneglycol diacrylate
• TPGDA dipropyleneglycoldiacrylate
• TPGDA dipropyleneglycoldiacrylate
• Oligomers can also be used. Oligomers are understood as meaning, for example, aliphatic and aromatic epoxy acrylates, aliphatic and aromatic Urethane acrylates, polyester acrylates, polyether acrylates and amine-functionalized polyether acrylates and unsaturated polyester resins.
• oligomers are known in the prior art and, for example, by the company. Rahn under the brand names Genomer ® from. Allnex under the trade name Ebecryl ®, Fa. Miwon under the brand name Miramer ® from. Sartomer under the CN series or Fa. BASF under the trade name Laromer 1 ® available.
• substances and mixtures of substances can be used which, when irradiated with light with a wavelength of about 240 to about 480 nm, are capable of initiating radical polymerization of olefinically unsaturated double bonds.
• Suitable photoinitiators are described in “Advances in Polymer Science, Volume 14, Springer Berlin 1974, for example.
• Particularly suitable photoinitiators are those from the class of the benzoins, the phenylhydroxyalkonones, the alpha-hydroxyketones, the alpha-aminoketones, the phenylglyoxylates, the monoacylphosphines (MAPO) and the bisacylphosphines (BAPO).
• photoinitiators are Speedcore 73, Ominirad 819, Speedcure MBF and Ominirad TPO.
• Particularly suitable polymerizable photoinitiators such as those offered under the trade name Genopol ®, for example from the company. Rahn.
• the lacquer can be transparent or pigmented. If the paint is pigmented, it preferably contains titanium dioxide as filler. However, the lacquer can also contain other fillers such as chalk, talc and fillers to increase scratch and microscratch resistance such as glass spheres or nanoparticles. The lacquer can also contain colored pigments. The lacquer can furthermore also contain customary lacquer additives which are known to the person skilled in the art, such as defoamers, deaerators, wetting agents, dispersing auxiliaries, leveling auxiliaries, antioxidants and UV stabilizers, etc.
• the lacquer preferably has a Brookfield viscosity (20 ° C.) of 200 mPas-20,000 mPas, preferably 500 mPas-10,000 mPas.
• step a a primer (step a) takes place and a lacquer is used for this purpose, this can also have the properties listed above.
• the carrier material can be a metal foil, a CPL (Continuous Pressure Laminate) laminate, melamine paper, release paper, silicone-coated web material or a plastic film or contain at least one or more of these materials. In particular, a plastic film is preferred.
• a plastic film is preferred.
• the carrier material preferably has a thickness of 30 ⁇ m to 400 ⁇ m.
• the carrier material is a conveyor belt of the coating system.
• the carrier material can at the same time be a carrier for printing inks which are introduced into the reactive hot melt layer using the transfer printing process (sublimation).
• the embossing of the film composite on the carrier material can be provided as step d). However, such a step can also be omitted.
• the embossing can be done by an embossing roller of the coating system or by a structuring sheet material that is pressed on.
• step e) the film composite is separated from the carrier material.
• the film composite is preferably separated from the carrier material by peeling it off after crystallization or the reactive melt layer has fully reacted.
• the carrier material can be reused in the process according to the invention, optionally after purification. Accordingly, it is preferred that the carrier material is reused for the one according to the invention.
• the coating system is preferably a roll-to-roll system.
• roll-to-roll system is understood to mean a processing system in which roll goods are fed into the system, in the context of the present invention, the carrier material and, after processing, the desired product, in the context of the present invention, the film composite, also as a roll accrues.
• Both the film composite and the carrier material are preferably produced again as a roll.
• the materials can be precisely wound onto interchangeable tubes using an edge control so that they can be further processed in lamination processes using standard mountings.
• the film composite according to the invention is obtained as a roll which can be obtained by winding. It is also preferred that the carrier is present as a roll before step a) which is unwound in the coating system for processing the carrier.
• the method according to the invention can contain further steps.
• the reactive hot melt layer can be smoothed after step b) and before step c). At least one of the following steps is also possible:
• the resulting composite film can be divided into different widths using a downstream cutting device (e.g. with rotary knives).
• the film composite according to the invention can be used, for example, for sheathing or for lamination.
• the film composite can be provided with an adhesive layer beforehand.
• Suitable adhesives are, for example, hot melt adhesives, which can be thermoplastic or reactive, in particular PUR-SK, Dispersions and hot melt pressure sensitive adhesives.
• An application is possible, for example, using rollers or slot nozzles.
• the film composite produced can serve as a replacement for conventional films.
• One area of application could be floors.
• a replacement of TPU, PET or PVC films would be possible here.
• Outdoor applications are also conceivable, in particular as a replacement for PMMA films, for example as window films, for facades or profiles.
• Other possible uses are terrace coverings and furniture, in particular to create a soft touch and with textures.
• Example 1 Floor film: highly abrasion-resistant, gap-resistant, gluing and embossing via reactivation
• An exemplary film composite according to the invention has the following layer structure:
• Thermally reactivatable adhesive opaque (e.g. EVA SK Kleiberit 743.6)
• Reactive hot melt layer based on polyurethane with corundum e.g. PUR HotCoating Kleiberit 717.6
• Acrylic varnish UV curing scratch-resistant, optionally physically matted (e.g. UV varnish Kleiberit 659.0.04)
• Example 2 Terrace plank film: highly abrasion-resistant, gap-resistant, weather-resistant
• An exemplary film composite according to the invention has the following layer structure:
• Primer opaque, white, UV curing, optimized wetting behavior (e.g. UV varnish Kleiberit 653.1.33)
• Reactive hot melt layer based on polyurethane, containing corundum, with UV absorbers e.g. PUR HotCoating Kleiberit 9383/627
• Acrylic varnish UV curing scratch-resistant, weather-resistant, flexible (e.g. UV varnish Kleiberit 659.2.22)
• a carrier film 2 is fed as carrier material from a roller unit 3 to a primer unit 4 in which the carrier film 2 is primed and optionally provided with reactivatable adhesive on the surface of the carrier film.
• the carrier film 2 then passes through a printing unit 5, which enables the primed carrier film surface to be printed.
• the carrier film surface is then coated with a reactive hot melt mass based on polyurethane in a subsequent coating unit 6.
• a UV lacquer layer is then applied in a lacquering unit 7.
• the curing unit 8 in the form of a UV lamp cures the UV lacquer. Embossing then takes place in an embossing unit 9, followed by the separation and winding of the carrier film 2 and the film composite 10 according to the invention.

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• 2020
  • 2020-06-16 DE DE102020115796.7A patent/DE102020115796A1/de active Pending
• 2021
  • 2021-06-16 WO PCT/EP2021/066212 patent/WO2021255080A1/de not_active Ceased
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