Classifications

• • 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
  • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
  • B32B7/04—Interconnection of layers
  • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
• • 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
  • B32B27/08—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 synthetic resin
• • 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
  • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary 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
  • B32B27/00—Layered products comprising a layer of synthetic resin
  • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
  • B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
• • 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
  • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
  • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
• • 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
  • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
• • 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
  • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
• • 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
  • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
  • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
• • 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
• • 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
  • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
  • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
• • 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
  • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
  • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
  • B32B5/022—Non-woven fabric
• • 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
  • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
  • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
  • B32B5/024—Woven fabric
• • 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
  • C08G18/703—Isocyanates or isothiocyanates transformed in a latent form by physical means
  • C08G18/705—Dispersions of isocyanates or isothiocyanates in a liquid medium
  • C08G18/706—Dispersions of isocyanates or isothiocyanates in a liquid medium the liquid medium being water
• • 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
  • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
  • C08G18/78—Nitrogen
  • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
  • C08G18/791—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups
  • C08G18/792—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups formed by oligomerisation of aliphatic and/or cycloaliphatic isocyanates or isothiocyanates
• • 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
  • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
  • C08G18/78—Nitrogen
  • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
  • C08G18/798—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing urethdione groups
• • 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
  • B32B38/00—Ancillary operations in connection with laminating processes
  • B32B38/16—Drying; Softening; Cleaning
  • B32B38/164—Drying
  • B32B2038/166—Removing moisture
• • 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
  • B32B2255/02—Coating on the layer surface on fibrous or filamentary 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
  • B32B2255/26—Polymeric coating
• • 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
  • B32B2305/00—Condition, form or state of the layers or laminate
  • B32B2305/34—Inserts
  • B32B2305/342—Chips
• • 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
  • B32B2307/00—Properties of the layers or laminate
  • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
• • 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
  • B32B2425/00—Cards, e.g. identity cards, credit cards
• • 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
  • B32B2457/00—Electrical equipment
• • 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
  • C08G2150/00—Compositions for coatings
  • C08G2150/20—Compositions for powder coatings
• • 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
  • C08G2170/80—Compositions for aqueous adhesives
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/31504—Composite [nonstructural laminate]
  • Y10T428/31507—Of polycarbonate
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/31504—Composite [nonstructural laminate]
  • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/31504—Composite [nonstructural laminate]
  • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
  • Y10T428/31554—Next to second layer of polyamidoester
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/31504—Composite [nonstructural laminate]
  • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
  • Y10T428/31565—Next to polyester [polyethylene terephthalate, etc.]
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/31504—Composite [nonstructural laminate]
  • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
  • Y10T428/31573—Next to addition polymer of ethylenically unsaturated monomer
  • Y10T428/31583—Nitrile monomer type [polyacrylonitrile, etc.]
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/31504—Composite [nonstructural laminate]
  • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
  • Y10T428/31573—Next to addition polymer of ethylenically unsaturated monomer
  • Y10T428/31587—Hydrocarbon polymer [polyethylene, polybutadiene, etc.]

Definitions

• the present invention relates to an identification document comprising layer A), B) and C), wherein A) is a thermoplastic, B) is a layer made of a storage-stable, latent-reactive adhesive, and C) is a thermoplastic.
• PC polycarbonate
• Latent reactive adhesives are known per se, for example from EP-A-0 922 720. Basically latent reactive adhesives have two solid phases, e.g. as a mixture of two substances as two
• a use of the aqueous dispersions of surface-deactivated solid, finely divided polyisocyanates as crosslinkers in textile pigment printing pastes and dyeing liquors is set out in DE 35 29 530. Following the application process, the textile pigment printing pastes and
• a substrate having latent reactive adhesive bearing a storage-stable latent-reactive layer or powder would allow the application to be applied to the location where the corresponding equipment is present for a predeterminable period of time and then transported to the location to be processed to other intermediates or to the final product.
• WO 93/25599 Storage-stable, latent-reactive masses or layers are described in WO 93/25599. These consist of isocyanate-reactive polymers which have a melting point above 40 ° C. and surface-deactivated polyisocyanates. To prepare the mixture, the components are melted to temperatures substantially above the softening point of the polymer. The equipment required for the production and application of these materials are in addition to the energy costs considerably. In addition, only surface-deactivated polyisocyanates can be used in this systems for stability and processing reasons, which have a crosslinking temperature of about 8O 0 C. Furthermore, a targeted and controlled inhomogenous ne mixing of the components Subject of the application. However, this requires complex steps.
• the invention is therefore based on the object to provide new identification documents with improved security behavior and method for their preparation.
• the Delaminations should be improved.
• an identification document comprising layer A), B) and C), wherein A) is a thermoplastic, B) is a layer made of a storage-stable, latent-reactive adhesive, and C) is a thermoplastic.
• Identification document in the context of the present invention means a multi-layered sheet-like document with security features such as chips, photographs, biometric data, etc. These security features can be visible from the outside or at least interrogatable. Normally, the identification document has a size between that of a bank card or a passport.
• the identification document may also be part of a document of several parts, such as e.g. a plastic identification document in a passport that also contains paper or cardboard parts.
• the present invention relates to such an identification document, characterized in that the adhesive comprises an aqueous dispersion containing a di- or polyisocyanate having a melting or softening temperature of> 30 0 C and a isocyanate-reactive polymer ,
• the present invention relates to such an identification document, characterized in that the adhesive contains an aqueous Dipersion with a viscosity of at least 2000 mPas.
• the present invention relates to such an identification document, characterized in that the isocyanate-reactive polymer is polyurethane, which are composed of crystallizing polymer chains which, when measured by means of thermomechanical shear
• TMA Penetration Temperature
• the present invention relates to such an identification document, characterized in that the di- or polyisocyanate is selected from the group consisting of dimerization product, trimerization product and urea derivatives of TDI or EPDI.
• the present invention relates to such an identification document, characterized in that an adhesive bond is produced by applying to the substrate to be bonded a dispersion according to claim 1 and then dried, and the dried adhesive application by short-term, preferably less than 5 Heating for a few minutes to T> 65 ° C, preferably to a temperature of 80 0 C ⁇ T ⁇
• thermoplastic means a polymer-chain thermoplastic such as e.g. Polycarbonate, polymethyl methacrylate (PMMA), poly- or copolymers with styrene such as by way of example and preferably transparent polystyrene (PS) or polystyrene-acrylonitrile (SAN), transparent thermoplastic polyurethanes, and polyolefins, such as by way of example and preferably transparent polypropylene types or polyolefins based on cyclic Olefins (eg TOPAS®, Topas Advanced Polymers), poly- or copolycondensates of terephthalic acid, such as, by way of example and by way of preference, poly- or copolyethylene terephthalate (PET or CoPET) or glycol-modified PET (PETG), polyethylene glycol naphthenate (PEN), transparent polysulfones (PSU).
• PMMA polymethyl methacrylate
• PS polystyrene
• SAN polys
• the present invention relates to such an identification document, characterized in that the Themoplast in layer A) and layer C) is independently selected from the group consisting of polycarbonate, poly- or copolycondensates of terephthalic acid, as exemplified and preferably Poly or copolyethylene terephthalate (PET or CoPET) or glycol modified PET (PETG).
• Themoplast in layer A) and layer C) is independently selected from the group consisting of polycarbonate, poly- or copolycondensates of terephthalic acid, as exemplified and preferably Poly or copolyethylene terephthalate (PET or CoPET) or glycol modified PET (PETG).
• Laminates for, in particular, high-security ID card applications having at least one storage-stable, latent-reactive layer can accordingly be prepared by the use of a substantially aqueous dispersion containing at least one surface-deactivated polyisocyanate and at least one dispersed or dissolved isocyanate-reactive polymer.
• this mixture is optionally applied to a substrate in a predeterminable layer thickness and d.) the water of the mixture is removed below the reaction temperature of the isocyanate,
• the surface-deactivated solid, finely divided polyisocyanates after drying are unaltered and unreacted distributed and embedded in the substantially anhydrous polymer or in the substantially anhydrous layer or powder.
• the dispersion, suspension or solution of polymer and suspended deactivated isocyanate passes into a continuous phase of uncrosslinked polymer in which the unreacted surface-deactivated, finely divided isocyanates are suspended.
• a molten system results after the evaporation of the water, a molten system.
• An example is the bonding of a laminate of films. Also in this phase, the surface-deactivated isocyanates are unchanged and retain their reactivity. The bonding is initially based on the thermoplastic properties of the polymer.
• reaction temperature in order to trigger the crosslinking reaction.
• the reaction or thickening of the deactivated Polyi- socyanate should this have temperatures in the range of 3O 0 C to 180 0 C, preferably in the
• Thickening or reaction temperature refers to the temperature at which the surface-deactivating layer of the isocyanate dissolves in the polymer or is otherwise destroyed. The polyisocyanate is released and dissolved in the polymer. The final curing takes place by diffusion and reaction of the polyisocyanate with the functional groups of the polymer with increase in viscosity and crosslinking. Depending on the nature of the surface-deactivated polyisocyanate, the thickening and reaction temperature is above or below the softening temperature of the polymer.
• the stability of the unreacted system, the reaction temperature and the course of the reaction are determined by the type of polyisocyanate, by the nature and amount of the surface stabilizer, by the solubility parameter of the functional polymer and by catalysts, plasticizers and other auxiliaries. These are largely described in the protective rights mentioned above.
• the application subsequent processing steps of the layer or the powder-carrying substrate object of the invention include steps such as e.g. in the processing of the substrate in its final form by punching, cutting, bending, folding,
• the inventive film or powder can be processed in its plastic state. Even after days or months, the layer or powder may be heated to temperatures above the softening temperature of the polymer without reaction between the functional groups of the polymer and the surface-deactivated isocyanate. The processing in the plastic state can even be done with repeated heating and cooling.
• the films or powders are storage-stable, latent-reactive adhesive systems.
• Suitable polyisocyanates for the process according to the invention are all di- or polyisocyanates or mixtures thereof, provided that they have a melting point above 40 ° C. and can be converted by known methods into powder form having particle sizes of less than 200 ⁇ m. They may be aliphatic, cycloaliphatic, heterocyclic or aromatic polyisocyanates.
• Examples include: diphenylmethane-4,4'-diisocyanate (MDI), naphthalene-1,5-diisocyanate (NDI), 3,3'-dimethylbiphenyl-4,4'-diisocyanate (TODI), dimeric 1-methyl-2,4-phenylene diisocyanate (TDI-U), 3,3'-diisocyanato-4, 4'-dimethyl-N, N'-diphenylurea (TDIH), addition product of 2 moles of 1-methyl-2,4-phenylene diisocyanate with 1 mole of 1,2-ethanediol, 1, 4-butanediol, 1, 4-cyclohexane -di-methanol, or ethanolamine, the isocyanurate of IPDI (IPDI-T).
• MDI diphenylmethane-4,4'-diisocyanate
• NDI naphthalene-1,5-di
• Addition products of 1-methyl-2,4-phenylene diisocyanate and 1,4-butanediol or 1,2-ethanediol also had very advantageous properties in solid and liquid solvent-containing or solvent-free systems. These are particularly evident in terms of their low curing or crosslinking temperature, which is below 90 ° C. in the temperature range.
• this mixture is very advantageous for coatings and adhesions of temperature-sensitive substrates.
• the surface stabilization reaction can be carried out in various ways:
• the concentration of the deactivating agent should be 0.1 to 25, preferably 0.5 to 8 equivalent percent, based on the total isocyanate groups present.
• the particle size of the pulverulent polyisocyanates must be brought to a particle size in the range from 0.5 to 20 ⁇ m by fine dispersion or wet grinding following the synthesis.
• dissolvers, dispersants yaw devices of rotor-stator type agitator ball mills, bead mills and sand mills, ball mills and Reibspaltmühlen, depending on the polyisocyanate and the use takes place at temperatures below 40 0 C. grinding the deactivated polyisocyanate in the presence of the deactivating agent, in non-reactive dispersant or water with subsequent deactivation.
• the ground and surface-stabilized polyisocyanate can also be separated from the millbase dispersions and dried.
• catalysts can also be added. Preference is given to those catalysts which are hydrolysis-stable in aqueous solution or dispersion and later also accelerate the heat-activated reaction.
• urethane catalysts are organic tin, iron, lead, cobalt, Bismuth, antimony, zinc compounds or their mixtures. Alkyl mercaptide compounds of the
• Dibutyltin is preferred because of its higher hydrolytic stability.
• Tertiary amines such as dimethylbenzylamine, diazabicyclo-undecene, as well as tertiary amine non-volatile polyurethane foam catalysts may be used for specific purposes or in combination with metal catalysts, but the Catalan activity may be adversely affected by reaction with the carbon dioxide of the air.
• the concentration of the catalysts is in the range of 0.001 to 3%, preferably 0.01% -l% based on the reactive system.
• the aqueous dispersions for the preparations according to the invention preferably contain, as isocyanate-reactive dispersion polymer, polyurethane or polyurea dispersions with crystalline polyester soft segments.
• the acrylate dispersion polymers can also be listed, but the focus is on the
• Polyurethane or polyurea dispersion polymers with crystalline polyester soft segments are examples of polyurethane or polyurea dispersion polymers with crystalline polyester soft segments.
• Suitable reaction partners of the polyisocyanates according to the invention are water-soluble or water-dispersible emulsion or dispersion polymers which carry isocyanate-reactive functional groups. These are prepared according to the prior art by polymerization of olefinically unsaturated monomers in solution, emulsion or suspension.
• the film-forming polymers contain from 0.2 to 15%, preferably from 1 to 8% of copolymerized monomers having isocyanate-reactive groups, such as hydroxyl, amino, carboxyl, carbonamide groups.
• Examples of such functional monomers are: allyl alcohol, hydroxyethyl or hydroxypropyl acrylate and methacrylate, butanediol monoacrylate, ethoxylated or propoxylated acrylates or methacrylates, N-methylol acrylamide, tert. Butylamino-ethyl methacrylate, acrylic and methacrylic acid, maleic acid, maleic monoester. Glycidyl methacrylate and allyl glycidyl ether can also be copolymerized.
• epoxy groups which is derivatized in a further step with amines or amino alcohols to the secondary amine, for example with ethylamine, ethylhexylamine, isononylamine, aniline, toluidine, xylidine, benzylamine, ethanolamine, 3-amino-1-propanol, 1 - Amino-2-propanol, 5-amino-1-pentanol, 6-amino-1-hexanol, 2- (2-
• water-soluble hydroxy-functional binders such as polyvinyl alcohol, partially saponified polyvinyl acetate, hydroxyethyl cellulose, hydroxypropyl cellulose, water-dispersible hydroxy-functional polyesters, hydroxy-functional sulfopolyesters, and polyurethane dispersions, dispersions of polyamidoamines which carry carboxyl, hydroxyl primary or secondary amino groups.
• aqueous colloidal dispersions or colloidal solutions having particle sizes between 1 and 100 nm can be prepared in colloid mills, starting from thermoplastic polymers having isocyanate-reactive groups. Examples are relatively high molecular weight solid epoxy resins, polyethylene-vinyl alcohol and poly-ethylene-co-acrylic acid.
• the resulting high-viscosity paste or low-viscosity mixture further inert or functional additives can be mixed or dispersed.
• the functional additives include hydroxy- or amino-functional powdered or liquid low to high molecular weight compounds which can react with the solid polyisocyanates above the reaction temperature. The stoichiometric ratios should be adjusted accordingly.
• Low molecular weight compounds are understood as meaning compounds having molecular weights of between 40 and 500 g / mol, and high molecular weight compounds of those whose molecular weights are between 500 and 10,000 g / mol.
• low molecular weight to high molecular weight liquid polyols and / or polyamines solid polyfunctional polyols and / or aromatic polyamines.
• examples are triethanolamine, butanediol, trimethylolpropane, ethoxylated bisphenol A, terminally ethoxylated polypropylene glycols, 3,5-diethyl-tolylene-2,4- and 2-6-diamine, poly-tetramethylene oxide di- (p-aminobenzoate), tris-hydroxyethyl -isocyanurate, hydroquinone bis-hydroxyethyl ether, pentaerythritol, 4,4'-diamino-benzanilide, 4,4'-methylene-bis (2,6-diethylaniline).
• the inert additives include, for example, wetting agents, organic or inorganic thickeners, plasticizers, fillers, plastic powders, pigments, dyes, Lichtstabilisator- ren, aging stabilizers, corrosion inhibitors, flame retardants, blowing agents, adhesive resins, organofunctional silanes, short-cut fibers and optionally small amounts of inert solvents.
• Adhesive films may be applied to wood, glass or other substrates or backing at one location, stored and / or shipped to these prefabricated makes, and cured at a different location to the final product.
• Another advantage of the inventive method and the use of the corresponding products are the use of water as a dispersion medium.
• the energy consumption for the preparation of the dispersions is low.
• the proportion of organic solvents is minimal, resulting in a highly advantageous processing from an environmental point of view.
• a further advantage is that also surface-deactivated polyisocyanates having a melting point in the range 40 to 150 0 C can be incorporated without problems.
• the crosslinking temperatures can in
• the layer or powder obtained from the aqueous suspension, dispersion or solution can be stored for months. However, depending on the solution properties of the solid film for the polyisocyanate, the storage life at room temperature or slightly elevated temperatures is different.
• the storage life of the inventive system in the anhydrous and un-crosslinked state is at least 3 times, usually more than 10 times, the same mixture with the same polyisocyanates which are not surface-deactivated.
• the layers or powders according to the invention are stable in storage for at least six months, but are stable on storage at room temperature for at least 1 month and can be processed in accordance with the invention.
• latent-reactive refers to the state of the substantially anhydrous layer or powder in which the surface-deactivated polyisocyanate and the isocyanate-reactive polymer are in substantially un-crosslinked state.
• the heat input for the thermoplastic processing and the crosslinking can preferably be done with convection or radiant heat.
• the storage-stable aqueous suspension, dispersion or solution of surface-deactivated fine-particle polyisocyanates and dispersed or water-soluble polymers with isocyanate-reactive groups can be applied to the surface of the substrate to be bonded or coated, in particular by brushing, spraying, spraying, knife coating, filling, casting, dipping, Extrude or be applied by rolling or by printing.
• Suitable substrates for the laminates according to the invention are thermoplastics such as polycarbonates or copolycarbonates based on diphenols, poly- or copolyacrylates and poly- or co-polyethacrylates such as, by way of example and by way of preference, polymethylmethacrylate (PMMA), copolymers or copolymers with styrene such as, for example, and preferably transparent Polystyrene (PS) or polystyrene-acrylonitrile (SAN), transparent thermoplastic polyurethanes, and also polyolefins, such as by way of example and preferably transparent polypropylene types or polyolefins based on cyclic olefins (eg TOPAS®, Topas Advanced Polymers), poly- or copolycondensates terephthalic acid, such as, by way of example and by way of preference, poly- or copolyethylene terephthalate (PET or CoPET) or glycol-modified PET (PETG),
• the coated adhesive surface is brought into the thermoplastic state by raising the temperature to above the softening temperature of the polymer, grouted with a second substrate and the temperature is increased to above the thickening or reaction temperature under pressure.
• further processing steps may be performed in the thermoplastic state of the system.
• the dispersion according to the invention is applied to a non-adhesive carrier tape or release paper and the water is volatilized at room temperature or at temperatures up to the softening temperature of the polymer.
• Adhesive film can be released from the carrier after cooling and stored until it is free of carrier. Alternatively, the adhesive film may be stored together with the backing paper.
• the reactive dispersion is applied by spraying, spraying, knife coating, casting, dipping, padding, by rolling or by printing, the water volatilizes at room temperature or at temperatures up to the softening temperature of the polymer, and the adhesive fleece or fabric, provided or impregnated with the latently heat-reactive adhesive layer, stored until use.
• the carrier-free adhesive films, adhesive tapes, Klebevliese or fabric serve as an adhesive layer between substrates. It is also possible to apply adhesive films, nonwovens or fabrics on one side of a substrate surface in the plastic state or to sinter. This laminate can be stored at room temperature until final bonding to a second substrate surface.
• the storage-stable aqueous dispersion of surface-deactivated fine-particle polyisocyanates and dispersed or water-soluble polymers having isocyanate-reactive groups is brought into the form of a latent-reactive powder.
• These powders can be used as latent-reactive adhesives or for coating purposes, such as powder coatings.
• Spray tower to be sprayed The temperature of the air introduced from below should remain below the softening temperature of the polymer and the reaction temperature of the surface-blocked polyisocyanate.
• the dispersions of the invention can be sprayed onto the non-adherent surface of a circulating belt with adhesive surfaces or applied by a printing process. After volatilization of the water, the dry particles are scraped from the belt, optionally sieved and classified, and stored until use.
• Latent reactive powders may also be prepared from carrier-free films or ribbons by milling processes, optionally at low temperatures. They serve as heat-reactive crosslinkable adhesive or as coating powder. Application devices and methods are state of the art
• the latently reactive prefabricated layers produced by the process according to the invention preferably serve as a thermally loadable adhesive bond for flexible or solid substrates, such as e.g. Metals, plastics, glass, wood, wood composites, cardboard, foils, synthetic fabrics, textiles ,.
• the reactive coating powders prepared according to the invention can also be processed with the application methods for powder coatings.
• the crosslinking temperature can be so low that heat-sensitive substrates, such as plastics, textiles and wood, can be coated without thermal damage.
• the method also allows the coating powders to be sintered on the substrate only or to melt into a closed layer. Complete crosslinking then takes place during a subsequent heat treatment, optionally after an additional mechanical or thermal processing step. Examples
• Solubilizer-free hydrophilically modified crosslinker isocyanates based on HDI trimer NCO content approx. 20%, viscosity approx. 1200 mPas at 23 ° C
• Non-ionic, liquid, aliphatic polyurethane-based thickener Viscosity at 23 0 C:> 9,000 mPas; Non-volatile constituents: about 50% by weight
• Aqueous solution of an anionic, acrylate-based thickener viscosity at 20 0 C (f ⁇ eld Brook-, LVT, hydrometer IV, 6 rpm): 25000-60000 mPas;
• Non-volatile constituents about 10% by weight Dispercoll laboratory product KRAU 2756 KI
• the polymer crystallizes partially after drying the dispersion and cooling the film to 23 0 C.
• the film is largely decrystallized at temperatures ⁇ + 65 ° C.
• Test pieces with 200 x 50 x 0.15 mm 3 consisting of two foils were simply press-laminated (laminated) to overlap.
• the foils remain separated from each other over a length of approx. 40 mm so that two tongues are created which can be clamped in the clamping clamps of the tensile testing machine.
• the adhesive surface is approx. 160 x 50 mm 2 .
• the strength of the bond was carried out at 120 0 C.
• the viscosity is increased in the case of the Dispercoll U dispersion by a thickener.
• a reactive dispersion adhesive was prepared with the dissolver with the specified polyisocyanates as follows:
• Example 5 (comparative example, not according to the invention) Aqua Press commercially available aqueous 1-component adhesion promoter from Pröll KG, Weissenburg
• the adhesive compositions of Examples 1 to 5 were with a spiral applicator on Makrofol ® ID 6-2 (double-sided textured polycarbonate film from Bayer MaterialScience AG, especially for ID cards, 6-Page: roughness R 3 Z about 9 microns; 2-He page: R 3 Z about 4 microns), 150 microns with a wet film thickness of 100 microns is applied.
• the films were dried under normal conditions.
• Each of the coated films was laminated after the specified storage A to C against an uncoated Makrofol ® ID 6-2, 150 micron film and tested as described in Section C).
• the lamination was carried out under mechanical pressure of 2 kgf / cm 2 at 90 0 C and 120 0 C (press-fit bonding).
• the mechanical strength of the bond was then tested in the separation test as a function of storage A to C (storage time) and the temperature.
• the adhesive compositions of Examples 7 to 8 were coated with a wire wound rod on Makrofol ® ED 1 - plotted 1 (smooth on both sides polycarbonate film from Bayer MaterialScience AG, especially for identification cards), 250 microns with a wet film thickness of 50 microns.
• the films were dried in a vacuum drying cabinet at 50 0 C.
• Each of the coated films was laminated after the specified storage A and D against an uncoated Makrofol ® ED 1-1, 250 micron film and tested as described in Section C).
• the lamination was carried out under mechanical pressure of 2 kgf / cm 2 at 120 0 C and 135 ° C (press-bonding).
• the laminates with the adhesive compositions analogous to Example 7 and 8 are characterized even after 21 storage still by the formation of a very strong adhesive bond. At the activation temperature of 135 ° C even better bonds than at 120 0 C are achieved.

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Medicinal Chemistry (AREA)
• Polymers & Plastics (AREA)
• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Dispersion Chemistry (AREA)
• Polyurethanes Or Polyureas (AREA)
• Adhesives Or Adhesive Processes (AREA)
• Laminated Bodies (AREA)
• Credit Cards Or The Like (AREA)

Priority Applications (7)

Applications Claiming Priority (2)

Publications (1)

Family

ID=40262113

Family Applications (1)

Country Status (11)

Cited By (4)

Families Citing this family (15)

Citations (6)

Family Cites Families (13)

• 2007
  • 2007-11-13 DE DE200710054046 patent/DE102007054046A1/de not_active Withdrawn
• 2008
  • 2008-10-31 MY MYPI2010002137A patent/MY176985A/en unknown
  • 2008-10-31 BR BRPI0820526-4A patent/BRPI0820526A2/pt not_active IP Right Cessation
  • 2008-10-31 RU RU2010123438/02A patent/RU2496651C2/ru not_active IP Right Cessation
  • 2008-10-31 KR KR1020107010426A patent/KR20100087713A/ko not_active Ceased
  • 2008-10-31 JP JP2010533458A patent/JP2011504427A/ja active Pending
  • 2008-10-31 EP EP08850259.6A patent/EP2209619B1/de active Active
  • 2008-10-31 WO PCT/EP2008/009194 patent/WO2009062602A1/de not_active Ceased
  • 2008-10-31 CA CA2705396A patent/CA2705396C/en not_active Expired - Fee Related
  • 2008-10-31 CN CN200880115658.XA patent/CN101855070B/zh active Active
  • 2008-10-31 KR KR1020157015623A patent/KR20150080626A/ko not_active Ceased
  • 2008-11-12 US US12/269,180 patent/US20090123757A1/en not_active Abandoned

Patent Citations (6)

Also Published As

Similar Documents

Legal Events