EP2114672A1 - Matériau composite multicouche comprenant une couche de polycarbonate - Google Patents

Matériau composite multicouche comprenant une couche de polycarbonate

Info

Publication number
EP2114672A1
EP2114672A1 EP08701120A EP08701120A EP2114672A1 EP 2114672 A1 EP2114672 A1 EP 2114672A1 EP 08701120 A EP08701120 A EP 08701120A EP 08701120 A EP08701120 A EP 08701120A EP 2114672 A1 EP2114672 A1 EP 2114672A1
Authority
EP
European Patent Office
Prior art keywords
polycarbonate
films
hydroxyphenyl
composite material
layer
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP08701120A
Other languages
German (de)
English (en)
Inventor
Alexander Meyer
Heinz Pudleiner
Klaus Meyer
Mehmet-Cengiz Yesildag
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Covestro Deutschland AG
Original Assignee
Bayer MaterialScience AG
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 Bayer MaterialScience AG filed Critical Bayer MaterialScience AG
Publication of EP2114672A1 publication Critical patent/EP2114672A1/fr
Withdrawn legal-status Critical Current

Links

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
    • 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
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • 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
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/04—Aromatic polycarbonates
    • C08G64/06—Aromatic polycarbonates not containing aliphatic unsaturation
    • C08G64/14—Aromatic polycarbonates not containing aliphatic unsaturation containing a chain-terminating or -crosslinking agent
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • 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

Definitions

  • the invention relates to a multilayer composite material having at least one layer of polycarbonate or copolycarbonate, characterized in that the polycarbonate or copolycarbonate end groups phenolate groups of the formula (1)
  • R is selected from the group consisting of C 10 -C 25 alkyl, C 10 -C 25 alkoxy, and C 10 -C 25 alkyl substituted aryl.
  • Polycarbonate, polyestercarbonate or even PC / polyester blends such as polyethylene terephthalate, polybutylene terephthalate or polycyclohexanedimethanol cyclohexanediocarboxylate (PCCD) such as e.g. with the trade names Lexan SLX® or XYLEX® (both General Electric, USA) are used mainly in the field of electronics, for decorative and functional panels in the household appliance sector, as cover films, e.g. used for sporting goods for DD cards and blister packs. Further fields of application are in the field of automotive engineering, such as e.g. Body panels or exterior mirrors, or in the telecommunications sector, such as e.g. Mobile phone shells and cell phone keyboards.
  • the films are characterized by high transparency, impact resistance and heat resistance.
  • Portable data carriers are used in a variety of embodiments for a variety of applications.
  • the portable data carriers often have a label, incorporated security features on a magnetic strip and / or an integrated circuit.
  • the portable data carriers can be designed as plastic cards with standardized dimensions and can be used, for example, for carrying out transactions of cashless payment transactions or for proving an access authorization to a mobile radio network.
  • portable data carriers are also known, which are generally each formed thinner and larger in size than the standard plastic cards and are integrated as a page in a passport book.
  • a known method for the production of high-quality portable data carriers is the lamination of a plurality of plastic films.
  • the production of complex constructed portable data carriers from many individual films is complex and severely restricted with regard to the selection of materials, in particular of adjacent individual films.
  • the individual films must have a certain minimum thickness in order to allow handling. It has therefore already begun to use for the production of portable data carriers coextruded films, which consist of several layers. The individual layers are connected to a multilayer film during their production. Several of these multilayer films can then be bonded together by lamination.
  • a contactless chip card which has a core film arranged between two cover films.
  • the cover films are each connected to the core film by means of a bonding layer.
  • the bonding layer is in each case in particular formed as a layer coextruded with the cover films and / or with the core film.
  • the cover films and the core film are made of polycarbonate, for example.
  • the tie layers may consist of a modified polyester called PETG
  • US Pat. No. 5,928,788 discloses inter alia a multilayer data carrier which is produced by laminating a core film and two cover films.
  • the core film and the cover films consist in particular of PETG.
  • the cover foils are enriched with antiblocking substances in the outer area.
  • the cover sheets are each coextruded from two layers, with only one of these layers containing the antiblocking substances.
  • WO 02/41245 discloses a multifunctional card body formed from a plurality of films interconnected by lamination, wherein at least one film consists of at least two coextrusion layers. In particular, it is provided to connect a core film on both sides with a cover film.
  • Each of the cover sheets may be formed as a coextruded polycarbonate film having two or three coextrusion layers.
  • the core film may have two different types of coextrusion layers.
  • the two types of coextrusion layers follow one another alternately, whereby a layer structure of three or five alternating coextrusion layers is formed.
  • the one kind of coextrusion may consist of polycarbonate or polyethylene terephthalate (PET).
  • PET polyethylene terephthalate
  • the other type of coextrusion layer may consist of a thermoplastic elastomer.
  • EP-A-0 706 152 discloses laminated smart cards or smart cards composed of thermoplastic materials. This composite made of laminatable films has clear advantages over cards which are produced by a complicated bonding process, e.g. were prepared using cyan-acrylate adhesives.
  • polycarbonate is particularly suitable for the films described above.
  • Polycarbonates having alkylphenol end groups are, for. As described in US 6,288,205. These polycarbonates are used in this patent as substrate materials for optical data carriers, since they have better processing properties in the injection molding process. Card applications or lamination properties are not described.
  • JP 200341011 describes polycarbonates for optical data memories. Some of these polycarbonates are modified with long-chain alkylphenols. These substrate materials are characterized by a better dimensional stability over other substrate materials and are therefore particularly suitable for optical discs. Card applications or lamination properties are not described.
  • WO 02/38647 describes polycarbonates with long-chain alkylphenols for injection molding applications. Card applications or lamination properties are not described.
  • the production of the finished card body or multilayer composite material is effected, in particular, by a laminating press in which the film bundle is intimately heated under the action of pressure. - A -
  • the core foils or the cover foils has a very good adhesion tendency during the laminating process. As a result, the process of producing these film composites can be accelerated. Furthermore, the adhesion of the cover films on the core film is improved.
  • This core film can be transparent and / or colored, and have good mechanical properties.
  • the cover sheets may be laser printable. Therefore, polycarbonate is preferably used here.
  • Polycarbonate films however, have the disadvantage of a high processing temperature in the laminating process. Furthermore, it takes a longer period to laminate the films. As a result, the lamination cycles described above are prolonged and long production times are required. Also, during the use phase of the finished film laminate, delamination may occur due to insufficient adhesion between the films.
  • the object was achieved in that a multilayer composite material having at least one layer of polycarbonate or copolycarbonate, characterized in that the polycarbonate or copolycarbonate as end groups phenolate groups of the formula (1)
  • R is selected from the group consisting of C 10 -C 25 alkyl, C 10 -C 25 alkoxy, and C 1 -C 25 alkyl substituted aryl.
  • multilayer composite means a material of 2, 3, 4, 5 or more layers interconnected, e.g. by coextrusion or lamination.
  • Layers can consist of the same or different materials. Even if
  • the term "at least one layer” means that the multilayer composite may comprise one or more such layers.
  • phenolate groups of formula (1) herein means that at least a portion of the polycarbonate consists of such phenolate groups, i.e., their proportion is greater than zero.
  • C10-C25-alkyl means a linear or branched hydrocarbon radical having from 10 to 25 carbon atoms, particularly linear C12-C20 alkyl, more particularly pentadecyl.
  • C10-C25 alkyl-substituted aryl represents a phenyl or naphthyl radical substituted with C10-C25 alkyl.
  • the polycarbonate for the film according to the invention preferably contains more than 80%, in particular more than 90% end groups of the formula 1.
  • the measurement of the proportion of end groups, e.g. the pentadecylphenol content can be z.
  • B. determine by NMR spectroscopy on integration of aliphatic protons. A more detailed analysis consists in the alkaline total saponification of the polycarbonate and a subsequent HPLC analysis, whereby a corresponding calibration with the pure substance pentadecylphenol is carried out beforehand.
  • polycarbonate for the film according to the invention is described by the formula 2:
  • -OBO- is a bisphenolate radical
  • n is a number between 1 and infinity
  • the radicals E correspond to the phenol radicals represented by the formula 1, the latter being bridged via the oxygen. It is also possible to use any desired mixture of bisphenolates, ie it may also be copolycarbonates.
  • Diphenols suitable for the preparation of the polycarbonates to be used are, for example, hydroquinone, resorcinol, dihydroxydiphenyl, bis (hydroxyphenyl) alkanes, bis (hydroxyphenyl) -cycloalkanes, bis (hydroxyphenyl) sulfides, bis (hydroxyphenyl) ethers, Bis (hydroxyphenyl) ketones, bis (hydroxyphenyl) sulfones, bis (hydroxyphenyl) sulfoxides, ⁇ , ⁇ '-bis (hydroxyphenyl) diisopropylbenzenes, and their alkylated, nuclear-alkylated and ring-halogenated compounds.
  • Preferred diphenols are 4,4'-dihydroxydiphenyl, 2,2-bis (4-hydroxyphenyl) -l-phenyl-propane, 1,1-bis (4-hydroxyphenyl) -phenyl-ethane, 2,2-bis- (4-hydroxyphenyl) propane, 2,4-bis (4-hydroxyphenyl) -2-methylbutane, 1,3-bis [2- (4-hydroxyphenyl) -2-propyl] benzene (bisphenol M), 2,2-bisphenol M), 2,2-bis
  • diphenols are 4,4'-dihydroxydiphenyl, 1,1-bis (4-hydroxyphenyl) -phenyl-ethane, 2,2-bis (4-hydroxyphenyl) -propane, 2,2-bis (3,5 -dimethyl-4-hydroxyphenyl) -propane, 1,1-bis- (4-hydroxyphenyl) -cyclohexane and 1,1-bis- (4-hydroxyphenyl) -3,3,5-trimethylcyclohexane (bisphenol TMC).
  • the chain terminators to be used are, for example, long-chain alkylphenols such as decyl, undecyl, dodecyl, tridecyl, Pentadecyl, hexadecylheptadecyl, octadecylphenol.
  • the phenols may carry these substituents in o, m, or p-position. It is understood that these substances may possibly be contaminated with impurities derived from their own synthesis, handling and storage. For example, these phenols may be contaminated by other phenols, disubstituted phenols, long chain fatty acids, dihydroxybenzenes, and alkyl dihydroxybenzenes. Most of these substances are also incorporated in the polycarbonate.
  • To control the molecular weight can be used to 40 mol% of other monofunctional phenols such as phenol, p-tert.-butylphenol, iso-octylphenol, cumylphenol, their chlorocarbonic acid esters or acid chlorides of monocarboxylic acids or mixtures thereof.
  • the amount of chain terminators is in each case from 0.1 to 10 mol%, based in the case of the phenolic chain terminators on moles of diphenols.
  • trifunctional compounds can be added during the synthesis as branching.
  • trisphenols, quarterphenols or acid chlorides of tri- or tetracarboxylic acids are used, or mixtures of polyphenols or acid chlorides.
  • Tetra (4-hydroxyphenyl) methane Some of the other trifunctional compounds are 2,4-dihydroxybenzoic acid, trimesic acid, cyanuric chloride and 3,3-bis (3-methyl-4-hydroxyphenyl) -2-oxo-2,3-dihydroindole.
  • Preferred branching agents are 3,3-bis (3-methyl-4-hydroxyphenyl) -2-oxo-2,3-dihydroindole and 1,1,1-tri (4-hydroxypheriyl) ethane.
  • Preferred polycarbonates in addition to the bisphenol A homopolycarbonates, are the copolycarbonates of bisphenol A with up to 15 mol%, based on the molar sums of diphenols, of other than preferred or particularly preferred diphenols, in particular 2,2-bis (3 , 5-dibromo-4-hydroxyphenyl) -propane, 1, 3-dihydroxybenzene.
  • the polycarbonates described may be mixed with various additives.
  • additives serves to extend the useful life or the color (stabilizers), the simplification of the processing (for example demoulding, flow aids, antistatic agents) or the adaptation of the polymer properties to certain loads (impact modifiers, such as rubbers, flame retardants, colorants, glass fibers).
  • additives can be added to the polymer melt individually or in any desired mixtures or several different mixtures, specifically directly during the isolation of the polymer or after the melting of granules in a so-called compounding step.
  • the additives or their mixtures may be added as a solid, ie as a powder, or as a melt of the polymer melt.
  • Another type of dosing is the use of masterbatches or mixtures of masterbatches of the additives or additive mixtures.
  • Suitable additives are described, for example, in “Additives for Plastics Handbook, John Murphy, Elsevier, Oxford 1999", in the “Plastics Additives Handbook, Hans Zweifel, Hanser, Kunststoff 2001”.
  • Suitable antioxidants or thermal stabilizers are, for example:
  • Aromatic hydroxybenzyl compounds
  • organic phosphites, phosphonates and phosphanes usually those in which the organic radicals consist entirely or partially of optionally substituted aromatic radicals.
  • Suitable complexing agents for heavy metals and for the neutralization of alkali traces are o / m phosphoric acids, fully or partially esterified phosphates or phosphites.
  • UV absorbers As light stabilizers (UV absorbers) are suitable:
  • substituted benzotriazoles are preferred.
  • Polypropylene glycols alone or in combination with e.g. Sulfones or sulfonamides as stabilizers can be used against damage by gamma rays.
  • stabilizers may be used singly or in combinations and added to the polymer in the above-mentioned forms.
  • processing aids such as mold release agents, usually derivatives of long-chain fatty acids, can be added.
  • processing aids such as mold release agents, usually derivatives of long-chain fatty acids, can be added.
  • Preferred are e.g. Pentaerythritol tetrastearate and glycerol monostearate. They are used alone or in a mixture, preferably in an amount of 0.02 to 1 wt .-%, based on the composition of the composition.
  • Suitable flame retardant additives are phosphate esters, i. H. Triphenyl phosphate, Resorcindiphosphorklareester, bromine-containing compounds such as brominated phosphoric acid esters, brominated oligocarbonates and polycarbonates, and preferably salts of fluorinated organic sulfonic acids.
  • Suitable impact modifiers are butadiene rubber grafted with styrene-acrylonitrile or methyl methacrylate, ethylene-propylene rubbers grafted with maleic anhydride, ethyl and Butylacrylatkautschuke with grafted methyl methacrylate or styrene-acrylonitrile, interpenetrating siloxane and acrylate networks with grafted methyl methacrylate or styrene-acrylonitrile.
  • colorants such as organic dyes or pigments or inorganic pigments, IR absorbers, individually, in admixture or in combination with stabilizers, glass fibers, glass (hollow) balls, inorganic fillers may be added.
  • the polycarbonate layer according to the invention may contain a laser-sensitive additive.
  • a laser-sensitive additive carbon black or an infrared light-absorbing dye is suitable.
  • Suitable additives are, in particular, color pigments and metal salts, copper hydroxide phosphate iriodin, a pearlescent pigment, such as is commercially available from Merck; but especially soot. These additives are admixed to the polycarbonate according to the invention, in particular in the order of a few parts per thousand to a maximum of 10 percent
  • the polycarbonate layer according to the invention may also contain other inorganic fillers, e.g. Titanium dioxide, barium sulfate, etc.
  • the amount of these inorganic fillers in the polycarbonate is preferably 2 to 50, more preferably 3 to 30% by weight.
  • Suitable inorganic fillers for obtaining an opaque or translucent polycarbonate layer are e.g. conventional inorganic pigments, especially metals or metal oxides such as aluminas, silicic acid, titanites, as well as alkaline metal salts such as carbonates or sulfates of calcium or barium.
  • Suitable particulate fillers may be homogeneous and consist predominantly of a material such as titanium dioxide or barium sulfate alone. Alternatively, at least a portion of the filler may be heterogeneous, so the actual filler may still be added with a modifier.
  • the actual filler may still be provided with a surface modifier, e.g. a pigment, a processing aid, a surfactant or other modifier to improve compatibility with the polycarbonate.
  • the polycarbonate layer contains titanium dioxide.
  • the phosgenation of a disodium salt of a bisphenol (or a mixture of different bisphenols) in aqueous alkaline solution (or suspension) is carried out in the presence of an inert organic solvent or solvent mixture which forms a second phase.
  • oligocarbonates are condensed with the aid of suitable catalysts to high molecular weight, dissolved in the organic phase, polycarbonates.
  • the organic phase is finally separated and the polycarbonate isolated from it by various work-up steps.
  • the continuous production process for polycarbonate by the interfacial process is suitable.
  • a Kontire relief that uses a Umpumpreaktor as Phosgenierreaktor and downstream tubular reactors.
  • the improved lamination properties can also be achieved in other ways.
  • another polymer such as PMMA can be used.
  • PMMA polymer
  • polymer blends e.g. based on polycarbonate.
  • additives can improve the lamination properties, but the processability is significantly worse, since additives have a tendency to form deposits on the surface of the films or on the lamination rolls. Additives can also cause evaporation and odor or health problems.
  • the film according to the invention shown above is suitable for the production of the film composites.
  • These films can be transparent, laser printable and colored.
  • the thickness of the films is preferably 5 to 1000, ⁇ m, more preferably 5 to 850.
  • the components are mixed and usually compounded at temperatures of about 260 ° C to 320 ° C by means of an extruder.
  • the foils can be smooth on one side or both sides or matt or structured on one or both sides.
  • the polycarbonate granules are fed to the hopper of an extruder and passes through this into the plasticizing system, consisting of screw and cylinder.
  • the plasticizing system conveys and melts the material.
  • the plastic melt is forced through a slot die.
  • a filter device Between plasticizing and slot die a filter device, a melt pump, stationary mixing elements and other components can be arranged. If necessary, the melt leaving the nozzle reaches a smoothing calender. In the nip of the smoothing calender, the final shaping takes place.
  • the shape fixation is done by cooling - this can happen, for example, alternately on the smoothing rollers and the ambient air.
  • the other facilities are used for transport, the application of protective film, the winding of the extruded films.
  • the material to be co-extruded is plasticized in the same way in one or more further extruders.
  • the coextrusion (s) is (are) combined in a special coexadapter in front of the nozzle or in a special coexing nozzle with the main material.
  • the coex layer can be applied both on one side as well as on both sides of the base layer.
  • Subsequent processing of the films may be by thermoforming or thermoforming, or by surface treatments such as scratch-resistant coating, water-spreading layers and other functional layers.
  • the films according to the invention are particularly suitable for the production of the above-described cards, e.g. Smart ID cards, smart cards in general, debit cards, credit cards, insurance cards, passports, RFID tags, driver's licenses, etc. These data media consist of differently structured core and cover foils.
  • Coextrusion films are also used here.
  • the films or coextrusion films according to the invention may be mixed with other films such as e.g. conventional polycarbonate films, films of polyesters, co-polyesters and / or crystalline, semi-crystalline or microcrystalline polyesters.
  • films made of PVC, ABS, PETG or PET or their mixed forms such as PC / ABS can additionally be used.
  • the invention therefore also composite systems of these materials and the alkyl-modified polycarbonate.
  • the arrangement of the films can be chosen depending on the application in various ways.
  • the individual films or coextrusion films can have different thicknesses.
  • the data medium or the card can be constructed symmetrically or asymmetrically.
  • the data carrier can for example be designed as a page of a passport book.
  • the data carrier is also possible to form the data carrier as a plastic card, in particular as a magnetic stripe card or a chip card.
  • the film according to the invention can be metallized, structured or printed - for example with conductor tracks.
  • the structuring and printing can be done by screen printing.
  • the application of the films is not limited to the data carriers described above, but these can also be used in chip half cards, key heads, buttons, bracelets, watch components, etc. are used.
  • polycarbonate is produced. From the polycarbonate films are produced, which are laminated together in a hot press. The stability of the film composite is determined either by hand or by means of a tractor. When using a tractor, the force needed to separate the films from each other is measured.
  • the mixture is stirred for a further 10 minutes and 22.6 g (0.2 mol) of N-ethylpiperidine are added and the mixture is stirred for a further 1 hour.
  • the organic phase is acidified after separating the aqueous phase with phosphoric acid and washed neutral with distilled water and salt-free. After solvent exchange against chlorobenzene, the product is extruded at 290 0 C and 80 revolutions / min at 0.1 mbar via a Ausdampffextruder and granulated through a granulator.
  • the system used consists of
  • the melt reaches a smoothing roll and then the cooling roll, the rolls having the temperature mentioned in Table 1. Subsequently, the film is transported through a trigger and then wound up.
  • the film thus produced is by means of a Weber press (Weber press, hydraulic, type PW 30) at different temperatures and at a pressure of 6OkN and a time of 10 min. on a commercially available polycarbonate film a MEIT Volume Rate (MVR) of about 6 cm 3/10 min (300 ° C / l, 2 kg), measured according to ISO 1133 (Makrolon ® 3108) from Bayer MaterialScience, Germany, laminated.
  • MVR MEIT Volume Rate
  • Example 1 lamination Testing and measurement of the lamination behavior are carried out as in Example 1 lamination, but 2 commercially available polycarbonate films (from Makrolon® 3108) from Bayer MaterialScience are laminated to one another.
  • the film thus prepared according to the invention by means of a hydraulic laboratory press from the company.
  • a spacer made of aluminum foil is introduced at one end of the films in order to then clamp the laminate in the terminals of the tensile tester can.
  • the stability of the film composite is determined by means of a separation test in a tensile test machine on the basis of DIN 53357. It measures the force needed to separate the films.
  • the experiments show the increased adhesion of the films according to the invention during lamination.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Materials For Medical Uses (AREA)

Abstract

L'invention concerne un matériau composite multicouche qui comprend au moins une couche de polycarbonate ou de copolycarbonate. L'invention est caractérisée en ce que le polycarbonate ou le copolycarbonate comporte comme groupes terminaux des groupes phénolates de formule (I) dans laquelle R est sélectionné dans le groupe composé d'alkyle C10-C25, d'alcoxy C10-C25 et d'aryle substitué alkyle C10-C25.
EP08701120A 2007-01-29 2008-01-16 Matériau composite multicouche comprenant une couche de polycarbonate Withdrawn EP2114672A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710004332 DE102007004332A1 (de) 2007-01-29 2007-01-29 Mehrschichtverbundwerkstoff mit einer Schicht aus Polycarbonat
PCT/EP2008/000265 WO2008092558A1 (fr) 2007-01-29 2008-01-16 Matériau composite multicouche comprenant une couche de polycarbonate

Publications (1)

Publication Number Publication Date
EP2114672A1 true EP2114672A1 (fr) 2009-11-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08701120A Withdrawn EP2114672A1 (fr) 2007-01-29 2008-01-16 Matériau composite multicouche comprenant une couche de polycarbonate

Country Status (9)

Country Link
US (1) US20080182094A1 (fr)
EP (1) EP2114672A1 (fr)
JP (1) JP2010516519A (fr)
KR (1) KR20090104082A (fr)
CN (1) CN101610906A (fr)
DE (1) DE102007004332A1 (fr)
RU (1) RU2009132412A (fr)
TW (1) TW200848260A (fr)
WO (1) WO2008092558A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8916259B2 (en) * 2008-12-18 2014-12-23 Sabic Global Technologies B.V. Multilayer films for insert mold decoration, methods for making the same, and articles made therefrom
DE102009007762A1 (de) 2009-02-06 2010-08-12 Bayer Materialscience Ag Folienmehrschichtverbund mit einer Schicht aus Polycarbonat
DE102011102100A1 (de) * 2011-05-20 2012-11-22 Giesecke & Devrient Gmbh Verfahren zur Herstellung eines Folienverbundwerkstoffs und eines Kartenkörpers
US8691915B2 (en) 2012-04-23 2014-04-08 Sabic Innovative Plastics Ip B.V. Copolymers and polymer blends having improved refractive indices
JP6397645B2 (ja) * 2014-03-31 2018-09-26 出光興産株式会社 ポリカーボネート樹脂組成物、及び成形体
DE102015212409A1 (de) 2015-07-02 2017-01-05 Homag Holzbearbeitungssysteme Gmbh Verfahren zum Beschichten und Kennzeichnen von Werkstücken

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1007996B (de) 1955-03-26 1957-05-09 Bayer Ag Verfahren zur Herstellung thermoplastischer Kunststoffe
US2991273A (en) 1956-07-07 1961-07-04 Bayer Ag Process for manufacture of vacuum moulded parts of high molecular weight thermoplastic polycarbonates
US3148172A (en) 1956-07-19 1964-09-08 Gen Electric Polycarbonates of dihydroxyaryl ethers
US2999846A (en) 1956-11-30 1961-09-12 Schnell Hermann High molecular weight thermoplastic aromatic sulfoxy polycarbonates
US2999835A (en) 1959-01-02 1961-09-12 Gen Electric Resinous mixture comprising organo-polysiloxane and polymer of a carbonate of a dihydric phenol, and products containing same
GB1122003A (en) 1964-10-07 1968-07-31 Gen Electric Improvements in aromatic polycarbonates
NL152889B (nl) 1967-03-10 1977-04-15 Gen Electric Werkwijze ter bereiding van een lineair polycarbonaatcopolymeer, alsmede orienteerbare textielvezel van dit copolymeer.
DE2036052A1 (en) 1970-07-21 1972-01-27 Milchwirtschafthche Forschungs und Untersuchungs Gesellschaft mbH, 2100 Hamburg Working up of additives in fat and protein - contng foodstuffs
DE2063050C3 (de) 1970-12-22 1983-12-15 Bayer Ag, 5090 Leverkusen Verseifungsbeständige Polycarbonate, Verfahren zu deren Herstellung und deren Verwendung
DE2211956A1 (de) 1972-03-11 1973-10-25 Bayer Ag Verfahren zur herstellung verseifungsstabiler blockcopolycarbonate
US4677184A (en) * 1985-11-12 1987-06-30 General Electric Company Polycarbonate containing cycloalkenylphenyl terminal groups
US4699971A (en) * 1985-11-12 1987-10-13 General Electric Company Polycarbonate with cycloalkylphenyl end group
NO170326C (no) 1988-08-12 1992-10-07 Bayer Ag Dihydroksydifenylcykloalkaner
DE3832396A1 (de) 1988-08-12 1990-02-15 Bayer Ag Dihydroxydiphenylcycloalkane, ihre herstellung und ihre verwendung zur herstellung von hochmolekularen polycarbonaten
DE4118232A1 (de) * 1991-06-04 1992-12-10 Bayer Ag Kontinuierliche herstellung von polycarbonaten
NL9301457A (nl) 1993-08-23 1995-03-16 Nedap Nv Contactloze identificatiekaart of smart card.
DE19507144A1 (de) 1994-10-18 1996-04-25 Giesecke & Devrient Gmbh Mehrschichtiger Datenträger mit Deckschichten aus modifiziertem PET
EP0706152B1 (fr) 1994-11-03 1998-06-10 Fela Holding AG Feuille de base pour carte à puce
DE4444868A1 (de) * 1994-12-16 1996-06-20 Bayer Ag UV-geschützte, mehrschichtige Polycarbonatplatten
EP0732355B1 (fr) * 1995-03-18 1997-07-16 General Electric Company Articles thermoplastiques revêtus
US5837380A (en) * 1995-12-26 1998-11-17 Lucent Technologies, Inc. Multilayer structures and process for fabricating the same
WO1999036456A1 (fr) 1998-01-19 1999-07-22 Mitsubishi Chemical Corporation Resine de polycarbonate, substrat de support de donnees optiques fabrique dans cette resine et support de donnees optiques
US6572956B1 (en) * 1999-04-08 2003-06-03 General Electric Company Weatherable multilayer resinous articles and method for their preparation
DE19933128A1 (de) 1999-07-19 2001-01-25 Bayer Ag Polycarbonat und dessen Formkörper
DE19933132A1 (de) * 1999-07-19 2001-01-25 Bayer Ag Verfahren zur Herstellung von modifizierten Polycarbonaten
DE19941214A1 (de) * 1999-08-30 2001-03-01 Bayer Ag Mehrschichtige Kunststoffverbunde und ein Verfahren zu deren Herstellung
NL1013028C2 (nl) * 1999-09-10 2001-03-13 Dsm Nv Informatiedragend vormdeel.
EP1312472B1 (fr) * 2000-08-18 2009-02-11 Teijin Chemicals, Ltd. Structure stratifiee d'aspect attrayant et son utilisation
JP2002146006A (ja) 2000-11-13 2002-05-22 Idemitsu Petrochem Co Ltd 直鎖状ポリカーボネート
DE10057231A1 (de) 2000-11-18 2002-05-29 Orga Kartensysteme Gmbh Multifunktioneller Kartenkörper
DE10128705A1 (de) * 2001-06-13 2002-12-19 Bayer Ag Polycarbonate, Polyestercarbonate und Polyester mit verzweigten Endgruppen
JP4644392B2 (ja) 2001-07-31 2011-03-02 帝人化成株式会社 光学記録媒体
US6706846B2 (en) * 2001-10-10 2004-03-16 General Electric Company Method for end-capping polycarbonate resins and composition for use in same
DE10219229A1 (de) * 2002-04-30 2003-11-13 Bayer Ag Polycarbonate, Polyestercarbonate und Polyester mit speziellen verzweigten Endgruppen
US6734277B2 (en) 2002-05-09 2004-05-11 General Electric Company Method of enhancing pit replication in optical disks
US6916899B2 (en) * 2002-10-21 2005-07-12 Bayer Aktiengesellschaft Polycarbonates, polyester carbonates and polyesters having lateral, cycloalkyl-substituted phenols
DE10248952A1 (de) * 2002-10-21 2004-04-29 Bayer Ag Polycarbonate, Polyestercarbonate und Polyester mit lateral-ständigen Cycloalkyl-substituierten Phenolen
US20060182984A1 (en) * 2005-02-17 2006-08-17 Abele Wolfgang P Protected polycarbonate films having thermal and UV radiation stability, and method of making
US20060199871A1 (en) * 2005-03-02 2006-09-07 Hale Wesley R Multilayered, transparent articles and a process for their preparation
US20070231576A1 (en) * 2005-09-30 2007-10-04 Davis M S Multilayer films comprising tie layer compositions, articles prepared therefrom, and method of making

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008092558A1 *

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RU2009132412A (ru) 2011-03-10
JP2010516519A (ja) 2010-05-20
WO2008092558A1 (fr) 2008-08-07
KR20090104082A (ko) 2009-10-05
DE102007004332A1 (de) 2008-07-31

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