EP3562869A1 - Élément composite - Google Patents

Élément composite

Info

Publication number
EP3562869A1
EP3562869A1 EP17821921.8A EP17821921A EP3562869A1 EP 3562869 A1 EP3562869 A1 EP 3562869A1 EP 17821921 A EP17821921 A EP 17821921A EP 3562869 A1 EP3562869 A1 EP 3562869A1
Authority
EP
European Patent Office
Prior art keywords
component
coating
carrier
polymer
composite component
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.)
Pending
Application number
EP17821921.8A
Other languages
German (de)
English (en)
Inventor
Andreas Seidel
Sven Hobeika
Ralf Hufen
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
Covestro Deutschland 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 Covestro Deutschland AG filed Critical Covestro Deutschland AG
Publication of EP3562869A1 publication Critical patent/EP3562869A1/fr
Pending legal-status Critical Current

Links

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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • B29C67/246—Moulding high reactive monomers or prepolymers, e.g. by reaction injection moulding [RIM], liquid injection moulding [LIM]
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1679—Making multilayered or multicoloured articles applying surface layers onto injection-moulded substrates inside the mould cavity, e.g. in-mould coating [IMC]
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/0427—Coating with only one layer of a composition containing a polymer binder
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • 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
    • B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B29L2009/005—Layered products coated
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2425/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2425/02—Homopolymers or copolymers of hydrocarbons
    • C08J2425/04—Homopolymers or copolymers of styrene
    • C08J2425/08—Copolymers of styrene
    • C08J2425/12—Copolymers of styrene with unsaturated nitriles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C08J2451/04—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2475/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2487/00—Characterised by the use of unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon bonds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers

Definitions

  • the present invention relates to a composite member containing a carrier of a polycarbonate composition and a surface coating, and a method for producing the composite member.
  • Composite components are used for numerous applications in the areas of rail, aviation or motor vehicles as well as electrical / electronics. Such components are produced, for example, by first producing a carrier in an injection molding process and providing this carrier in a second step on at least one side with a decorative and / or functional coating.
  • the coating can serve to improve the aesthetic appearance or surface properties, such as scratch resistance, haptics, surface conductivity or light resistance of the component.
  • the coating can be applied by various methods such as spray painting, electroplating, foaming, curtain coating or 2K-RiM-Direct-Coating-V experienced.
  • An essential requirement for composite components is a stable two-component structure and the preservation of this structure even under mechanical loads or under the influence of aging influences. For example, scratches that penetrate the surface coating down to the substrate should not lead to a detachment of the coating from the substrate
  • DE 10 2006 033 059 A1 discloses composite components consisting of polycarbonate (PC) / ABS or polyamide / ABS molding compositions as a carrier and a polyurethane-based coating produced in a two-component reactive injection molding process in which the carrier surface is pretreated with a primer to improve the bond adhesion or a laser, corona or plasma treatment has been subjected.
  • WO 2011/070043 Al and WO 2011/070044 Al describe composite components with improved
  • Bond strength and a two-component reactive injection molding process for the production of polyurethane-coated components of PC ABS molding compositions with improved bond strength in which injected in a first step in a first cavity, a carrier of a thermoplastic PC / ABS composition, subsequently cooled and thereby solidified in a second method, the cavity of the injection molding tool is enlarged and thereby a gap is created and finally in a third process step a reactive polyurethane raw material mixture comprising a polyisocyanate and a polyfunctional I I active compound is sprayed into the gap thus created, the mixture polymerized in contact with the surface of the thermoplastic carrier to a compact polyurethane layer or to a polyurethane foam layer.
  • PC / ABS compositions having a high polycarbonate content or a high rubber content are used in the first process step.
  • such compositions have a high melt viscosity and thus often poor processability in the injection molding process.
  • WO 2015055577 AI describes poly carbonate / AB S compositions with improved paint adhesion and composite components of a support of such compositions and a polyurethane-based coating, wherein the PC / ABS composition based on the sum of polycarbonate and ABS content 10 bis Contains 20 parts by weight of polybutadiene rubber and 12 to 23 parts by weight of free, rubber-free SAN.
  • WO 2015055719 Al describes polycarbonate compositions with improved adhesion to polyurethane systems and composite components of a support of such Compositions and a polyurethane-based coating, wherein the PC composition contains polycarbonate, polyalkylene terephthalate and a mixture of polybutadiene rubber-containing graft polymer and butadiene-free vinyl (co) polymer and based on the sum of the above polymeric constituents of the composition 8 to 18 parts by weight Polybutadiene and 3 to 12 parts by weight of butadiene-free vinyl (co) polymer.
  • WO 2015055561 A1 discloses flame-retardant polycarbonate / AB S compositions with improved adhesion to polyurethane systems and composite components comprising a support of such compositions and a polyurethane-based coating, wherein the
  • PC / ABS composition polycarbonate a mixture of polybutadiene rubber-containing graft polymer and butadiene-free vinyl (co) polymer and a phosphorus-containing flame retardant and based on the sum of o.g.
  • Ingredients of the composition contains 0.5 to 5.5 parts by weight of polybutadiene and 0.5 to 5.0 parts by weight of butadiene-free vinyl (co) polymer.
  • WO 99/20464 discloses composite components with improved composite adhesion after climate change test consisting of a support of a finely divided metal oxides containing PC / ABS composition and a polyurethane foam coating.
  • WO 201 1015286 AI discloses composite components with improved composite adhesion consisting of a carrier of a foamed by means of a chemical or physical process by injection molding polycarbonate / ABS composition and one in a
  • the disclosed composite components obtain their good adhesion properties via particular compositions of the carrier material or a pretreatment of the carrier surface. This is associated with a limited performance property profile or a more complex manufacturing process.
  • the composite adhesion in the composite components according to the invention should be at least 0.8 N / mm, more preferably at least 1.0 N / mm, measured on stripped samples taken from the component with a width of 20 mm in a roll chase according to DI EN 1464 (version of 2010) with a Test speed of 100 mm / min, amount. This means that both the strength of the substrate, as well as the strength of the coating material and also the
  • Adhesive strength in the boundary layer between support and coating exceeds this value.
  • thermoplastic composition carrier containing at least the following ingredients
  • Polycarbonate in particular aromatic polycarbonate
  • Graft bases the polymer chains formed from the monomers B.I.1) being chemically bound to the graft base B.I.2) or being enclosed in the graft base in such a way that they do not escape from this graft base in the production and processing of the compositions according to the invention and
  • B.2 one or more rubber-free (co) polymers of at least one vinyl monomer and C) 0 to 30 wt .-%, preferably 0.1 to 20 wt .-%, particularly preferably 0.2 to 10 wt .-%, each based on the sum of all components of the composition, one or more polymer additives, wherein the Content of rubber B.1.2) based on component B), at 10 to 40
  • Wt .-% preferably 15 to 35 wt .-%, particularly preferably 20 to 30 wt .-%, and wherein the component B) at least 20 wt .-%, preferably at least 30 wt .-%, particularly preferably at least 40 wt .-%, each based on the
  • Component B non-chemically bonded to the graft or included in this graft base vinyl (co) polymer B.2 contains and
  • the support is a shaped body which, in a preferred embodiment, is produced by an injection molding process.
  • the carrier used for the two-component component already has the above-described phase structure before the coating process.
  • a component of the invention is also a process for producing the composite components, in which a support is coated from a composition as described above.
  • a support having the above-described phase structure is used in this process.
  • phase structure described above can be achieved in various ways, it being immaterial to the invention, which approach is chosen.
  • Phase compatibility agent as a component of component C Phase compatibility agent as a component of component C), use of suitable process parameters in the preparation of the carrier such as low ScheiTaten and / or high mold temperatures, heat treatment of the carrier, preferably above the glass transition temperatures of components A) and B) before coating and quenching of the carrier surface in suitable Solvents before coating.
  • component A) is a thermoplastic or a mixture of different thermoplastics selected from at least one polymer P from the group consisting of polycarbonate, polyester, polyester and polyamide used.
  • component A) is selected from at least one polymer selected from the group consisting of polycarbonate, polyester carbonate and polyester.
  • polycarbonate is understood as meaning both homopolycarbonates and copolycarbonates, in which case the polycarbonates can be linear or branched in a known manner .Mic mixtures of polycarbonates can also be used according to the invention.
  • a part, up to 80 mol%, preferably from 20 mol% up to 50 mol%, of the carbonate sipes in the polycarbonates used according to the invention may be replaced by aromatic dicarboxylic acid ester groups.
  • aromatic polyester Such Poiycarbonate containing both acid residues of carbonic acid and acid residues of aromatic dicarboxylic acids incorporated in the molecular chain are referred to as aromatic polyester.
  • thermoplastic polycarbonates including the thermoplastic aromatic polyester carbonates have average molecular weights Mw determined by GPC (Geipermeationschromatographie in methylene chloride with polycarbonate as standard) of 15,000 g / mol to 50,000 g / mol, preferably from 20,000 g / mol to 35,000 g mol, more preferably from 23,000 g mol to 33,000 g / mol.
  • aromatic polycarbonates is e.g. by reaction of diphenols with carbonyl halides, preferably phosgene, and / or with aromatic dicarboxylic acid dihalides, preferably benzenedicarboxylic acid dihalides, after the phase deterioration, optionally break off using chains!
  • Dihydroxyaryl compounds suitable for the preparation of polycarbonates are those of the formula (1)
  • Z is an aromatic radical having 6 to 30 C atoms, which may contain one or more aromatic nuclei, may be substituted and may contain aliphatic or cycloaliphatic radicals or alkylaryls or heteroatoms as bridge members.
  • Z in formula (1) preferably represents a radical of the formula (2)
  • R 6 and R 7 independently of one another are H, C i - to C is -alkyl, C i - to C is -alkoxy,
  • Halogen such as Ci or Br or for each optionally substituted aryl or aralkyl, preferably for H or C i - to C n-alkyl, particularly preferably for H or C i - to Cx-Alkvl and very particularly preferably for H or methyl, and
  • Alkylidene or C to Ce-cycloalkylidene which may be substituted by C i - to C, -Alk l, preferably methyl or ethyl, further for Ce to C n-arylene, which may be optionally fused with further heteroatom-containing aromatic rings , stands.
  • X is a single bond, C - to C. Alkylene, C 2 to C 5 alkylidene, C 5 C 6 cycloalkylidene, -0-. -SO-, -CO-, -S-, -SO ; or for a radical of the formula (2a)
  • Diphenols suitable for the production of polycarbonates are, for example, hydroquinone, resorcinol, dihydroxydiphenyls, bis (hydroxyphenyl) alkanes, bis (hydroxyphenyl) cycloalkanes, bis (hydroxyphenyl) sulfides, bis (hydroxyphenyl) ethers, bis ( hydroxyphenyl) ketones, bis (hydroxyphenyl) sulfones, bis (hydroxyphenyl) sulfoxides, ⁇ - ⁇ '-bis (hydroxyphenyl) -diisopropylbenzenes, phthalimidines derived from isatin or phenolphthalein derivatives, and their alkylened, nuclear-arylated, and kenehalogenated compounds.
  • Preferred diphenols are 4,4'-dihydroxydiphenyl, 2.2-bis (4-hydroxyphenyl) propane (bisphenol A), 2,4-bis (4-hydroxyphenyl) -2-methylbutane, 1,1-bis (4-hydroxyphenyl) -p-diisopropylbenzene, 2,2-bis (3-methyl-4-hydroxyphenyl) -propane, dimethyl-bisphenol A, bis (3,5-dimethyl-4-hydroxyphenyl) -methane, 2.2-Bi sl 3. -tlimethyl -4-h ydroxyphenyl) -propane.
  • diphenols are 2,2-bis- (4-hydroxyphenyl) -propane (bisphenol A), 2,2-bis- (3,5-dimethyl-4-hydroxyphenyl) -propane, 1,1-bis- (4 -hydroxyphenyl) -cyclohexane, 1,1-bis (4-hydroxyphenyl) -3,3,5-trimethylcyclohexane and dimethyl-bisphenol A.
  • Copolycarbonates are used several diphenols.
  • the diphenols used, as well as all other chemicals and auxiliaries added to the synthesis, may be contaminated with the impurities derived from their synthesis, handling and storage. However, it is desirable to work with as pure as possible raw materials.
  • Suitable carbonic acid derivatives are, for example, phosgene or diphenyl carbonate.
  • Suitable chain terminators that can be used in the preparation of the polycarbonates are monophenols.
  • Suitable monophenols are, for example, phenol itself, alkylphenols such as cresols, p-tert-butylphenol, cumylphenol and mixtures thereof.
  • Preferred Kettenabbre rather are the phenols which are mono- or polysubstituted with C i - to C30- alkyl radicals, linear or branched, preferably unsubstituted, or substituted with tert-butyl.
  • Particularly preferred chain terminators are phenol, cumylphenol and / or p-tert-butylphenol.
  • the amount of chain terminator to be used is preferably 0.1 to 5 mol%, based on moles of diphenols used in each case.
  • the addition of the chain terminators can be carried out before, during or after the reaction with a carbonic acid derivative.
  • Suitable branching agents are the tri- or more than tri-functional compounds known in polycarbonate chemistry, especially those having three or more than three phenolic OH groups.
  • Suitable branching agents are, for example, 1,3,5-tri (4-hydroxyphenyl) benzoi, 1,1,1-tri (4-hydroxyphenyl) ethane, tri- (4-hydroxyphenyl) -phenyl methane, 2,4- Bis (4-hydroxyphenylisopropyl) phenol, 2,6-bis (2-hydroxy-5'-methylbenzyl) -4-methylphenol, 2- (4-hydroxyphenyl) -2- (2,4- dihydroxyphenyl) propane, tetra (4-hydroxyphenyl) methane, tetra-
  • the amount of optionally used branching agent is preferably 0.05 mol% to 2.00 mol%, based on moles of diphenols used in each case.
  • the branching agents may either be initially charged with the diphenols and the chain terminators in the aqueous alkaline phase or may be added dissolved in an organic solvent prior to phosgenation. In the case of the transesterification process, the
  • Branching agent used together with the diphenols.
  • Particularly preferred polycarbonates are the homopolycarbonate based on bisphenol A, the homopolycarbonate based on 1,3-bis (4-hydroxyphenyl) -3,3,5-trimethylcyclohexane and the copolycarbonates based on the two monomers bisphenol A and I, l Bis (4-hydroxyphenyl) -3,3,5-trimethylcyclohexane.
  • Preferred production positions of the polycarbonates to be used according to the invention, including the polyester carbonates, are the known interfacial process and the known process
  • component A) or a part of component A) can be used in the form of powders.
  • Eligible polyesters in a preferred embodiment are aromatic, more preferably polyalkylene terephthalates.
  • these are reaction products of aromatic dicarboxylic acids or their reactive derivatives, such as dimethyl esters or anhydrides, and aliphatic, cycloaliphatic or araliphatic diols, and mixtures of these reaction products.
  • Particularly preferred aromatic polyalkylene terephthalates contain at least 80% by weight, preferably at least 90% by weight, based on the dicarboxylic acid component of terephthalic acid residues and at least 80% by weight, preferably at least 90% by weight, based on the diol component of ethylene glycol and / or butanediol -l, 4-residues.
  • the preferred aromatic polyalkylene terephthalates may contain, in addition to terephthalic acid residues, up to 20 mole%, preferably up to 10 mole%, of other aromatic or cycloaliphatic dicarboxylic acids having 8 to 14 C atoms or aliphatic dicarboxylic acids having 4 to 12 C atoms, e.g. Residues of phthalic acid, isophthalic acid, naphthalene-2,6-dicarboxylic acid, 4,4'-diphenyldi-carboxylic acid, succinic acid, adipic acid, sebacic acid, azelaic acid, cyclohexanediacetic acid.
  • the aromatic polyalkylene terephthalates may be prepared by incorporation of relatively small amounts of trihydric or trihydric alcohols or 3- or 4-basic carboxylic acids, e.g. in accordance with DE-A 1 900 270 and US Pat. No. 3,692,744.
  • preferred branching agents are trimesic acid, trimellitic acid, trimethylolethane and -propane and pentaerythritol.
  • aromatic polyalkylene terephthalates which have been prepared solely from terephthalic acid and their reactive derivatives (for example their dialkyl esters) and ethylene glycol and / or 1,4-butanediol, and mixtures of these polyalkyl enterephthalates.
  • Preferred mixtures of aromatic polyalkylene terephthalates contain 1 to 50% by weight, preferably 1 to 30% by weight, of polyethylene terephthalate and 50 to 99% by weight, preferably 70 to 99% by weight, of polybutylene terephthalate.
  • the aromatic poly (ethylene terephthalates) which are preferably used have a viscosity number of 0.4 to 1.5 dl / g, preferably 0.5 to 1.2 dl / g, measured in phenol / o-dichlorobenzoi (1: 1 parts by weight) in a concentration of 0 , 05g / ml according to ISO 307 at 25 ° C in Ubbelohde viscometer.
  • the aromatic poly (ethylene terephthalates) can be prepared by known methods (see, for example, Kunststoff-Handbuch, Vol. VIII. P. 695 et seq., Carl-Hanser-Verlag, Kunststoff 1973).
  • Polymer according to component A) used amorphous and / or semi-crystalline polyamides.
  • compositions in a preferred embodiment are free of polycarbonates, polyester carbonates and polyesters.
  • Suitable polyamides are aliphatic polyamides, for example P-6. PA-11, PA-12. PA-4,6, PA-4,8, PA-4,10, PA-4.12. PA-6,6, PA -6.9. PA-6,10, PA-6,12, PA-10, 10, PA-12.12.
  • PA-6 / 6,6-copolyamide PA-6/12-copolyamide, PA-6/11-copolyamide, PA-6,6 / 11-copolyamide, PA-6,6 / 12-copolyamide, PA-6 / 6, 10-copolyamide, PA-6,6 / 6, 10-copolyamide, PA-4,6-copolyamide, PA-6 / 6,6 / 6, 10-Te ⁇ olyamid, and Copolyamide of 1, 4-Cyclohexandi carboxylic acid and 2,2,4- and 2,4,4-trimethyihexamethylenediamine, aromatic polyamides, / for example PA-6.1. PA-6, l / 6,6-Copolyamide, PA-6.T. PA-6, T / 6 copolyamide, PA-6, T / 6,6 copolyamide,
  • PA-6, l / 6, T-Copolyamide, PA-6,6 / 6, T / 6, 1 -Copolyamide, P A-6 .T 2-M PM DT Copolyami (2-MPMDT 2-methylpentamethylenediamine) , PA-9.T.
  • semi-crystalline polyamides which have advantageous thermal properties.
  • semi-crystalline polyamides which have a melting point of at least 200 ° C., preferably of at least 220 ° C., more preferably of at least 240 ° C. and even more preferably of at least 260 ° C.
  • the melting point is determined by DSC.
  • Preferred semi-crystalline polyamides are selected from the group containing PA-6, PA-6,6, PA-6,10. PA 4.6. PA-11, PA-12. PA-12, 12, PA-6.1. PA 6.T. PA-6, T / 6,6-copolyamide
  • the component A is either polyamide or at least one polymer selected from the group consisting of polycarbonate, polyester and polyester carbonate.
  • component A exactly one polymer selected from the group consisting of polycarbonate, polyester and polyester carbonate is used
  • Aromatic polycarbonate based on bisphenol A is most preferably used as component A.
  • Component B) is rubber-modified vinyl (co) polymer.
  • Component B) comprises one or more graft polymers as component B.l) and rubber-free vinyl (co) polymer which is not chemically bonded to a rubber or enclosed in this rubber as component B.2).
  • Component B.l comprises one or more graft polymers of
  • the glass transition temperature is determined by means of differential scanning calorimetry (DSC) according to the standard DIN EN 61006 (2004 version) at a heating rate of 10 K / min with definition of the Tg as the center temperature (tangent method).
  • DSC differential scanning calorimetry
  • the preferred particulate Pfropfgrundiagen B.1.2 generally have an average particle size (d50 value) of 0.05 to 10 ⁇ , preferably 0.1 to 5 ⁇ , more preferably 0.2 to 1, 5 ⁇ .
  • the mean particle size d50 is the diameter, above and below which each 50 wt .-% of the particles are. It can be determined by ultracentrifuge measurement (W. Scholtan, I.I. Lange, Kolloid, Z. and Z. Polymere 250 (1972), 782-1796).
  • Monomers B.1.1 are preferably mixtures of
  • Bl .1.1 50 to 99 wt .-%, preferably 65 to 85 wt .-%, preferably 70 to 80 wt .-%, each based on the totality of the monomers of the graft shell B.1.1, vinyl aromatics and / or ring-substituted vinyl aromatic (such Styrene, ⁇ -methylstyrene, p-methylstyrene, p-chlorostyrene) and / or (meth) acrylic acid (C 1 -C 8) alkyl esters, such as methyl methacrylate, ethyl methacrylate and butyl acrylate, and
  • B.1 .1 .2 1 to 50 wt .-%, preferably 15 to 35 wt .-%, particularly preferably 20 to 30 wt .-%, each based on the totality of the monomers of Pfropfhülie B.1.1, Vinyi Cyanide ( unsaturated nitriles such as acrylonitrile and methacrylonitrile) and / or (meth) acrylic acid (C 1 -C 8) -alkyl esters, such as methyl methacrylate, n-butyl acrylate, t-butyl acrylate, and / or derivatives (such as anhydrides and imides) of unsaturated carboxylic acids, for example maleic anhydride and N-phenyl maleimide.
  • Vinyi Cyanide unsaturated nitriles such as acrylonitrile and methacrylonitrile
  • acrylic acid (C 1 -C 8) -alkyl esters such as methyl methacrylate
  • Preferred monomers Bl .1.1 are selected from at least one of the monomers styrene, ⁇ -methylstyrene and methyl methacrylate.
  • Preferred monomers B.1 .1 .2 are selected from at least one of the monomers acrylonitrile, n-butyl acrylate, maleic anhydride and methyl methacrylate.
  • Particularly preferred monomers are B. 1 .1. 1 styrene and B. 1. 1 .2 acrylonitrile.
  • suitable grafting B. 1 .2) are for example diene rubbers, EP (D) M rubbers, ie those based on ethylene / propylene and optionally diene, acrylate, polyurethane, silicone, chloroprene and ethyl ene / Vinylac etat-Kauts chuke and silicone / acrylate composite rubbers.
  • EP (D) M rubbers ie those based on ethylene / propylene and optionally diene, acrylate, polyurethane, silicone, chloroprene and ethyl ene / Vinylac etat-Kauts chuke and silicone / acrylate composite rubbers.
  • Preferred graft bases B.1.2 are diene rubbers, for example based on butadiene and isoprene, or mixtures of diene rubbers or copolymer grades of diene rubbers or mixtures thereof with other copolymerizable monomers (for example according to B.l.1.1 and B.l.1.2). Particularly preferred as the graft B.1.2) is pure polybutadiene rubber.
  • the graft copolymers B.l) are prepared by free-radical polymerization, e.g. produced by emulsion, suspension, solution or bulk polymerization.
  • the gel content of the graft base B.1.2 is determined at 25 ° C. in a suitable solvent as a fraction which is insoluble in these solvents (M. Hoffmann, H. Kramer, R. Kuhn, Polymeranalytik I and I. Georg Thieme-Verlag, Stuttgart 1977 ).
  • a suitable solvent as a fraction which is insoluble in these solvents
  • the graft monomers B.1.1 are not necessarily completely grafted onto the grafting base.
  • products of grafting reactions often still contain significant proportions of free (i.e., not chemically bound to the grafting base and irreversibly entrapped in the grafting base) copolymer having a composition analogous to that of the grafted shell.
  • component B.1) is understood to mean exclusively the graft polymer as defined above, whereas the copolymer of component B.2) which is not bound chemically to the graft base and is not included in this graft base is associated with the preparation.
  • a suitable Solvents such as acetone, M. Hoffmann, H. Krämer, R. Kuhn, Polymeranalytik I and I, Georg Thieme Verlag, Stuttgart 1977
  • the graft polymer of the components B. I. I and B. 1 .2 a core-shell structure, wherein the component B.
  • shell 1 .1 forms the shell (also referred to as shell) and the component B.1.2) forms the core (see, for example, Ulimann's Encyclopedia of Industrial Chemistry, VCH-Veriag, Vol. A21, 1992, page 635 and page 656.
  • Component B.2
  • the composition contains as further component B.2) one or more rubber-free (co) polymers of at least one vinyl monomer, preferably selected from the group of vinyl aromatics, vinyl cyanides (unsaturated nitriles), (meth) acrylic acid (C 1 to C 8) alkyl esters , unsaturated carboxylic acids and derivatives (such as anhydrides and imides) of unsaturated carboxylic acids.
  • vinyl monomer preferably selected from the group of vinyl aromatics, vinyl cyanides (unsaturated nitriles), (meth) acrylic acid (C 1 to C 8) alkyl esters , unsaturated carboxylic acids and derivatives (such as anhydrides and imides) of unsaturated carboxylic acids.
  • component B.2 are (co) polymers
  • B.2.1 50 to 99 wt .-%, preferably 65 to 85 wt .-%, particularly preferably 70 to 80 wt .-% based on the (co) polymer B.2) at least one monomer selected from the group of vinyl aromatics (such as, for example, styrene, ⁇ -methylstyrene), ring-substituted vinylaromatics (such as, for example, p-methylstyrene, p-chlorostyrene) and (meth) acrylic acid (C 1 -C 8) -alkyl esters (such as, for example, methyl methacrylate, n-butyl acrylate, tert-butyl). Butyl acrylate) and
  • B.2.2 1 to 50 wt .-%, preferably 15 to 35 wt .-%, particularly preferably 20 to 30 wt .-% based on the (co) polymer B.2) of at least one monomer selected from the group of vinyl cyanides (Such as unsaturated nitriles such as acrylonitrile and methacrylonitrile), (meth) acrylic acid (C 1 -C 8) alkyl esters (such as methyl methacrylate, n-butyl acrylate, tert-butyl acrylate), unsaturated carboxylic acids and derivatives of unsaturated carboxylic acids (for example, maleic anhydride and N phenyl-maleimide).
  • vinyl cyanides Sud as unsaturated nitriles such as acrylonitrile and methacrylonitrile
  • acrylic acid (C 1 -C 8) alkyl esters such as methyl methacrylate, n-butyl acrylate, tert-buty
  • These (co) polymers B.2) are resinous, thermoplastic and rubber-free.
  • the copolymer of B2.1) styrene and B2.2) acrylonitrile is particularly preferred.
  • Such (co) polymers B.2) are known and can be prepared by free-radical polymerization, in particular by emulsion, suspension, solution or bulk polymerization.
  • the (co) polymers B.2) have a weight-average molecular weight (Mw), determined by gel permeation chromatography with polystyrene as standard, of preferably 50,000 to 200,000 g / mol, more preferably from 70,000 to 170000 g / mol, most preferably from 80,000 to 130000 g / mol.
  • Mw weight-average molecular weight
  • the carrier may optionally contain as component C) one or more polymer additives, preferably selected from the group consisting of flame retardants, Antidrippingffenn, Flamms chutzsynergi costs, smoke inhibitors, lubricants and defoliants, nucleating agents, antistatic agents, conductivity additives, stabilizers (eg hydrolysis, heat aging and UV stabilizers and transesterification inhibitors), flowability promoters, phase compatibility agents, other impact modifiers (both with and without core-shell structure) which differ from component B), other polymeric constituents (for example functional blend partners) other than components A) and B), filler and reinforcing materials and dyes and pigments.
  • polymer additives preferably selected from the group consisting of flame retardants, Antidrippingschn, Flamms chutzsynergi costs, smoke inhibitors, lubricants and defoliants, nucleating agents, antistatic agents, conductivity additives, stabilizers (eg hydrolysis, heat aging and UV stabilizers and transester
  • the composition comprises at least one polymer additive selected from the group consisting of lubricants and mold release agents, stabilizers, flowability promoters, phase compatibility agents, others
  • the composition contains pentaerythritol tetrastearate as the mold release agent.
  • the composition contains at least one phase compatibilizer.
  • phase compatibilizers are graft or block copolymers comprising blocks of polymers according to component A and blocks of polymers according to component B.2), optionally containing further vinyl monomers having reactive groups such as anhydride groups or epoxide groups, preferably glycidyl methacrylate.
  • the composition contains as stabilizer at least one member selected from the group consisting of sterically hindered phenols, organic phosphites and sulfur-based co-stabilizers.
  • the composition contains as stabilizer at least one member selected from the group consisting of octadecyl 3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate and tris (2,4-di-tert-butylphenyl) phosphite. Structure of the surface coating (ii)
  • a one or more layers in contact with the carrier selected from at least one member of the group consisting of polymer layers and metal layers used.
  • the coating used is a polymer film, more preferably a polyurethane foam or a compact polyurethane film, in a particularly preferred embodiment a compact polyurethane layer.
  • the polyurethane chi cht is polymerized in a preferred embodiment in direct contact with the carrier.
  • the polyurethane layer is applied to the support by a 2K RIM direct coating process, that is
  • thermoplastic composition in a first method, the melt of the thermoplastic composition is injected into a first mold cavity and subsequently cooled,
  • the polyurethane raw material mixture is polymerized in contact with the surface of the thermoplastic carrier to form a compact polyurethane layer or a polyurethane foam layer,
  • thermoplastic polyurethanes are the polymerization of the polyurethane in a first process step followed by a second process step in which the polyurethane layer is applied to the carrier in a two-component injection molding process.
  • Another alternative In an embodiment, the production of a polyurethane film is carried out in a first process step followed by a second process step in which this film is back-injected with the polycarbonate composition of the carrier (i).
  • the polyurethanes used according to the invention are obtained by reacting polyisocyanates with H-active polyfunctional compounds, preferably polyols.
  • polyurethane is also understood as meaning polyurethaneureas in which H-active polyfunctional compounds such compounds having N-H functionality are optionally used in admixture with polyols.
  • Suitable polyisocyanates are the aromatic, araliphatic, aliphatic or cycloaliphatic polyisocyanates known per se with an NCO functionality of preferably> 2, which also include iminooxadiazinedione, isocyanurate, uretdione, urethane, allophanate, biuret, urea, oxadiazinetrione, oxazoiidinone, Acylurea and / or carbodiimide structures may have. These can be used individually or in any mixtures with each other.
  • polyisocyanates are based on diisocyanates or triisocyanates known per se with aliphatic, cycloaliphatic, araliphatic and / or aromatically bound isocyanate groups, it being immaterial whether these were prepared by using phosgene or by phosgene-free processes.
  • di- or triisocyanates examples include 1,4-diisocyanatobutane, 1,5-diisocyanatopentane, 1,6-diisocyanatohexane (HDD, 2-methyl-1,5-diisocyanatopentane, 1,5-diisocyanato-2,2-dimethylpentane , 2,2,4- and 2,4,4-trimethyl-l, 6-diisocyanatohexane, 1, 10-diisocyanatodecane, 1,3- and 1, 4-diiso-xyanatocyclohexan, 1,3- and 1,4 Bis- (isocyanatomethyl) -cyclohexane, 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethylcyclohexane (isophorone diisocyanate, IPDI), 4,4'-dinocyanatodicyclohexylmethane (Desmodur TM W, Bayer AG, Le
  • the polyisocyanates preferably have an average NCO functionality of from 2.0 to 5.0, preferably from 2.2 to 4.5, particularly preferably from 2.2 to 2.7, and a content of isocyanate groups of from 5.0 to 37 , 0 wt .-%, preferably from 14.0 to 34.0 wt .-% to.
  • polyisocyanates or polyiso cyanatgemi s che of the type mentioned above are used with exclusively aliphatic and / or cycloaliphatic bound isocyanate groups.
  • the polyisocyanates of the abovementioned type are very particularly preferably based on hexamethylene diisocyanate, isophorone diisocyanate, the isomeric bis (4,4'-isocyanatocyclohexyl) methanes and mixtures thereof.
  • modified polyisocyanates are in particular the known from polyurethane chemistry prepolymers having terminal isocyanate groups in the molecular weight range 400 to 15,000, preferably 600 to 12,000 of interest. These compounds are prepared in a conventional manner by reacting excess amounts of simple polyisocyanates of the type exemplified with organic compounds having at least two isocyanate-reactive groups, in particular organic polyhydroxyl compounds. Suitable such polyhydroxyl compounds are both simple polyhydric alcohols of molecular weight range 62-599, preferably 62-200, e.g.
  • Ethylene glycol trimethylolpropane, 1,2-propanediol or 1,4-butanediol or 2,3-butanediol, but in particular higher molecular weight polyether polyols and / or polyester polyols of the type known per se from polyurethane chemistry with molecular weights of 600 to 12,000, preferably 800 to 4,000 having at least two, usually 2 to 8, but preferably 2 to 6 primary and / or secondary hydroxyl groups.
  • those NCO prepolymers can be used, for example, of low molecular weight polyisocyanates of the type exemplified and less preferred compounds with isocyanate-reactive groups such.
  • Polythioether Hydroxyl-containing polyacetals, polyhydroxypolycarbonates, hydroxyl-containing polyesteramides or hydroxyl-containing copolymers of olefinically unsaturated compounds have been obtained.
  • Suitable compounds for preparing the NCO prepolymers with isocyanate-reactive groups, in particular hydroxyl groups are, for example, the compounds disclosed in US Pat. No. 4,218,543.
  • the NCO prepolymers generally have an NCO content of 10 to 26, preferably 1 5 to 26 wt .-%.
  • Suitable aliphatic diols having an OH number of> 500 mg KOH / g are the chain extenders customarily used in polyurethane chemistry, such as ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol, 1,4-butanediol, 1,3-propanediol. Preference is given to diols such as 2-butanediol-1,4. Butanediol-1, 3, butanediol-2,3 and / or 2-Methyipropandiol- 1.3. Of course, it is also possible to use the aliphatic diols in a mixture with each other.
  • Polyols having a mean OH number of from 5 to 600 mg KOH / g and an average functionality of from 2 to 6 are suitable as the H-active component.
  • Polyols suitable according to the invention are, for example, polyhydroxypolyethers which are obtained by alkoxylation of suitable starter molecules such as ethylene glycol, diethylene glycol, 1 , 4-dihydroxybutane, 1,6-dihydroxyhexane, dimethylolpropane, glycerol, pentaerythritol, sorbitol or sucrose.
  • ammonia or amines such as ethylenediamine, hexamethylenediamine, 2,4-diaminotoluene, aniline or aminoalkohoie or phenols such as bisphenol-A.
  • the alkoxylation is carried out using propylene oxide and / or ethylene oxide in any order or as a mixture.
  • At least one further crosslinker and / or chain extender may be additionally selected from the group consisting of amines and amino alcohols, for example ethanolamine, diethanolamine, diisopropanolamine, ethylenediamine, triethanolamine, isophoronediamine, N, N'-dimethyl (diethyi) -ethylenediamine, 2 -amino-2-methyl (or ethyl) -1-propanol, 2-amino-1-butanol, 3-amino-1,2-propanediol.
  • amines and amino alcohols for example ethanolamine, diethanolamine, diisopropanolamine, ethylenediamine, triethanolamine, isophoronediamine, N, N'-dimethyl (diethyi) -ethylenediamine, 2 -amino-2-methyl (or ethyl) -1-propanol, 2-amino-1-butanol, 3-amino-1,2-propanedi
  • 2-amino-2-methyl (ethyl) -1,3-propanediol and alcohols, for example ethylene glycol, diethylene glycol, 1,4-dihydroxybutane, 1,6-dihydroxyhexane, dimethylolpropane, glycerol and pentaerythritol, as well as sorbitol and sucrose, or mixtures contains these compounds.
  • polyester polyols are also suitable, as they are accessible by reacting low molecular weight alcohols with polybasic carboxylic acids such as adipic acid, phthalic acid, hexahydrophthalic acid, tetrahydrophthalic acid or the anhydrides of these acids in a conventional manner, unless the viscosity of the H-active component is too large.
  • a preferred polyol having ester groups is castor oil.
  • preparations with castor oil such as those obtained by dissolving resins, for example aldehyde-ketone Resins that can be obtained as well as modifications of castor oil and polyols based on other natural oils are suitable.
  • polyhydroxypolyethers in which high molecular weight polyadducts or polycondensates or polymers in finely dispersed, dissolved or grafted form are present.
  • modified polyhydroxy compounds are prepared in a manner known per se, e.g. when polyaddition reactions (for example reactions between polyisocyanates and amino-functional compounds) or polycondensation reactions (for example between formaldehyde and phenols and / or amines) take place in situ in the hydroxyl-containing compounds.
  • polyaddition reactions for example reactions between polyisocyanates and amino-functional compounds
  • polycondensation reactions for example between formaldehyde and phenols and / or amines
  • vinyl polymer-modified polyhydroxyl compounds such as those described in U.S. Pat. obtained by polymerization of styrene and acrylonitrile in the presence of polyethers or polycarbonate polyols are suitable for the preparation of polyurethanes.
  • Polyetherpoiyolen soft according to DE-A 2 442 101, DE-A 2 844 922 and DE-A 2 646 141 by graft polymerization with vinylphosphonic and optionally (meth) acrylonitrile, (meth) acrylamide or OH-functional (meth) acrylic acid esters were modified, we obtain plastics of particular flame retardancy.
  • H-active compounds Representatives of said compounds to be used as H-active compounds are e.g. in High Polymers, Vol. XVI, "Polyurethanes Chemistry and Technology", Saunders-Frisch (ed.) Interscience Pubishers, New York, London, Vol. 1, pp. 32-42, 44, 54 and Vol. II. 1984, 5-6 and pages 198-199.
  • the polyurethane layer (b) can be foamed or solid, such as present as a paint or coating.
  • auxiliaries and additives such as release agents, blowing agents, fillers, catalysts and flame retardants can be used.
  • auxiliaries and admixtures are to be used: a) water and / or volatile inorganic or organic substances as propellant
  • organic propellants are e.g. Acetone, ethyl acetate, halogen-substituted alkanes such as methylene chloride, chloroform, ethylidene chloride, vinylidene chloride, monofluorotrichloromethane, Chlordi fluoromethane, dichlorodifluoromethane, butane, hexane, heptane or diethyl ether, as inorganic blowing agents air, C02 or N20 in question.
  • organic propellants are e.g. Acetone, ethyl acetate, halogen-substituted alkanes such as methylene chloride, chloroform, ethylidene chloride, vinylidene chloride, monofluorotrichloromethane, Chlordi fluoromethane,
  • a blowing effect can also be achieved by the addition of compounds decomposing at temperatures above room temperature with elimination of gases, for example nitrogen, e.g. Azo compounds such as azodicarbonamide or Azoisobutterklarenitril be achieved.
  • gases for example nitrogen, e.g. Azo compounds such as azodicarbonamide or Azoisobutterklarenitril be achieved.
  • the catalysts are, for example, tertiary amines (such as triethylamine, tributylamine, N-methylmorpholine, N-ethylmorpholine, ⁇ , ⁇ , ⁇ ', ⁇ '-tetramethylethylenediamine, pentamethyldiethylenetriamine and higher homologs, 1, 4-diazabicyclo- (2,2 , 2) octane, - methyl-N'-dimethylaminoethylpiperazine, bis (dimethylaminoalkyl) piperazines, N, N-dimethylbenzylamine, N, N-dimethylcyclohexylamine, ⁇ , ⁇ -diethylbenzylamine, bis (N, N-diethylamino-ethyl) adipate , N, N, N ', N'-tetramethyl-1,3-butanediamine, N, N-dimethyl-.beta.-phen
  • Suitable tin compounds in addition to sulfur-containing compounds such as di-n-octyl-tin-mercaptide are preferably tin (II) salts of carboxylic acids such as tin (II) acetate, tin (II) octoate, tin (II) ethylhexoate and tin ( II) laurate and the tin (IV) compounds, for example dibutyltin oxide, dibutyltin dichloride, dibutyltin diacetate, dibutyltin dilaurate, dibutyltin maleate or dioctyltin diacetate.
  • Organic bismuth catalysts are described, for example, in patent application WO 2004/000905. Of course, all the catalysts mentioned above can be used as mixtures.
  • the catalysts are generally used in an amount of about 0.001 to 10 wt .-%, based on the total amount of compounds having at least two isocyanate-reactive hydrogen atoms.
  • Surface-active additives such as emulsifiers and foam stabilizers.
  • emulsifiers are e.g. the sodium salts of castor oil sulfonates or salts of fatty acids with amines such as diethylamine or diethanolamine stearic acid.
  • alkali metal or ammonium salts of sulfonic acids such as dodecylbenzenesulfonic acid or dinaphthylmethanedisulfonic acid or of fatty acids such as ricinic acid or of polymeric fatty acids can also be used as surface-active additives.
  • Suitable foam stabilizers are in particular polyethersiloxanes, especially water-soluble representatives. These compounds are generally designed so that a copolymer of ethylene oxide and propylene oxide is connected to a Polydimethylsiloxanrest. Of particular interest are branched polysiloxane-polyoxyalkylene copolymers, often via allophanate groups. d) reaction retarder
  • reaction retarder e.g. acidic substances (such as hydrochloric acid or organic acid halides) in question.
  • additives e.g. acidic substances (such as hydrochloric acid or organic acid halides) in question.
  • As PU additives are, for example, cell rule of the known type (such as paraffins or fatty alcohols) or dimethylpolysiloxane e and pigments or dyes and Flame retardants of the type known per se (for example tri-chloroethyl phosphate, tricresyl phosphate or ammonium phosphate and polyphosphate), furthermore stabilizers against aging and weathering influences, plasticizers and fungistatic and bacteriostatic substances and fillers (such as barium sulfate, kieselguhr, carbon black or whiting) into consideration.
  • cell rule of the known type such as paraffins or fatty alcohols
  • Flame retardants of the type known per se for example tri-chloroethyl phosphate, tricresyl phosphate or ammonium phosphate and polyphosphate
  • plasticizers and fungistatic and bacteriostatic substances and fillers such as bar
  • thermoplastic molding compositions can be prepared.
  • thermoplastic molding compositions according to the invention can for example be prepared by mixing the respective constituents of the compositions in a known manner and at temperatures of preferably 200 ° C to 320 ° C, more preferably at 240 to 300 ° C in conventional units such as internal kneaders, extruders and twin-screw screws are melt-compounded and melt-extruded.
  • the mixing of the individual constituents of the compositions can be carried out in a known manner both successively and simultaneously, both at about 20 ° C (room temperature) and at a higher temperature. This means that, for example, some of the components can be metered via the main intake of an extruder and the remaining components can be fed later via a side extruder in the compounding process.
  • the molding compositions of the invention can be used for the preparation of carriers of any kind. These can be produced for example by injection molding, extrusion and blow molding. Another form of processing is the production of carriers by deep drawing from previously prepared plates or films.
  • composite components according to the invention are coated films, profiles, housing parts of any kind, eg for household appliances such as juice presses, coffee machines, mixers; for office machines such as monitors, flat screens, notebooks, printers, copiers; Panels, pipes, electrical installation ducts, windows, doors and other profiles for the construction sector (interior fittings and outdoor applications) and electrical and electronic parts such as switches, plugs and sockets and components for commercial vehicles, especially for the automotive sector, interior fittings for rail vehicles, ships, aircraft, buses and other motor vehicles, body parts for motor vehicles, housings of Kl eintrans formators containing electrical appliances, housing for information processing equipment and
  • thermoplastic composition containing at least the following constituents A) from 45 to 90% by weight, based on the sum of all constituents of the composition, of at least one polymer selected from the group consisting of polycarbonate, polyester, polyestercarbonate and polyamide,
  • Graft bases wherein the polymer chains formed from the monomers Bl. I) are chemically bonded to the graft base Bl .2) or enclosed in the graft base in such a way that they do not escape from this graft base during the production and processing of the compositions according to the invention and B.2) one or more rubber-free (co) polymers of at least one vinyl monomer and C) 0 to 30 wt .-%, based on the sum of all components of the composition, one or more polymer additives, wherein the rubber content B.1.2) related to component B), at 10 to 40
  • component B) contains at least 20% by weight of vinyl (co) polymer B.2) not chemically bonded to the graft base or enclosed in this gypsum base;
  • the coating is a polyurethane coating.
  • Composite component according to one of the preceding embodiments wherein the content of rubber B.1.2) based on the component B), at 15 to 35 wt .-%, is located. 5. composite component according to one of the previous embodiments, wherein the content of rubber B.! .2) based on the component B), at 20 to 30 wt .-%, is located. 6. Composite component according to one of the preceding embodiments, wherein component B) is at least 30% by weight, based on component B), of vinyl (co) polymer B 2 not bound chemically to the graft base or enclosed in this graft base. contains. 7.
  • Composite component according to one of the preceding embodiments wherein component B) is at least 40% by weight, based on component B), of vinyl (co) polymer B 2 not bound chemically to the graft base or enclosed in this graft base. contains. 8. Composite component according to one of the previous embodiments, the content of the
  • Component B.2) based on the sum of components A), B) and C) in the range of 5 to 40 wt .-% is.
  • Composite component according to one of the preceding embodiments wherein the content of component B.2) based on the sum of components A), B) and C) is in the range from 10 to 30% by weight.
  • component B as a rubber at least one rubber selected from the group consisting of diene rubbers, mixtures of diene rubbers and copolymers of
  • component C. contains.
  • Composite component according to one of the preceding embodiments in which the carrier (i) has a phase structure in a layer which is 5 to 10 ⁇ m below the boundary surface of the carrier (i) for coating (ii), characterized in that the rubber-modified vinyl (co) polymer according to component B) in component A) is dispersed in phases with a respective ratio of the geometric extension parallel to the melt orientation in the thermoplastic preparation of the support to the geometric extension perpendicular to the support surface, determined by transmission electron microscopy Os04 / u04 double-peak trastring of ⁇ 7.
  • Composite component according to one of the preceding embodiments in which the support (i) has a phase structure in a layer which is 5 to 10 ⁇ m below the boundary surface of the support (i) for the coating (ii), characterized in that the rubber-modified vinyl (co) polymer according to component B) in component A) is dispersed in phases with a respective ratio of the geometric extension parallel to the melt orientation in the thermoplastic production of the carrier to the geometric extension perpendicular to the SuoberAetze, determined by transmission electron microscopy after Os04 / Ru04 double contrast, ⁇ 5.
  • component C is selected from the group consisting of flame retardants, anti-dripping agents,
  • Flame retardant synergists smoke inhibitors, lubricants and mold release agents, nucleating agents, antistatic agents, conductivity additives, stabilizers, flowability promoters, phase compatibility agents, other impact modifiers different from component B.I), other polymeric constituents, fillers and reinforcing materials as well as dyes and pigments other than components A) and B).
  • phase compatibility agent is a graft or block copolymer comprising blocks of polymers according to component A and blocks of polymers according to component B.2), optionally containing further vinyl monomers with reactive groups selected from anhydride groups and epoxide groups ,
  • phase compatibility agent comprises styrene, acrylonitrile and glycidyl methacrylate.
  • the carrier has a phase structure which lies in a layer which is 5 to 10 ⁇ m below the boundary surface of the carrier (i) for coating (ii) characterized in that the rubber-modified vinyl (co) polymer according to component B) in component A) is dispersed in phases having a respective ratio of geometric expansion parallel to the melt flow in the thermoplastic Production of the support to the geometric extent perpendicular to the support surface, determined by transmission electron microscopy after Os04 / Ru04 double contrast, of ⁇ 5, is present.
  • Component A is a compound having Component A:
  • Bisphenol A-based linear polycarbonate having a weight-average molecular weight Mw of 32,000 g / mol (determined by GPC in methylene chloride against a bisphenol A-PC standard).
  • the gel content of the component Bl measured as acetone-insoluble fraction, is 78 wt .-%, that is, component Bl contains 22 wt .-% not chemically bonded to the rubber base or included in the rubber base vinyl (co) polymer component B-2 :
  • Styrene-acrylonitrile copolymer having an acrylonitrile content of 24% by weight and having a weight-average molecular weight Mw of 102,000 g / mol (determined by G C against a polystyrene standard).
  • Component Cl
  • the polyurethane coating system used was a mixture of Desmophen TM XP 2488 (polyol component) and Desmodur TM N3600 (polyisocyanate component), both from Covestro, Leverkusen, Germany, in a mixing ratio of 1: 1, 7 parts by weight.
  • Desmophen TM P 2488 is a branched polyester polyol with a viscosity according to DI 53019 (version of 2008) of 13250 mPa.s at 20 ° C, a density according to DIN 51757 (version of 201 1) of 1, 12 g / cm 3 at 20 ° C and an OH content of 16.0%.
  • Desmodur TM N3600 is an aliphatic isocyanate based on hexamethylene diisocyanate with an NCO content according to DIN EN ISO 1 1909 (version of 2007) of 23.5 wt .-%, a viscosity at 23 ° C according to DIN EN ISO 3219 / A.
  • Partially surface coated moldings having an area of 412 cm 2 were produced on an injection molding machine in an injection mold having two cavities (a substrate-side cavity and a polyurethane-side cavitation cavity which was linked to a RIM installation).
  • the composite component is a plate-shaped component made of thermoplastic material with a composition according to Table 1 (carrier) whose surface has been partially coated with a polyurethane layer.
  • the wall thickness of the carrier molding was about 4 mm.
  • the polyurethane layer thickness was about 200 ⁇ .
  • the inventive method for producing the composite components according to the invention described in the examples is shown in Figure 1 for better illustration. In the first process step, the carrier molding was produced.
  • thermoplastic granules of the compositions as described in Table 1 was melted in an injection cylinder and injected at a temperature of 270 ° C in the first mold cavity of the closed mold (steps I and 2 in Figure 1). This mold cavity was heated to a temperature of 80 ° C. After expiration of the holding pressure time and cooling time, which led to solidification of the carrier, the tool was opened in the second process step (step 3 in Figure 1). The produced carrier component was held on the ejector side of the injection mold and moved from the carrier position (step 3 in Figure 1) completely with the tool core via a slider in the coating position (step 4 in Figure 1).
  • the injection mold was closed again (step 5 in Figure 1), a closing force for a maximum pressure of 200 bar was constructed and in the third process, the solvent-free reactive polyurethane system (see above) injected under a pressure of about 30 bar into the coating cavity (Step 6 in Figure I).
  • the two reactive components of the polyurethane coating system were conveyed by the RIM system into a high-pressure countercurrent mixing head and mixed there before being injected.
  • the polyurethane-side cavity was tempered to a temperature of 80 ° C.
  • the injection nozzle of the polyurethane mixing head was sealed by means of a hydraulic cylinder under a pressure of initially 50 bar to prevent backflow of the coating material.
  • the tool was opened a second time in the fourth process step (step 7 in FIG. 1) and the coated molded part removed (step 8 in FIG. 1).
  • Figure 2 shows a near-surface TEM image of a non-inventive composite component (containing a support of the composition according to Comparative Example 1 in Table 1) after roller peel test, that is, after removal of the polyurethane coating.
  • the TEM image shows a lamellar phase morphology of strongly stretched rubber-modified styrene-acrylonitrile copolymer domains dispersed in a polycarbonate matrix to a depth of approximately 10 ⁇ m (ie in the entire image).
  • Ratio of the geometric extension parallel to the melt flow direction in the thermoplastic preparation of the carrier to the geometric extension perpendicular to the carrier surface) of all rubber-modified styrene-acrylonitrile copolymer domains is> 20.
  • the surface of the composite component after roller peeling test has a comparatively low roughness
  • FIG. 3 shows a near-surface TEM action of a composite component according to the invention (containing a support from the composition according to Example 2 in Table 1) after roller peel test, that is to say after removal of the polyurethane coating.
  • a composite component according to the invention containing a support from the composition according to Example 2 in Table 1
  • roller peel test that is to say after removal of the polyurethane coating.
  • a 0.5-4 ⁇ thick layer of the PC / ABS substrate composition which shows that the "delamination” on a cohesive failure in the carrier material in a layer 0.5-4 ⁇ below the
  • the TEM image shows a disperse phase morphology largely isotropic to a depth of about 10 ⁇ m (that is to say in the entire image), that is to say it reverses rubber-modified styrene-acrylonitrile copolymer domains dispersed in a continuous polycarbonate -
  • the aspect ratio (ratio of the geometric extension parallel to the melt flow direction in the thermoplastic preparation of the carrier to the geometric extension perpendicular to the carrier surface) of the rubber-modified styrene-acrylonitrile copolymer domains is ⁇ 5 in all cases.
  • the surface of the composite component after RollenInl Melt has a comparatively high roughness.
  • FIG. 4 shows a surface-distant TEM image of a composite component not according to the invention comprising a support of the composition according to FIG Comparative Example I in Table 1.
  • the TEM uptake shows a coarse-disperse phase morphology of largely isotropic, that is, undrawn, rubber-modified styrene-acrylonitrile copolymer domains dispersed in a continuous polycarbonate.
  • FIG. 5 shows a surface-distant TEM image of a composite component according to the invention comprising a support of the composition according to Example 2 in Table 1.
  • the TEM image shows a finely dispersed phase morphology of largely isotropic, that is undrawn, rubber-modified styrene-acrylonitrile copolymer domains dispersed in a continuous polycarbonate matrix.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La présente invention concerne un élément composite présentant une meilleure adhérence entre couches, ledit élément comprenant un support (i) composé d'un mélange de polymères thermoplastiques et un revêtement (ii), le support (i) présentant, dans une couche située entre 5 et 10 μm au-dessous de l'interface entre le support (i) et le revêtement (ii), une structure à phases non lamellaires dispersées, ainsi qu'un procédé de fabrication dudit élément composite.
EP17821921.8A 2016-12-28 2017-12-22 Élément composite Pending EP3562869A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16207039 2016-12-28
PCT/EP2017/084281 WO2018122137A1 (fr) 2016-12-28 2017-12-22 Élément composite

Publications (1)

Publication Number Publication Date
EP3562869A1 true EP3562869A1 (fr) 2019-11-06

Family

ID=57850851

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17821921.8A Pending EP3562869A1 (fr) 2016-12-28 2017-12-22 Élément composite

Country Status (4)

Country Link
US (1) US11559951B2 (fr)
EP (1) EP3562869A1 (fr)
CN (1) CN110088178B (fr)
WO (1) WO2018122137A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11351743B2 (en) * 2018-07-24 2022-06-07 The Boeing Company Co-consolidation of thermoplastic parts
DE102020133876A1 (de) 2020-12-17 2022-06-23 Bayerische Motoren Werke Aktiengesellschaft Fahrzeug-Zierbauteil mit einem Konturlicht
WO2024017706A1 (fr) * 2022-07-18 2024-01-25 Covestro Deutschland Ag Procédé de production d'un composant composite avec un support comprenant du polycarbonate d'une teneur spécifique en oh

Family Cites Families (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL104015C (fr) 1953-10-16
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
BE585496A (fr) 1958-12-12
US3028635A (en) 1959-04-17 1962-04-10 Schlumberger Cie N Advancing screw for gill box
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.
FR1580834A (fr) 1968-01-04 1969-09-12
US3644574A (en) 1969-07-17 1972-02-22 Eastman Kodak Co Shaped articles of blends of polyesters and polyvinyls
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
US3879348A (en) 1970-12-22 1975-04-22 Bayer Ag Saponification-resistant polycarbonates
DE2063050C3 (de) 1970-12-22 1983-12-15 Bayer Ag, 5090 Leverkusen Verseifungsbeständige Polycarbonate, Verfahren zu deren Herstellung und deren Verwendung
US4013613A (en) 1971-10-01 1977-03-22 General Electric Company Reinforced intercrystalline thermoplastic polyester compositions
DE2211956A1 (de) 1972-03-11 1973-10-25 Bayer Ag Verfahren zur herstellung verseifungsstabiler blockcopolycarbonate
JPS5039599B2 (fr) 1973-03-30 1975-12-18
DE2407567A1 (de) 1974-02-16 1975-09-18 Bayer Ag Thermoplastische massen
DE2407776A1 (de) 1974-02-19 1975-09-04 Licentia Gmbh Schaltung zur regelung der betriebsspannung fuer die transistor-zeilenendstufe eines fernsehempfaengers
DE2442101A1 (de) 1974-09-03 1976-03-11 Bayer Ag Phosphor- und gegebenenfalls stickstoff-enthaltende polymere
US4218543A (en) 1976-05-21 1980-08-19 Bayer Aktiengesellschaft Rim process for the production of elastic moldings
DE2646141A1 (de) 1976-10-13 1978-04-20 Bayer Ag Phosphor und gegebenenfalls stickstoff enthaltende polymere
DE2715932A1 (de) 1977-04-09 1978-10-19 Bayer Ag Schnellkristallisierende poly(aethylen/alkylen)-terephthalate
DE2844902A1 (de) 1978-10-14 1980-04-30 Agfa Gevaert Ag Negativ arbeitende mit waessrigen alkaliloesungen entwickelbare lichtvernetzbare schichten
DE2844922A1 (de) 1978-10-14 1980-04-30 Kabel Metallwerke Ghh Verfahren zur herstellung eines waermetauschers
DE3571608D1 (en) 1984-06-12 1989-08-24 Ciba Geigy Ag O,p-bifunctionalised, o'-substituted phenols
JPS6162039A (ja) 1984-09-04 1986-03-29 Fuji Xerox Co Ltd 電子写真用感光体
JPS6162040A (ja) 1984-09-04 1986-03-29 Fuji Xerox Co Ltd 電子写真用感光体
JPS61105550A (ja) 1984-10-29 1986-05-23 Fuji Xerox Co Ltd 電子写真用感光体
ES2107999T3 (es) 1988-07-11 1997-12-16 Gen Electric Procedimiento para preparar policarbonatos.
DE3844633A1 (de) 1988-08-12 1990-04-19 Bayer Ag Dihydroxydiphenylcycloalkane, ihre herstellung und ihre verwendung zur herstellung von hochmolekularen polycarbonaten
NO170326C (no) 1988-08-12 1992-10-07 Bayer Ag Dihydroksydifenylcykloalkaner
DE4238123C2 (de) 1992-11-12 2000-03-09 Bayer Ag Verfahren zur Herstellung von thermoplastischen Polycarbonaten
US5717057A (en) 1994-12-28 1998-02-10 General Electric Company Method of manufacturing polycarbonate
DE19746265A1 (de) 1997-10-20 1999-04-22 Bayer Ag Verbunde aus Polyurethan und einem thermoplastischen Material
DE19933132A1 (de) 1999-07-19 2001-01-25 Bayer Ag Verfahren zur Herstellung von modifizierten Polycarbonaten
DE19933128A1 (de) 1999-07-19 2001-01-25 Bayer Ag Polycarbonat und dessen Formkörper
RU2315780C2 (ru) 2002-06-21 2008-01-27 Ректисел Микроячеистый или неячеистый светоустойчивый полиуретановый материал и способ его приготовления
DE10300598A1 (de) 2003-01-10 2004-07-22 Bayer Ag Verfahren zur Herstellung von Polycarbonaten
DE102006033059A1 (de) 2006-07-14 2008-01-17 Huperz Automotive Systems Gmbh & Co.Kg Kunststoff-Innenraumteil für ein Kraftfahrzeug und eine Vorrichtung zum Herstellen von Kunststoff-Innenraumteilen
DE102009035807A1 (de) 2009-08-01 2011-02-03 Bayer Materialscience Ag Verbesserte Haftung zwischen Thermoplasten und Polyurethan
US20110135934A1 (en) * 2009-12-08 2011-06-09 Bayer Materialscience Ag Process For The Production Of Polyurethane Composite Components
US8852744B2 (en) * 2009-12-08 2014-10-07 Bayer Materialscience Ag Composite components with improved adhesion of polycarbonate/polyester compositions and polyurethane
JP6212248B2 (ja) * 2012-07-30 2017-10-11 住友化学株式会社 樹脂組成物およびその製造方法
JP2015536377A (ja) * 2012-11-20 2015-12-21 アイエムフラックス インコーポレイテッド ヒドロキシル化脂質を含む熱可塑性ポリマー組成物の成形方法
CN105658397B (zh) 2013-10-18 2019-05-14 科思创德国股份有限公司 对聚氨酯层具有改善粘合性的聚碳酸酯组合物
MX2016004931A (es) 2013-10-18 2016-12-20 Covestro Deutschland Ag Composiciones de policarbonato que tienen adhesion mejorada a capas de poliuretano.
EP3058016B1 (fr) 2013-10-18 2017-08-02 Covestro Deutschland AG Compositions de polycarbonate ayant une adhérence améliorée aux couches de polyuréthane

Also Published As

Publication number Publication date
US11559951B2 (en) 2023-01-24
US20190352500A1 (en) 2019-11-21
CN110088178A (zh) 2019-08-02
CN110088178B (zh) 2022-09-06
WO2018122137A1 (fr) 2018-07-05

Similar Documents

Publication Publication Date Title
EP2509764B1 (fr) Procédé de fabrication d'éléments composites à base de polyuréthane et utilisation desdits éléments composites
EP2459625B1 (fr) Adhérence améliorée entre des matières thermoplastiques et des polyuréthanes
EP2509788B1 (fr) Éléments composites à adhérence améliorée réalisés à partir de compositions de polycarbonate / polyester et de polyuréthane
EP2798007B1 (fr) Composition polymère dotée d'une adhérence améliorée
EP3057754B1 (fr) Compositions de polycarbonate ayant une adhérence améliorée aux couches de polyuréthane
EP3058016B1 (fr) Compositions de polycarbonate ayant une adhérence améliorée aux couches de polyuréthane
EP1414905B1 (fr) Compositions de polycarbonate pour une meilleure adherence de la mousse
US10934429B2 (en) Polycarbonate compositions having improved adhesion to polyurethane layers
EP3562869A1 (fr) Élément composite
EP2899008B1 (fr) Procédé de moulage par injection pour la fabrication d'un élément composite avec structuration de surface dans la zone de contact des couches afin d'améliorer l'adhérence
JP7111697B2 (ja) カバー層及びｐｃ／ａｂｓ層を備える多層コンポジット物品ならびにその方法
DE102009058180A1 (de) Verfahren zur Herstellung von Polyurethan-Verbundbauteilen
EP4021977B1 (fr) Composition de polycarbonate ignifuge et pièces moulées et articles fabriqués à partir de cette composition
EP3655481A1 (fr) Composition chargée en talc et matière à mouler thermoplastique
DE102009058182A1 (de) Verbundbauteile mit verbesserter Haftung aus Polycarbonat- / Polyesterzusammensetzungen und Polyurethan
WO2024017706A1 (fr) Procédé de production d'un composant composite avec un support comprenant du polycarbonate d'une teneur spécifique en oh

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20190729

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: COVESTRO DEUTSCHLAND AG

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20221209

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: COVESTRO DEUTSCHLAND AG