EP1817375A1 - Matiere plastique a mouler teintee opaque qui reflechit les rayons infrarouges - Google Patents

Matiere plastique a mouler teintee opaque qui reflechit les rayons infrarouges

Info

Publication number
EP1817375A1
EP1817375A1 EP05798159A EP05798159A EP1817375A1 EP 1817375 A1 EP1817375 A1 EP 1817375A1 EP 05798159 A EP05798159 A EP 05798159A EP 05798159 A EP05798159 A EP 05798159A EP 1817375 A1 EP1817375 A1 EP 1817375A1
Authority
EP
European Patent Office
Prior art keywords
meth
molding
acrylate
colored
plastic
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Withdrawn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
EP05798159A
Other languages
German (de)
English (en)
Inventor
Klaus Schultes
Ernst Becker
Ursula Golchert
Elisabeth Clamer
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.)
Roehm GmbH Darmstadt
Original Assignee
Evonik Roehm GmbH
Roehm GmbH Darmstadt
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
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Application filed by Evonik Roehm GmbH, Roehm GmbH Darmstadt filed Critical Evonik Roehm GmbH
Publication of EP1817375A1 publication Critical patent/EP1817375A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • 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
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10—Homopolymers or copolymers of methacrylic acid esters
    • C08L33/12—Homopolymers or copolymers of methyl methacrylate
    • 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
    • C08J2325/00—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
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
    • C08J2325/04—Homopolymers or copolymers of styrene
    • C08J2325/08—Copolymers of styrene
    • C08J2325/12—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
    • C08J2333/00—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/04—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C08J2333/06—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C08J2333/10—Homopolymers or copolymers of methacrylic acid esters
    • C08J2333/12—Homopolymers or copolymers of methyl methacrylate
    • 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
    • C08J2433/00—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2251—Oxides; Hydroxides of metals of chromium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions 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; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/08—Copolymers of styrene
    • C08L25/12—Copolymers of styrene with unsaturated nitriles

Definitions

  • the invention relates to covered colored, infrared-reflecting poly (meth) acrylate molding compositions which can be applied as an IR barrier layer to other plastic moldings.
  • the corresponding molding compounds are also processed into coextrusion layers or as cover layers of back-injected parts. These layers serve as cover layer u. a. of films, plates, profiles and tubes whose main component or carrier layer consist of partially different plastics. These plastics, such as. As PVC, polystyrene, polycarbonate, ABS and ASA, have other important properties such as impact resistance and / or low price.
  • Examples of applications for these co-extrudates or injection-molded articles include construction applications such as downpipes and window frames; Automotive applications, such as roof modules, exterior and interior covers (screens), spoilers and mirror housings; Household and sports applications, such as tool covers, outdoor panels for boats and ski films.
  • PMMA covered colored poly (meth) acrylate
  • DE 27 19 170 (Dynamit Nobel) describes a method for protecting PVC layers against sunlight by a permanently applied to the PVC layer layer, which is equipped with both UV stabilizers and IR reflectors.
  • IR reflectors bleach chromate, molybdate red, molybdate orange, chromium oxide green, antimony sulfide, cadmium sulfoselenide, cadmium sulfide, anthraquinone black pigment, anthraquinone dark blue pigment, monoazo pigment or phthalocyanine are used. Some of these pigments are no longer allowed today.
  • As the material for the cover layer an unspecified PMMA is described.
  • DE 26 05 325 (Dynamit Nobel) also describes a process for the protection of PVC surfaces, the applied protective layer is inked so opaque that in the IR region as high a reflection and in the UV range as low as possible permeability is achieved.
  • the goal is achieved by using at least one IR-reflecting black or color pigment.
  • the pigment used in the examples is titanium dioxide or anthraquinone black in combination with a UV absorber.
  • WO 00/24817 (Ferro) describes corundum hematite structures in the oxides of aluminum, antimony, bismuth, boron, chromium, cobalt, gallium, indium, iron, lanthanum, lithium, magnesium, manganese, molybdenum, neodymium, nickel, niobium , Silicon, tin are involved. task
  • the heating of the plastic moldings by direct sunlight must not exceed a permissible level.
  • the heating must not be so great that the article expands beyond a level and temperatures above the glass transition temperature of the molding are achieved.
  • such a window frame can distort irreversibly and can not be opened
  • the color pigments used themselves must also be weather-stable, also toxicologically safe and inexpensive.
  • the colored molding compounds should be easy to process, the formulation should be stable at the processing temperatures.
  • Shaped bodies which consist of or are coated with conventionally dark-colored PMMA.
  • dark colored molding compositions can be prepared without the thus equipped plastic molding or molded therewith produced body heats up too much in sunlight.
  • the "dark” property can be defined by the L * value in accordance with DIN 6174 (01/1979): Colorimetric determination of color differences in body colors according to the CieLAB formula For the dark-covered colored molding compositions, the L * value is CieLab at less than 51, preferably less than 41, and most preferably less than 31.
  • the pigments or their mixtures are incorporated in amounts of from 0.05 to 5.0% by weight into the molding compositions, preferably from 0.075 to 3.0% by weight, and very particularly preferably from 0.1 to 2% by weight. %.
  • colorants which are suitable for coloring PMMA molding compositions, in addition to the variation of the color can be used.
  • These colorants can be both IR-reflective - eg titanium dioxide - and not IR-reflective.
  • the proportion of these additional colorants may be between 0 and 3.0 wt .-%, preferably between 0 and 2.5 wt .-% and particularly preferably between 0 and 2.0 wt .-% based on the molding composition.
  • the molding compound Plexiglas ® 7N is used as a PMMA component. It is commercially available from Röhm GmbH & Co. KG.
  • the molding compositions of the present invention contain poly (meth) acrylates.
  • the term (meth) acrylates include methacrylates and acrylates as well as mixtures of both.
  • Poly (meth) acrylates are known in the art. These polymers are generally obtained by radical polymerization of mixtures containing (meth) acrylates.
  • (meth) acrylates derived from saturated alcohols, such as, for example, methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, n-butyl (meth) acrylate, tert-butyl ( meth) acrylate, pentyl (meth) acrylate and 2-ethylhexyl (meth) acrylate;
  • Aryl (meth) acrylates such as benzyl (meth) acrylate or
  • Phenyl (meth) acrylate wherein the aryl radicals may each be unsubstituted or substituted up to four times;
  • Cycloalkyl (meth) acrylates such as 3-vinylcyclohexyl (meth) acrylate,
  • Hydroxylalkyl (meth) acrylates such as
  • Glycol di (meth) acrylates such as 1,4-butanediol (meth) acrylate,
  • compositions to be polymerized may also contain further unsaturated monomers which are copolymerizable with the abovementioned (meth) acrylates.
  • these compounds in an amount of 0 to 50 wt .-%, preferably 0 to 40 wt .-% and particularly preferably 0 to 20 wt .-%, based on the weight of the monomers used, wherein the comonomers individually or can be used as a mixture.
  • 1-alkenes such as hexene-1, heptene-1
  • branched alkenes such as vinylcyclohexane, 3,3-dimethyl-i-propene, 3-methyl-1-diisobutylene, 4-methylpentene-1
  • 1-alkenes such as hexene-1, heptene-1
  • branched alkenes such as vinylcyclohexane, 3,3-dimethyl-i-propene, 3-methyl-1-diisobutylene, 4-methylpentene-1
  • Vinyl esters such as vinyl acetate
  • Styrene substituted styrenes having an alkyl substituent in the side chain, such as. ⁇ -methylstyrene and ⁇ -ethylstyrene, substituted styrenes having an alkyl substituent on the ring such as vinyltoluene and p-methylstyrene, halogenated styrenes such as monochlorostyrenes, dichlorostyrenes, tribromostyrenes and tetrabromostyrenes;
  • Heterocyclic vinyl compounds such as 2-vinylpyridine, 3-vinylpyridine, 2-methyl-5-vinylpyridine, 3-ethyl-4-vinylpyridine, 2,3-dimethyl-5-vinylpyridine, vinylpyrimidine, vinylpiperidine, 9-vinylcarbazole, 3-vinylcarbazole, 4-vinylcarbazole, 1-vinylimidazole, 2-methyl-1-vinylimidazole, N-vinylpyrrolidone, 2-vinylpyrrolidone, N-vinylpyrrolidine, 3-vinylpyrrolidine, N-vinylcaprolactam, N-vinylbutyrolactam, vinyloxolane, vinylfuran, vinylthiophene, vinylthiolane, vinylthiazoles and hydrogenated vinylthiazoles, vinyloxazoles and hydrogenated vinyloxazoles;
  • Maleic acid derivatives such as maleic anhydride, methylmaleic anhydride, maleimide, methylmaleimide; and dienes, such as divinylbenzene.
  • the polymerization is generally started with known free-radical initiators.
  • the preferred initiators include the azo initiators well known in the art, such as AIBN and I .i-azobiscyclohexanecarbonitrile, and peroxy compounds such as methyl ethyl ketone peroxide, acetylacetone peroxide, dilauryl peroxide, tert-butyl per-2-ethylhexanoate, ketone peroxide, methyl isobutyl ketone peroxide, cyclohexanone peroxide, dibenzoyl peroxide tert-butyl peroxybenzoate, tert-butyl peroxyisopropyl carbonate, 2,5-bis (2-ethylhexanoylperoxy) -2,5
  • These compounds are often used in an amount of 0.1 to 10 wt .-%, preferably from 0.5 to 3 wt .-%, based on the total weight of the monomers.
  • Preferred poly (meth) acrylates are obtainable by polymerization of mixtures which are at least 20% by weight, in particular at least 60% by weight and particularly preferably at least 80% by weight, based in each case on the total weight of the monomers to be polymerized, of methyl methacrylate exhibit.
  • various poly (meth) acrylates can be used which differ, for example, in molecular weight or in the monomer composition.
  • the molding compositions may contain other polymers to modify the properties. These include, but are not limited to, polyacrylonitriles, polystyrenes, polyethers, polyesters, polycarbonates and polyvinyl chlorides. These polymers can be used individually or as a mixture, wherein copolymers which are derivable from the aforementioned polymers, the molding compositions can be added. These include, in particular styrene-acrylonitrile polymers (SAN), which are preferably added to the molding compositions in an amount of up to 45 wt .-%.
  • SAN styrene-acrylonitrile polymers
  • Particularly preferred styrene-acrylonitrile polymers can be obtained by the polymerization of mixtures consisting of 70 to 92 wt .-% styrene 8 to 30 wt .-% of acrylonitrile and
  • the proportion of poly (meth) acrylates is at least 20% by weight, preferably at least 60% by weight and particularly preferably at least 80% by weight.
  • Such particularly preferred molding compositions are commercially available under the trade name PLEXIGLAS® from Rohm GmbH & Co. KG.
  • the weight-average molecular weight M w of the homo- and / or copolymers to be used according to the invention as matrix polymers can vary within wide limits, the molecular weight usually being matched to the intended use and the method of processing of the molding composition. In general, however, it is in the range between 20,000 and 1,000,000 g / mol, preferably 50,000 to 500,000 g / mol, and more preferably 80,000 to 300,000 g / mol, without this being intended to limit this.
  • the following substances were used as colorants:
  • compositions of the individual examples are documented in Appendix 1.
  • thermocouple of 0.5 mm diameter was fixed with Tesa ® Film.
  • a 3 mm thick Plexiglas ® GS White 003 plate (40 mm * 21 mm) was pressed into the Rohacell ® .
  • the sample with thermocouple was then attached with double-sided adhesive Tesa ® photo stripping.
  • the irradiation of the sample was carried out with a 60 W incandescent lamp controlled by 220V (AC stabilizer). Vertical distance between lower edge of glass bulb and sample 50 mm. After 20 minutes of irradiation, the temperature was read. The measurement of the heating took place in accordance with the standard ASTM D4803-97.
  • the reflection spectra are shown in Table 3 (brown with 3 mm thick Plexiglas GS White 003 plate), Table 4 (black with 3 mm thick Plexiglas GS White 003 plate) and Table 5 (brown colors without 3 mm thick Plexiglas GS White 003 plate) ,

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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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Optical Filters (AREA)
  • Paints Or Removers (AREA)

Abstract

La présente invention concerne des matières à mouler en PMMA teintées opaques (brun, gris, noir, vert) qui réfléchissent les rayons infrarouges. Selon cette invention, ces matières à mouler peuvent être appliquées sur d'autres corps moulés en matière plastique en tant que couche bloquant les rayons infrarouges.
EP05798159A 2004-12-01 2005-10-25 Matiere plastique a mouler teintee opaque qui reflechit les rayons infrarouges Withdrawn EP1817375A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004058083A DE102004058083A1 (de) 2004-12-01 2004-12-01 Gedeckt eingefärbte, infrarotreflektierende Kunststoffformmasse
PCT/EP2005/011408 WO2006058584A1 (fr) 2004-12-01 2005-10-25 Matiere plastique a mouler teintee opaque qui reflechit les rayons infrarouges

Publications (1)

Publication Number Publication Date
EP1817375A1 true EP1817375A1 (fr) 2007-08-15

Family

ID=35456138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05798159A Withdrawn EP1817375A1 (fr) 2004-12-01 2005-10-25 Matiere plastique a mouler teintee opaque qui reflechit les rayons infrarouges

Country Status (14)

Country Link
US (2) US8378021B2 (fr)
EP (1) EP1817375A1 (fr)
JP (1) JP2008521978A (fr)
KR (1) KR100875050B1 (fr)
CN (1) CN100564442C (fr)
BR (1) BRPI0516664A (fr)
CA (1) CA2584660A1 (fr)
DE (1) DE102004058083A1 (fr)
HK (1) HK1109163A1 (fr)
MX (1) MX304099B (fr)
RU (1) RU2357985C2 (fr)
SG (3) SG157396A1 (fr)
TW (1) TWI374905B (fr)
WO (1) WO2006058584A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010029169A1 (de) 2010-05-20 2011-11-24 Evonik Röhm Gmbh Formmasse oder Beschichtungssystem (PMMA-frei) mit IR reflektierenden Eigenschaften in Kombination mit einer PMMA-haltigen Deckschicht oder Folie
WO2014177393A1 (fr) 2013-04-29 2014-11-06 Evonik Industries Ag Composites feuilletés élastomère-ppma à propriétés améliorées

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DE10260089A1 (de) * 2002-12-19 2004-07-01 Röhm GmbH & Co. KG Verfahren zur Herstellung von wässrigen Dispersionen
DE102004022540A1 (de) 2004-05-05 2005-12-08 Röhm GmbH & Co. KG Formmasse für Formkörper mit hoher Witterungsbeständigkeit
DE102006029613A1 (de) * 2006-06-26 2007-12-27 Röhm Gmbh Transparenter Kunststoff-Verbund
DE102007005428A1 (de) * 2007-01-30 2008-07-31 Evonik Röhm Gmbh Formmassen für mattierte PMMI-Formkörper
DE102007005432A1 (de) * 2007-01-30 2008-07-31 Evonik Röhm Gmbh Formmassen für mattierte Polyacrylat-Formkörper
DE102007026201A1 (de) * 2007-06-04 2008-12-11 Evonik Röhm Gmbh Eingefärbte Zusammensetzung mit erhöhter Spannungsrissbeständigkeit
DE102007026200A1 (de) * 2007-06-04 2008-12-11 Evonik Röhm Gmbh Zusammensetzung mit erhöhter Spannungsrissbeständigkeit
DE102007028601A1 (de) 2007-06-19 2008-12-24 Evonik Röhm Gmbh Reaktivgemisch zur Beschichtung von Formkörpern mittels Reaktionsspritzguss sowie beschichteter Formkörper
DE102007029263A1 (de) * 2007-06-22 2008-12-24 Evonik Röhm Gmbh PMMA/PVDF-Folie mit besonders hoher Witterungsbeständigkeit und hoher UV-Schutzwirkung
DE102007051482A1 (de) 2007-10-25 2009-04-30 Evonik Röhm Gmbh Verfahren zur Herstellung von beschichteten Formkörpern
DE102007059632A1 (de) * 2007-12-10 2009-06-18 Evonik Röhm Gmbh Formkörper mit matter und strukturierter Oberflächenbeschaffenheit
DE102008001231A1 (de) * 2008-04-17 2009-10-22 Evonik Röhm Gmbh Flammfeste PMMA-Formmasse
DE102008001695A1 (de) * 2008-05-09 2009-11-12 Evonik Röhm Gmbh Poly(meth)acrylimide mit verbesserten optischen und Farbeigenschaften, insbesondere bei thermischer Belastung
DE102008041338A1 (de) * 2008-08-19 2010-02-25 Evonik Röhm Gmbh Einfärbeprozess für Poly(meth)acrylate mit Flüssigfarben auf Wasserbasis und Flüssigfarben auf Wasserbasis
DE102009045122A1 (de) 2009-09-29 2011-03-31 Evonik Röhm Gmbh Verfahren und Anlage zur Einfärbung von Kunststoffformmassen
AU2010100089B4 (en) * 2010-01-28 2011-08-18 Fornells Sa A plastic running rail
DE102011006185A1 (de) 2011-03-28 2012-10-04 Evonik Röhm Gmbh Transparente bzw. semitransparente Bauteile mit reduzierter Gesamtsolartransmission bzw. erhöhter Gesamtsolarreflexion
CN102181217B (zh) * 2011-04-14 2013-01-23 广州立邦涂料有限公司 彩色反射隔热涂料及其色卡
JP5595363B2 (ja) * 2011-09-30 2014-09-24 富士フイルム株式会社 穴付き積層体の製造方法、穴付き積層体、多層基板の製造方法、下地層形成用組成物
ES2720925T3 (es) 2012-12-20 2019-07-25 Covestro Deutschland Ag Masas de moldeo de policarbonato coloreadas de manera opaca que contienen pigmentos reflectantes de IR
GB2534594B (en) * 2015-01-29 2017-05-31 Colour Tone Masterbatch Ltd A substantially non-infrared absorbing black colourant
WO2018091556A1 (fr) 2016-11-17 2018-05-24 Covestro Deutschland Ag Corps multicouche transparent pour la gestion de la chaleur
CN109937138B (zh) 2016-11-17 2022-04-19 科思创德国股份有限公司 用于热管理的由聚碳酸酯制成的不透明多层体
EP3967491A1 (fr) 2020-09-15 2022-03-16 Röhm GmbH Feuilles réfléchissant la chaleur présentant de meilleures propriétés mécaniques et une haute résistance aux intempéries
EP4377386A1 (fr) 2021-07-30 2024-06-05 Röhm GmbH Masse à mouler thermoplastique opaque légèrement colorée

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DE2544245A1 (de) * 1975-10-03 1977-04-14 Roehm Gmbh Infrarot-reflektierendes verglasungsmaterial

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US20120282396A1 (en) 2012-11-08
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SG157396A1 (en) 2009-12-29
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