EP2355937A1 - Revêtements multicouches colorants et/ou à effet comprenant des peintures sans pigment à la place de charges, leur fabrication et leur utilisation - Google Patents

Revêtements multicouches colorants et/ou à effet comprenant des peintures sans pigment à la place de charges, leur fabrication et leur utilisation

Info

Publication number
EP2355937A1
EP2355937A1 EP09748252A EP09748252A EP2355937A1 EP 2355937 A1 EP2355937 A1 EP 2355937A1 EP 09748252 A EP09748252 A EP 09748252A EP 09748252 A EP09748252 A EP 09748252A EP 2355937 A1 EP2355937 A1 EP 2355937A1
Authority
EP
European Patent Office
Prior art keywords
coating agent
coating
pigments
systems according
paint systems
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Withdrawn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
EP09748252A
Other languages
German (de)
English (en)
Inventor
Jörg KRAMES
Hitoshi Taniguchi
Egon Wegner
Michael Richert
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.)
BASF Coatings GmbH
BASF Japan Ltd
Original Assignee
BASF Coatings GmbH
BASF Coatings Japan Ltd
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 BASF Coatings GmbH, BASF Coatings Japan Ltd filed Critical BASF Coatings GmbH
Publication of EP2355937A1 publication Critical patent/EP2355937A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more
    • B05D7/57—Three layers or more the last layer being a clear coat
    • B05D7/572—Three layers or more the last layer being a clear coat all layers being cured or baked together
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more
    • B05D7/57—Three layers or more the last layer being a clear coat
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24851—Intermediate layer is discontinuous or differential
    • Y10T428/24868—Translucent outer layer

Definitions

  • the present invention relates to colored and / or effect multicoat systems on substrates. Furthermore, the invention relates to a process for their preparation and their use.
  • paint finishes are broad: for example, they should fulfill a protective or decorative function.
  • coatings should have chemical and physical resistance.
  • the decorative aspects are created by attractive colors as well as smooth and shiny surfaces.
  • coatings for the user are user-friendly, d. H. be low maintenance.
  • Optimum surface appearance is an essential requirement for the coating result, including, for example, gloss, fullness, freedom from fog as well as uniformity and consistency in hue and effect formation (see Ulrich Zorll (ed.): Lehrbuch der Lacktechnologie, 2nd edition 2000) , Vincentz Verlag, Hannover, ISBN 3-87870-569-7, pages 326-327).
  • a vehicle OEM finish is typically constructed by applying a filler to a corrosion protection layer that provides, inter alia, stone chip protection and UV resistance. He also supports the perception of color and appearance. A basecoat, responsible for color and appearance, and then a clear coat are applied over it. The clearcoat serves to maintain and increase the resistance and the appearance.
  • the patent application US 2003/0059617 A1 describes a multi-layer coating of three layers, which is applied to an electrodeposition coating.
  • the coating comprises a filler (primer), a basecoat and a clearcoat film.
  • the coating is applied in the "3 coat 1 bake” process, whereby the filler contains at least 10% pigment based on the Total weight of pigment and solid resin. Lowering the pigment content leads to poor appearance of the paint.
  • DE 102004028368 A1 discloses a process for producing a multicoat system.
  • the multicoat system is made up of, where appropriate, a primer (for example an electrodeposition coating), a first color and / or effect basecoat, a second colorant and / or effect
  • Basecoat and a clearcoat The usual filler layer is replaced by a basecoat containing at least one pigment and / or effect pigment, at least one UV-absorbing pigment and talc.
  • the clearcoat is applied twice. As a result, a second application and a second drying are required. Alternatively, the layer thickness of the clearcoat is increased, but this leads to runners or cratering such as cookers.
  • the object of the present invention was to eliminate the disadvantages of the prior art described above.
  • Color and / or effect multicoat paint systems should be made available, which should have an improved appearance with consistently good stone chip resistance and UV resistance, especially for substrates with poor surface qualities such as rough surfaces.
  • the multi-layer coatings should take into account economic aspects, according to which can be achieved by the new multi-layer coatings cost savings compared to coatings of the prior art at the same time increased Appearance.
  • the paintwork (A) replaces the primer coat.
  • the surface shape of a lacquer layer or a substrate is characterized summarily. It can be determined quantitatively on the basis of a reference standard or with reference to a roughness measure (see Ulrich Zorll (ed.): Rompp Lexikon Lacke und Druckmaschine, 1998, Georg Thieme Verlag, Stuttgart, ISBN 3-13-776001-1, keyword Roughness) ,
  • the pigment-free coatings (A) therefore have no pigments.
  • Pigments are powdery or platelet-shaped colorants which, in contrast to dyes, are insoluble in the surrounding medium (compare Ulrich Zorll (ed.): Rompp Lexikon Lacke und Druckmaschine, 1998, Georg Thieme Verlag, Stuttgart, ISBN 3-13-776001-1 Keywords pigments, colorants, dyes).
  • the pigments are to be understood as meaning both color and / or effect pigments and also functional pigments, such as corrosion, antistonechip and UV absorption pigments.
  • the transparent coating (A) is obtained from a transparent, in particular optically clear, thermally and / or with actinic radiation curable coating agent (A '), in particular a clearcoat.
  • Actinic radiation is understood to mean electromagnetic radiation, such as near infrared (NIR), visible light, UV radiation, X-radiation, and gamma radiation, in particular UV radiation, and corpuscular radiation, such as electron radiation, beta radiation, proton radiation, neutron radiation and alpha radiation, in particular electron radiation.
  • Suitable clearcoats of the coating composition (A ') are all customary and known one-component (IK), two-component (2K) or multi-component (3K, 4K) clearcoats, powder clearcoats, powder slurry clearcoats or UV curable clearcoats.
  • Thermally curable one-component (IK), two-component (2K) or multi-component (3K, 4K) clearcoats are known, for example, from the patent applications DE 42 04 518 A1, EP 0 594068 A1, EP 0 594071 A1, EP 0 594 142 A1, EP 0 604 992 A1 or EP 0 596 460 A1 to international patent applications WO 94/10211, WO 94/10212, WO 94/10213, WO 94/22969 or WO 92/22615 or US Pat. Nos. 5,474,811 A, 5,356,669 A or US Pat 5,605,965 A known.
  • One-component (1K) clearcoat materials are known to contain hydroxyl-containing binders and crosslinking agents such as blocked polyisocyanates, tris (alkoxycarbonylamino) triazines and / or aminoplast resins.
  • crosslinking agents such as blocked polyisocyanates, tris (alkoxycarbonylamino) triazines and / or aminoplast resins.
  • they contain as binders polymers with pendant carbamate and / or allophanate groups and carbamate- and / or allophanate-modified aminoplast resins as crosslinking agents (see US Pat. Nos.
  • Two-component (2K) or multi-component (3K, 4K) clearcoat materials contain, as essential constituents, hydroxyl-containing binders and polyisocyanates as crosslinking agents, which are stored separately until they are used.
  • Thermally curable powder clearcoats are known, for example, from German patent application DE 42 22 194 A1, the product information of BASF Lacke + Wegner AG, "Powder coatings", 1990 or the company publication of BASF Coatings AG "Powder coatings, powder coatings for industrial applications", January 2000 , known. Powder clearcoats contain, as essential constituents, epoxide group-containing binders and polycarboxylic acids as crosslinking agents.
  • powder slurry clearcoats are known from US Pat. No. 4,268,542 A1 and patent applications DE 195 40 977 A1, DE 195 18 392 A1, DE 196 17 086 A1, DE 196 13 547 A1, EP 0 652 264 A1, DE 196 18 657 A1, DE 196 52 813 A1, DE 196 17 086 A1 or DE 198 14 471 A1.
  • Powder slurry clearcoats are known to contain powder clearcoats dispersed in an aqueous medium.
  • Transparent and radiation-curable clearcoats, powder clearcoats and powder slurry clearcoats are described, for example, in the patent applications DE 198 18 735 A1, WO 98/40170, DE 199 08 013 A1, DE 199 08 018 A1, EP 0 844 286 A1 or EP 0 928 800 A1.
  • thermally curable or thermally and with actinic radiation curable clearcoats are used as the coating agent (A '). It is preferable that the coating agent (A ') is an aqueous coating agent.
  • the color and / or effect paint (B) is obtained from a color and / or effect, thermally and / or actinic radiation curable coating agent (B '), in particular a basecoat.
  • the coating agent (B ') is an aqueous coating agent.
  • the coating agent (B ') contains at least one coloring and / or effect pigment.
  • the pigment is selected from the group consisting of organic and inorganic, coloring, optically effecting, color and optically effecting, fluorescent and phosphorescent pigments, in particular from the group consisting of organic and inorganic, coloring, optically effecting, color and optical effect pigments selected.
  • Suitable effect pigments which may also be coloring, are metal flake pigments, such as commercial aluminum bronzes, aluminum chromates chromated according to DE 36 36 183 A1, and commercial stainless steel bronzes, and non-metallic effect pigments, such as pearlescent or interference pigments, platelet-shaped effect pigments based on iron oxide which has a hue of pink to brown-red or liquid crystalline effect pigments.
  • metal flake pigments such as commercial aluminum bronzes, aluminum chromates chromated according to DE 36 36 183 A1
  • non-metallic effect pigments such as pearlescent or interference pigments, platelet-shaped effect pigments based on iron oxide which has a hue of pink to brown-red or liquid crystalline effect pigments.
  • suitable inorganic color pigments are white pigments such as zinc white, zinc sulfide or lithopone; Black pigments such as soot, iron manganese black or spinel black; Colored pigments such as chromium oxide, chromium oxide hydrate green, cobalt green or ultramarine green, cobalt blue, ultramarine blue or manganese blue, ultramarine violet or cobalt and manganese violet, iron oxide red, cadmium sulfoselenide, molybdate red or ultramarine red; Iron oxide brown, mixed brown, Spinel and corundum phases or chromium orange; or iron oxide yellow, nickel titanium yellow, chromium titanium yellow, cadmium sulfide, cadmium zinc sulfide, chrome yellow or bismuth vanadate.
  • white pigments such as zinc white, zinc sulfide or lithopone
  • Black pigments such as soot, iron manganese black or spinel black
  • Colored pigments such as
  • organic coloring pigments examples include monoazo pigments, bisazo pigments, anthraquinone pigments, benzimidazole pigments,
  • Quinacridone pigments quinophthalone pigments, diketopyrrolopyrrole pigments, dioxazine pigments, indanthrone pigments, isoindoline pigments, isoindolinone pigments, azomethine pigments, thioindigo pigments, metal complex pigments, perinone pigments, perylene pigments, phthalocyanine pigments or aniline black.
  • fluorescent and phosphorescent pigments are bis (azomethine) pigments.
  • the broom (B ') may contain functional pigments such as magnetically shielding, electrically conductive, corrosion-inhibiting, UV-absorbing or stone impact protection pigments.
  • magnétiqueally shielding pigments are pigments based on iron oxides or chromium dioxide.
  • suitable electrically conductive pigments are titanium dioxide / tin oxide pigments.
  • suitable corrosion-inhibiting pigments are lead silicates, zinc phosphates or zinc borates.
  • An example of a suitable stone impact protection pigment is talc.
  • the UV-absorbing pigments are selected from the group consisting of titanium dioxide pigments and carbon black pigments. At least one titanium dioxide pigment and at least one carbon black pigment are preferably used.
  • the content of functional pigments in (B ') can vary very widely and depends on the requirements of the individual case.
  • the content of functional pigment in (B '), based on the solids of (B'), is preferably from 0.001 to 6% by weight, particularly preferably from 0.01 to 5% by weight, in particular from 0.01 to 4 wt .-%.
  • the content of pigments in the coating agent (B ') can vary very widely and depends primarily on the intensity of the effects, in particular the optical effects, and / or the hue that is or should be adjusted.
  • the coating (C) is obtained from a transparent, in particular optically clear, thermally and / or curable with actinic radiation coating agent (C), in particular a clearcoat obtained.
  • Suitable clearcoats of the coating composition (C) are all clearcoats, which are also suitable as coating compositions (A ').
  • the coating agent (C) may be the same or different from the coating agent (A ').
  • the coating compositions (C) may contain functional, effect-giving and / or transparent, colored pigments.
  • the coating composition (C) contains at least one functional pigment.
  • Functional pigments can be used to improve the properties of the multicoat paint system, such as UV resistance and stone chip protection.
  • the substrates to which the multicoat paint system according to the invention is applied may be composed of a wide variety of materials and combinations of materials. Preferably, they consist of metals, plastics, glass, wood, leather, textile, ceramic or natural stone, preferably of metals, plastics and glass, in particular of metals and plastics.
  • the multicoat system of the invention is particularly advantageous for substrates with a rough surface.
  • the substrates can have a wide variety of uses.
  • the substrates are bodies of vehicles, including watercraft, rail vehicles, aircraft, powered vehicles and motor vehicles, especially cars, motorcycles, trucks and buses, and parts thereof; Structures and parts thereof; Doors, windows; Furniture; industrial hardware; mechanical, optical and electronic components; Coils, containers; Emballagen, glass hollow body and everyday objects.
  • the substrates are preferably bodies of motor vehicles and their parts. Particularly preferred are cars and their parts.
  • the bodies are provided with a primer (G).
  • primers (G) are prepared in a conventional manner from electrophoretic, in particular cathodically depositable electrodeposition paints.
  • the resulting electrodeposition coating layers (G) can be thermally cured before the application of the aqueous whitening agent (A '). But they can also only be dried and not or only partially cured, after which they are cured together with the other layers (A), (B) and (C).
  • primers (G) aluminum oxide layers produced by anodic oxidation are used as primers (G), which as such do not need to be further hardened.
  • attachments made of plastics, these are preferably provided with a conventional and well-known Hydro groundtechnik (G), or the adhesion properties of their surface are improved by means of chemical and / or physical processes.
  • primers (G) generally do not have to be hardened.
  • the invention relates to a method for producing the multicoat paint systems of the invention on substrates.
  • the finishes (A), (B) and (C) are produced by successive application of at least one coating agent (A '), at least one coating agent (B ') and at least one further coating agent (A') on an (i) ungrounded substrate,
  • the coating compositions (A '), (B') and (C) can be applied by means of all customary and known methods for the application of liquid coating compositions. However, it is advantageous for the method according to the invention if they are applied by means of the pneumatic spray application or the electrostatic spray application (ESTA), preferably with high-rotation bells.
  • ESA electrostatic spray application
  • the applied layers (A), (B) and (C) are thermally cured together. If the coating agent (A ') is also curable with actinic radiation, a post-curing by irradiation with actinic radiation still takes place. If the optionally used primer (G) is not yet cured, it is cured in this process step with.
  • Curing can take place after a certain rest period. It may have a duration of 30 seconds to 2 hours, preferably 1 minute to 1 hour and especially 1 to 45 minutes.
  • the rest period serves, for example, for the course and degassing of the paint layers or for the evaporation of volatile constituents.
  • the rest period can be supported and / or shortened by the application of elevated temperatures up to 90 ° C. and / or by a reduced air humidity ⁇ 10 g water / kg air, in particular ⁇ 5 g / kg air, provided that this is the case no damage or changes in the paint layers occur, such as premature complete crosslinking.
  • the thermal curing has no special features, but takes place according to the usual and known methods such as heating in a convection oven or irradiation with IR lamps. Here, the thermal curing can also be done gradually.
  • Another preferred curing method is near infrared (NIR) curing. Particularly preferred is a method in which the component water is rapidly removed from the wet layers. Suitable processes of this kind are described, for example, by Roger Talbert in Industrial Paint & Powder, 04/01, pages 30 to 33, “Curing in Seconds with NIR", in electroplating, volume 90 (11), pages 3098 to 3100, or “Lackiertechnik, NIR drying every second of liquid and powder coatings ".
  • NIR near infrared
  • the thermal curing is carried out at a temperature of 50 to 170, more preferably 60 to 165 and in particular 80 to 150 0 C for a time of 1 minute to 2 hours, more preferably 2 minutes to 1 hour and especially 3 to 30 minutes .
  • the thermal curing can be supplemented by curing with actinic radiation, in particular with UV radiation.
  • actinic radiation in particular with UV radiation.
  • the customary and known methods and devices can be used, as described for example in German Patent Application DE 199 20 799 A1, page 11, lines 5 to 21 described.
  • the present invention relates to the use of the multi-layer coating for the coating of substrates.
  • the multicoat system according to the invention is preferably used in the series coating of motor vehicle bodies and their parts, preferably for cars, in particular passenger cars of the upper class.
  • test panels consist of steel substrates (body panels) which were coated with two customary and known cathodically deposited and baked electrodeposition coatings (CG500 and CG320, layer thickness 20 ⁇ m in each case).
  • test panels were measured after cathodic electrodeposition coating with a perthometer and the roughness (RA values) determined.
  • the panels were pre-dried with a commercially available water-based paint silver metallic (Colorbright BASF Coatings) for 10 min at 80 0 C, cooled and with a commercially available two-component polyurethane clearcoat (EVERGLOSS®, BASF Coatings, layer thickness 40 ⁇ m).
  • a commercially available water-based paint silver metallic Colorbright BASF Coatings
  • a commercially available two-component polyurethane clearcoat (EVERGLOSS®, BASF Coatings, layer thickness 40 ⁇ m).
  • the water-based basecoat layer and clearcoat layer obtained was baked at 130 ° C. for 30 minutes.
  • the transparent layer of the present invention showed no differences in longwave and shortwave values at different roughnesses.
  • the standard setup in the comparative experiment however, showed worse longwave and shortwave values for worse roughness (CG320).

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)

Abstract

L'invention concerne des revêtements multicouches colorants et/ou à effet appliqués sur des substrats, qui sont superposés dans l'ordre suivant, (A) au moins une peinture sans pigment, (B) au moins une peinture colorante et/ou à effet et (C) une peinture transparente. L'invention concerne également leur procédé de fabrication et leur utilisation.
EP09748252A 2008-11-03 2009-11-02 Revêtements multicouches colorants et/ou à effet comprenant des peintures sans pigment à la place de charges, leur fabrication et leur utilisation Withdrawn EP2355937A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008054283A DE102008054283A1 (de) 2008-11-03 2008-11-03 Farb- und/oder effektgebende Mehrschichtlackierungen mit pigmentfreien Lackierungen als Füller-Ersatz, ihre Herstellung und Verwendung
PCT/EP2009/007832 WO2010060523A1 (fr) 2008-11-03 2009-11-02 Revêtements multicouches colorants et/ou à effet comprenant des peintures sans pigment à la place de charges, leur fabrication et leur utilisation

Publications (1)

Publication Number Publication Date
EP2355937A1 true EP2355937A1 (fr) 2011-08-17

Family

ID=41559931

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09748252A Withdrawn EP2355937A1 (fr) 2008-11-03 2009-11-02 Revêtements multicouches colorants et/ou à effet comprenant des peintures sans pigment à la place de charges, leur fabrication et leur utilisation

Country Status (7)

Country Link
US (1) US20110274896A1 (fr)
EP (1) EP2355937A1 (fr)
JP (1) JP5734195B2 (fr)
KR (1) KR20110094033A (fr)
CN (2) CN104741303A (fr)
DE (1) DE102008054283A1 (fr)
WO (1) WO2010060523A1 (fr)

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US9023431B2 (en) 2011-09-19 2015-05-05 Basf Se Method for coating light alloy rims
EP2570197A1 (fr) * 2011-09-19 2013-03-20 Basf Se Procédé destiné au revêtement de jantes en métal léger
CN102538608A (zh) * 2011-12-26 2012-07-04 苏州工业园区广福汽保机电设备有限公司 汽车用内窥镜探测头标尺
WO2013144127A1 (fr) * 2012-03-28 2013-10-03 Akzo Nobel Coatings International B.V. Procédé d'application d'un revêtement en poudre
JP6363615B2 (ja) 2012-12-03 2018-07-25 ビーエーエスエフ コーティングス ゲゼルシャフト ミット ベシュレンクテル ハフツングＢＡＳＦ Ｃｏａｔｉｎｇｓ ＧｍｂＨ エフェクト及び／または色彩付与多層塗膜塗装系ならびにそれを製造する方法、ならびにそれを使用する方法
DE102013005100A1 (de) 2013-03-23 2014-09-25 Volkswagen Aktiengesellschaft Verfahren
WO2016116131A1 (fr) 2015-01-19 2016-07-28 Hewlett-Packard Indigo B.V. Procédés d'impression
US10042274B2 (en) 2015-01-19 2018-08-07 Hp Indigo B.V. Primer composition and method
US10197935B2 (en) 2015-01-19 2019-02-05 Hp Indigo B.V. Liquid electrophotographic composition
CN113072863A (zh) * 2021-03-25 2021-07-06 深圳Tcl数字技术有限公司 预涂装金属板材、背板、显示装置及背板的制作方法

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CN102202803A (zh) 2011-09-28
JP2012507388A (ja) 2012-03-29
DE102008054283A1 (de) 2010-06-02
CN104741303A (zh) 2015-07-01
KR20110094033A (ko) 2011-08-19
JP5734195B2 (ja) 2015-06-17
US20110274896A1 (en) 2011-11-10

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