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SE500931C2 - A process for coating a metal surface in three steps, including coating with a chlorine-free plastisol - Google Patents

A process for coating a metal surface in three steps, including coating with a chlorine-free plastisol

Info

Publication number
SE500931C2
SE500931C2 SE9300562A SE9300562A SE500931C2 SE 500931 C2 SE500931 C2 SE 500931C2 SE 9300562 A SE9300562 A SE 9300562A SE 9300562 A SE9300562 A SE 9300562A SE 500931 C2 SE500931 C2 SE 500931C2
Authority
SE
Sweden
Prior art keywords
layer
chlorine
free
coating
foil
Prior art date
Application number
SE9300562A
Other languages
Swedish (sv)
Other versions
SE9300562D0 (en
SE9300562L (en
Inventor
Karl Lage Holmberg
Original Assignee
Becker Ind Ab
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 Becker Ind Ab filed Critical Becker Ind Ab
Priority to SE9300562A priority Critical patent/SE500931C2/en
Publication of SE9300562D0 publication Critical patent/SE9300562D0/en
Priority to PCT/SE1994/000111 priority patent/WO1994019113A1/en
Priority to CN94191242A priority patent/CN1118148A/en
Priority to EP94908537A priority patent/EP0684877A1/en
Priority to CA002154682A priority patent/CA2154682A1/en
Priority to JP6518876A priority patent/JPH08506759A/en
Publication of SE9300562L publication Critical patent/SE9300562L/en
Publication of SE500931C2 publication Critical patent/SE500931C2/en

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
    • B05D7/58—No clear coat specified
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/082—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising vinyl resins; comprising acrylic resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/0038—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving application of liquid to the layers prior to lamination, e.g. wet laminating
    • 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
    • B05D2202/00—Metallic substrate
    • 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
    • B05D2252/00—Sheets
    • B05D2252/02—Sheets of indefinite length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/06—Coating on the layer surface on metal layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
    • B32B2309/105—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2311/00—Metals, their alloys or their compounds
    • B32B2311/24—Aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2311/00—Metals, their alloys or their compounds
    • B32B2311/30—Iron, e.g. steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2327/00—Polyvinylhalogenides
    • B32B2327/12—Polyvinylhalogenides containing fluorine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2333/00—Polymers of unsaturated acids or derivatives thereof
    • B32B2333/04—Polymers of esters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2375/00—Polyureas; Polyurethanes

Landscapes

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

Abstract

A continuous process for surface coating of metal substrates on a coil coating line is described wherein as a first layer a paint material with adhesive properties is applied and dried and directly upon the hot paint surface of the first layer a clear, chlorine-free plastic sheet or foil is applied and cooled and on the cool plastic sheet or foil a pigmented, chlorine-free paint is applied and cured.

Description

son 931 2 plastfilmen eller folien direkt på den varma färgytan. son 931 2 the plastic film or foil directly on the warm color surface.

Plastfolien anbringas direkt på den varma färgytan genom lami- nering, exempelvis med användning av en tryckvals.The plastic foil is applied directly to the warm color surface by lamination, for example using a pressure roller.

Med hjälp av förfarandet enligt föreliggande uppfinning erhålles en treskikts-ytbeläggning som tillhandahåller ett mycket gott korrosionsskydd åt metallsubstratet.By means of the method according to the present invention, a three-layer surface coating is obtained which provides a very good corrosion protection for the metal substrate.

Det andra skiktet, den klorfria plastfilmen eller folien, har en tjocklek av från 10 till 300 pm.The second layer, the chlorine-free plastic film or foil, has a thickness of from 10 to 300 μm.

Det tredje skiktet, den pigmenterade, klorfria färgen, anbringas i en tjocklek av från 10 till 150 um torr film, lämpligen från 10 till 50 pm.The third layer, the pigmented, chlorine-free paint, is applied in a thickness of from 10 to 150 μm dry film, preferably from 10 to 50 μm.

Det är tidigare känt att behandla bandplåt, som exempelvis kommer från en rulle, genom färgning med ett primer-skikt och genom an- bringning av ett toppskikt ovanpå primer-skiktet. Endast en be- gränsad grad av korrosionsbeständighet för den sålunda belagda metallpláten erhålles därigenom beroende på en viss porositet i beläggningsskiktmaterialen.It is previously known to treat strip sheet, which comes from a roll, for example, by dyeing with a primer layer and by applying a top layer on top of the primer layer. Only a limited degree of corrosion resistance of the metal sheet thus coated is thereby obtained due to a certain porosity in the coating layer materials.

Det är även tidigare känt att behandla ytan hos exempelvis en metallplåt genom att först anbringa ett adhesivskikt och därefter anbringa en plastfilm. Även i detta fall erhålles en begränsad korrosionsbeständighet beroende på det faktum att adhesivskiktet är så tunt.It is also previously known to treat the surface of, for example, a metal sheet by first applying an adhesive layer and then applying a plastic film. Also in this case a limited corrosion resistance is obtained due to the fact that the adhesive layer is so thin.

Dessutom är det tidigare känt från EP 0.233.179 att använda PVC- plastisoler som skikt på metallplàt och även PVC-folier som det översta skiktet. Detta ger emellertid upphov till miljöförore- ningsproblem när klorerade material brytes ned antingen 'vid användning eller vid recirkulering, och ger även upphov till en försämrad bindning av den totala beläggningen till det under- liggande metallsubstratet med tiden beroende på migrering av mjukningsmedel, såsom ftalater, till gränsytan mellan metallsub- 500 931 stratet och beläggningen.In addition, it is previously known from EP 0,233,179 to use PVC plastisols as a layer on sheet metal and also PVC foils as the top layer. However, this gives rise to environmental pollution problems when chlorinated materials are degraded either during use or in recycling, and also gives rise to a deterioration of the overall coating to the underlying metal substrate over time due to migration of plasticizers, such as phthalates. to the interface between the metal substrate 500 931 and the coating.

Som metallmaterial med allmänt plana ytor vilka kan behandlas med ytbeläggningsförfarandet enligt föreliggande uppfinning kan näm- nas följande: kallvalsat stål, metalliserat stål, rostfritt stål, galvaniserat stål, aluminium etc.As the metal material having generally planar surfaces which can be treated by the coating process of the present invention, the following can be mentioned: cold-rolled steel, metallized steel, stainless steel, galvanized steel, aluminum, etc.

Vid beläggningen av metallplåtmaterialen förbehandlas metallplá- ten lämpligen kemiskt medelst vanliga metoder, såsom betning, fosfatering, kromatering etc.When coating the sheet metal materials, the sheet metal is suitably chemically pretreated by conventional methods, such as pickling, phosphating, chromating, etc.

Uppfinningen åskådliggöres medelst följande exempel: Exempel 1 I en konventionell bandlackeringsanläggning anbringas följ ande på 0,8 mm varmgalvaniserad stàlplåt, kemiskt förbehandlad med Bonder 1303 (fosfateringsmedel från Metallgesellschaft GmbH, Tysk1and); Första skikt: En vattenbaserad akrylfärg (68760-34, Coilon laqua från Becker Industrifärg) anbringas genom valsning (reverse roller coat) till en tjocklek av 10-25 um torr film, torkning/- härdning vid l80°C PMT (peak metal temperature).The invention is illustrated by the following examples: Example 1 In a conventional strip coating plant, the following is applied to 0.8 mm hot-dip galvanized steel sheet, chemically pretreated with Bonder 1303 (phosphating agent from Metallgesellschaft GmbH, Germany); First coat: A water-based acrylic paint (68760-34, Coilon laqua from Becker Industrifärg) is applied by rolling (reverse roller coat) to a thickness of 10-25 μm dry film, drying / curing at 180 ° C PMT (peak metal temperature) .

Andra skikt: Direkt på det tidigare varma skiktet anbringas en klar termoplastisk akrylfilm (Korad från Polymer Extruded Products Inc., USA) och i en tjocklek av 75 um genom laminerings- vals och ett tryck av 3,5 kp/cm2.Second layer: Directly on the previously hot layer, a clear thermoplastic acrylic film (Korad from Polymer Extruded Products Inc., USA) is applied and in a thickness of 75 μm by lamination roller and a pressure of 3.5 kp / cm2.

Tredje skikt: Efter att det andra skiktet har kylts anbringas ett vattenbaserat akryltoppskikt (EJ 644-9302, Coilon Acrylic latex från Becker Industrifärg AB) i en tjocklek av 20 um torr film, genom valsning (reverse roller coat), torkning/härdning vid l80°C PMT.Third layer: After the second layer has cooled, a water-based acrylic top coat (EJ 644-9302, Coilon Acrylic latex from Becker Industrifärg AB) is applied in a thickness of 20 μm dry film, by rolling (reverse roller coat), drying / curing at 180 ° C PMT.

Exempel 2 Samma som i exempel 1 med följande undantag: I stället för varmgalvaniserat stål, förbehandlat med "Bonder son 931 4 1303" användes Alu-zink-belagt stål.Example 2 Same as in Example 1 with the following exceptions: Instead of hot-dip galvanized steel, pretreated with "Bonder son 931 4 1303", Alu-zinc-coated steel was used.

Exemgel 3 Samma som i exempel 1 med följande undantag: Som tredje skikt användes ett polyestertoppskikt (DJ2l6, Coilon polyester från Becker Industrifärg) i stället för EJ644.Example gel 3 Same as in example 1 with the following exceptions: As a third layer, a polyester top layer (DJ216, Coilon polyester from Becker Industrifärg) was used instead of EJ644.

Claims (7)

560 931i PATENTKRAV560 931i PATENT REQUIREMENTS 1. Kontinuerligt förfarande för ytbeläggning av en allmänt plan metallyta av ett skiv- eller bandformigt material i en band- lackeringsanläggning, k ä n n e t e c k n a t att de omfattar förfaringsstegen: anbringning som ett första skikt av ett färgmaterial med adhesiv- egenskaper och torkning av nämnda första skikt; anbringning direkt på den varma färgytan av det första skiktet av en klar, klorfri plastfilm eller folie och kylning; anbringning som ett tredje skikt på den svala plastfilmen eller folien av en pigmenterad, klorfri färg och härdning.Continuous process for coating a generally flat metal surface of a sheet or strip material in a strip coating plant, characterized in that they comprise the process steps: applying as a first layer of a paint material with adhesive properties and drying said first layer ; applying directly to the warm color surface of the first layer of a clear, chlorine-free plastic film or foil and cooling; application as a third layer to the cool plastic film or foil of a pigmented, chlorine-free paint and curing. 2. Förfarande enligt patentkrav l, k ä n n ett e c k n a t av att den klorfria plastfilmen eller folien är en akrylplast.A method according to claim 1, characterized in that the chlorine-free plastic film or foil is an acrylic plastic. 3. Förfarande enligt patentkrav 1, k ä n n e t e c k n a t av att den klorfria plastfilmen eller folien är en polyester.3. A method according to claim 1, characterized in that the chlorine-free plastic film or foil is a polyester. 4. Förfarande enligt något av patentkraven l-3, k ä n n e - t e c k n a t av att den klorfria färg som användes som det första skiktet är en latexfärg.Process according to one of Claims 1 to 3, characterized in that the chlorine-free paint used as the first layer is a latex paint. 5. Förfarande enligt något av patentkraven l-3, k ä n n e - t e c k n a t av att den klorfria färgen i det tredje skiktet är en polyester.Process according to one of Claims 1 to 3, characterized in that the chlorine-free paint in the third layer is a polyester. 6. Förfarande enligt något av föregående patentkrav, k ä n n e - t e c k n a t av att den klorfria plastfilmen eller folien som användes som det andra skiktet har en tjocklek av från 10 till 300 pm.A method according to any one of the preceding claims, characterized in that the chlorine-free plastic film or foil used as the second layer has a thickness of from 10 to 300 μm. 7. Förfarande enligt något av föregående patentkrav, k ä n n e - t e c k n a t av att den färg som användes som det tredje skik- tet anbringas till en tjocklek av från 10 till 150 pm torr film.A method according to any one of the preceding claims, characterized in that the paint used as the third layer is applied to a thickness of from 10 to 150 μm dry film.
SE9300562A 1993-02-19 1993-02-19 A process for coating a metal surface in three steps, including coating with a chlorine-free plastisol SE500931C2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE9300562A SE500931C2 (en) 1993-02-19 1993-02-19 A process for coating a metal surface in three steps, including coating with a chlorine-free plastisol
PCT/SE1994/000111 WO1994019113A1 (en) 1993-02-19 1994-02-10 Surface coating process
CN94191242A CN1118148A (en) 1993-02-19 1994-02-10 Surface coating process
EP94908537A EP0684877A1 (en) 1993-02-19 1994-02-10 Surface coating process
CA002154682A CA2154682A1 (en) 1993-02-19 1994-02-10 Surface coating process
JP6518876A JPH08506759A (en) 1993-02-19 1994-02-10 Surface coating method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9300562A SE500931C2 (en) 1993-02-19 1993-02-19 A process for coating a metal surface in three steps, including coating with a chlorine-free plastisol

Publications (3)

Publication Number Publication Date
SE9300562D0 SE9300562D0 (en) 1993-02-19
SE9300562L SE9300562L (en) 1994-08-20
SE500931C2 true SE500931C2 (en) 1994-10-03

Family

ID=20388961

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9300562A SE500931C2 (en) 1993-02-19 1993-02-19 A process for coating a metal surface in three steps, including coating with a chlorine-free plastisol

Country Status (6)

Country Link
EP (1) EP0684877A1 (en)
JP (1) JPH08506759A (en)
CN (1) CN1118148A (en)
CA (1) CA2154682A1 (en)
SE (1) SE500931C2 (en)
WO (1) WO1994019113A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1269757B (en) * 1994-05-12 1997-04-15 Siquam Spa PROCEDURE FOR MULTILAYER COATING OF METAL SHEET TAPES IN ROLL OR SHEETS AND PRODUCT SO OBTAINED
DE4424299A1 (en) * 1994-07-09 1996-01-11 Basf Lacke & Farben Multi-layer coated substrates and process for making these substrates
CN108277496A (en) * 2017-12-22 2018-07-13 尼尔金属(苏州)有限公司 A method of locally making organic coating on tin plating aluminum metal coiled material

Also Published As

Publication number Publication date
SE9300562D0 (en) 1993-02-19
SE9300562L (en) 1994-08-20
EP0684877A1 (en) 1995-12-06
WO1994019113A1 (en) 1994-09-01
CN1118148A (en) 1996-03-06
JPH08506759A (en) 1996-07-23
CA2154682A1 (en) 1994-09-01

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