CA2374151A1 - Multi-stage processes for coating substrates with liquid basecoat and liquid topcoat - Google Patents

Multi-stage processes for coating substrates with liquid basecoat and liquid topcoat Download PDF

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Publication number
CA2374151A1
CA2374151A1 CA002374151A CA2374151A CA2374151A1 CA 2374151 A1 CA2374151 A1 CA 2374151A1 CA 002374151 A CA002374151 A CA 002374151A CA 2374151 A CA2374151 A CA 2374151A CA 2374151 A1 CA2374151 A1 CA 2374151A1
Authority
CA
Canada
Prior art keywords
substrate
liquid
per
basecoating composition
ranging
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.)
Granted
Application number
CA002374151A
Other languages
French (fr)
Other versions
CA2374151C (en
Inventor
Donaldson J. Emch
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.)
PPG Industries Ohio Inc
Original Assignee
Ppg Industries Ohio, Inc.
Donaldson J. Emch
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 Ppg Industries Ohio, Inc., Donaldson J. Emch filed Critical Ppg Industries Ohio, Inc.
Publication of CA2374151A1 publication Critical patent/CA2374151A1/en
Application granted granted Critical
Publication of CA2374151C publication Critical patent/CA2374151C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • B05D7/52—Two layers
    • 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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0209—Multistage baking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
    • F26B3/283—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun in combination with convection
    • 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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B05D3/0263—After-treatment with IR heaters
    • 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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
    • B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
    • B05D3/0413—Heating with air

Abstract

A process for coating a metal substrate includes:
(a) applying a liquid basecoating composition to a surface of the substrate; (b) exposing the basecoating composition to air having a temperature ranging from about 10°C to about 30°C for a period of at least about 30 seconds to volatilize at least a portion of volatile material from the liquid basecoating composition, the velocity of the air at a surface of the basecoating composition being less than about 0.5 meters per second; (c) applying infrared radiation and warm air simultaneously to the basecoating composition for a period of at least about 30 seconds, the velocity of the air at the surface of the basecoating composition being less than about 4 meters per second, the temperature of the substrate being increased at a rate ranging from about 0.02°C per second to about 0.4°C per second to achieve a peak temperature of the substrate ranging from about 20°C to about 60°C; (d) applying infrared radiation and hot air simultaneously to the basecoating composition for a period of at least about 30 seconds, the temperature of the substrate being increased at a rate ranging from about 0.4°C
per second to about 1.5°C per second to achieve a peak temperature of the substrate ranging from about 40°C to about 75°C, such that a dried basecoat is formed upon the surface of the substrate; and (e) applying a liquid top coating composition over the dried basecoat. A similar process for coating a polymeric substrate also is provided.
CA002374151A 1999-05-26 2000-05-15 Multi-stage processes for coating substrates with liquid basecoat and liquid topcoat Expired - Fee Related CA2374151C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/320,265 US6291027B1 (en) 1999-05-26 1999-05-26 Processes for drying and curing primer coating compositions
US09/320,265 1999-05-26
PCT/US2000/013270 WO2000072979A2 (en) 1999-05-26 2000-05-15 Multi-stage processes for coating substrates with liquid basecoat and liquid topcoat

Publications (2)

Publication Number Publication Date
CA2374151A1 true CA2374151A1 (en) 2000-12-07
CA2374151C CA2374151C (en) 2005-04-26

Family

ID=23245624

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002374151A Expired - Fee Related CA2374151C (en) 1999-05-26 2000-05-15 Multi-stage processes for coating substrates with liquid basecoat and liquid topcoat

Country Status (11)

Country Link
US (1) US6291027B1 (en)
EP (1) EP1204485B1 (en)
AT (1) ATE271928T1 (en)
AU (1) AU5015200A (en)
BR (1) BR0011609A (en)
CA (1) CA2374151C (en)
DE (1) DE60012539T2 (en)
ES (1) ES2223523T3 (en)
MX (1) MXPA01011946A (en)
PT (1) PT1204485E (en)
WO (1) WO2000072979A2 (en)

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US6715196B2 (en) * 2001-12-19 2004-04-06 Ppg Industries Ohio, Inc. Method of powder coating weldable substrates
WO2003064304A1 (en) * 2002-01-29 2003-08-07 Graham Packaging Company, L.P. Process for applying exterior coatings to three dimensional containers
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US20070116732A1 (en) * 2005-11-23 2007-05-24 Ppg Industries Ohio, Inc. Methods for making treated and/or coated cellulose-containing substrates
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Also Published As

Publication number Publication date
WO2000072979A3 (en) 2001-05-17
ES2223523T3 (en) 2005-03-01
AU5015200A (en) 2000-12-18
CA2374151C (en) 2005-04-26
EP1204485A2 (en) 2002-05-15
PT1204485E (en) 2004-11-30
MXPA01011946A (en) 2002-05-06
EP1204485B1 (en) 2004-07-28
BR0011609A (en) 2002-03-19
US6291027B1 (en) 2001-09-18
DE60012539T2 (en) 2005-07-28
WO2000072979A2 (en) 2000-12-07
DE60012539D1 (en) 2004-09-02
ATE271928T1 (en) 2004-08-15

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