CA2134780C - Pretraitement de surface permettant l'elimination des graffiti - Google Patents

Pretraitement de surface permettant l'elimination des graffiti Download PDF

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Publication number
CA2134780C
CA2134780C CA002134780A CA2134780A CA2134780C CA 2134780 C CA2134780 C CA 2134780C CA 002134780 A CA002134780 A CA 002134780A CA 2134780 A CA2134780 A CA 2134780A CA 2134780 C CA2134780 C CA 2134780C
Authority
CA
Canada
Prior art keywords
topcoat
substrate
primer layer
primer
composition
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.)
Expired - Lifetime
Application number
CA002134780A
Other languages
English (en)
Other versions
CA2134780A1 (fr
Inventor
Michael N. Macris
David Dobney
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.)
American Polymer Inc
Original Assignee
American Polymer Inc
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 American Polymer Inc filed Critical American Polymer Inc
Publication of CA2134780A1 publication Critical patent/CA2134780A1/fr
Application granted granted Critical
Publication of CA2134780C publication Critical patent/CA2134780C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B05D7/52—Two layers
    • B05D7/53—Base coat plus clear coat type
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D9/00—Chemical paint or ink removers
    • C09D9/04—Chemical paint or ink removers with surface-active agents

Abstract

L'invention décrit un procédé servant à protéger des surfaces, ainsi qu'à en faciliter le retrait de substances indésirables. Ledit procédé comprend un revêtement polymère possédant une teneur faible en constituants organiques volatils (VOC) ne nuisant pas à l'environnement, ainsi qu'un agent nettoyant s'appliquant aux revêtements pour en enlever des matériaux, tels que des graffiti. Le revêtement peut être, soit un époxy à base aqueuse comprenant une résine de bisphénol A et une résine de polyamide, soit un uréthane aliphatique comprenant un polymère pourvu de sites réactifs réagissant avec un isocyanate et un isocyanate aliphatique. L'agent nettoyant est approprié pour enlever tous les types de peintures pulvérisées à base d'époxy et d'uréthane, les encres indélébiles, les produits chimiques industriels ou substances similaires. Ledit agent nettoyant comprend N-méthyle-pyrrolidone en concentration de 50 % en poids ou supérieure ainsi qu'un tensio-actif.
CA002134780A 1992-05-01 1993-04-30 Pretraitement de surface permettant l'elimination des graffiti Expired - Lifetime CA2134780C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US87784092A 1992-05-01 1992-05-01
US877,840 1992-05-01
PCT/US1993/004075 WO1993022372A1 (fr) 1992-05-01 1993-04-30 Pretraitement de surface facilitant l'effacement des graffiti

Publications (2)

Publication Number Publication Date
CA2134780A1 CA2134780A1 (fr) 1993-11-11
CA2134780C true CA2134780C (fr) 2000-06-20

Family

ID=25370833

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002134780A Expired - Lifetime CA2134780C (fr) 1992-05-01 1993-04-30 Pretraitement de surface permettant l'elimination des graffiti

Country Status (3)

Country Link
EP (1) EP0640113A4 (fr)
CA (1) CA2134780C (fr)
WO (1) WO1993022372A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5773091A (en) * 1996-07-11 1998-06-30 Brandeis University Anti-graffiti coatings and method of graffiti removal
DE102021121926A1 (de) * 2021-08-24 2023-03-02 Scheidel Gmbh & Co Kg Graffiti-Schutz

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2191501A (en) * 1986-06-13 1987-12-16 Protective Research Ind Limite Graffiti removal composition
US4716056A (en) * 1986-12-24 1987-12-29 Frank Fox System for treating a surface
US4859791A (en) * 1987-03-03 1989-08-22 Mobay Corporation High solids polyester polyols
WO1988008445A1 (fr) * 1987-04-29 1988-11-03 Coroman Industries, Inc. Composition et procede permettant d'effacer des graffiti
US5024780A (en) * 1989-08-30 1991-06-18 A.G.P. Systems, Inc. Cleaner for treating a surface

Also Published As

Publication number Publication date
CA2134780A1 (fr) 1993-11-11
WO1993022372A1 (fr) 1993-11-11
EP0640113A4 (fr) 1996-03-13
EP0640113A1 (fr) 1995-03-01

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20130430

MKEC Expiry (correction)

Effective date: 20131009