DK0612339T3 - Method of preventing or reducing a discoloration occurring after lacquer film - Google Patents

Method of preventing or reducing a discoloration occurring after lacquer film

Info

Publication number
DK0612339T3
DK0612339T3 DK92923240.3T DK92923240T DK0612339T3 DK 0612339 T3 DK0612339 T3 DK 0612339T3 DK 92923240 T DK92923240 T DK 92923240T DK 0612339 T3 DK0612339 T3 DK 0612339T3
Authority
DK
Denmark
Prior art keywords
preventing
reducing
cationic
hydrogen atoms
active hydrogen
Prior art date
Application number
DK92923240.3T
Other languages
Danish (da)
Inventor
Helmut Fobbe
Thomas Bruecken
Original Assignee
Basf Lacke & Farben
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 Lacke & Farben filed Critical Basf Lacke & Farben
Application granted granted Critical
Publication of DK0612339T3 publication Critical patent/DK0612339T3/en

Links

Classifications

    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
    • C09D5/4488—Cathodic paints
    • C09D5/4492—Cathodic paints containing special additives, e.g. grinding agents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention concerns a method of preventing or reducing the discoloration which occurs on stoving paint coatings produced by cathodic deposition of aqueous electro-dip paints containing iron ions as impurities and also containing as binders: A-1 at least one cationic amine-modified epoxy resin containing active hydrogen atoms; or A-2 at least one cationic polyacrylate resin containing active hydrogen atoms; and B, as the cross-linking agent, at least one blocked aliphatic or cyclo-aliphatic polyisocyanate which may be part of the amine-modified epoxy resin or part of the cationic polyacrylate resin or may be present as a separate constituent. The method is characterized in that an ester prepared from 3-(3,5-di-tert-butyl-4-hydroxyphenyl)-propionic acid and a monohydric aliphatic alcohol is incorporated in the electro-dip paint.
DK92923240.3T 1991-11-14 1992-11-06 Method of preventing or reducing a discoloration occurring after lacquer film DK0612339T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4137420A DE4137420A1 (en) 1991-11-14 1991-11-14 METHOD FOR PREVENTING OR REDUCING AFTER BURNING BURNING ON LACQUER FILMS

Publications (1)

Publication Number Publication Date
DK0612339T3 true DK0612339T3 (en) 1996-02-05

Family

ID=6444771

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92923240.3T DK0612339T3 (en) 1991-11-14 1992-11-06 Method of preventing or reducing a discoloration occurring after lacquer film

Country Status (7)

Country Link
EP (1) EP0612339B1 (en)
AT (1) ATE129277T1 (en)
BR (1) BR9206755A (en)
DE (2) DE4137420A1 (en)
DK (1) DK0612339T3 (en)
ES (1) ES2081137T3 (en)
WO (1) WO1993010197A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7497935B2 (en) * 2004-08-27 2009-03-03 Ppg Industries Ohio, Inc. Electrodepositable coating compositions and methods related thereto

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE786825A (en) * 1971-07-28 1973-01-29 Dow Chemical Co STABILIZATION COMPOSITION OF POLYSTYRENES OF THE POLYSTYRENE-SHOCK TYPE, AND THUS STABILIZED PRODUCTS
US4576980A (en) * 1984-10-15 1986-03-18 The Dow Chemical Company Azetidinedione compounds as crosslinkers for electrodeposited coatings
US4872961A (en) * 1987-08-28 1989-10-10 The Dow Chemical Company Corrosion resistant, low temperature cured cathodic electrodeposition coating

Also Published As

Publication number Publication date
DE4137420A1 (en) 1993-05-19
WO1993010197A1 (en) 1993-05-27
ATE129277T1 (en) 1995-11-15
ES2081137T3 (en) 1996-02-16
EP0612339B1 (en) 1995-10-18
DE59204084D1 (en) 1995-11-23
BR9206755A (en) 1995-10-31
EP0612339A1 (en) 1994-08-31

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