CA2075651A1 - Photodegradation-resistant electrodepositable primer compositions - Google Patents

Photodegradation-resistant electrodepositable primer compositions

Info

Publication number
CA2075651A1
CA2075651A1 CA 2075651 CA2075651A CA2075651A1 CA 2075651 A1 CA2075651 A1 CA 2075651A1 CA 2075651 CA2075651 CA 2075651 CA 2075651 A CA2075651 A CA 2075651A CA 2075651 A1 CA2075651 A1 CA 2075651A1
Authority
CA
Canada
Prior art keywords
light stabilizer
substrate
composition
applying
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.)
Granted
Application number
CA 2075651
Other languages
French (fr)
Other versions
CA2075651C (en
Inventor
Victor G. Corrigan
Gerald W. Gruber
Michael A. Polack
Robert R. Zwack
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
Victor G. Corrigan
Gerald W. Gruber
Michael A. Polack
Robert R. Zwack
Ppg Industries, Inc.
Ppg Industries Ohio, 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
Priority claimed from US07/745,797 external-priority patent/US5260135A/en
Application filed by Victor G. Corrigan, Gerald W. Gruber, Michael A. Polack, Robert R. Zwack, Ppg Industries, Inc., Ppg Industries Ohio, Inc. filed Critical Victor G. Corrigan
Publication of CA2075651A1 publication Critical patent/CA2075651A1/en
Application granted granted Critical
Publication of CA2075651C publication Critical patent/CA2075651C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Biological Depolymerization Polymers (AREA)

Abstract

An electrodepositable primer composition having improved delamination resistance with regard to automotive topcoats is disclosed. The composition is particularly useful in conjunction with topcoats which transmit ultraviolet radiation. The composition includes an ionic resin and a hindered amine light stabilizer (HALS) which is preferably a hindered aminoether light stabilizer. A
preferred hindered aminoether light stabilizer is bis-(1-octyloxy-2,2,6,6-tetramethyl-4-piperidinyl)sebacate. The invention also includes a process for coating a substrate by applying the above-described primer composition and subsequently applying a topcoat. The process can alternatively include applying a standard primer composition to a substrate and subsequently applying a HALS
compound to the electrodeposited substrate.
CA 2075651 1991-08-16 1992-08-10 Photodegradation-resistant electrodepositable primer compositions Expired - Fee Related CA2075651C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/745,797 US5260135A (en) 1991-07-26 1991-08-16 Photodegradation-resistant electrodepositable primer compositions
US745,797 1991-08-16

Publications (2)

Publication Number Publication Date
CA2075651A1 true CA2075651A1 (en) 1993-02-17
CA2075651C CA2075651C (en) 1999-01-26

Family

ID=24998301

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2075651 Expired - Fee Related CA2075651C (en) 1991-08-16 1992-08-10 Photodegradation-resistant electrodepositable primer compositions

Country Status (2)

Country Link
CA (1) CA2075651C (en)
MX (1) MX9204689A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0576943A1 (en) * 1992-06-30 1994-01-05 Basf Corporation Process for coating a metal substrate
WO1995000594A2 (en) * 1993-06-23 1995-01-05 Ppg Industries, Inc. Photodegradation-resistant electrodepositable primer compositions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0576943A1 (en) * 1992-06-30 1994-01-05 Basf Corporation Process for coating a metal substrate
WO1995000594A2 (en) * 1993-06-23 1995-01-05 Ppg Industries, Inc. Photodegradation-resistant electrodepositable primer compositions
WO1995000594A3 (en) * 1993-06-23 1995-02-23 Ppg Industries Inc Photodegradation-resistant electrodepositable primer compositions

Also Published As

Publication number Publication date
CA2075651C (en) 1999-01-26
MX9204689A (en) 1994-06-30

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Legal Events

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