CA2075651A1 - Photodegradation-resistant electrodepositable primer compositions - Google Patents
Photodegradation-resistant electrodepositable primer compositionsInfo
- 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
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.
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.
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)
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 |
-
1992
- 1992-08-10 CA CA 2075651 patent/CA2075651C/en not_active Expired - Fee Related
- 1992-08-13 MX MX9204689A patent/MX9204689A/en unknown
Cited By (3)
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
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |