GB1073911A - Electrodeposition of organic film-forming coatings - Google Patents
Electrodeposition of organic film-forming coatingsInfo
- Publication number
- GB1073911A GB1073911A GB4745762A GB4745762A GB1073911A GB 1073911 A GB1073911 A GB 1073911A GB 4745762 A GB4745762 A GB 4745762A GB 4745762 A GB4745762 A GB 4745762A GB 1073911 A GB1073911 A GB 1073911A
- Authority
- GB
- United Kingdom
- Prior art keywords
- resin
- composition
- coating
- cross
- acid
- 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
Links
Landscapes
- Paints Or Removers (AREA)
Abstract
Conductive articles, e.g. steel panels, are coated by electrodeposition while immersed in an aqueous film-forming coating composition containing an ionic cross-linkable organic filmforming material soluble in the aqueous phase of the composition, the article then being removed from the composition and cross-linking effected. Typically the composition contains by weight 5 to 10% of non-volatile material, up to 10% of a polar water-miscible organic liquid and may contain pigment in a volume concentration (P.V.C.) up to 30% of the ionic cross-linkable material. If the P.V.C. is reduced to 10% or less pitting of the coating is avoided. The composition may contain a resin with free acid groups and be solubilized by ammonia or an amine to give an alkaline solution for anodic coating e.g. with a varnish linseed oil - maleic anhydride resin, an acrylate resin, an alkyd resin from propylene glycol, trimellitic anhydride, phthalic anhydride and coconut oil fatty acid; or a resin with free amine groups neutralized with an acid to give an acid solution for cathodic coating, e.g. with a polyamide resin. The compositions may include cross-linking agents and are used at a pH of 0.3 to 1.0 unit on the stable side of their instability point. After drying, the coated articles are stoved, e.g. at 150 to 165 DEG C., to effect crosslinking.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL301783A NL301783A (en) | 1962-12-17 | ||
GB4745762A GB1073911A (en) | 1962-12-17 | 1962-12-17 | Electrodeposition of organic film-forming coatings |
LU45012A LU45012A1 (en) | 1962-12-17 | 1963-12-13 | |
BE641364A BE641364A (en) | 1962-12-17 | 1963-12-16 | |
DE19631546995 DE1546995A1 (en) | 1962-12-17 | 1963-12-17 | Process for the production of coatings on metals |
AT1017063A AT312128B (en) | 1962-12-17 | 1963-12-17 | Process for coating metal objects |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4745762A GB1073911A (en) | 1962-12-17 | 1962-12-17 | Electrodeposition of organic film-forming coatings |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1073911A true GB1073911A (en) | 1967-06-28 |
Family
ID=10445037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4745762A Expired GB1073911A (en) | 1962-12-17 | 1962-12-17 | Electrodeposition of organic film-forming coatings |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1073911A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5534238B1 (en) * | 1969-11-24 | 1980-09-05 |
-
1962
- 1962-12-17 GB GB4745762A patent/GB1073911A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5534238B1 (en) * | 1969-11-24 | 1980-09-05 |
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