Phenolic admix for electrodepositable coating composition containing a cyclic guanidine
US9068089B2 · kind B2 · utility
2Cited by
76References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Jun 30, 2015 |
| Priority date | — |
| Expiry date | Jul 14, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D13/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention is directed to an electrodepositable coating composition comprising a reaction product of an epoxy functional polymer and a cyclic guanidine, and a source of unreacted phenol, wherein the electrodepositable coating composition has a columbic usage of less than 100 coulombs/gram when deposited on a conductive substrate at a current density of ≦1.5 mAmps/cm2. Methods of making the electrodepositable coating composition are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.