Title:
COATING COMPOSITION FOR METALLIC SUBSTRATES
Document Type and Number:
WIPO Patent Application WO2002051949
Kind Code:
A3
Abstract:
The invention provides a coating composition for use with metallic substrates that provides a unique balance of required properties. In particular, the coating composition of the invention simultaneously provides desirable levels of adhesion to metal, sandability without the production of harmful dust, corrosion resistance, and recoatability. The coating composition of the invention comprises a polyurethane or epoxy/amine film-forming component, and a corrosion protection component consisting of aluminum selected from the group consisting of nonleafing aluminum pigments, the corrosion protection component being present in the composition in an amount effective to prevent corrosion of the substrate. A cured film of the coating applied to a steel substrate has a pass rating after 480 hours in salt spray per ASTM B117.
Inventors:
LANE MATTHEW (US)
NEWTON DAVID (US)
NEWTON DAVID (US)
Application Number:
PCT/US2001/042942
Publication Date:
October 31, 2002
Filing Date:
November 14, 2001
Export Citation:
Assignee:
BASF CORP (US)
LANE MATTHEW (US)
NEWTON DAVID (US)
LANE MATTHEW (US)
NEWTON DAVID (US)
International Classes:
B05D7/16; C08G18/38; C08G18/46; C08L67/00; C09D5/00; C09D5/10; C09D175/04; B05D3/12; (IPC1-7): C09D5/08; C08K5/00; C09D5/10; C09D163/00; C09D167/00; C09D175/00; C09D175/04
Foreign References:
| US4451591A | 1984-05-29 | |||
| US4482661A | 1984-11-13 | |||
| EP0781861A1 | 1997-07-02 | |||
| US5274021A | 1993-12-28 | |||
| EP0376591A1 | 1990-07-04 | |||
| US5859154A | 1999-01-12 |
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