- 专利标题: COATING COMPOSITIONS FOR COIL COATING, METHODS FOR MAKING SUCH COATING COMPOSITIONS AND COIL COATING METHODS
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申请号: US15377584申请日: 2016-12-13
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公开(公告)号: US20170088744A1公开(公告)日: 2017-03-30
- 发明人: Peter UHLIANUK , Michelle H. DYKE , Erich G. SMITH
- 申请人: AXALTA COATING SYSTEMS IP CO., LLC
- 申请人地址: US DE Wilmington
- 专利权人: AXALTA COATING SYSTEMS IP CO., LLC
- 当前专利权人: AXALTA COATING SYSTEMS IP CO., LLC
- 当前专利权人地址: US DE Wilmington
- 主分类号: C09D163/00
- IPC分类号: C09D163/00 ; C09D5/00 ; C08G59/40 ; C09D7/12 ; C08G59/18
摘要:
Coating compositions for coil coating, methods for making such coating compositions and coil coating methods are provided. In an exemplary embodiment, a coating composition includes an aqueous carrier and a film-forming binder dispersed in the aqueous carrier. The film-forming binder contains an epoxy-amine adduct and a blocked polyisocyanate crosslinking agent. The film-forming binder has associated amine/acid groups until subjected to heat of at least about 165.5° C. (330° F.). The coating composition also contains a pigment and a grinding resin. The coating composition has a solids content of at least about 40 wt. % based on a total weight of the coating composition.
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