- Patent Title: Process for preparing a stable aqueous dispersion of polyamide-imide which is free of carcinogenic, mutagenic or reprotoxic substances, and application to coatings
-
Application No.: US14427543Application Date: 2013-09-11
-
Publication No.: US10017665B2Publication Date: 2018-07-10
- Inventor: Mohamed Gouider , Eric Gard , Eliette Pinel , Mikael Petit
- Applicant: VALLOUREC OIL AND GAS FRANCE , NIPPON STEEL & SUMITOMO METAL CORPORATION
- Applicant Address: FR Aulnoye-Aymeries JP Chiyoda-ku
- Assignee: VALLOUREC OIL AND GAS FRANCE,NIPPON STEEL & SUMITOMO METAL CORPORATION
- Current Assignee: VALLOUREC OIL AND GAS FRANCE,NIPPON STEEL & SUMITOMO METAL CORPORATION
- Current Assignee Address: FR Aulnoye-Aymeries JP Chiyoda-ku
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: FR1202426 20120912
- International Application: PCT/EP2013/068798 WO 20130911
- International Announcement: WO2014/044583 WO 20140327
- Main IPC: C09D179/08
- IPC: C09D179/08 ; C08J3/05 ; C08G73/14 ; C09D5/04 ; C09D7/61 ; C08J3/07 ; B05D1/02 ; C08K5/06 ; C09D5/14
Abstract:
The invention concerns a process for preparing an aqueous polyamide-imide dispersion, characterized in that it comprises at least one step of selecting a polyamide-imide powder and a step of producing a dispersion comprising the polyamide-imide powder, a polar aprotic solvent with a boiling point of more than 180° C. at 760 mm Hg, and water. The invention also concerns a process for producing a dry polyamide-imide film on a substrate.
Public/Granted literature
Information query
IPC分类:
