发明名称 |
PROCESS FOR PREPARING A STABLE AQUEOUS DISPERSION OF POLYAMIDE-IMIDE WHICH IS FREE OF CARCINOGENIC, MUTAGENIC OR REPROTOXIC SUBSTANCES, AND APPLICATION TO COATINGS |
摘要 |
<p>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.</p> |
申请公布号 |
CA2882096(A1) |
申请公布日期 |
2014.03.27 |
申请号 |
CA20132882096 |
申请日期 |
2013.09.11 |
申请人 |
VALLOUREC OIL AND GAS FRANCE;NIPPON STEEL & SUMITOMO METAL CORPORATION |
发明人 |
GOUIDER, MOHAMED;GARD, ERIC;PINEL, ELIETTE;PETIT, MIKAEL |
分类号 |
C08J3/07;C09D179/08 |
主分类号 |
C08J3/07 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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