| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polyamide resin aqueous dispersion excellent in dispersion stability even at room temperature, and being capable of maintaining a fine particle diameter even in a weak acidic range; and to provide a method for producing the same. <P>SOLUTION: The polyamide resin aqueous dispersion contains: a dimmer acid-based polyamide resin containing ≥50 mol% of a dimmer acid with respect to the whole of dicarboxylic acid components, and having a higher amine value than the acid value and an amine value of ≥1 mgKOH/g; a lactic acid; and an aqueous medium. The production method includes heating and stirring a dimmer acid-based polyamide resin, lactic acid and an aqueous medium at 70 to 280°C. <P>COPYRIGHT: (C)2013,JPO&INPIT |
