METHOD FOR MANUFACTURING NEAR-INFRARED ABSORBER DISPERSION, NEAR-INFRARED ABSORBER DISPERSION AND USE THEREOF

摘要

PROBLEM TO BE SOLVED: To provide a near-infrared absorber dispersion excellent in light resistance and heat resistance and capable of providing a resin composition containing a near-infrared absorber, and a method for manufacturing the near-infrared absorber dispersion.;SOLUTION: The method for manufacturing a near-infrared absorber dispersion comprises contact treating a dispersion of a reaction mixture obtained by reacting at least a copper salt and a phosphonic acid compound represented by the formula (1), where R¹ is a monovalent group represented by -CH₂CH₂-R¹¹, where R¹¹ represents a hydrogen atom, an alkyl group or a fluorinated alkyl group, and phosphorus-based dispersion with a solid resin having an acidic functional group or a salt thereof.;COPYRIGHT: (C)2015,JPO&INPIT