COATING AGENT FOR PAPER SUBSTRATES OR PLASTIC SUBSTRATES, AND PAPER SUBSTRATES, PLASTIC SUBSTRATES, CONTAINERS, AND PACKAGING MATERIAL THAT HAVE COATING LAYER OF SAID COATING AGENT

WIPO Patent Application WO/2021/261261

A1

Provided is a coating agent for paper substrates or plastic substrates that comprises a binder resin (A), a photocatalyst (B), and an organic solvent. The photocatalyst (B) contains a divalent copper compound and a titanium oxide containing crystalline rutile titanium oxide, the crystalline rutile titanium oxide exhibiting a full width at half maximum of 0.65° or less for the most intense diffraction peak attributed to rutile titanium oxide, in a Cu-Kα line X-ray diffraction pattern, which is obtained by plotting the intensity of the diffraction line with respect to the diffraction angle 2θ, the crystalline rutile titanium oxide content in the titanium oxide being at least 50 mol%, and the anatase titanium oxide content in the titanium oxide being less than 50 mol%. The coating agent contains 0.5-80 mass% of the photocatalyst (B) with respect to the total solid content of the coating agent.

HONGO YUKI (JP)
ODA KATSUROU (JP)
TERAKAWA MASAYUKI (JP)
OKA ARINA (JP)
WATANABE TOSHIO (JP)
KAWANAKA SHUNSUKE (JP)
FUJITA KOHSUKE (JP)

PCT/JP2021/022021

December 30, 2021

June 10, 2021

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DAINIPPON INK & CHEMICALS (JP)

B65D65/40; C09D5/14; C09D7/62; C09D101/00; C09D201/00

WO2012017846A1	2012-02-09
WO2013094573A1	2013-06-27
WO2014196108A1	2014-12-11

JP2005075912A	2005-03-24
JP2015226858A	2015-12-17
JP2017155368A	2017-09-07

OGAWA Shinji (JP)

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