Water-based coating agent for gravure printing and gas barrier film

Japanese Patent JP6326740

B2

A water-based coating agent for gravure printing, including an aqueous polyurethane resin (A) which contains a polyurethane resin having an acid group and a polyamine compound, a water-soluble polymer (B), and an inorganic layered mineral (C) as a main constituent component, in which the aqueous polyurethane resin (A) is 5 to 60 mass%, the water-soluble polymer (B) is 25 to 80 mass%, and the inorganic layered mineral (C) is 8 to 20 mass% in a solid compounding ratio of a total solid, a total solid concentration is greater than or equal to 5 mass%, and viscosity at 23°C is less than or equal to 50 mPa·s, and the water-soluble polymer (B) is a polyvinyl alcohol resin having a degree of saponification of greater than or equal to 95% and a degree of polymerization of 300 to 1700.

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Junichi Kaminaga
Sayaka Hoshi
Yuki Omura

JP2013177228A

May 23, 2018

August 28, 2013

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Toppan Printing Co., Ltd.

C09D175/04; B32B27/40; C08J7/043; C08J7/048; C09D5/02; C09D7/40; C09D11/03; C09D11/102; C09D11/106; C09D129/04; C23C26/00

JP2005138581A
JP2005139436A
JP9151265A
JP2005139435A

Yasushi Matsunuma
Shiro Suzuki
Yuichiro Shimizu
Makiko Otsuki

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