Molding packaging material and molded case
The molding packaging material 1 according to the present invention includes a heat resistant resin layer 2 as an outer layer, a thermoplastic resin layer 3 as an inner layer, a metal foil layer 4 arranged between the heat resistant resin layer and the thermoplastic resin layer, and a black ink layer 10 arranged between the metal foil layer 4 and the heat resistant resin layer 2 . The black ink layer 10 contains carbon black, diamine, polyol, and hardening agent. The black ink layer does not partially crack and detach even when the molding packaging material according to the present invention is used in a somewhat harsh environment such as a hot and humid environment and/or at the time of molding or sealing.
1. A molded case comprising:
a molding packaging material including:
a heat resistant resin layer as an outer layer;
a thermoplastic resin layer as an inner layer;
a metal foil layer arranged between the heat resistant resin layer and the thermoplastic resin layer; and
a black ink layer arranged between the metal foil layer and the heat resistant resin layer,
wherein the black ink layer contains carbon black, diamine, polyol, and a hardening agent,
wherein an amount of the hardening agent contained in the black ink layer per 100 mass parts of a total amount of the carbon black, the diamine and the polyol of the black ink layer is 2 to 20 mass parts,
wherein, in the black layer, a content rate of the carbon black is 15 mass % to 50 mass %, and a total content rate of the diamine, the polyol, and the hardening agent is 40 mass % to 85 mass %, and
wherein the molded case is used as a battery case.
2. The molding packaging material as recited in claim 1 ,
wherein one or more polyols selected from the group consisting of polyurethane series polyol, polyester series polyol, and polyether series polyol is used as the polyol.
3. The molding packaging material as recited in claim 1 ,
wherein one or more diamines selected from the group consisting of ethylene diamine, dimer diamine, 2-hydroxyethyl ethylene diamine, 2-hydroxyethyl propylene diamine, and dicyclohexylmethane diamine is used as the diamine.
4. The molding packaging material as recited in claim 1 ,
wherein an isocyanate compound is used as the hardening agent.
5. The molding packaging material as recited in claim 1 , further comprising
a matt coated layer laminated on an outer surface of the heat resistant resin layer.
6. A molded case obtained by deep-drawing or bulging the molding packaging material as recited in claim 1 .
7. The molding packaging material as recited in claim 1 , wherein the carbon black has an average particle diameter of 10 μm to 500 μm.