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US 9,163,164 B2Granted
Support film for tape and tape
AssigneesHisamitsu Pharmaceutical Co., Inc., Toppan Printing Co., Ltd., Maruto Sangyo Co., Ltd.
InventorsTomohiro Shinoda, Hisaaki Isaji, Yasunori Takada, Tsuguki Nishihara, Atsushi Matsushima, Chiaki Yoshida, Tsuyoshi Takamiya
Life of this patent
Estimating the term…
Abstract
A support film for tape which is used for a tape includes a film-shaped support formed of polyurethane, a barrier layer which includes polyvinyl alcohol and a layered inorganic compound and is formed on a surface of the support, and an undercoat layer which is disposed between the support and the barrier layer, and which causes the support and the barrier layer to adhere to each other.
Claims6
A support film for tape which is used for a tape, comprising:
- a film-shaped support formed of polyurethane;
- a barrier layer which includes polyvinyl alcohol and a layered inorganic compound and is formed on a surface of the support;
- and
- an undercoat layer which is disposed between the support and the barrier layer, and which causes the support and the barrier layer to adhere to each other, the undercoat layer being formed of a water-soluble resin, the water-soluble resin being one or more compounds selected from the group consisting of an acrylic resin, polyurethane resins, polyester resins, vinyl acetate resins, styrene resins, shellac resins, polyamide resins, and a modified product thereof.
1 more element
Dependencies are inferred from the claim text.