Toppan Printing Co., Ltd.

Hisamitsu Pharmaceutical Company, Inc.

Maruto Sangyo Co., Ltd.

Atsushi Matsushima

Yasunori Takada

Tomohiro Shinoda

Tsuguki Nishihara

Tsuyoshi Takamiya

Chiaki Yoshida

Koji Sakairi

Takito Shima

Atsushi Sonobe

Tetsurou Tateishi

Hisaaki Isaji

A support film for a tape material, includes a film-shaped support formed of polyurethane; and a barrier layer containing an aromatic isocyanate-based polyurethane and a layered inorganic compound and formed on one surface of the support.

Support film for tape material, and tape material

A support film for tape which is used for a tape, the support film for tape includes: a film-shaped support formed of polyurethane; and a barrier layer which includes a water-soluble polymer compound and montmorillonite and is formed on one surface of the support. The support film for tape has a percentage content of the montmorillonite in the barrier layer is equal to or more than 2 percent by weight and equal to or less than 22 percent by weight.

Support film for tape and tape

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.

Growing community of inventors

Kitakatsushika-gun, Japan

Atsushi Matsushima