Adhesive sheet
AssigneeNakashima Rubber Industry Co., Ltd.
InventorsMikio NAKASHIMA, Yoshikuni TAKATA, Takemi YOSHIZUMI, Rikito EGUCHI
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Abstract
The adhesive sheet for bonding an unvulcanized rubber to a metal, including, a release film, which includes a first film layer made of polypropylene and a second film layer made of polyethylene terephthalate, and which is formed as an integrated film, an upper adhesive layer obtained by applying a solvent dispersed type vulcanization adhesive having reactivity with the unvulcanized rubber to a side of the first film layer of the release film and drying the solvent dispersed type vulcanization adhesive, and a lower adhesive layer obtained by, after drying the upper adhesive layer, applying an adhesive having reactivity with the metal onto the upper adhesive layer, and by drying the adhesive.
Claims19
An adhesive sheet for bonding an unvulcanized rubber to a metal, comprising:
- a release film having a first film layer made of polypropylene and a second film layer made of polyethylene terephthalate, the first film layer and the second film layer formed as an integrated film;
- an upper adhesive layer formed by applying a solvent dispersed type vulcanization adhesive having reactivity with the unvulcanized rubber to a side of the first film layer of the release film, and by drying the solvent dispersed type vulcanization adhesive;
- and
- a lower adhesive layer formed, after drying the upper adhesive layer, applying an adhesive having reactivity with the metal onto the upper adhesive layer, and by drying the adhesive.
Dependencies are inferred from the claim text.