| 摘要 |
PROBLEM TO BE SOLVED: To provide a biodegradable adhesive film whose lamination structure can be formed by a coextrusion method, and which has a good adhesive force and is formed from biodegradable members. SOLUTION: This biodegradable adhesive film comprising a biodegradable substrate layer and a biodegradable adhesive layer laminated to the substrate layer is characterized in that the adhesive layer comprises poly(butylene adipate / butylene terephthalate) copolymer. Especially, when a lactate-based resin and polybutylene succinate are used for the substrate layer of the biodegradable adhesive film, a coextrusion property is improved. COPYRIGHT: (C)2008,JPO&INPIT
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