| 摘要 |
PURPOSE:To obtain a cap for an injection container disappearing by biodegradation when the broken pieces of the cap enter the body by mistake. CONSTITUTION:A cap 2 for an injection container is composed of a compsn. obtained by adding a plasticizer to a thermoplastic polymer based on polylactic acid or a copolymer of lactic acid and a hydroxycarboxylic acid and has biodegradability. |
