| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a medicamental or medical rubber blend substance and a molded article having a sufficient permanent anti-distortion property not to be deformed under a high-temperature condition, excellent mechanical solid-state properties, low water absorbency, low reactivity and excellent gas barrier properties, and durable against the high-temperature sterilization. <P>SOLUTION: The medicamental or medical rubber blend substance is characterized by inclusion of a thermoplastic elastomer (a component A), polybutene (a component B) and ultra-high molecular weight polyethylene powder (a component C) combined in the mode of S-IB-S in the polymer component S mainly made of styrene and the polymer component IB mainly made of isobutylene, and the dynamic crosslinking of at least the thermoplastic elastomer (the component A). <P>COPYRIGHT: (C)2009,JPO&INPIT |
