| 摘要 |
PURPOSE:To improve flexibility and transparency and to decrease eluted matter with this container for a infusion agent, etc., by constituting the container of polymer compsn. composed of polypropylene (PP) or a copolymer essentially composed thereof and the hydrogenated matter of a synthetic petroleum resin of a C9 system. CONSTITUTION:The base material for the medical treating container is formed of the polymer compsn. composed of the PP having <=6000kg/cm<2> modulus of elasticity in bending and >=100 deg.C Vicat softening point or the copolymer essentially composed thereof and the hydrogenated matter B of the synthetic petroleum resin of the C9 system. The hydrogenated matter B of the synthetic petroleum resin of the C9 system is preferably formed of the hydrogenated matter of a copolymer of styrene, vinyl toluene, indene, and methyl indene. The content of the copolymer A is preferably specified to 85 to 99wt.% and the content of the hydrogenated matter B of the synthetic petroleum resin of the C9 system to 15 to 1wt.%. This copolymer A is essentially composed of the isotactic PP obtd. by using a stereoregular polymn. catalyst. |
