INSIDE PLUG CONSTITUTING NOZZLE, AND EYE-DROP CONTAINER

To provide an inside plug capable of suppressing sorption (adsorption and absorption) of an eye-drop, and an eye-drop container comprising the same.SOLUTION: An inside plug 10, which is attached to a mouth part 2 of a container body 1 so as to constitute a nozzle, is made of a resin composition that...

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Bibliographische Detailangaben
Hauptverfasser: TANAKA YOSHIYUKI, SUZUKI TOYOAKI, KANAZAWA ASAKO
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To provide an inside plug capable of suppressing sorption (adsorption and absorption) of an eye-drop, and an eye-drop container comprising the same.SOLUTION: An inside plug 10, which is attached to a mouth part 2 of a container body 1 so as to constitute a nozzle, is made of a resin composition that includes a cyclic olefin copolymer and a polyethylene resin. The ratio of the cyclic olefin copolymer is in the range of 25-85 pts.wt. and the ratio of the polyethylene resin is in the range of 15-75 pts.wt., with respect to 100 pts.wt. of the resin composition. The cyclic olefin copolymer and the polyethylene resin are in the range of 80-100 pts.wt. in total.SELECTED DRAWING: Figure 1 【課題】点眼剤の収着(吸着、吸収)を抑制することが可能な中栓及びこれを備える点眼剤容器を提供する。【解決手段】容器本体1の口部2に装着されてノズルを構成する中栓10であって、環状オレフィン共重合体(コポリマー)とポリエチレン樹脂とを含む樹脂組成物からなり、樹脂組成物の100重量部に対して、環状オレフィン共重合体(コポリマー)の割合が25〜85重量部、ポリエチレン樹脂の割合が15〜75重量部、環状オレフィン共重合体(コポリマー)とポリエチレン樹脂との合計が80〜100重量部である。【選択図】図1