Multilayer plastic containers
JP2026169343APending Publication Date: 2026-10-16TOYO SEIKAN GRP HLDG LTD
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Patent Information
- Application Number
- JP2026183837
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2026-08-04
- Publication Date
- 2026-10-16
AI Technical Summary
Benefits of technology
【0016】 本発明において、オレフィン系樹脂と水素化石油樹脂とのブレンド物は、油性液体に対するバリア材として機能する。即ち、このようなブレンド物の層が容器壁に形成されている本発明の多層プラスチック容器では、容器内面に油性液体の液膜が形成される場合、該液膜を形成している油性液体の容器壁中への浸透拡散が防止されるため、該液膜の消耗が有効に抑制され、該液膜の内容物(流動性物質)に対する潤滑性が長期にわたって安定に発揮される。このようなバリア効果は、後述する実施例に明確に示されている。
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Abstract
The present invention provides a multilayer plastic container for containing a fluid substance, comprising a layer of oily liquid barrier material that, when a liquid film of an oily liquid exhibiting lubricity for the fluid substance is formed on the surface, prevents the penetration and diffusion of the liquid film into the container wall, thereby effectively suppressing the wear of the liquid film. [Solution] In a multilayer plastic container for containing a fluid substance, the wall of the multilayer plastic container includes a blend layer formed from a blend of an olefin resin and a hydrogenated petroleum resin, the glass transition temperature of the blend is 40°C or higher, the inner layer has a liquid film of an oily liquid on its surface, the inner layer is formed from an olefin resin, and the blend layer is provided on the outer side of the inner layer.
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