发明名称 |
SEALING ELEMENT FOR VESSEL OR CONTAINER CLOSURES HAVING IMPROVED BARRIER PROPERTIES |
摘要 |
<p>Described is a closure element for a container. The closure elements has a sealing element which contains a thermoplastic polymer, and an effective absorbing amount of an unmodified cyclodextrin material. The unmodified cyclodextrin material may be an alpha-cyclodextrin, beta-cyclodextrin, gamma-cyclodextrin, and mixtures thereof. The sealing element can act as a barrier with respect to permeants, such as aromatic substances, trichloroanisole, aldehydes or ketones and/or impurities from the polymer.</p> |
申请公布号 |
EP1362085(B1) |
申请公布日期 |
2004.12.29 |
申请号 |
EP20020755411 |
申请日期 |
2002.05.06 |
申请人 |
CELLRESIN TECHNOLOGIES, LLC |
发明人 |
WOOD, WILL;BEAVERSON, NEIL |
分类号 |
B65D81/24;B65D53/00;B65D53/04;C08L101/00;C09K3/10;(IPC1-7):C09K3/10;C08K5/04 |
主分类号 |
B65D81/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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