发明名称 |
PROFILED EXTRUSION REPLICATION |
摘要 |
A profiled extrusion replication process is disclosed that includes steps of (a) extruding a molten material through an extrusion die having at least one profiled die lip to form a molten extrudate having first and second major extrudate surfaces and having a first structural feature in the first major extrudate surface; (b) bringing the molten extrudate into contact with a tool surface comprising one or more second structural features so as to cause a portion of the first structural feature in the first major extrudate surface to contact the one or more second structural features on the tool surface; and (c) cooling the molten extrudate to provide the structured film. Structured films and apparatus for making structured films are also disclosed. |
申请公布号 |
KR20130071424(A) |
申请公布日期 |
2013.06.28 |
申请号 |
KR20127027846 |
申请日期 |
2011.03.21 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
CLARKE GRAHAM M.;EULL PATRICIA A.;PETERSON KENNETH A.;SLAMA DAVID F.;OLSEN LEE E. |
分类号 |
B29C47/04;B29C47/06;B29C47/40 |
主分类号 |
B29C47/04 |
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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