发明名称 |
Lockstruktur för livsmedelförpackning |
摘要 |
<p>The lid structure for a food packaging container comprises a paper-based body layer and, on the side that is to be against the packaging container, plastic layers that function as a barrier and as heat-sealable layers. The lid structure comprises, as the plastic layers attached to the body layer, one or more layers of biodegradable plastic, such as polylactide and/or polyhydroxy alkanoate and on their outer side, the outermost layer, which is formed of biodegradable ester copolymer, to whose ester parts a comonomer has been linked by ester or amide bonds.</p> |
申请公布号 |
FI981644(A) |
申请公布日期 |
2000.01.21 |
申请号 |
FI19980001644 |
申请日期 |
1998.07.20 |
申请人 |
UPM-KYMMENE CORPORATION,, |
发明人 |
KARHUKETO,,HANNU;KORPELA,,HEIKKI |
分类号 |
B65D53/04;B32B27/10;B32B27/36;B65D65/46;B65D77/20;C08L101/16;(IPC1-7):B65D65/40;B32B27/08 |
主分类号 |
B65D53/04 |
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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