发明名称 |
CYCLOOLEFIN COPOLYMER HEAT SEALABLE FILMS |
摘要 |
<p>The present invention relates to a heat-sealable film which consists essentially of a cycloolefin copolymer (COC), the glass transition temperature (Tg) of the COC being within the range from 30 to 55° C. The film or sheet has excellent low temperature heat-sealing properties and processing characteristics. The film may be free standing or laminated to other thermoplastic polymer film or films at low temperatures. Alternatively, a COC polymer with Tg in the range 30 to 55° C. may be coextruded with other thermoplastic polymer or polymer films in a coextrusion process to form a heat sealable film. The film of the invention is suitable for packing foods or other consumable items.</p> |
申请公布号 |
CA2546382(A1) |
申请公布日期 |
2005.06.23 |
申请号 |
CA20042546382 |
申请日期 |
2004.10.13 |
申请人 |
TOPAS ADVANCED POLYMERS GMBH |
发明人 |
JESTER, RANDY D. |
分类号 |
C08G61/06;B32B27/08;B32B27/32;C08J5/18 |
主分类号 |
C08G61/06 |
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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