发明名称 |
PTP or blister packaging articles and packaging material therefor |
摘要 |
<p>A sheet or film for PTP or blister package having excellent moisture resistance and transparency and readily prepared by vacuum or pneumatic forming comprises a layer made of at least one non-crystalline polyolefin resin selected from (A-a) a cycloolefin random copolymer which is made from ethylene and a cycloolefin having a specified general formula and has an intrinsic viscosity [ eta ] of 0.01 - 10 dl/g determined in decalin at 135 DEG C and a softening temperature (TMA) of 50 - 200 DEG C, (A-b) a (co)polymer, obtained by a ring-opening polymerization of the cycloolefin or a hydrogenation product thereof, which has an intrinsic viscosity [ eta ] of 0.01 - 10 dl/g determined in decalin at 135 DEG C and a softening temperature (TMA) of 50 - 200 DEG C, and (A-c) a graft-modified product of said cycloolefin random copolymer (A-a) or said ring-opening (co)polymer or its hydrogenation product (A-b).</p> |
申请公布号 |
EP0570188(B2) |
申请公布日期 |
2002.07.10 |
申请号 |
EP19930303618 |
申请日期 |
1993.05.11 |
申请人 |
MITSUI CHEMICALS, INC. |
发明人 |
YAMAMOTO, YOHZOH;OHSATO, SHINJI;HONMA, SHIRO |
分类号 |
B32B27/32;B65D75/36;(IPC1-7):B32B27/32 |
主分类号 |
B32B27/32 |
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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