发明名称 |
TIEFTEMPERATUR-SCHLAGZÄHES, GERECKTES MEHRSCHICHTLAMINAT AUF POLYAMIDBASIS |
摘要 |
<p>A stretch-oriented multilayer film suited for use as a freeze packaging material, a deep drawing packaging material, a vertical pillow packaging material, etc., is provided as a stretch-oriented multilayer film, comprising at least three layers including a surface layer (a) comprising a thermoplastic resin, an intermediate layer (b) comprising a polyamide resin and a surface layer (c) comprising a sealable resin, said multilayer film exhibiting an impact energy of at least 1.5 Joule at a conversion thickness of 50 mum at -10° C. The multilayer film is produced through an inflation process using water having a large capacity as a cooling and a heating medium and including a combination of a high degree of stretching and a high degree of relaxation heat treatment not exercised heretofore.</p> |
申请公布号 |
AT530339(T) |
申请公布日期 |
2011.11.15 |
申请号 |
AT20010941175T |
申请日期 |
2001.06.22 |
申请人 |
KUREHA CORPORATION |
发明人 |
UEYAMA, TAKAHISA;ITOH, TADAYOSHI;HIGASHI, TAKEO |
分类号 |
B32B27/34;B65D65/40;B29C35/04;B29C47/00;B29C47/06;B29C55/02;B29C55/28;B29C71/02;B29K77/00;B29L7/00;B29L9/00;B32B27/08;B32B37/15 |
主分类号 |
B32B27/34 |
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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