发明名称 |
GAS-BARRIER MULTILAYER STRUCTURE AND PROCESS FOR PRODUCING THE SAME |
摘要 |
<p>A gas-barrier, multi-layer structure includes at least one gas barrier layer and at least one resin layer. The gas-barrier layer is made of a composite resin C containing a polyamide resin and a phyllosilicate treated with an organic swelling agent. The polyamide resin is obtained by polycondensing m-xylylenediamine with an ±, É-linear aliphatic dicarboxylic acid. The resin layer is made of a thermoplastic resin D having a glass transition point lower than that of the composite resin C. The gas-barrier, multi-layer structure is produced by stretch-thermoforxning an unstretched laminate under specific conditions. With such stretch-thermoforming under specific conditions, the whitening and the reduction of gas-barrier property each being due to fine cracks in the resin are prevented, to provide the multi-layer structure excellent in the transparency and gas-barrier property.</p> |
申请公布号 |
EP1752286(A4) |
申请公布日期 |
2008.10.15 |
申请号 |
EP20050751408 |
申请日期 |
2005.06.03 |
申请人 |
MITSUBISHI GAS CHEMICAL COMPANY, INC. |
发明人 |
KANDA, TOMOMICHI;MARUO, KAZUNOBU |
分类号 |
B32B27/34;B29C49/06;B29C49/22;B29C51/00;B29C51/04;B29C55/02;B29C55/16;B29K23/00;B29K77/00;B29K303/06;B29L7/00;B29L9/00;B65D1/09;B65D65/40 |
主分类号 |
B32B27/34 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|