| 发明名称 |
Method of producing oriented polyethylene film |
| 摘要 |
An oriented film is prepared by crosslinking a sheet of HDPE to provide maximum crosslinking at the surfaces of the sheet and minimum orientation at its middle layer portion, and thereafter heating and stretching the film to obtain an oriented HDPE of high clarity film of improved moisture proof.
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| 申请公布号 |
US4590020(A) |
申请公布日期 |
1986.05.20 |
| 申请号 |
US19840592321 |
申请日期 |
1984.03.22 |
| 申请人 |
TOA NENRYO KOGYO KABUSHIKI KAISHA |
发明人 |
ITABA, YASUSHI;SAITO, KEICHIRO;TABUCHI, JYOICHI;YOSHIZAWA, MASAO |
| 分类号 |
B29C71/04;B32B27/32;(IPC1-7):B29C35/02;B29C35/10;B29C55/02 |
主分类号 |
B29C71/04 |
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