发明授权
- 专利标题: Differentially crosslinked and oriented polyethylene film
- 专利标题(中): 差异交联和取向的聚乙烯薄膜
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申请号: US836914申请日: 1986-03-06
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公开(公告)号: US4705714A公开(公告)日: 1987-11-10
- 发明人: Yasushi Itaba , Keichiro Saito , Jyoichi Tabuchi , Masao Yoshizawa
- 申请人: Yasushi Itaba , Keichiro Saito , Jyoichi Tabuchi , Masao Yoshizawa
- 申请人地址: JPX Tokyo
- 专利权人: Toa Nenryo Kogyo K.K.
- 当前专利权人: Toa Nenryo Kogyo K.K.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX58-47107 19830323; JPX58-47108 19830323
- 主分类号: B29C71/04
- IPC分类号: B29C71/04 ; B32B27/32 ; B32B27/06 ; B32B27/16 ; C08F110/02
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.
公开/授权文献
- US6010643A Cholesteric polymer network 公开/授权日:2000-01-04
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