Title:
配向多層ポリオレフィンフィルム
Document Type and Number:
Japanese Patent JP5513573
Kind Code:
B2
Abstract:
A multi-layered biaxially oriented film comprising at least one primary layer and at least one secondary layer, wherein the primary layer comprises a propylene copolymer having a first melting point and the secondary layer comprises a polypropylene homopolymer or copolymer having a second melting point, such that the second melting point is greater than the first melting point and the multi-layered construction is biaxially stretched. The multi-layered film further includes a surface finishing layer, to provide a writable multi-layered film. This stretched film exhibits a refractive index in the machine direction (MD) that is greater than the refractive index measured in the transverse direction (TD).
Inventors:
Hager, Patrick Jay.
Cozura, Randall Yi.
Bertoshak, Joseph Tea.
Denker, Martin E.
Hummer, Kevin M.
Cozura, Randall Yi.
Bertoshak, Joseph Tea.
Denker, Martin E.
Hummer, Kevin M.
Application Number:
JP2012204730A
Publication Date:
June 04, 2014
Filing Date:
September 18, 2012
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
International Classes:
B32B27/32; C08J5/18; B29C55/12; B32B7/02; C08L23/10; C09J7/29; C09J201/00; B29K23/00; B29L7/00; B29L9/00; C08L23/06
Domestic Patent References:
| JP11115126A | ||||
| JP55028814A | ||||
| JP11349635A | ||||
| JP57189850A | ||||
| JP9262945A |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Nagasaka Tomoyasu
Masatoshi Takahashi
Masaharu Konoue
Takashi Ishida
Tetsuji Koga
Nagasaka Tomoyasu
Masatoshi Takahashi
Masaharu Konoue