发明名称 WHITE LAMINATED POLYSTER FILM
摘要 PROBLEM TO BE SOLVED: To provide a white laminated polyester film which shows excellent bluish whiteness and smoothness. SOLUTION: This white laminated polyester film is composed of at least, two layers of a white polyester layer (A) and a white polyester layer (B), and has at least one projecting inflexion between 350-500 nm in curve of degree of total ray reflectivity, in the range of 350-700 nm measured from the white polyester layer (A) side, a peak reflectivity at the position of the inflexion point, is larger than the average reflectivity at least by 5% in the range of 500-700 nm.
申请公布号 JP2000094615(A) 申请公布日期 2000.04.04
申请号 JP19980269461 申请日期 1998.09.24
申请人 TORAY IND INC 发明人 OWATARI HISASHI;SEKI SHIGEMI;MIMURA TAKASHI
分类号 B32B5/18;B32B27/20;B32B27/36;C08K3/00;C08L67/02;(IPC1-7):B32B27/36 主分类号 B32B5/18
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