发明名称 Multilayer, white polyester film
摘要 The invention relates to a multilayer, white, biaxially oriented polyester film, which has a base layer B and at least one outer layer (A), where a) the base layer (B) includes, as sole whitening pigment, a concentration of from 5 to 25% by weight of barium sulfate, and b) the outer layer (A) includes, as sole whitening pigment, a concentration of from 5 to 25% by weight of barium sulfate, and also includes from 0.01 to 4% by weight of antiblocking agent whose median diameter (d50 value) is from 2 to 8μm.
申请公布号 US7829175(B2) 申请公布日期 2010.11.09
申请号 US20070693892 申请日期 2007.03.30
申请人 MITSUBISHI POLYESTER FILM GMBH 发明人 JESBERGER MARTIN;PEIFFER HERBERT;BROEDER DIRK
分类号 B32B27/06;B32B27/18;B32B27/20;B32B27/36;B32B37/15 主分类号 B32B27/06
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