发明授权
US6150012A White film to be laminated to metal surface and method of producing same 失效
待层压到金属表面的白色膜及其制造方法

White film to be laminated to metal surface and method of producing same
摘要:
A white film to be laminated to a metal surface and a method of producing the same. This white film comprises first and second layers which are laminated with the arrangement of second layer/first layer/second layer. The middle, first layer is composed of 80-40 wt % a first polyester, and 20-60 wt % titanium oxide added therewith. The front and back, second layers are composed of 80-100 wt % a second polyester, and 20-0 wt % titanium oxide. The film is a biaxially stretched film, and the content of titanium oxide in the entire film is 20-50 wt %.
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