发明名称 Lightsafe masking film.
摘要 A lightsafe masking film is disclosed which comprises a transparent substrate, and a transparent, lightsafe layer peelably provided over the surface of the substrate and containing (a) a nitrile rubber, (b) a vinyl chloride/vinylidene chloride copolymer having an average polymerization degree of 300-600 and a weight ratio of the vinyl chloride units to the vinylidene chloride units of 60:40 to 95:5, and (c) a lightsafe substance, the weight ratio of component (b) to component (a) being in the range of 50:50 to 95:5.
申请公布号 EP0380835(A1) 申请公布日期 1990.08.08
申请号 EP19890301031 申请日期 1989.02.02
申请人 SOMAR CORPORATION 发明人 SANO, SHINICHI;MARUYAMA, HIROSHI;SHIMOKAWAHARA, HISASHI
分类号 G03F1/90;G03F1/92 主分类号 G03F1/90
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