compositions fotoconduttrici king takes the moisture, especially for the production of sheets of copy elettrografici for cars

摘要

1344679 Photo-conductive composition MINNESOTA MINING & MFG CO 13 Oct 1971 [14 Oct 1970] 47742/71 Headings G2C C17C5 and C17D1 A photo-conductive composition comprises photo-conductive TiO 2 , a carboxylic acid or metal salt thereof and a metal oxide other than TiO 2 . In the embodiments a mixture of TiO 2 ; chlorinated polyethylene or polyethylene; ZnO, BaO, CaO, MgO, PbO, HgO or PbO 2 ; zinc acetate, butyrate, hexanoate, octoate, laurate, stearate, abietate or rosinate, or abietic acid and a sensitizing dye is coated on a substrate of polyethylene terephthalate having aluminium on the underside. Other polymeric binders and carboxylic acids or salts thereof are specified. At least 1À85 x 10SP-6/SP equivalents of carboxylic acid or salt per square metre of TiO 2 surface may be used.