A method of manufacturing charge transporting materials which impart a charge transporting property to a polysiloxane resin, and which is soluble in the resin. The charge transporting material is an aromatic substituted tertiary amine with a plurality of aromatic groups, and a silyl group introduced via a hydrocarbon group, into at least one of the aromatic groups. The method is characterized by using an unsaturated aliphatic group bonded to an aromatic group which makes up the silicon-type charge transporting compound, or using a newly bonded unsaturated aliphatic group which is bonded to a silane in which the substituent for silicon is hydrogen or a hydrolyzable group. This is conducted in the presence of a platinum compound as catalyst by means of hydrosilylation. The silicon-type charge transporting material is then brought into contact with an adsorbent for the platinum compound, causing the platinum compound to be adsorbed onto the adsorbent. The platinum compound is removed along with the adsorbent, so that the concentration of residual platinum compound is less than 10 ppm.
一种制造电荷传输材料的方法,该材料赋予聚
硅氧烷树脂电荷传输性能,并且能够溶解在
树脂中。电荷传输材料是一种含有多个芳香基团的芳基取代的三级胺,且通过碳氢基引入了一个
硅基团,至少其中一个芳香基团中。该方法的特点在于,使用与构成
硅型电荷传输化合物的芳香基团结合的不饱和脂肪基,或者使用新结合的与
硅烷键合的不饱和脂肪基,其中
硅的取代基是氢或可
水解基。这是通过氢
硅烷化反应,在
铂化合物的存在下进行的。然后,将
硅型电荷传输材料与
铂化合物的吸附剂接触,使
铂化合物被吸附到吸附剂上。然后将
铂化合物与吸附剂一起移除,以使残留的
铂化合物浓度小于10 ppm。