Method of making polymeric photoconductive material involves partial polymerization step

A method of rendering a surface of a substrate photoconductive comprising the steps of:

• (a) partially, but incompletely, polymerizing, by means of ultraviolet or ionizing radiation, one or more monomers selected from the group having the formula ##STR4## wherein A is a vinyl group, a hydrogen atom or an alkyl group containing up to 7 carbon atoms and R1, R2, R3, R4, R5, R6, R7, and R8 are each selected from the group consisting of a hydrogen atom, a halogen atom and a vinyl group, with the proviso that when A is a hydrogen atom or a lower alkyl group containing up to 7 carbon atoms, at least one of R1, R2, R3, R4, R5, R6, R7, R8 is a vinyl group;
• (b) applying to the surface of a substrate selected from the group consisting of a metal, a plastic and a cellulosic material a single layer of the partially polymerized material formed in step (a);
• and
• (c) completing polymerization in situ, by means of ultraviolet or ionizing radiation, of the material which was only partially polymerized in step (a).