| 摘要 |
1,215,183. Coated paper. E.I. DU FONT DE NEMOURS & CO. 10 June, 1968 [13 June, 1967], No. 27476/68. Heading B2E. [Also in Division C3] A white and black hiding power paper is coated with a paint comprising TiO 2 and particles of a fully polymerized urea formaldehyde resin containing TiO 2 , the particles being of 1-30 micron particle size and containing 15-35 vol% TiO 2 , in an alkyd resin or polyvinyl acetate emulsion vehicle, at a pigment volume concentration of 50-65. |
