Abstract:
The present invention relates to a graphic arts film obtained by forming a toner image on a light-transmitting base sheet having a toner-adhesive and ink-repellent coating layer, then fixing the toner image and applying ink onto the surface of the base sheet to thereby selectively enhance the optical density of the toner image area on the coating layer, and a method of preparing the same. The present invention permits easy and inexpensive production of a graphic arts film having a sufficiently enhanced optical density, free from pin-holes and capable of being retouched with respect to the image formed thereon.
Abstract:
An aggregate of a fibrous material used for a synthetic pulp is provided which essentially consists of a surface active agent for an emulsifier, a hydrophilic high molecular weight compound, a hydrophobic finely divided inorganic substance particle and an olefin polymer, said hydrophobic finely divided inorganic substance particle being effectively integrated with the polymer body of the fibrous material. Said aggregate is prepared by flushing, at at least 100.degree.C, an emulsion composed of the above-mentioned four ingredients and water and a solvent into an environment of a low pressure.
Abstract:
The present invention relates to a graphic arts film obtained by forming a toner image on a light-transmitting base sheet having a toner-adhesive and ink-repellent coating layer, then fixing the toner image and applying ink onto the surface of the base sheet to thereby selectively enhance the optical density of the toner image area on the coating layer, and a method of preparing the same.The present invention permits easy and inexpensive production of a graphic arts film having a sufficiently enhanced optical density, free from pin-holes and capable of being retouched with respect to the image formed thereon.
Abstract:
A polymer mixture is prepared composed mainly of (1) an .alpha.-olefin copolymer containing a structural unit selected from the group represented by the general formula and ; wherein R represents a member selected from the group consisting of hydrogen and alkyl radicals having from one to four carbon atoms, and derivatives thereof, and (2) a poly-.alpha.-olefin. The polymer mixture is emulsified together with a compatible solvent and a dispersion medium. The emulsified dispersion is jet extruded through an orifice. The resulting paper-forming fibrous material has a morphological structure like that of wood pulp, and this has a significant effect on internal sizing of paper, because its anionic components have an improved affinity for typical paper-strengthening agents that are used in the preparation of paper products.