Patent ID: 7521490
Filing Date: 2009-04-21
Classification: C08L,C09D

Abstract:
1. A method for preparing a printing ink comprising the step of adding to the printing ink a mixture comprising: a) homopolymer or copolymer of C with one or more further additives selected from the group consisting of b) polytetrafluoroethylene having a molecular weight (M c) thermoplastic PTFE having a molecular weight (Mn) of between 500 000 and 10 000 000 g/mol, whose particle size is situated in the range 1-100 μm, d) amide waxes prepared by reacting ammonia or ethylenediamine with saturated and unsaturated fatty acids, e) montan waxes, including acid waxes and ester waxes having a carbon chain length of the carboxylic acid of from C f) natural plant waxes, g) reaction products of sorbitol with saturated and/or unsaturated fatty acids and/or montanic acids, h) synthetic hydrocarbons, i) paraffins and microcrystalline waxes obtained in the course of petroleum refining, j) polar polyolefin waxes prepared by oxidizing ethylene or propylene homopolymer and copolymer waxes or grafting them with maleic anhydride, k) polyamides whose particle size is situated in the range 1-100 μm. l) polyolefins or copolymers thereof of high or low density having molecular weights (Mn) of between 10 000 and 1 000 000 g/mol whose particle size is situated in the range 1-100 μm, m) agents which lower the surface tension of liquids (wetting agents).