摘要:
At least one of the following compounds is applied as a re-wet solution to media: potassium iodide, sodium iodide, sodium thiosulfate, potassium thiosulfate, and sodium thiocyanate. The addition of at least one of these compounds to the re-wet solution can improve light fastness on the order of eight to thirteen times or more on porous glossy media. These additives are particularly effective with water-soluble dyes, including dyes such as Reactive Black 31 (Pacified) (RB31), Direct Blue 199 (DB199), Magenta 377 (M377), and Direct Yellow 132 (DY132).
摘要翻译:将以下化合物中的至少一种作为再润湿溶液施用于介质:碘化钾,碘化钠,硫代硫酸钠,硫代硫酸钾和硫氰酸钠。 将这些化合物中的至少一种添加到再湿溶液中可以在多孔光泽介质上提高8至13倍或更高的耐光性。 这些添加剂对于水溶性染料特别有效,包括染料如Reactive Black 31(安抚)(RB31),Direct Blue 199(DB199),Magenta 377(M377)和Direct Yellow 132(DY132)。
摘要:
At least one of the following compounds is included on a surface layer of a print medium and in an inkjet ink formulation to be printed thereon: potassium iodide, sodium iodide, sodium thiosulfate, potassium thiosulfate, and sodium thiocyanate. The addition of at least one of these compounds to both the print medium and the inkjet ink can improve light fastness on the order of eight to thirteen times or more on porous glossy media. These additives are particularly effective with water-soluble dyes, including such dyes as Reactive Black 31 (Pacified) (RB31), Direct Blue 199 (DB199), Magenta 377 (M377), and Direct Yellow 132 (DY132).
摘要翻译:在印刷介质的表面层上和印刷在其上的喷墨油墨配方中包含以下化合物中的至少一种:碘化钾,碘化钠,硫代硫酸钠,硫代硫酸钾和硫氰酸钠。 将这些化合物中的至少一种添加到印刷介质和喷墨油墨中可以在多孔光泽介质上提高约8至13倍或更多的耐光性。 这些添加剂对于水溶性染料是特别有效的,包括诸如Reactive Black 31(安慰)(RB31),Direct Blue 199(DB199),Magenta 377(M377)和Direct Yellow 132(DY132)等染料。
摘要:
Ink-receiving print media products having multiple capabilities including (A) minimal drying time; (B) improved smear-fastness; (C) the ability to generate high-definition images with desirable gloss characteristics and gloss-uniformity; and (D) excellent compatibility between the ink materials being delivered and the media products along with other related benefits including the control of ink-coalescence. The print media products of interest have at least one ink-receiving layer on a substrate (e.g. polyethylene-coated paper), with the ink-receiving layer including a poly(vinyl alcohol-ethylene oxide) copolymer as a special multi-functional ingredient designed to produce the foregoing benefits. The copolymer may be employed alone or combined with one or more other ingredients in the ink-receiving layer including pigment(s), supplemental binder(s), and the like in order to fabricate an effective media product ideally suited for inkjet image generation using a wide variety of inks.
摘要:
Ink-receiving media print media products having multi-functional capabilities including (A) minimal drying time; (B) improved gloss-control which allows the production of high-gloss or semi-gloss products as desired; and (C) the ability to generate high-definition and light-fast images. A first embodiment (high-gloss) employs a substrate (e.g. polyethylene-coated paper) having a porous medial layer thereon containing a pigment (e.g. silica) and a binder (e.g. polyvinyl alcohol). A non-porous top layer is placed on the medial layer which optimally consists entirely of one or more binders (excluding pigments, etc.) A second embodiment (semi-gloss) employs a comparable substrate and medial layer with a top layer similar to that described above, although at least one pigment (e.g. silica) is employed therein at a level not exceeding about 10% by weight. Both products provide the foregoing benefits and others.
摘要:
A process is provided that allows the production of multi-layer coatings in which one or more topcoats can be applied to a porous basecoat to produce a uniform and defect-free coating layer. Specifically, a process is provided in which a liquid is applied to the basecoat prior to topcoating such that the air in the basecoat is removed prior to topcoating. This process can occur in-line with a simple apparatus described herein. An added benefit of this method is that it also allows the possibility of adding functionality or performing chemistry to a basecoat after the basecoat is dried and before the topcoat is applied in a single process. For example, the wetting fluid may contain, but is not limited to, surfactants, pH modifiers, polymers, crosslinkers, pigments, and/or dye stabilizers. Advantages over what has been done before include the use of re-wetting process that allows a topcoat to be applied to a porous basecoat that is coated on a non-porous substrate such that bubbles are not formed in the topcoat. In addition, there is added flexibility of incorporating functionality or chemistry in the re-wetting process. Finally, the process is simple to implement and is compatible with many general coating methods, such as slot-die coating, rod coating, blade coating, gravure coating, knife-over-roll coating, or the like.
摘要:
Described herein is a media composition. The media composition includes a substrate and an ink receiving layer that includes binder that includes an ethylene-vinyl alcohol co-polymer with a glass transition temperature of 75 degrees Celsius or less, a melting point temperature of 175 degrees Celsius or less, and/or a crystallization temperature of 150 degrees Celsius or less. The ink receiving layer can be applied to a substrate using extrusion techniques.
摘要:
The present invention is drawn to compositions and coated substrates wherein a hydrophobic backside coating layer can be implemented for use that mitigates ink transfer, surface damage, smudging, and sticking between stacked sheets in output trays of ink-jet ink printers. The backside coating can comprise hydrophobic beads suspended in a polymeric blend having a hydrophilic polymeric binder component and a hydrophobic polymeric binder component. Alternatively, the coating can comprise a hydrophobic binder blended with a natural wax. Either coating can be applied directly to the backside of a media substrate or on top of an existing hydrophilic layer that is typically applied for curl and sheet feed performance.
摘要:
The present invention is drawn to compositions and coated substrates wherein a back coating layer can be implemented for use to mitigate ink transfer, surface damage, smudging, and sticking between stacked sheets in output trays of ink-jet ink printers. Specifically, a coated media sheet can comprise a printing surface including an ink-receiving coating formulated to accept an ink-jet ink composition, and an opposing back surface comprising a back coating. The back coating can include an admixture of 0.5 wt % to 75 wt % of a polymeric binder, 5 wt % to 95 wt % of filler particulates having an average particle size from about 0.01 μm to about 15 μm, and 3 wt % to 90 wt % of spacer particulates having an average particle size from about 6 μm to about 500 μm. In one embodiment, the spacer particulates are larger than the filler particulates.
摘要:
The present invention is drawn to compositions and coated substrates wherein a hydrophobic backside coating layer can be implemented for use that mitigates ink transfer, surface damage, smudging, and sticking between stacked sheets in output trays of ink-jet ink printers. The backside coating can comprise hydrophobic beads suspended in a polymeric blend having a hydrophilic polymeric binder component and a hydrophobic polymeric binder component. Alternatively, the coating can comprise a hydrophobic binder blended with a natural wax. Either coating can be applied directly to the backside of a media substrate or on top of an existing hydrophilic layer that is typically applied for curl and sheet feed performance.
摘要:
The present invention is drawn to compositions and coated substrates wherein a hydrophobic backside coating layer can be implemented for use that mitigates ink transfer, surface damage, smudging, and sticking between stacked sheets in output trays of ink-jet ink printers. The backside coating can comprise hydrophobic beads suspended in a polymeric blend having a hydrophilic polymeric binder component and a hydrophobic polymeric binder component. Alternatively, the coating can comprise a hydrophobic binder blended with a natural wax. Either coating can be applied directly to the backside of a media substrate or on top of an existing hydrophilic layer that is typically applied for curl and sheet feed performance.