Fusing nanowire inks are described that can also comprise a hydrophilic polymer binder, such as a cellulose based binder. The fusing nanowire inks can be deposited onto a substrate surface and dried to drive the fusing process. Transparent conductive films can be formed with desirable properties.

Fusing nanowire inks are described that can also comprise a hydrophilic polymer binder, such as a cellulose based binder. The fusing nanowire inks can be deposited onto a substrate surface and dried to drive the fusing process. Transparent conductive films can be formed with desirable properties.

The present invention provides an environmentally friendly pigment dispersant composition that can be produced relatively easily. In this pigment dispersant composition, the content of a volatile component is significantly reduced even though the pigment dispersant composition contains a pigment dispersant mainly containing a constituent unit derived from a vinyl-based monomer, and a pigment dispersion and an ink which are excellent in pigment dispersability can be prepared using this pigment dispersant composition. This pigment dispersant composition contains a polyglycol component and a polymer component having a constituent unit (1) derived from a macromonomer represented by formula (1), wherein R represents a hydrogen atom or a methyl group, R.sub.1 represents CH.sub.2CH.sub.2 or CH.sub.2CH.sub.2OCH.sub.2CH.sub.2, and m+n=20 to 100, and a constituent unit (2) derived from a functional group-containing vinyl-based monomer, wherein the polyglycol component is a polyalkylene glycol or the like, and a content of an organic compound having a boiling point of 250° C. or lower is 1% by mass or less.

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The present invention provides an environmentally friendly pigment dispersant composition that can be produced relatively easily. In this pigment dispersant composition, the content of a volatile component is significantly reduced even though the pigment dispersant composition contains a pigment dispersant mainly containing a constituent unit derived from a vinyl-based monomer, and a pigment dispersion and an ink which are excellent in pigment dispersability can be prepared using this pigment dispersant composition. This pigment dispersant composition contains a polyglycol component and a polymer component having a constituent unit (1) derived from a macromonomer represented by formula (1), wherein R represents a hydrogen atom or a methyl group, R.sub.1 represents CH.sub.2CH.sub.2 or CH.sub.2CH.sub.2OCH.sub.2CH.sub.2, and m+n=20 to 100, and a constituent unit (2) derived from a functional group-containing vinyl-based monomer, wherein the polyglycol component is a polyalkylene glycol or the like, and a content of an organic compound having a boiling point of 250° C. or lower is 1% by mass or less.

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A nonaqueous ink composition contains organic solvents. The organic solvents include an organic solvent (a) and an organic solvent (b). Organic solvent (a): Glycol ether dialkyl. Organic solvent (b): At least one selected from the group consisting of alkylamide-based solvents (b1), cyclic amide-based solvents (b2), and lactone-based solvents (b3) each having a ring including six or more members.

The present invention provides an inkjet ink and a hiding layer coating agent that contain radical polymerizable components including a polyfunctional monomer that includes a high Tg polyfunctional monomer with a glass transition temperature Tg of not less than 40° C. at a ratio of not less than 30 mass % and a monofunctional monomer, a volatile solvent, and a photo-radical polymerization initiator, with a ratio of the monofunctional monomer being 5 to 70 mass % in the radical polymerizable components and a ratio of the volatile solvent being 50 to 400 mass % with respect to the radical polymerizable components and are excellent in dispersion stability due to not containing (excluding) a white pigment such as titanium oxide, etc., and enable printing of a white or colored character having a high hiding property equivalent to that in a case where the white pigment is contained.

The present invention provides an inkjet ink and a hiding layer coating agent that contain radical polymerizable components including a polyfunctional monomer that includes a high Tg polyfunctional monomer with a glass transition temperature Tg of not less than 40° C. at a ratio of not less than 30 mass % and a monofunctional monomer, a volatile solvent, and a photo-radical polymerization initiator, with a ratio of the monofunctional monomer being 5 to 70 mass % in the radical polymerizable components and a ratio of the volatile solvent being 50 to 400 mass % with respect to the radical polymerizable components and are excellent in dispersion stability due to not containing (excluding) a white pigment such as titanium oxide, etc., and enable printing of a white or colored character having a high hiding property equivalent to that in a case where the white pigment is contained.

An aqueous composition can be used for pre-treating a substrate prior to inkjet printing to provide a white opaque background for inkjet-printed images. This aqueous composition includes: (a) one or more water-soluble salts of a multivalent metal cation at 5-30 weight %; (b) a nonionic or cationic water-soluble or water-dispersible polymeric binder material at 5-30 weight %; and (c) surface-treated visible light-scattering particles having a D.sub.50 (median) particle size of at least 0.04 μm and up to and including 2 μm in an amount of 5-60 weight % based on the total aqueous composition weight. The pre-treated substrate is useful as an inkjet receiving medium that can be readily inkjet-printed particularly with anionically-stabilized aqueous pigment-based inks.

An aqueous composition can be used for pre-treating a substrate prior to inkjet printing to provide a white opaque background for inkjet-printed images. This aqueous composition includes: (a) one or more water-soluble salts of a multivalent metal cation at 5-30 weight %; (b) a nonionic or cationic water-soluble or water-dispersible polymeric binder material at 5-30 weight %; and (c) surface-treated visible light-scattering particles having a D.sub.50 (median) particle size of at least 0.04 μm and up to and including 2 μm in an amount of 5-60 weight % based on the total aqueous composition weight. The pre-treated substrate is useful as an inkjet receiving medium that can be readily inkjet-printed particularly with anionically-stabilized aqueous pigment-based inks.

A black ink composition for inkjet printing that contains a water-soluble organic solvent, a resin emulsion, a dispersing agent, and at least four types of sublimation dyes. At least three of the sublimation dye types are C.I. disperse yellow, C.I. disperse red, and C.I. disperse blue, and at least one of the sublimation dye types has a maximum absorption wavelength in the wavelength band of 640 nm to less than 680 nm as measured from a visible spectral absorption of a solution obtained by dissolving the dye in acetone. An ink set for inkjet printing that includes the black ink composition for inkjet printing, and a method for printing on hydrophobic fibers that uses the composition and the ink set.