B41J2/2107

Ink formulations for improving printhead lifetime

An inkjet ink includes: (i) a disazo dye of formula (I): ##STR00001##
(ii) a glycol compound selected from the group consisting of: triethylene glycol, tetraethylene glycol and pentaethylene glycol; and (iv) water.

Image forming method

Provided is an image forming method including a step of imagewisely applying, onto a base material by an inkjet method, at least two inks containing a polymerizable liquid crystal compound, a chiral compound, and a polymerization initiator and having reflection wavelengths different from each other, such that the total application amount of the inks provides an image area ratio of 50% or more in an image forming region.

INK JET RECORDING APPARATUS AND INK JET RECORDING METHOD
20170217216 · 2017-08-03 ·

An ink jet recording apparatus including an image forming unit configured to form a first image containing a first liquid and a coloring material on an ink receiving medium; a liquid absorbing member including a porous body that comes into contact with the first image, the porous body being configured to absorb at least a part of the first liquid from the first image; and a plurality of pressure applying units configured to press the first image on the ink receiving medium by porous body. The plurality of pressure applying units include a first pressure applying unit configured to press the first image at a first pressure and a second pressure applying unit configured to press the first image having been pressed by the first pressure applying unit at a second pressure higher than the first pressure.

Pigment textile printing ink jet ink composition, pigment textile printing ink jet ink composition set, and ink jet pigment textile printing method

A pigment textile printing ink jet ink composition contains a pigment, a resin particle, a nonionic fluorine-based surfactant, and water.

Inkjet pre-treatment fluid for dye sublimation printing

An example of an inkjet pre-treatment fluid for dye sublimation printing consists of a humectant; a cationic polymer; a surfactant; a co-solvent present in an amount up to about 50 wt % based on a total weight of the inkjet pre-treatment fluid; and a balance of water. In an example of a printing method, the inkjet pre-treatment fluid is inkjet printed onto a textile substrate to form a pre-treated area on the textile substrate.

Energy curable compositions comprising partially acrylated polyols

Energy curable composition including partially acrylated polyols, and one or more monofunctional or multifunctional free-radically polymerizable ethylenically unsaturated monomer and/or oligomers.

Compositions and methods including depositing nanomaterial

An ink composition comprising a nanomaterial and a liquid vehicle, wherein the liquid vehicle includes a composition including one or more functional groups that are capable of being cross-linked is disclosed. An ink composition comprising a nanomaterial, a liquid vehicle, and scatterers is also disclosed. An ink composition including a nanomaterial and a liquid vehicle, wherein the liquid vehicle includes a perfluorocompound is further disclosed. A method for inkjet printing an ink including nanomaterial and a liquid vehicle with a surface tension that is not greater than about 25 dyne/cm is disclosed. In certain preferred embodiments, the nanomaterial includes semiconductor nanocrystals. Devices prepared from inks and methods of the invention are also described.

INKJET RECEPTIVE COMPOSITIONS AND METHODS THEREFOR
20170321084 · 2017-11-09 ·

An inkjet receptive composition for use on glossy paper substrates may include a polymer binder, a multivalent salt, a pigment, a surfactant, a defoamer, and water. The polymer may be a polyurethane dispersion. The multivalent salt may be calcium chloride, and the water may be present in an amount greater than about 40 wt %. The inkjet receptive composition may have a viscosity in the range of about 3 and about 500 cP.

INK COMPOSITION
20170260412 · 2017-09-14 · ·

The present invention relates to an inkjet ink comprising a photo-chromic colorant and a UV absorber. The ink may be used as a time-temperature indicator and is particularly useful in packaging food and/or drink to provide an indication of the quality of the contents.

Inkjet recording method and inkjet recording device

An inkjet recording method performed by inkjet recording device including nozzle plate with nozzle to eject droplets of ink; recording head including liquid chamber with which the nozzle is in communication, and pressure-generating unit configured to generate pressure in the liquid chamber; and signal-generating unit configured to generate signal applied to the pressure-generating unit, and allowing the droplets of the ink to eject by the pressure generated by the pressure-generating unit according to the signal, wherein the ink has static surface tension of 18.0 mN/m to 27.0 mN/m at 25° C., the ink has receding contact angle on the nozzle plate of less than 50°, the signal has two-step pull pulse for pulling the ink into the nozzle in two-step manner within one printing unit cycle, and the method includes pulling the ink located in proximity to nozzle outlet into the nozzle of the two-step pull pulse, to form meniscus at predetermined position.