The present disclosure relates to a binding agent for printing a 3D green body object. The binding agent includes from about 0.3 wt % to about 3 wt % multi-functional carboxylic acid having a weight average molecular weight range from about 100 MW to about 1,000 MW, from about 2 wt % to about 20 wt % a (meth)acrylic latex binder, from about 10 wt % to about 40 wt % solvent package including from about 3 wt % to about 40 wt % of a coalescing solvent, and from about 40 wt % to about 88 wt % water. The weight percentage ranges are based on total content of the binding agent.

The present disclosure relates to a binding agent for printing a 3D green body object. The binding agent includes from about 0.3 wt % to about 3 wt % multi-functional carboxylic acid having a weight average molecular weight range from about 100 MW to about 1,000 MW, from about 2 wt % to about 20 wt % a (meth)acrylic latex binder, from about 10 wt % to about 40 wt % solvent package including from about 3 wt % to about 40 wt % of a coalescing solvent, and from about 40 wt % to about 88 wt % water. The weight percentage ranges are based on total content of the binding agent.

The present disclosure relates to a binding agent for printing a 3D green body object. The binding agent includes from about 0.3 wt % to about 3 wt % adhesion promoter including an aromatic maleic anhydride-containing copolymer, from about 2 wt % to about 20 wt % a (meth)acrylic latex binder, from about 10 wt % to about 40 wt % solvent package including from about 3 wt % to about 40 wt % of a coalescing solvent, and from about 40 wt % to about 88 wt % water. The weight percentage ranges are based on total content of the binding agent.

The present disclosure relates to a binding agent for printing a 3D green body object. The binding agent includes from about 0.3 wt % to about 3 wt % adhesion promoter including an aromatic maleic anhydride-containing copolymer, from about 2 wt % to about 20 wt % a (meth)acrylic latex binder, from about 10 wt % to about 40 wt % solvent package including from about 3 wt % to about 40 wt % of a coalescing solvent, and from about 40 wt % to about 88 wt % water. The weight percentage ranges are based on total content of the binding agent.

An emulsion ink includes a carrier fluid, pigment particles, and a liquid resin. The carrier fluid is a dielectric, non-aqueous carrier fluid. The pigment particles are within the carrier fluid. The liquid resin is in a dispersed phase within the carrier fluid. The liquid resin is to be polymerized after the ink is applied to a substrate.

Provided is an ink set including standard ink and light ink. Standard ink includes cyan, magenta, and yellow inks. Light ink includes a light cyan or light magenta ink, or both. The pigment concentration in cyan ink is 1.9% by mass or greater but 3.6% by mass or less. The pigment concentration in light cyan ink is 0.4% by mass or greater but 1.4% by mass or less. The pigment concentration in magenta ink is 1.9% by mass or greater but 3.6% by mass or less. The pigment concentration in light magenta ink is 0.4% by mass or greater but 1.4% by mass or less. The light ink contains water, organic solvent, and resin. The organic solvent contains amide compound represented by General formula (1).

##STR00001##

In General formula (1), R.sub.1, R.sub.2, and R.sub.3 each represent a hydrocarbon group containing from 1 through 8 carbon atoms.

Provided is an ink set including standard ink and light ink. Standard ink includes cyan, magenta, and yellow inks. Light ink includes a light cyan or light magenta ink, or both. The pigment concentration in cyan ink is 1.9% by mass or greater but 3.6% by mass or less. The pigment concentration in light cyan ink is 0.4% by mass or greater but 1.4% by mass or less. The pigment concentration in magenta ink is 1.9% by mass or greater but 3.6% by mass or less. The pigment concentration in light magenta ink is 0.4% by mass or greater but 1.4% by mass or less. The light ink contains water, organic solvent, and resin. The organic solvent contains amide compound represented by General formula (1).

##STR00001##

In General formula (1), R.sub.1, R.sub.2, and R.sub.3 each represent a hydrocarbon group containing from 1 through 8 carbon atoms.

A polymer having a structural unit represented by the following Chemical Formula 1,

##STR00001##

where R.sub.1 represents hydrogen or a methyl group, L.sub.1 represents —COO—, —CONH—, or a single bond, X represents a hydrocarbon group having 2 to 10 carbon atoms or a hydrocarbon group having 2 to 10 carbon atoms and containing oxygen, L.sub.2 represents —O— or —NH—, Y represents a hydrocarbon group having 2 to 12 carbon atoms, and L.sub.3 represents —NH—C.sub.2H.sub.4—R.sub.2, —O-Ph-CH.sub.2CH(R.sub.2).sub.2, or —O—Np—CH.sub.2CH(R.sub.2).sub.2, where Ph represents a phenylene group, Np represents a naphthylene group, and R.sub.2 represents a phosphonic acid group.

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 liquid UV curable inkjet ink includes one or more photoinitiators, an organic colour pigment, and a polymerizable composition containing at least one monofunctional polymerizable compound and at least one polyfunctional polymerizable compound, wherein the organic colour pigment is present in an amount of 6.0 to 13.0 wt % based on the total weight of the liquid UV curable inkjet ink; the at least one polyfunctional polymerizable compound is present in an amount of at least 20.0 wt % based on the total weight of the polymerizable composition; and the UV curable inkjet ink has a viscosity at 45° C. and a shear rate of 10 s−1 of at least 16.0 mPa.s.