Patent classifications
C09D11/037
AQUEOUS INKJET INK SETS
An aqueous inkjet ink set for manufacturing decorative panels comprising: a) a cyan aqueous inkjet ink containing a beta-copper phthalocyanine pigment; b) a red aqueous inkjet ink containing a red pigment R and a polymeric dispersant P; c) a yellow aqueous inkjet ink containing a yellow pigment; and d) a black aqueous inkjet ink containing a carbon black pigment; wherein the red aqueous inkjet ink has a weight ratio R/P of red pigment R to polymeric dispersant P that complies with 1.2<R/P<3.0; and wherein the average particle diameter APD of the red pigment R complies with 175 nm<APD<240 nm, as determined by a dynamic light scattering technique using a laser having an emission wavelength of 633 nm and measured under a scattering angle of 90 degrees.
Colorant mixtures
The present invention relates to a colorant mixture comprising (A) at least one blue- or black-dyeing disperse dye of formula ##STR00001## wherein R.sub.1 denotes hydrogen or halogen, R.sub.2 and R.sub.3 are each independently of the other hydrogen; C.sub.1-C.sub.8-alkyl which is unsubstituted or substituted with hydroxy, cyano, C.sub.1-C.sub.4alkoxy or halogen; —(CH.sub.2).sub.n—O—(CH.sub.2).sub.mR.sub.4, wherein R.sub.4 denotes hydrogen or C.sub.1-C.sub.8-alkyl, n is a number from 2 to 6 and m is a number from 0 to 6; C.sub.5-C.sub.24aryl which is unsubstituted or substituted with hydroxy, carboxy, cyano, C.sub.1-C.sub.8alkyl, C.sub.1-C.sub.4alkoxy or halogen; or C.sub.6-C.sub.30aralkyl which is unsubstituted or substituted with hydroxy, cyano, C.sub.1-C.sub.4alkyl, C.sub.1-C.sub.8alkoxy groups or halogen; and (B) at least one yellow-, orange- or red-dyeing disperse dye, solvent dye, vat dye or pigment; and to the use thereof in dyeing or printing cellulose or cellulose blend fibre materials.
Colorant mixtures
The present invention relates to a colorant mixture comprising (A) at least one blue- or black-dyeing disperse dye of formula ##STR00001## wherein R.sub.1 denotes hydrogen or halogen, R.sub.2 and R.sub.3 are each independently of the other hydrogen; C.sub.1-C.sub.8-alkyl which is unsubstituted or substituted with hydroxy, cyano, C.sub.1-C.sub.4alkoxy or halogen; —(CH.sub.2).sub.n—O—(CH.sub.2).sub.mR.sub.4, wherein R.sub.4 denotes hydrogen or C.sub.1-C.sub.8-alkyl, n is a number from 2 to 6 and m is a number from 0 to 6; C.sub.5-C.sub.24aryl which is unsubstituted or substituted with hydroxy, carboxy, cyano, C.sub.1-C.sub.8alkyl, C.sub.1-C.sub.4alkoxy or halogen; or C.sub.6-C.sub.30aralkyl which is unsubstituted or substituted with hydroxy, cyano, C.sub.1-C.sub.4alkyl, C.sub.1-C.sub.8alkoxy groups or halogen; and (B) at least one yellow-, orange- or red-dyeing disperse dye, solvent dye, vat dye or pigment; and to the use thereof in dyeing or printing cellulose or cellulose blend fibre materials.
SECURITY INKS AND MACHINE READABLE SECURITY FEATURES
The present invention relates to the field of security inks suitable for printing machine readable security features on substrate, security documents or articles as well as machine readable security feature made from said security inks, and security documents comprising a machine readable security feature made from said security inks. In particular, the invention provides security inks comprising one or more IR absorbing materials wherein said security ink allows the production of a machine readable security feature having the following optical properties: a lightness L* equal to or higher than about 80, a chroma C* smaller than or equal to about 15 and a reflectance at 900 nm smaller than or equal to about 60%.
SECURITY INKS AND MACHINE READABLE SECURITY FEATURES
The present invention relates to the field of security inks suitable for printing machine readable security features on substrate, security documents or articles as well as machine readable security feature made from said security inks, and security documents comprising a machine readable security feature made from said security inks. In particular, the invention provides security inks comprising one or more IR absorbing materials wherein said security ink allows the production of a machine readable security feature having the following optical properties: a lightness L* equal to or higher than about 80, a chroma C* smaller than or equal to about 15 and a reflectance at 900 nm smaller than or equal to about 60%.
NON-PIGMENTED DISPERSANT COMPOSITION
The invention relates to a non-pigmented composition comprising a) a block co-polymer comprising at least one first block and at least one second block which is different from the first block, wherein the first block comprises repeating units 1, repeating unit 1 and the second block comprises repeating units 2, repeating unit 2 wherein Z represents O or NH, R.sup.1 represents H or CH.sub.3, R.sup.2 represents a group selected from hydrocarbyl groups and ether group-containing groups, R.sup.3 represents an organic group having 2 to 4 carbon atoms, R.sup.4 and R.sup.5 independently represent an organic group, wherein R.sup.4 and R.sup.5 are optionally linked to each other to form a cyclic structure, and b) a polymer comprising at least one acidic group, and having a number average molecular weight of 300 g/mol or higher.
##STR00001##
NON-PIGMENTED DISPERSANT COMPOSITION
The invention relates to a non-pigmented composition comprising a) a block co-polymer comprising at least one first block and at least one second block which is different from the first block, wherein the first block comprises repeating units 1, repeating unit 1 and the second block comprises repeating units 2, repeating unit 2 wherein Z represents O or NH, R.sup.1 represents H or CH.sub.3, R.sup.2 represents a group selected from hydrocarbyl groups and ether group-containing groups, R.sup.3 represents an organic group having 2 to 4 carbon atoms, R.sup.4 and R.sup.5 independently represent an organic group, wherein R.sup.4 and R.sup.5 are optionally linked to each other to form a cyclic structure, and b) a polymer comprising at least one acidic group, and having a number average molecular weight of 300 g/mol or higher.
##STR00001##
Aqueous ink compositions
The present disclosure is drawn to aqueous ink compositions, methods of printing on offset coated print media, and printing systems. In one example, the aqueous ink compositions can include from 2 wt % to 5 wt % pigment, from 70 wt % to 95 wt % water, from 1 wt % to 10 wt % binder, from 0.1 wt % to 3 wt % non-ionic surfactant, from 1 wt % to 15 wt % humectant solvent including a hydrophilic group, and from 0.3 wt % to 4.5 wt % non-volatile glycol ether co-solvent having a boiling point of 220 C or greater.
Aqueous ink compositions
The present disclosure is drawn to aqueous ink compositions, methods of printing on offset coated print media, and printing systems. In one example, the aqueous ink compositions can include from 2 wt % to 5 wt % pigment, from 70 wt % to 95 wt % water, from 1 wt % to 10 wt % binder, from 0.1 wt % to 3 wt % non-ionic surfactant, from 1 wt % to 15 wt % humectant solvent including a hydrophilic group, and from 0.3 wt % to 4.5 wt % non-volatile glycol ether co-solvent having a boiling point of 220 C or greater.
Production method for three-dimensional shaped article
A method for producing a three-dimensional shaped article by stacking a plurality of layers is provided, and is characterized in that a series of steps including a layer forming step of forming the layer using a composition containing a plurality of particles, and a joining step of joining the particles contained in the layer to one another by irradiating the layer with a laser beam is repeatedly performed, an average particle diameter of the particles is represented by D.sub.50 and a thickness of the layer formed in the layer forming step is represented by D.sub.s, a relation of D.sub.s/D.sub.50<5.0 is satisfied, and an arithmetic average height Sa of a surface of the layer in a state where the particles are joined to one another by the joining step is 15 μm or less.