C09D103/00

Undercoat layer with low release force for aqueous printing transfix system

Disclosed herein are sacrificial coating compositions comprising at least one hydrophilic polymer; at least one hygroscopic agent; at least one surfactant; at least one non-reactive silicone release agent; and water. In certain embodiments, the at least one non-reactive silicone release agent is chosen from polyether modified polysiloxane and nonreactive silicone glycol copolymers. In certain embodiments, the at least one non-reactive silicone release agent may be present in an amount ranging from about 0.001% to about 2%, based on the total weight of the composition, such as from about 0.03% to about 0.06%. Also disclosed herein is a blanket material suitable for transfix printing comprising a sacrificial coating composition, as well as an indirect printing process comprising a step of applying a sacrificial coating composition to a blanket material.

Treatment of calcium carbonate containing materials for increased filler load in paper

The present invention concerns a process for preparing self-binding pigment particles from an aqueous suspension of calcium carbonate containing material, wherein an anionic binder and at least one cationic polymer are mixed with the suspension.

Treatment of calcium carbonate containing materials for increased filler load in paper

The present invention concerns a process for preparing self-binding pigment particles from an aqueous suspension of calcium carbonate containing material, wherein an anionic binder and at least one cationic polymer are mixed with the suspension.

Process for production of high solids starch dispersion using multi-stage degradation

A process for preparing a starch dispersion may include combining a feed starch and an aqueous liquid to form a starch slurry. The starch slurry may be subjected to a first degradation treatment to form a first mixture. A temperature of the starch slurry during the first degradation treatment may be less than a gelation temperature. The first mixture may be heated to a temperature between the gelation temperature and a solubilization temperature. The heated first mixture may be subjected to a second degradation treatment to form a second mixture. The second mixture may be sheared to form the starch dispersion.

Sacrificial coating compositions comprising polyvinyl alcohol and waxy starch

Disclosed herein are sacrificial coating compositions comprising at least one polyvinyl alcohol; at least one waxy starch; at least one hygroscopic agent; at least one surfactant; and water, wherein the ratio by weight of the at least one waxy starch to the at least one polyvinyl alcohol is at least two to one. In certain embodiments, the at least one polyvinyl alcohol has a degree of hydrolysis of at least about 95%, such as at least about 98%, or at least about 99.3%. In certain embodiments, the viscosity of the at least one polyvinyl alcohol in a deionized water solution at 20 C. ranges from about 30 cps to about 80 cps, wherein the solution contains 4% by weight polyvinyl alcohol relative to the total weight of polyvinyl alcohol and deionized water in the solution. Also disclosed herein are methods of making a sacrificial coating composition.

Sacrificial coating compositions comprising polyvinyl alcohol and waxy starch

Disclosed herein are sacrificial coating compositions comprising at least one polyvinyl alcohol; at least one waxy starch; at least one hygroscopic agent; at least one surfactant; and water, wherein the ratio by weight of the at least one waxy starch to the at least one polyvinyl alcohol is at least two to one. In certain embodiments, the at least one polyvinyl alcohol has a degree of hydrolysis of at least about 95%, such as at least about 98%, or at least about 99.3%. In certain embodiments, the viscosity of the at least one polyvinyl alcohol in a deionized water solution at 20 C. ranges from about 30 cps to about 80 cps, wherein the solution contains 4% by weight polyvinyl alcohol relative to the total weight of polyvinyl alcohol and deionized water in the solution. Also disclosed herein are methods of making a sacrificial coating composition.

Coating compositions

A coating composition includes pigments or a mixture of pigments, a surface active substance and a metal containing polymeric complex. The metal containing polymeric complex contains a metallic salt, a polymeric latex and polyvinyl alcohol (PVA), wherein the polyvinyl alcohol has a molecular weight ranging from about 10,000 to about 65,000.

PRINTED PACKAGING LAMINATE, METHOD FOR MANUFACTURING OF THE PACKAGING LAMINATE AND PACKAGING CONTAINER

A laminated packaging material for food packaging, comprises a core layer of paper or paperboard, which on a first side intended to be directed towards the outside of a packaging container, has, in the following order, a dry pre-coating for receiving a printed dcor of an aqueous, pigment-based, ink-jet printing ink, a pigment-based ink-jet printed ink dcor layer and further laminated onto the printed dcor layer, a protective outermost layer of a thermoplastic polymer. Also disclosed is a method for manufacturing of the packaging laminate and to a packaging container that is made from the laminated packaging material as well as to a pre-coating composition for use in the laminated packaging material and in the manufacturing thereof.