B41N2210/12

Image transfer product including a phase change material

An image transfer product is provided which includes a phase change material in one or more layers of the product to regulate the temperature of the product during printing operations. The image transfer product may be in the form of a printing blanket, printing sleeve, electrophotographic/xerographic transfer blanket, image transfer belt, or roller which includes a print surface layer and at least one layer underlying the printing surface layer. The phase change material may be included in any of the layers of the image transfer product, but is not present at the upper surface of the print surface layer. The phase change material may be in the form of a powder, fibers, capsules, or combinations thereof.

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.

Imaging blanket with thermal management properties

Provided herein is an imaging blanket for variable data lithography comprising (i) a substrate and (ii) a thermally-conductive composition disposed on the substrate comprising a silicone elastomer and a thermally-conductive filler selected from metal oxides, wherein the thermally-conductive composition has a thermal conductivity ranging from about 0.6 W/m.sup.2 to about 1.6 W/m.sup.2. Further provided herein a method of making the imaging blanket, as well as a printing system comprising the imaging blanket, wherein the imaging blanket has improved thermal conductivity.

IMAGING BLANKET AND METHOD OF MAKING IMAGING BLANKET

An imaging blanket for variable data lithography. The imaging blanket comprises a substrate. A foam layer is disposed on the substrate. An elastomeric layer is disposed on the foam layer, the elastomeric layer comprising a silicone elastomer. The elastomeric layer has a Shore A hardness ranging from about 50 Shore A to about 100 Shore A.

IMAGING BLANKET WITH THERMAL MANAGEMENT PROPERTIES

Provided herein is an imaging blanket for variable data lithography comprising (i) a substrate and (ii) a thermally-conductive composition disposed on the substrate comprising a silicone elastomer and a thermally-conductive filler selected from metal oxides, wherein the thermally-conductive composition has a thermal conductivity ranging from about 0.6 W/m.sup.2 to about 1.6 W/m.sup.2. Further provided herein a method of making the imaging blanket, as well as a printing system comprising the imaging blanket, wherein the imaging blanket has improved thermal conductivity.

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.

Intermediate Transfer Member
20250050632 · 2025-02-13 ·

An intermediate transfer member (ITM) (44) of printing system (10), the ITM includes: (a) an outer layer (102) configured to receive droplets (11) of printing fluid for producing an image thereon, and transfer the image to target substrate (50), and (b) a stack (107) of flexible support layers, the stack includes a mesh (109), having a first section impregnated in a first layer (106) having a first elastic modulus in an axis in which a tension force is applied to the ITM (44), and a second section impregnated in a second layer (108), which is placed in contact with the first layer (106) and has in the axis, a second elastic modulus different from the first clastic modulus. In response to applying to the ITM (44) a specified level of the tension force, the stack (107) is configured to retain a predefined elongation of the ITM (44) along the axis.