Patent classifications
C09D11/104
Ink formulations and film constructions thereof
Ink formulations suitable for deposition upon the intermediate transfer member of an indirect printing system and for transfer therefrom to a substrate. The inks are aqueous inkjet inks comprising an organic polymeric resin and a colorant. Ink film constructions including a plurality of continuous ink films fixedly adhered to the printing substrate that can be obtained with these inks are also disclosed. The inks and the printed constructions are such that the ink films and the dried inks composing them have a first dynamic viscosity within a range of 10.sup.6 cP to 5.Math.10.sup.7 cP at at least a first temperature within a first range of 60° C. to 87.5° C., and a second dynamic viscosity of at least 6.Math.10.sup.7 cP, for at least a second temperature within a second range of 50° C. to 55° C.
Ceramic-containing bioactive inks and printing methods for tissue engineering applications
Ink formulations comprising bioactive particles, methods of printing the inks into three-dimensional (3D) structures, and methods of making the inks are provided. Also provided are objects, such as tissue growth scaffolds and artificial bone, made from the inks, methods of forming the objects using 3D printing techniques, and method for growing tissue on the tissue growth scaffolds. The inks comprise a plurality of bioactive ceramic particles, a biocompatible polymer binder, optionally at least one bioactive factor, and a solvent.
Ceramic-containing bioactive inks and printing methods for tissue engineering applications
Ink formulations comprising bioactive particles, methods of printing the inks into three-dimensional (3D) structures, and methods of making the inks are provided. Also provided are objects, such as tissue growth scaffolds and artificial bone, made from the inks, methods of forming the objects using 3D printing techniques, and method for growing tissue on the tissue growth scaffolds. The inks comprise a plurality of bioactive ceramic particles, a biocompatible polymer binder, optionally at least one bioactive factor, and a solvent.
Etch-resistant inkjet inks for manufacturing printed circuit boards
A radiation curable inkjet ink including an adhesion promoter including (1) at least one a free radical polymerizable group selected from the group consisting of an acrylate, a methacrylate, an acryl amide and a methacryl amide; (2) at least one aliphatic tertiary amine; and (3) at least one carboxylic acid or salt thereof with the proviso that the carboxylic acid is linked to an aliphatic tertiary amine via a divalent linking group selected from the group consisting of an optionally substituted methylene group and an optionally substituted ethylene group.
Etch-resistant inkjet inks for manufacturing printed circuit boards
A radiation curable inkjet ink including an adhesion promoter including (1) at least one a free radical polymerizable group selected from the group consisting of an acrylate, a methacrylate, an acryl amide and a methacryl amide; (2) at least one aliphatic tertiary amine; and (3) at least one carboxylic acid or salt thereof with the proviso that the carboxylic acid is linked to an aliphatic tertiary amine via a divalent linking group selected from the group consisting of an optionally substituted methylene group and an optionally substituted ethylene group.
Graphene enhanced and engineered materials for membrane touch switch and other flexible electronic structures
This invention discloses formulations of mutually compatible sets of graphene, graphene-carbon, metal and dielectric inks for the fabrication of high performance membrane touch switches (MTS). The compositions of these inks are optimized to achieve higher degree of compatibility with highly engineered polymeric substrates, thereby offering a holistic solution for fabricating high-performance MTS. These sets of materials can also be used for fabrication of sensors, biosensors and RFIDs on flexible substrates, such as polymers and papers.
Graphene enhanced and engineered materials for membrane touch switch and other flexible electronic structures
This invention discloses formulations of mutually compatible sets of graphene, graphene-carbon, metal and dielectric inks for the fabrication of high performance membrane touch switches (MTS). The compositions of these inks are optimized to achieve higher degree of compatibility with highly engineered polymeric substrates, thereby offering a holistic solution for fabricating high-performance MTS. These sets of materials can also be used for fabrication of sensors, biosensors and RFIDs on flexible substrates, such as polymers and papers.
METHOD OF APPLYING A SOLVENT-BORNE COATING COMPOSITION TO A SUBSTRATE UTILIZING A HIGH TRANSFER EFFICIENCY APPLICATOR TO FORM A COATING LAYER THEREON
A method includes applying a coating composition to a substrate through a high transfer efficiency applicator to form the coating layer on the substrate wherein a loss of volatiles is less than about 0.5 weight, and wherein the coating composition comprises: A. a resin comprising an acrylic, a polyester, or combinations thereof; B. a melamine cross-linker; C. an optional pigment; D. an organic solvent; and E. at least one polyurea crystal sag control agent that is the reaction product of an amine and an isocyanate, that has a melting point of from about 50° C. to about 150° C., and that is present in an amount of from about 0.1 to about 4 weight percent based on a total weight of the coating composition; and wherein the coating composition has a wet film thickness of at least about 30 microns measured at about 45 degrees without visible sag.
METHOD OF APPLYING A SOLVENT-BORNE COATING COMPOSITION TO A SUBSTRATE UTILIZING A HIGH TRANSFER EFFICIENCY APPLICATOR TO FORM A COATING LAYER THEREON
A method includes applying a coating composition to a substrate through a high transfer efficiency applicator to form the coating layer on the substrate wherein a loss of volatiles is less than about 0.5 weight, and wherein the coating composition comprises: A. a resin comprising an acrylic, a polyester, or combinations thereof; B. a melamine cross-linker; C. an optional pigment; D. an organic solvent; and E. at least one polyurea crystal sag control agent that is the reaction product of an amine and an isocyanate, that has a melting point of from about 50° C. to about 150° C., and that is present in an amount of from about 0.1 to about 4 weight percent based on a total weight of the coating composition; and wherein the coating composition has a wet film thickness of at least about 30 microns measured at about 45 degrees without visible sag.
THERMOSETTING COMPOSITIONS AND FORMING THREE-DIMENSIONAL OBJECTS THEREFROM
Thermoset compositions and methods for forming three-dimensional articles via an additive fabrication process, and articles made therefrom are disclosed herein. In an embodiment, a composition comprises a first network-forming component comprising a first oligomer comprising a backbone and having at least 2 polymerizable groups, one or more first network monomers, and a first network initiator. The backbone of the first oligomer comprises a polyepoxide based on Bisphenol A, F, or S, a polyepoxide based on hydrogenated Bisphenol A, F, or S, a polycarbonate, or a polyimide. The composition may further comprise a second network-forming component.