Compositions are provided which may comprise a plurality of organic additive particles, the particles comprising a polymerization product of reactants comprising a dioxane/dioxolane monomer and a vinyl co-monomer, wherein the dioxane/dioxolane monomer is an ester of (meth)acrylic acid with an alcohol comprising a dioxane moiety, an ester of (meth)acrylic acid with an alcohol comprising a dioxolane moiety, or both. Toner and additive manufacturing compositions comprising the organic additive particles are also provided.

Compositions are provided which may comprise a plurality of organic additive particles, the particles comprising a polymerization product of reactants comprising a dioxane/dioxolane monomer and a vinyl co-monomer, wherein the dioxane/dioxolane monomer is an ester of (meth)acrylic acid with an alcohol comprising a dioxane moiety, an ester of (meth)acrylic acid with an alcohol comprising a dioxolane moiety, or both. Toner and additive manufacturing compositions comprising the organic additive particles are also provided.

A method includes forming an antimicrobial blend including an antimicrobial additive combined with a polymer, and forming a medical device with the antimicrobial blend, wherein a surface of the medical device exhibits antimicrobial properties.

A process of producing a surface-modified 3-dimensional article, the process comprising the steps of providing a radiation-curable composition, building-up a 3-dimensional article by radiation-curing the radiation-curable composition layer by layer, preferably by using a stereolithography or digital light processing unit, partially removing radiation-curable composition which sticks to the surface of the 3- dimensional article, treating only a portion of the surface of the 3- dimensional article to which the radiation-curable composition is stuck with particles, applying an additional curing step to the 3-dimensional article, preferably by applying heat and/or radiation. A 3-dimensional article which can be obtained by such a process and a kit of parts comprising such a 3-dimensional article.

A system and method for manufacturing three-dimensional structures is provided. The system includes plurality of printing stations and a robotic unit configured to interact with the plurality of printing stations, each of the plurality of printing stations being arranged to be accessible by the robotic unit. Each printing station includes a station controller for controlling at least one deposition control parameter. The system further includes a system controller configured to operate the robotic unit, and wherein the system controller is communicatively coupled to the plurality of printing stations for controlling at least an execution of printing tasks being performed on the plurality of printing stations. The station controllers are at least partially controllable by means of the system controller, wherein the system controller is configured to adjust at least one deposition control parameter of each printing station independent of deposition control parameters of other printing stations of the plurality of printing stations.

The invention concerns the field of hardmetal materials and relates to hardmetals such as those which can, for example, be used as cutting material for tools. The object of the present invention is to specify hardmetals which include a novel concept for the structural composition of the hardmetals. The object is attained with hardmetals which are at least made up of hard phases in particle form and metal binder arranged therebetween, wherein a high-entropy hard phase (HEH) is composed of at least four metals (Me) of the 4th and/or 5th and/or 6th subgroup of the PTE in the form of a solid solution of carbides, nitrides, carbonitrides, oxycarbides, and/or oxycarbonitrides of the metals, wherein the respective amounts of the metals in the HEH are essentially equal.

The invention concerns the field of hardmetal materials and relates to hardmetals such as those which can, for example, be used as cutting material for tools. The object of the present invention is to specify hardmetals which include a novel concept for the structural composition of the hardmetals. The object is attained with hardmetals which are at least made up of hard phases in particle form and metal binder arranged therebetween, wherein a high-entropy hard phase (HEH) is composed of at least four metals (Me) of the 4th and/or 5th and/or 6th subgroup of the PTE in the form of a solid solution of carbides, nitrides, carbonitrides, oxycarbides, and/or oxycarbonitrides of the metals, wherein the respective amounts of the metals in the HEH are essentially equal.

According to an aspect of the present disclosure, a composite material includes: a primary phase which is an alloy including a metallic element M and a nonmetallic element X and of which at least a portion is an amorphous phase; and a secondary phase which is dispersed in the primary phase and includes a ceramic compound including the metallic element M and the nonmetallic element X and represented by M.sub.aX.sub.b (wherein a and b are each greater than 0).

A method of forming an innervated liquid crystal elastomer (iLCE) actuator comprises extruding a filament through a nozzle moving relative to a substrate, where the filament has a core-shell structure including a shell comprising a liquid crystal elastomer surrounding a core configured to induce a nematic-to-isotropic transition of the liquid crystal elastomer. The filament is subjected to UV curing as the filament is extruded, and the filament is deposited on the substrate as the nozzle moves. A director of the liquid crystal elastomer is aligned with a print path of the nozzle, and a 3D printed architecture configured for actuation is formed.

Described herein are methods and compositions for forming three-dimensional objects via material jetting processes, the methods including the repeated steps of selectively depositing a liquid thermoset material onto a surface from a nozzle of at least one jetting head in a first specified direction and exposing at least a portion of the liquid thermoset material to a source of actinic radiation in order to form a three-dimensional object from the cured thermoset material, wherein the jetting head is configured to eject droplets of the liquid thermoset material from the nozzle at prescribed elevated operating temperatures, and wherein the liquid thermoset material is chosen so as to possessing prescribed viscosity and rheological characteristics.