A polymeric blend includes a blend of polyvinylpyrrolidone (PVP) polymers. The polymeric material includes a blend of at least two PVP polymers wherein at least one of the PVP polymers has an average molecular weight of about 40,000 daltons or greater. The support material can be thermally stable at temperatures above 80 C. The support material is disintegrable in aqueous solutions such as tap water.

A support material for use in an additive manufacturing system includes a copolymer of vinyl pyrrolidone (VP) monomers and elastomeric monomers. The elastomeric monomers and the VP monomers are covalently bonded and copolymerized. The support material is thermally stable even at temperatures above 80 C. and is disintegrable in aqueous solutions such as tap water.

Methods of increasing thermal conductivity of a bulk polymer are provided. The methods include contacting a bulk polyelectrolyte polymer comprising an ionizable repeating pendant group with an aqueous liquid having a pH that ionizes the pendant group and isotropically extend the polyelectrolyte polymer to an extended non-globular chain conformation. The polyelectrolyte polymer so treated thus exhibits a thermal conductivity of greater than or equal to about 0.6 W/m.Math.K and optionally greater than or equal to about 1 W/m.Math.K. In other aspects, the present disclosure provides a high thermal conductivity material comprising a bulk polyelectrolyte polymer bearing a repeating charged group and having an extended non-globular chain conformation and that exhibits a thermal conductivity of greater than or equal to about 0.6 W/m.Math.K and optionally greater than or equal to about 1 W/m.Math.K. The high thermal conductivity material may be used in electronic devices, including as housings/encapsulation and thermal interfaces.

A carbon material having a continuous porous structure oriented to the stretching axis is provided, which carbon material can be used as a structural material excellent in interfacial adhesion. The porous carbon material has a continuous porous structure in at least a portion thereof, in which the continuous porous structure has an orientation degree measured by a small-angle X-ray scattering method or an X-ray CT method of 1.10 or more.

Hydrodynamic focusing of two fluid steams provides a novel micro printing technology for printed electronics and other high performance applications.

The present invention relates to a solid form, particularly to a 3D-printed immediate release solid dosage form (e.g. based on a pharmaceutical, nutraceutical, or food supplement composition). To overcome some of the solubility and disintegration problems inherited by 3D-printed solid dosage forms, the solid form comprises one or more channels, generally in the form of tubular passages or grooves, through the body of the solid form or the surface thereof.

A composition is provided for manufacturing contact lenses including a siloxane macromer represented by the following formula (I): ##STR00001##
wherein R1, R2 and R3 are independently C1-C4 alkyl groups, R4 is C1-C6 alkyl group, R5 is a residue obtained by removing NCO group from an aliphatic or aromatic diisocyanate, R6 and R7 are independently alkylene groups, and n is an integer of about 4-80, m is an integer of about 3-40; a crosslinking agent or a siloxane macromer represented by the following formula (II), wherein p is an integer of 4-80 and q is an integer of 3-40: ##STR00002##
and an initiator.

Methods for manufacturing contact lenses are provided. In an embodiment, the method includes mixing a siloxane macromer represented by the following formula (I), a hydrophilic monomer, a crosslinking agent or a siloxane macromer represented by the following formula (II), and an initiator to form a mixture. Then the mixture is injected into a mold of contact lens and heated to form contact lenses. The formula (I) and the formula (II) are shown respectively as the following: ##STR00001##
wherein R1, R2 and R3 are independently C1-C4 alkyl groups, R4 is C1-C6 alkyl group, R5 is a residue obtained by removing NCO group from an aliphatic or aromatic diisocyanate, R6 and R7 are independently alkylene groups, and n is an integer of 4-80, m is an integer of 3-40. ##STR00002##
wherein p is an integer of 4-80 and q is an integer of 3-40.

Provided is a material set for forming a three-dimensional object, the material set including: a first liquid material for forming a three-dimensional object; and a second liquid material for forming a three-dimensional object, wherein the first liquid material contains a solvent, an organic compound A, and inorganic particles, and wherein the second liquid material contains an organic compound B having reactivity with the organic compound A.

Three-dimensional printing processes are disclosed which utilize printable fluids comprising a carrier fluid, a polymeric binder, and nanoparticles. The three-dimensional printing processes are useful for making articles from a build material powder, e.g., a ceramic, metal, metal alloy, or intermetallic powder. The nanoparticles enable low temperature interparticle bonding of the build material powder particles, e.g., by forming bridging bonds between adjacent powder particles, and/or increasing the interparticle friction between the build material powder particles to enhance the structural strength of the as-built article during a thermal treatment over at least a part of the temperature range which has as its low end the temperature at which the structural strength due to the binder becomes insubstantial and as its high end the temperature at which the structural strength due to interparticle sintering of the build material powder becomes substantial, i.e., the article's debile temperature range. Green density improvements are achievable.