B29K2995/0092

ANTIVIRAL ARTICLES

Provided is a textile made of filament yarn comprising a polymer composition that is durable and reusable having permanent or near-permanent antiviral properties and that includes a polymer, a metal ion, preferably a zinc and/or copper ion, and an optional phosphorus compound, wherein fibers and/or fabric formed from the polymer composition demonstrate antiviral properties and wherein the polymer is hygroscopic. The present disclosure also describes methods of forming the polymer compositions and methods of preparing fibers from the polymer composition.

GLOVES WITH DURABLE LUBRICITY AND IMPROVED WET DONNING, AND METHODS THEREOF
20220119669 · 2022-04-21 ·

The invention provides a novel hydrophilic polymer and rubber polymer microparticles blend coating formulation and compositions thereof for rubber gloves to improve wet donning properties for easy application. More particularly, the invention relates to a novel hydrophilic polymer and rubber polymer microparticles blend coating formulation and compositions thereof, and their use on gloves to form hydrophilic and flexible coatings with durable lubricity. The gloves of the invention exhibit good donnability, tensile strength, elongation to break, and stress at 500% elongation.

HYDROPHILIC COMPOSITE
20210347988 · 2021-11-11 ·

Hydrophilic composite structures are made by impregnating a 3DL structure with a polyurethane foam formulation and curing the formulation to produce a foam that occupies the spaces in the 3DL structure. The composite structures have an unusually good capacity for retaining water even when under compressive forces. They also exhibit at most moderate swelling when saturated with water. The foam is useful as a layer of a water containment system such as a green roof or blue roof system.

Method of producing porous molded body

A molding device produces a porous film from a molding material which is an emulsion. In a case where a volume of a dispersed phase is X1 and a volume of a continuous phase is X2, the molding material has a value of X1/(X1+X2) within a range of 0.5 or more and 0.9 or less. In the molding material, a specific gravity of the dispersed phase is greater than a specific gravity of the continuous phase. The molding material includes a water phase containing a curable compound as the continuous phase, and forms a liquid film on a support. Thereafter, the curable compound in the liquid film is cured. After curing, the dispersed phase is removed.

Silicone hydrogel lens with a crosslinked hydrophilic coating
11747519 · 2023-09-05 · ·

The invention is related to a cost-effective method for making a silicone hydrogel contact lens having a crosslinked hydrophilic coating thereon. A method of the invention involves autoclaving, in a sealed lens package, a silicone hydrogel contact lens having a base coating of polyacrylic acid thereon in an aqueous solution in the presence of a water-soluble, crosslinkable hydrophilic polymeric material having epoxide groups, for a period of time sufficient to covalently attach the crosslinkable hydrophilic polymeric material onto the surface of the silicone hydrogel contact lens through covalent linkages each formed between one epoxide group and one of the carboxyl groups on and/or near the surface of the silicone hydrogel contact lens.

Drug delivery devices with drug-permeable component and methods
11744998 · 2023-09-05 · ·

Drug delivery devices having a drug-permeable component and methods of making and using the same are provided. Drug delivery devices include a housing having a first and second wall structures that are adjacent one another and together form a tube defining a drug reservoir lumen. The second wall structure, or both the first wall structure and the second wall structure, are permeable to water, and the first wall structure is impermeable to the drug while the second wall structure is permeable to the drug, such that the drug is releasable in vivo by diffusion through the second wall structure.

Methods and precursor formulations for forming advanced polishing pads by use of an additive manufacturing process

Embodiments of the present disclosure relate to advanced polishing pads with tunable chemical, material and structural properties, and new methods of manufacturing the same. According to one or more embodiments of the disclosure, it has been discovered that a polishing pad with improved properties may be produced by an additive manufacturing process, such as a three-dimensional (3D) printing process. Embodiments of the present disclosure thus may provide an advanced polishing pad that has discrete features and geometries, formed from at least two different materials that include functional polymers, functional oligomers, reactive diluents, addition polymer precursor compounds, catalysts, and curing agents. For example, the advanced polishing pad may be formed from a plurality of polymeric layers, by the automated sequential deposition of at least one polymer precursor composition followed by at least one curing step, wherein each layer may represent at least one polymer composition, and/or regions of different compositions. Embodiments of the disclosure further provide a polishing pad with polymeric layers that may be interpenetrating polymer networks.

DEVICE AND METHOD FOR STEREOLITHOGRAPHIC THREE DIMENSIONAL PRINTING

The present invention refers to a device and method for stereolithograpic three dimensional (3D) printing comprising: a) a container adequate for containing a photopolymerizable polymer, b) at least one laser generator emitting a light beam with a wavelength between 360 nm and 1000 nm, c) modulation means for modulating said light beam into at least two light sheets which are matrices of light, and d) means for irradiating said light sheets in the container containing said photopolymerizable polymer; wherein said at least one laser generator is arranged so that said at least two light sheets are crossed inside said container, leading to polymerization of the photopolymerizable polymer at the crossing of said light sheets.

COMPOSITIONS AND RESULTING HARD CAPSULES COMPRISING HYDROPHILIC COLORING FOODSTUFF CONCENTRATES

An aqueous composition for making dip-molded comestible hard capsules comprising a film forming capsule base material and one or more colorants each consisting of a hydrophilic coloring foodstuff concentrate.

PHOTOCURABLE INKJET INK AND METHOD FOR MANUFACTURING THREE-DIMENSIONAL OBJECT
20220282111 · 2022-09-08 · ·

The photocurable inkjet ink contains: a radical polymerizable compound; a photoinitiator; and a thixotropic agent, and has a first viscosity of 1,000 mPa.Math.s or less as measured at a shear rate of 10,000 s.sup.−1, and a second viscosity of 10,000 mPa.Math.s or more as measured at a shear rate set to 10.sup.−1 s.sup.−1 after a shear force is continuously applied at the shear rate of 10,000 s.sup.−1 for 30 seconds.