Patent classifications
C08J2327/16
ANTIBACTERIAL MOLDED ARTICLE AND METHOD FOR PRODUCING SAME
An antibacterial molded article that can further increase antibacterial performance. The present invention for achieving the above object is related to an antibacterial molded article including a resin molded article. The resin molded article has an antibacterial area on a surface of the resin molded article, the antibacterial area having a prominent protrusion ratio of 3% or greater and 25% or less. Alternatively, the resin molded article has an antibacterial area on a surface of the resin molded article, the antibacterial area having: a maximum height of profile defined by JIS B 0601 (2013) of 100 nm or greater and less than 500 nm, and a plurality of capture protrusions having a height of not less than half the maximum height of profile (Rz), in which an average distance between the plurality of capture protrusions is 1.5 μm or greater and 7 μm or less.
PVDF EXTRUSION AGENT CONTAINING INTERFACIAL AGENT
Disclosed is a polymer process aid used to reduce or eliminate surface defects that can arise during extrusion of thermoplastic polymers. The polymer process aid comprises a thermoplastic vinylidene fluoride copolymer (A) having a melt viscosity at or above 25 kP. The VDF copolymer can be a VDF/HFP copolymer. The polymer process aid also contains at least one interfacial agent (B). Also disclosed is 1) a masterbatch (D) and articles containing the polymer process aid (A/B).
PIEZOELECTRIC POLYMER BLEND AND COMPOSITE COMPOSITIONS INCLUDING LITHIUM-DOPED POTASSIUM SODIUM NIOBATE
A polymer composite exhibiting piezoelectric properties can be formed for flexible and/or thin film applications, in which the polymer composite includes a polymer matrix and a piezoelectric ceramic filler embedded in the polymer matrix. The polymer matrix may include at least two polymers: a first polymer and a second polymer. The first polymer may be a fluorinated polymer, and the second polymer may be compatible with the first polymer and have a dielectric constant of less than approximately 20. The piezoelectric ceramic filler can be lithium doped potassium sodium niobite (KNLN), and be approximately 40-70% by volume of the polymer composite. The remaining 30-60% by volume may be the polymer matrix, which may itself be approximately 5-20% by weight second polymer and 80-95% fluorinated polymer.
Filtration method using porous membrane
Provided is a filtration method that includes a cleaning step and involves the use of a porous membrane, wherein the filtration method offers exceptional resistance to cleaning solutions (chemicals) (chemical liquid resistance) and exceptional filtration performance, and has a long service life. A filtration method includes the following steps: a filtration step in which a liquid to be processed that contains a material to be filtered is passed through a porous membrane configured from a resin having a three-dimensional mesh structure, and a filtrate is separated from the material to be filtered; and a cleaning step in which the porous membrane has a cleaning solution passed therethrough or is immersed in the cleaning solution so that the interior of the porous membrane is cleaned.
Composite membrane including ion-conductive polymer layer and gas blocking inorganic particles, method of preparing the composite membrane, and lithium air battery including the composite membrane
A composite membrane includes an ion-conductive polymer layer; and a plurality of gas blocking inorganic particles non-continuously aligned on the ion-conductive polymer layer, wherein the composite membrane has a radius of curvature of about 10 millimeters or less.
Method of uniformly dispersing nickel-plated conductive particles of single layer within polymer film by applying magnetic field to polymer film and method of fabricating anisotropic conductive film using the same
Disclosed are a method of uniformly dispersing nickel-plated conductive particles of a single layer within a polymer film by applying a magnetic field to the polymer film and a method of fabricating an anisotropic conductive film using the same. The method of fabricating a film may include forming a liquefied polymer layer by roll-to-roll coating a polymer solution in which a plurality of conductive particles has been mixed, dispersing the plurality of conductive particles included in the liquefied polymer layer by applying a magnetic field to the liquefied polymer layer, and fabricating a solid polymer layer limiting a movement of the plurality of dispersed conductive particles by drying the liquefied polymer layer in which the plurality of conductive particles has been dispersed.
POLYMER ADDITIVE COMPRISING ZWITTERIONIC MOIETIES FOR VINYLIDENE FLUORIDEPOLYMER BASED MEMBRANES
The present invention pertains to composition suitable for manufacturing membranes based on vinylidene fluoride (VDF) polymers, to porous membranes thereof, to methods for their manufacture and to uses thereof, especially for the filtration of water phases. Said composition comprising vinylidene fluoride (VDF) polymers and polymer additives comprising zwitterionic moieties delivers outstanding hydrophilization performances of manufactured membranes.
Layers for the detection of oxygen
Described is an oxygen permeable layer for detection of molecular oxygen, wherein the layer has a carrier material in which at least one particle is comprised, wherein the carrier material is polyvinylidene fluoride or a copolymer of polyvinylidene fluoride, and the particle comprises a polymer or a copolymer, wherein the polymer or copolymer of the particle has a chemically covalently bonded indicator compound for detection of molecular oxygen. In addition, a multilayer system for detection of molecular oxygen is described. Also described are a method for producing the layer, and the use of the layer or of the multilayer system for detection of molecular oxygen.
Process for manufacturing a solution of a fluorocopolymer
A process for manufacturing a solution of a fluorocopolymer in a solvent, the solvent having a boiling point above or equal to 150° C. at 1013 hPa and/or a saturation vapour pressure less than or equal to 5 hPa at 20° C., the process including a step of mixing said fluoropolymer with the solvent in a reactor having a stirring spindle including at least one blade, at a mixing temperature ranging from 40° C. to 100° C., and at a blade tip stirring speed of greater than or equal to 0.1 m/s, until said polymer has dissolved in the solvent. Also, a solution of the copolymer in this solvent that includes no co-solvent having a boiling point strictly below 150° C. at 1013 hPa and/or a saturation vapour pressure strictly greater than 5 hPa at 20° C.
Porous hollow fiber membrane and method for producing porous hollow fiber membrane
Provided is a porous hollow fiber membrane made of a thermoplastic resin, wherein a membrane thickness is 0.050 mm or larger and 0.25 mm or smaller, and when a strength coefficient is defined as K=(compressive strength)/((membrane thickness)/(inside diameter/2)).sup.3, K=1.7 or more.