Abstract: The invention relates to polymeric compositions, nanoparticles and vaccines comprising polymeric compositions. The invention extends to medical uses of the polymeric compositions, nanoparticles and vaccines. The invention further extends to methods of producing the polymeric compositions and nanoparticles.

Abstract: This application proposes a polyamide-imide copolymer film and a flexible display. The polyamide-imide copolymer film is obtained by copolymerizing aromatic dianhydride and aromatic dicarbonyl compound with aromatic diamine. Wherein, the aromatic dicarbonyl compounds include fluorinated aromatic dicarbonyl compound and non-fluorinated aromatic dicarbonyl compound. The polyamide-imide copolymer film can obtain a very low yellow degree index and dual refractive index, which is suitable for the substrate production of flexible display.

Abstract: A process for preparing a sulfur copolymer, a sulfur copolymer, and a polymer composition containing one or more sulfur copolymers are provided. The process involves copolymerizing a cyclic monothiocarbonate compound of formula wherein R1 and R2 are independently of one another hydrogen, C1-C18-alkyl, C1-C18-alkyl substituted with halogen or interrupted with O or S; C6-C18-aryl or C6-C12-aryl substituted with C1-C4-alkyl, C1-C4-alkoxy, C1-C4-alkylthio or halogen; with elemental sulfur in the presence of a polymerization initiator.

Abstract: A sol comprising a solvent, an alkoxide, a catalyst, and a protein, wherein the protein is a plant-derived protein, an animal-derived protein, a fungus-derived protein, or any combination thereof. The sol may be used to immobilise pigment. The sol may be used to form a fluid resistant or impermeable barrier and/or a free-standing unsupported structure.

Abstract: A grease composition contains a base oil, a thickener, and a conductive additive (A), the base oil is a trimellitic acid ester, the conductive additive (A) is a mixture containing sepiolite and bentonite and is an organically modified additive, and an amount of the conductive additive (A) with respect to a total amount of the base oil, the thickener, and the conductive additive (A) is 3 to 10 mass %.

Abstract: The invention describes the compositions and the process of obtaining an asphaltic concrete for a single base and binder course (layer) of the road structure, composed of a bituminous mixture, containing aggregates derived from crushed and sorted recycled glass 0/4 and 4/8 mm and shredded plastic 0/10 mm. The new material is made up in two recipes: with total or partial replacement of conventional mineral aggregates: sand, rock aggregates and filler. The recipe partially replacing, but at least 20%, the conventional mineral aggregates, meets all the requirements according to AND IND 605-2018, required for the roads of technical class 3, 4 and 5. The process of obtaining the new asphalt mixture material is characterized by the fact that the glass is mixed together with the aggregates and the filler at 160-180° C., bitumen heated to 180° C. is added and, after mixing the mixture for 30-35 sec., the shredded plastic constituent is added and further mixed for 10-15 sec.

Abstract: The present invention relates to a bituminous composition suitable for forming sealing membranes comprising, in bitumen-based matrix, fillers C that represent 21 to 40% of the total mass of the composition and that are constituted of inorganic particles Ci and polymeric particles Cp of crystal polystyrene or high-impact polystyrene, the mass of polymeric particles Cp representing 1 to 10% of the total mass of the composition and the mass of bitumen representing 40 to 70% of the total mass of the composition. The invention also relates to the method for obtaining such compositions and to the sealing membranes obtained with them.

Abstract: The present invention relates to [1] a polyester emulsion for modifying asphalt that contains polyester particles having a volume median particle diameter (D50) of 20 nm or more and 500 nm or less and water, [2] a method for producing the polyester emulsion for modifying asphalt of the above [1], the method including a step of adding an aqueous medium to a molten polyester having a weight average molecular weight of 2,000 to 100,000, and [3] an asphalt emulsion composition containing an asphalt emulsion and the polyester emulsion of the above [1].

Abstract: Composite particles of the present invention include alumina particles and an inorganic coating disposed on a surface of the alumina particles, the alumina particles containing molybdenum (Mo), the inorganic coating including a composite metal oxide.

Abstract: A metallic pigment preparation that is composed of a metallic pigment, and a passivating agent and a neutralizing agent. The preparation can be provided in a non-dusting form, particularly in the shape of the pellet. The preparation can be easily stirred into aqueous or solvent-based liquid formulations. The preparation can also be used in natural rubber or synthetic latex.

Abstract: An object to be achieved by the present invention is to provide a pigment which is comfortable and smooth to the touch in a coating, spreads well on the skin, for example, when used in a cosmetic material such as a foundation or an eye shadow, and exhibits good color development and gloss. A pigment of the present invention is a coated pigment formed by coating a surface of a flaky base material made of at least one metal or metal oxide with a colorant. The surface of the flaky base material has a coarse particle area fraction of 9% or less. Further, it is preferable that the flaky base material be at least one or more selected from the group consisting of mica, aluminum, alumina, and glass.

Abstract: The present invention is directed to film-forming compositions comprising: a) a non-chlorinated, linear polyolefin polymer comprising 0.5 to 10 percent by weight residues of an ethylenically unsaturated anhydride or acid; b) an aminoplast; and c) a component comprising: i) at least one non-chlorinated hydrocarbon having at least 18 carbon atoms and optionally aromatic groups and/or oxygen heteroatoms; and/or ii) an alkyd resin. The present invention is also drawn to methods of improving fuel resistance of a coated article, comprising: (1) applying the film-forming composition to a substrate to form a coated substrate; (2) optionally subjecting the coated substrate to a temperature for a time sufficient to cure the film-forming composition; (3) applying at least one curable film-forming composition to the coated substrate to form a multi-layer coated substrate; and (4) subjecting the multi-layer coated substrate to a temperature and for a time sufficient to cure all of the film-forming compositions.

Abstract: Disclosed herein in is a radiative cooling formulation including a solvent for providing a viscosity of a radiative cooling material for application onto a surface to be passively cooled. The radiative cooling formulation includes a binder for the radiative cooling material's integrity and bonding to the surface to be passively cooled. The radiative cooling formulation includes a polymer, which, in combination with the binder, provides one or more properties in the radiative cooling material, including a reflectance of or greater than 55% in a wavelengths range of 0.3 to 2.5 microns and a first thermal emissivity peak value greater than 0.85 at a first wavelength in a range of 8 to 13 microns (?m). For example, the polymer is a latex material including a styrene based copolymer.

Abstract: The invention is targeted mainly at a polymer powder suitable for 3D printing by sintering, comprising: (a) a polymer composition comprising at least one thermoplastic elastomer; (b) a pigment composition comprising at least one pigment exhibiting an absorbance of the light with a wavelength of 1000 nm, as measured according to the standard ASTM E1790, of less than 50%; and also, if appropriate, (c) one or more fillers or reinforcements; and (d) one or more additional additives. The invention is also targeted at a process for the preparation of said powder and also at the use of said powder for 3D printing by sintering. Finally, it is targeted at the use of a pigment exhibiting an absorbance of the light with a wavelength of 1000 nm, as measured according to the standard ASTM E1790, of less than 50% to improve the definition and/or the mechanical properties of the articles printed by a process of 3D printing by sintering of a thermoplastic elastomer powder.

Abstract: This flat conductive plate provided with an insulating film includes a flat conductive plate which is a punched product, and an insulating film which coats at least a part of the flat conductive plate, the insulating film is an electrodeposited film, the insulating film includes a polyamide-imide resin and a fluorine-based resin, an amount of the fluorine-based resin with respect to a total amount of the polyamide-imide resin and the fluorine-based resin is in a range of 72% by mass or more and 95% by mass or less, a relative permittivity at 25° C. is in a range of 2.2 or more and 2.8 or less, and an average film thickness is in a range of 5 ?m or more and 100 ?m or less.

Abstract: The present disclosure provides an expanded coating, a preparation method and use thereof, and a permanent magnet comprising same. The expanded coating described herein comprises pores and a filler resin arranged among the pores; the pores comprise at least a spheroid pore having a cross section with a long diameter and a short diameter; in the cross section of the expanded coating, the area of the spheroid pores accounts for 50%-60% of the cross-sectional area of the expanded coating. The permanent magnet of the present disclosure comprises the expanded coating. The expanded coating has high strength and can exhibit excellent mechanical properties and corrosion resistance at high temperatures (such as 170° C.), with a shear strength greater than 2 MPa, a tensile strength greater than 2 MPa, an oil resistance greater than 1800 h and a neutral salt spray performance greater than 288 h at 170° C.

Abstract: Described herein are ink compositions that will not contaminate recycled plastic materials that come in contact with the inks; labels printed with such inks; and plastic articles having labels printed with such inks; and methods for printing with such inks, and recycled plastic material, such as recycled PET, that has little to no contamination from such inks. For example, during recycling, plastic containers that have been labelled with such inks are subjected to hot caustic wash solutions that cause the ink to separate the labels, When the inks described herein are removed from the label, they form a solid or precipitate, as opposed to dissolving in the hot caustic wash solution. The solid or precipitate is easily separated from the recycled plastic and wash solution, such as by filtration. The separated ink does not contaminate or stain the recycled plastic, or does so to a degree that is tolerable.

Abstract: In an ink composition for printing on metal, the use of a resin having a certain acid value that constitutes the ink composition in combination with the addition of alkanolamine to the ink composition can reduce the generation of misting and maintain practical flowability. In other words, an ink composition for printing on metal including a color pigment, resins and a solvent may be employed, wherein at least some of the resins have an acid value of 25 mg KOH/g or more, and the ink composition further includes an alkanolamine compound.

Abstract: [Object] To provide a laminate having inorganic nanoparticle-containing surface layer that exhibits a low gloss appearance and inorganic nanoparticle-containing radiation-curable ink. [Resolution Means] A laminate of an embodiment of the present disclosure has a substrate and a surface layer containing a cured product of a radiation-curable ink, the radiation-curable ink containing inorganic nanoparticles, a polyether-modified polymer, and at least one selected from the group consisting of a radiation-curable polymerizable oligomer and a radiation-curable polymerizable monomer, and the surface layer having a 60° surface glossiness of 50.0 GU or less.

Abstract: An object is to obtain a white ink which is easy to redisperse and is redispersible by being shaken several tens of times with weak force at most, or alternatively, without being shaken. As a solution, a white ink composition is provided which contains 5.0 to 20.0% by mass of a titanium oxide in an ink composition; 3.0 to 60.0 parts by mass of a solid content of alkali-soluble resin relative to 100 parts by mass of a pigment or pigments in the ink composition, wherein building blocks of the alkali-soluble resin are styrene; stearyl acrylate and/or lauryl acrylate; and acrylic acid, and the alkali-soluble resin has a weight-average molecular weight of 10,000 or more, an acid value of 100 mgKOH/g or more, and a glass transition temperature of 50° C. or more; and a surfactant.

Abstract: An aqueous colored pigment-based ink that is capable of fluorescence, has a pigment colorant in an amount of 1-7 weight %; a non-polymeric fluorophore that when excited by fluorescence-exciting radiation having a peak of at least 200 nm and up to and including 400 nm, exhibits an emission peak of at least 400 nm and up to and including 750 nm, and which non-polymeric fluorophore is present in an amount of 0.1-2 weight %; and an aqueous medium comprising water. This aqueous colored pigment-based ink can be included in an ink set that also includes one or more aqueous colored pigment-based inks that are non-fluorescent. All of these inks can be inkjet printed on non-UV fluorescent substrates to provide images that can be detected when excited as noted above, which images can be provided on documents, lottery tickets, and other security papers.

Abstract: There is provided that a curable composition containing a polymerizable compound, a photopolymerization initiator, and solvent, wherein the polymerizable compound contains at least a compound having one of an aromatic structure, an aromatic heterocyclic structure, and an alicyclic structure, the curable composition has viscosity of not less than 2 mPa·s and not more than 60 mPa·s at 23° C., in a state in which the solvent is removed, the curable composition has a viscosity of not less than 30 mPa·s and not more than 10,000 mPa·s at 23° C., and a content of the solvent with respect to the whole curable composition is not less than 70 vol % and not more than 95 vol %.

Abstract: Provided is an ink composition that is obtained by using an ultraviolet-curable urethane acrylate resin together with a tungsten-based infrared-absorbing pigment and an ultraviolet-absorbing fluorescent pigment. Specifically, this infrared-absorbing ultraviolet-curable ink contains: a tungsten-based infrared-absorbing pigment; a UV-absorbing fluorescent pigment; a UV-curable urethane acrylate resin; and a UV-curable acrylic resin that does not contain a urethane bond.

Abstract: There is provided an aqueous pigment dispersion that makes it possible to prepare an environmentally conscious aqueous inkjet ink in which a pigment is finely dispersed in a stable manner and at a high level and which is capable of recording an image having excellent durability, glossiness, color developability, and adhesiveness to various printing substrates. The aqueous pigment dispersion is an aqueous pigment dispersion containing a pigment, water, a water-soluble organic solvent, and a polymeric dispersant that disperses the pigment, wherein the polymeric dispersant is a polymer including a constitutional unit (i) derived from at least one of (meth)acrylic acid and itaconic acid, and a constituent unit (ii) derived from a (meth)acrylate derived from biological material, such as ethyl (meth)acrylate, having an acid value of 30 to 250 mgKOH/g, having a number average molecular weight of 1,000 to 30,000, and having a polydispersity index (weight average molecular weight/number average molecular weight) of 2.

Abstract: The present invention relates to a coated body comprising a decorative layer having excellent visibility and gradation characteristics and a wide color reproduction region, and more particularly, to a coated body comprising a substrate and a decorative layer, in which the decorative layer is formed from an ink set comprising at least a cyan ink, a magenta ink, and a yellow ink, and all of Ch, Mh, and Yh are 10% or more, in which Ch, Mh, and Yh are contrast ratios (%) of dried films having a thickness of 10 ?m formed from the cyan ink, the magenta ink, and the yellow ink, respectively, and all of the following Relational Expressions (1) to (3) are satisfied: 0?|Ch?Mh|?25%;??Expression (1) 0?|Mh?Yh|?25%; and??Expression (2) 0?|Yh?Ch|?25%.

Abstract: An aqueous colored pigment-based ink that is capable of fluorescence, has a pigment colorant in an amount of 1-7 weight %; a non-polymeric fluorophore that when excited by fluorescence-exciting radiation having a peak of at least 200 nm and up to and including 400 nm, exhibits an emission peak of at least 400 nm and up to and including 750 nm, and which non-polymeric fluorophore is present in an amount of 0.1-2 weight %; and an aqueous medium comprising water. This aqueous colored pigment-based ink can be included in an ink set that also includes one or more aqueous colored pigment-based inks that are non-fluorescent. All of these inks can be applied using continuous inkjet (CIJ) printing, onto non-UV fluorescent substrates to provide images that can be detected when excited as noted above, which images can be provided on articles such as security documents, currency, and lottery tickets.

Abstract: A quantum dot oil-based ink is provided. The quantum dot oil-based ink includes a quantum dot material, a dispersing solvent, a viscosity modifier, and a surface tension modifying solution. The dispersing solvent includes a linear alkane having 6 to 14 carbon atoms. The viscosity modifier includes an aromatic hydrocarbon having 10 to 18 carbon atoms or a linear olefin having 16 to 20 carbon atoms. The surface tension modifying solution includes a hydrophobic polymer material and a nonpolar solvent.

Abstract: A quantum dot composition, a preparation method therefor, and a cured film, a color filter and a display device that comprise the same are described. Specifically, a solventless quantum dot composition comprises quantum dots, which are surface-treated with two types of ligands. As a result, the quantum dot composition exhibits low viscosity, excellent optical properties, and high storage stability.

Abstract: A printed material (100) has a base substance (1), an absorption part (22) (a near infrared ray absorbing layer (3)) that is provided on the base substance (1) to contain a near infrared ray absorbing material, and a code shape (20) that is formed in a predetermined shape from the absorption part (22) or by covering a part of the absorption part (22) and that outputs code information (CI), upon irradiation with light of near infrared rays, as reflected light of the light of near infrared rays, where in the near infrared ray absorbing material, in a case where an integral value of transmittance of visible light at 400 nm to 750 nm is denoted as a first integral value X1, and an integral value of transmittance in a 20 nm width that is centered on a predetermined wavelength ? of the light of near infrared rays is denoted as a second integral value X2, a ratio R=X2/X1 between the second integral value X2 and the first integral value X1 is 0.09 or more.

Abstract: The present disclosure, in various examples, provides copper nanoparticle conductive inks and methods for making such conductive inks. The conductive ink may be deposited without the need for subsequent annealing. The conductive ink composition may include a slurry of copper nanoparticles in water. The copper nanowires may be made from copper or a copper alloy. The copper nanoparticles may be copper nanowires, such as high aspect ratio copper nanowires. The copper nanoparticles may be encapsulated by nickel, a nickel-rich material, zinc, aluminum, iron, or other metals or metal alloys.

Abstract: An article comprising a heater that comprises a high-resistance magnification (HRM) PTC ink deposited on a flexible substrate to form one or more resistors. The HRM PTC ink has a resistance magnification of at least 20 in a temperature range of at least 20 degrees Celsius above a switching temperature of the ink, the resistance magnification being defined as a ratio between a resistance of the double-resin ink at a temperature ‘T’ and a resistance of the double-resin ink at 25 degrees Celsius.

Abstract: An ink set includes a water-based ink and a water-based maintenance fluid. The water-based ink includes a colorant and at least one solvent whose SP value is 27.5 (MPa)(1/2) or higher in an amount of 30% by mass or more relative to a total mass of the solvents included in the water-based ink. The water-based maintenance fluid includes at least one solvent whose SP value is 25.0 (MPa)(1/2) or higher in an amount of 70% by mass or more relative to a total mass of the solvents included in the water-based maintenance fluid. A numerical value calculated by formula (1) is 1 or higher: a?b (1). a is a mass-weighted average of SP values (MPa)(1/2) of solvents included in the water-based ink, and b is a mass-weighted average of SP values (MPa)(1/2) of solvents included in the water-based maintenance fluid.

Abstract: The present invention provides writing compositions that are capable of being erased or changed in color chemically. The present invention also provides erasing media for erasing or changing the color of marks produced with the writing compositions, as well as writing systems and incorporating the erasing media and the writing compositions. The present invention further provides writing instruments produced using the writing compositions.

Abstract: This document provides polymer compositions (e.g., biopolymer compositions) and coatings. For example, methods and materials related to polymer compositions (e.g., biopolymer compositions) and coatings as well as methods and materials for making and using such compositions (e.g., biopolymer compositions) and coatings are provided.

Abstract: A coated article having recyclability properties including a combination of: (a) at least one polyolefin polymer article; and (b) a coating layer of a waterborne acrylic-based matte coating composition having a recyclability property, wherein the recyclability property of the waterborne acrylic-based matte coating composition is such that when the article with the waterborne acrylic-based matte coating composition is reprocessed, the article with the waterborne acrylic-based matte coating composition exhibits at least less than a 30% decreased change in performance compared to a control article without the waterborne acrylic-based matte coating composition; wherein both the control article and the article with the waterborne acrylic-based matte coating composition are both reprocessed the same way; a recyclable coated film structure including at least: (a) at least one first polymer film layer; and (b) at least one coating layer of the above recyclable waterborne acrylic-based matte coating composition; and a

Abstract: According to the present invention, a coating composition which contains (A) a hydrolyzable silyl group-containing acrylic resin, (B) an organopolysiloxane that is represented by average unit formula (I), and (C) a curing catalyst is able to be produced by a simple process; and this coating composition forms a cured coating film that has excellent cracking resistance. coating film hardness, chemical resistance, alkali resistance, heat resistance and weather resistance. (SiO4/2)a(R1SiO3/2)b(R12SiO2/2)c(R13SiO1/2)d(R2O1/2)e??(I) (In the formula, each R1 independently represents a substituted or unsubstituted monovalent hydrocarbon group having 1 to 12 carbon atoms, and at least one of the R1 moieties represents a substituted or unsubstituted aryl group having 6 to 12 carbon atoms; R2 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; a, b, c and d represent numbers that satisfy, 0?a<1, 0<b<1, 0<c?0.

Abstract: A method for producing a porous body of the present disclosure includes: preparing a solution including a bi- or higher-functional polymerizable monomer and a solvent compatible with the polymerizable monomer, and not including a polymerization initiator; effecting direct radicalization of the polymerizable monomer included in the solution, polymerizing the polymerizable monomer, and forming, from the solution, a phase separation product including a porous body and the solvent; and vaporizing the solvent included in the phase separation product, the solvent including a predetermined solvent such as diethylene glycol diethyl ether.

Abstract: There is provided a resin composition exhibiting excellent dielectric properties, high adhesion to a low-roughness surface, heat resistance, and excellent water-resistant reliability. This resin composition includes an arylene ether compound having a weight average molecular weight of 30000 or higher and a styrenic copolymer having, in its molecule, a reactive unsaturated bond that exhibits reactivity by heat or an ultraviolet ray.

Abstract: Provided are a resin composition for a coating film, containing a polymer which has at least one of a structural unit represented by Formula (I-A) or a structural unit represented by Formula (I-B), and a structural unit represented by Formula (II), in which, in the polymer, a total of respective contents of the structural unit represented by Formula (I-A) and the structural unit represented by Formula (I-B) is 10% by mass or more, and a content of the structural unit represented by Formula (II) is 10% by mass or more; the polymer; a method for producing a polymer, in which a total of respective contents of the structural unit represented by Formula (I-A) and the structural unit represented by Formula (I-B) is 10% by mass or more, and a content of a structural unit represented by Formula (II-2) is 10% by mass or more; a coating film containing the polymer; and a method for forming a coating film.

Abstract: A coating composition comprising (a) a polyester binder material; and (b) a feathering reducing agent. The feathering reducing agent is selected from (i) an acrylic feathering reducing agent comprising a functional group selected from hydroxyl, epoxide, phosphatized epoxide and/or acid-functional; (ii) a hydroxy-functional polyester feathering reducing agent; (iii) a feathering reducing agent comprising a functional group selected from amine, amide, imine and/or nitrile; (iv) a phosphatized epoxy feathering reducing agent; (v) a phenolic resin feathering reducing agent; and/or (vi) a feathering reducing agent comprising an oxazolyl functional group. The invention extends to a substrate coated with the coating composition and use of the coating composition to reduce feathering.

Abstract: Disclosed herein is a coating composition being a basecoat or a clearcoat composition and including at least one polymer as a film-forming binder (A), nanoparticles (B) containing at least one noble metal and/or at least one alloy and/or oxide thereof, as well as water and/or at least one organic solvent as component (C) being present in the coating composition in an amount of at least 30 wt.-%, based on the total weight of the composition. Further disclosed herein are a coating film and a coating obtainable from the coating composition, a method of forming a coating film and a coating at least partially onto at least one surface of a substrate, and an at least partially coated substrate obtainable by the inventive method.

Abstract: A fabrication method of an elastomer breath structure includes the steps of applying a liquid elastomer onto a substrate an initial curing of the liquid elastomer on the substrate partially into a partially cured polymer, condensation of water droplets from the environment onto the partially cured polymer, and finishing curing of the partially cured polymer with parallel removal of the water droplets creating surface dimples on the cured elastomer.

Abstract: A method for generating a shingle roofing coating is described. The method includes mixing 1% by weight to 20% by weight of an elastomeric polymer with an asphalt flux to generate a concentrate. The concentrate is then heated and mixed with an oxidized asphalt feedstock. The mixture of the concentrate and oxidized asphalt is then heated to generate the shingle roofing coating. The shingle roofing coating includes between 10% by weight and 30% by weight of the concentrate and between 0.1% by weight and 6% by weight of the elastomeric polymer.

Abstract: A method comprises obtaining a virgin asphalt and obtaining an asphalt shingle waste. The asphalt shingle waste comprises 5 wt. % to 40 wt. % of asphalt based on the total weight of the asphalt shingle waste. The asphalt shingle waste comprises 60 wt. % to 95 wt. % of limestone, granules, and/or impurities based on the total weight of the asphalt shingle waste. The method comprises obtaining a phase modifier. The method comprises mixing the virgin asphalt, the asphalt shingle waste, and the phase modifier to form an asphalt mixture. The phase modifier is present in an amount of 0.25 wt. % to 25 wt. % based on the total weight of the asphalt mixture. The asphalt mixture is configured to be applied to a roof substrate to obtain a roofing shingle.

Abstract: A chemical mechanical polishing composition for tungsten CMP consists of, consists essentially of, or comprises a liquid carrier, cationic abrasive particles dispersed therein, an iron-containing accelerator, a tungsten etch inhibitor, a sulfur containing anionic surfactant, and has a pH of less than about 5.

Abstract: A polishing composition capable of increasing a polishing selectivity ratio of SiOC to silicon nitride, a production method of the polishing composition, a polishing method, and a manufacturing method of a semiconductor substrate are provided. The polishing composition contains abrasives having a zeta potential of ?5 mV or less, a cationic surfactant, a phosphonic acid-based chelating agent, and a cationic compound having a molecular weight of 300 or less.

Abstract: Provided are a polishing method and a polishing composition that are applied to polishing of silicon carbide and allows reduction of rise in pH of the polishing composition and increase in pad temperature during polishing Provided is a method of polishing an object to be polished having a surface formed of silicon carbide. The method includes steps of preparing a polishing composition, and supplying the polishing composition to the object to be polished and polishing the object to be polished. The polishing composition contains permanganate, a metal salt A, and water. The metal salt A is a salt of a metal cation having a pKa of less than 7.0 in form of a hydrated metal ion, and an anion.

Abstract: A moisture barrier material including a carrier, an adhesive layer formed on at least one surface of the carrier, and a release treated liner, wherein the moisture barrier material has a nonplanar shape, and a method for manufacturing the same.

Abstract: A protective film sequentially includes a release film, a low-viscosity silica gel layer, a high-viscosity silica gel layer and a substrate from top to bottom. A high-viscosity organosilicon adhesive, a hydroxyl-terminated polydimethylsiloxane, a curing agent, an additive and a solvent are coated on a polyester film. A low-viscosity organosilicon adhesive, the hydroxyl-terminated polydimethylsiloxane, the curing agent, the additive and the solvent are mixed and costed on the polyester film complex, which is pressed with the release film to obtain a silica gel protective film for fuel cells. A proton exchange membrane is coated with a catalyst to form a first catalyst layer, the protective film is adhered to the surface of the first catalyst layer, the second side of the proton exchange membrane is coated, and the silica gel protective film is peeled off after the coating is finished to obtain a CCM for a fuel cell.

Abstract: The present invention provides a void-containing layer in which a pressure-sensitive adhesive or an adhesive is less liable to penetrate into voids. A void-containing layer of the present invention, includes: particles chemically bonding to each other, wherein the void-containing layer has a void fraction of 35 vol % or more, the particle is an inorganic-organic composite particle in which an organic group is bonded to an inorganic compound, the organic group includes a R1 group which is a linear or branched alkyl group and a R2 group which is a group containing a carbon-carbon unsaturated bond, and a molar ratio of the R2 group relative to a sum of the R1 group and the R2 group is from 1 to 30 mol %.