Abstract: A multilayer nonwoven fabric includes an elastic nonwoven fabric comprising an ?-olefin copolymer having a ratio of a storage elastic modulus E40 at 40° C. and a storage elastic modulus E23 at 23° C. (E40/E23) is 37% or more, and an extensible spunbonded nonwoven fabric disposed on at least one side of the elastic nonwoven fabric.
Abstract: A method of manufacturing a substrate layered body includes: a step of applying a bonding material to the surface of at least one of a first substrate or a second substrate; a step of curing the bonding material applied on the surface to form a bonding layer having a reduced modulus at 23° C. of 10 GPa or less; and a step of bonding the first substrate and the second substrate via the bonding layer formed.
October 17, 2019
December 16, 2021
MITSUI CHEMICALS, INC.
Yasuhisa KAYABA, Jun KAMADA, Yuzo NAKAMURA
Abstract: The purpose of the present invention is to provide a medical film having excellent transparency, heat resistance, and solvent resistance. This medical film is a medical film including a heat-resistant resin having a glass transition temperature measured by thermomechanical analysis TMA of 190° C. or higher wherein the medical film has a total light transmittance of 80% or higher at a thickness of 10 ?m and a b* value in the L*a*b* color system of 10 or lower.
Abstract: Provided are monomers useful for dental materials that include a compound in which a core and a specific terminal group are bonded to each other directly or via a linking group, wherein the core is a C1-200 polyvalent organic group having a valence of not less than 3 containing an oxygen atom or a nitrogen atom in which an atom bonded to the terminal group or the linking group is the oxygen atom or the nitrogen atom; the terminal group is a specific (meth)acryloyl group-containing group, a (meth)acryloyl group, a C1-20 hydrocarbon group or a hydrogen atom, and the terminal group needs to meet specific requirements; and the linking group is a specific divalent group, and when the compound contains a plurality of linking groups, the linking groups may be the same as or different from each other. Compositions, dental materials and kits are also provided.
Abstract: A method of producing a semiconductor element intermediate includes: a preparing step of preparing a substrate having a recessed part on a surface thereof; and a filling step of filling tin oxide into the recessed part by an atomic layer deposition method at a substrate temperature of 250° C. or higher, using a tin oxide precursor including a compound represented by the following Formula (1). In Formula (1), each of R1 to R4 independently represents an alkyl group having from 1 to 6 carbon atoms.
Abstract: The method for setting polymerization conditions includes a physical property acquiring step, in which, when a composition which includes a polymerizable reactive compound including an episulfide compound, and a polymerization catalyst is heated and maintained at a predetermined temperature, a physical property value a derived from a functional group of the polymerizable reactive compound before heating and a physical property value b derived from a remaining functional group after maintaining heat for a predetermined time, are acquired; a remaining functional group ratio calculating step of calculating a remaining functional group ratio; a reaction rate coefficient calculating step for calculating a reaction rate coefficient; and a polymerization temperature calculating step of back-calculating each polymerization temperature every predetermined time in a polymerization time.
Abstract: According to the present invention, provided is a polymerizable composition for an optical material including: at least one amine compound (A) selected from a compound (a1) represented by Formula (1) and a compound (a2) represented by Formula (2); an iso(thio)cyanate compound (B) which contains two or more iso(thio)cyanate groups; and a polythiol compound (C) which contains a dithiol compound (c1) containing two mercapto groups and a polythiol compound (c2) containing three or more mercapto groups.
Abstract: A novel vinyl chloride resin composition having exceptional transparency is provided. This resin composition comprises 3-15 parts by mass of a rubbery impact-absorbing material (B) for which the glass transition point in differential scanning calorimetry does not exceed 0° C., and 0.1-10 parts by mass of a lubricant (C) that satisfies (i)-(iv) below, the content amounts above being indicated relative to 100 parts by mass of a vinyl chloride resin (A) having a chlorine content of 55-75 mass %. (i) The melt viscosity at 200° C. is 5-5,000 mPa·s (ii) The softening point is in the range of 60?180° C. (iii) The glass transition point (Tg) as measured in DSC is in the range of 0?100° C.
January 23, 2018
November 11, 2021
MITSUI CHEMICALS, INC.
Hirotaka KANAYA, Kuniaki KAWABE, Yosuke TAKAHASHI, Koji MATSUNAGA
Abstract: A human body detection device including line-shaped piezoelectric substrates respectively provided in each of a plurality of regions in a plate material intersecting a direction of pressure received from a human body, and provided such that an axial direction of each of the piezoelectric substrates runs along the plate material so as to detect pressure applied in a radial direction of the piezoelectric substrate, memory, and a processor coupled to the memory. The processor is configured to be capable of detecting an output signal from each of the piezoelectric substrates.
Abstract: A monomer composition for a dental material including a compound represented by Formula (1). In Formula (1), X represents an n-valent organic group having from 1 to 200 carbon atoms and containing at least one selected from the group consisting of an oxygen atom and a nitrogen atom, in which the at least one selected from the group consisting of an oxygen atom and a nitrogen atom is bound to Y; and each Y represents a (meth)acryloyl group-containing group (Y1) represented by the following Formula (A), a (meth)acryloyl group (Y2), a hydrogen atom, or a hydrocarbon group having from 1 to 20 carbon atoms, with the proviso that at least one or more Y, among all Ys included in the compound represented by Formula (1), is the (meth)acryloyl group-containing group (Y1).
Abstract: An object of the present invention is to provide a lubricating oil composition particularly excellent in viscosity characteristics at a low temperature. The present invention provides: a lubricating oil composition including a polymer (A) and a base oil (B), wherein the polymer (A) satisfies the following requirement (A-1), and the content ratio of the polymer (A) and the base oil (B) is such that the ratio of a resin (A) is within the range of from 0.1 to 50 parts by mass with respect to 100 parts by mass of the total amount of the polymer (A) and the base oil (B). (A-1) The polymer (A) is a polymer containing a structural unit derived from an ?-olefin having 20 or less carbon atoms.
Abstract: A method of producing THB with improved efficiency is provided. Provided is a method of producing trihydroxybenzene (THB), the method comprising a step of heating a bacterial culture liquid comprising deoxy-scyllo-inosose (DOI) at a high temperature of no lower than 80° C. to obtain a product solution comprising trihydroxybenzene (THB).
Abstract: An object of the present invention is to provide a stretchable structure that has stretchability together with high stress relaxation properties, and provides fit feeling with less tightening by recovering slowly after stretching. The object is achieved by a stretchable structure having the following characteristics: a tensile permanent set (PS10M) of 1% or more and 50% or less, wherein the tensile permanent set (PS10M) is a value obtained 10 minutes after 150% elongation at a tension rate of 200 mm/minute in accordance with JIS K7127, and a ratio PS1M/PS10M of 1.10 or more, wherein the PS10M is the tensile permanent set obtained 10 minutes after the elongation and the PS1M is the tensile permanent set obtained 1 minute after the elongation.
Abstract: A lubricant oil composition for automotive gears includes a lubricant base oil including a mineral oil having a kinematic viscosity at 100° C. of 2.0 to 6.5 mm2/s, a viscosity index of not less than 105 and a pour point of not more than ?10° C., and/or a synthetic oil having a kinematic viscosity at 100° C. of 1.0 to 6.5 mm2/s, a viscosity index of not less than 120 and a pour point of not more than ?30° C.; and an ethylene/?-olefin copolymer having an ethylene content of 55 to 85 mol %, a kinematic viscosity at 100° C. of 10 to 200 mm2/s, a molecular weight distribution of not more than 2.2, and a melting point in the range of ?30° C. to ?60° C. The lubricant oil composition for automotive gears has a kinematic viscosity at 100° C. of 4.0 to 9.0 mm2/s.
Abstract: The present invention addresses the problem of providing a flexible electronic element substrate comprising a polyimide layer that has both low ultraviolet transmittance and high visible light transmittance and that is capable of suppressing ultraviolet degradation without any reduction in the performance of an electronic element. In order to solve this problem, the flexible electronic element substrate comprises a polyimide layer that satisfies all of (1) through (3) below: (1) maximum transmittance at a wavelength of 400±5 nm is 70% or higher at a thickness of 5 ?m; (2) the b* value in an L*a*b* color system is 5 or less at a thickness of 5 ?m; and (3) transmittance of light at a wavelength of 350 nm is 10% or less at a thickness of 5 ?m.
Abstract: A culture material including a 4-methyl-1-pentene polymer for cells, tissues, or organs, the culture material having a water contact angle at a culture surface of 50° to 100°, a sagging distance by a test method described below of 0 to 5 mm, and an oxygen permeation rate at a temperature of 23° C. and a humidity of 0% of 4500 to 90000 cm3/(m2×24 h×atm). A test piece having the same material as the culture material and the same thickness as the culture surface of the culture material and having a flat plate shape of 100 mm long and 10 mm wide is made. The test piece is fixed onto a test board in a state where the test piece protrudes lengthwise in a horizontal direction from a top surface of the test board, the top surface being horizontal.
Abstract: A metal-resin composite structure (106) is formed by bonding a metal member (103) and a resin member (105) formed of a resin composition. A surface roughness measured regarding six linear portions in total including three arbitrary linear portions parallel with each other and another three arbitrary linear portions perpendicular to the former three linear portions on a surface (110) of the metal member (103), based on JIS B0601 (corresponding international standard: ISO4287) satisfies both Requirements (1) and (2). (1) An average value of ten point average roughnesses (Rz) at an evaluated length of 4 mm is smaller than 20 ?m. (2) An average value of mean width of the profile elements (RSm) at an evaluated length of 4 mm is equal to or greater than 20 ?m and smaller than 77 ?m.
Abstract: A pellicle for EUV exposure that has a high transmittance to EUV light, causes little outgassing, and is not much contaminated, and a method for manufacturing the same are provided. A pellicle (100) includes a pellicle film (101); a support frame (103); and a first adhesive layer (109) provided at an end of the support frame, the end being opposite to an end on which the pellicle film is extended. The pellicle further includes an inorganic layer (111) on a side surface of the first adhesive layer, the side surface extending in a direction crossing a surface of the pellicle film, and the pellicle film being extended on the side surface. The inorganic layer has a mass absorption coefficient (?m) in the range of 5×103 cm2/g to 2×105 cm2/g.
Abstract: Disclosed is a polyamide resin composition including 50% to 99% by mass of a polyamide (P) and 1% to 50% by mass of an acid-modified polyolefin (Q) satisfying the following requirements (1) to (3). (1) A melt flow rate (MFR) as measured at 230° C. under a load of 2.16 kg is 50 to 200 (g/10 min). (2) An acid modification amount is 0.1% to 2.0% by mass. (3) The acid-modified polyolefin (Q) includes a modified product (q1) of an elastomer including 10% to 95% by mole of an ethylene-derived skeleton unit, 0% to 80% by mole of a propylene-derived skeleton unit, and 3% to 40% by mole of a skeleton unit derived from an ?-olefin having 4 to 8 carbon atoms (with a total amount of the ethylene-derived skeleton unit, the propylene-derived skeleton unit, and the skeleton unit derived from an ?-olefin being 100% by mole), the elastomer being modified by maleic acid or an anhydride thereof.