Abstract: There is provided a resin composition for a lens, which contains a photocationic polymerization initiator (X) including a salt formed from an anion represented by General Formula (1) and a cation and contains an epoxy compound (Y) containing two or more epoxy groups in a molecule. (In General Formula (1), R1 to R4 each independently represent an alkyl group having 1 to 18 carbon atoms or an aryl group having 6 to 14 carbon atoms.

Abstract: Provided are a polyfunctional (meth)acrylate thioester composition containing a polyfunctional (meth)acrylate thioester compound represented by Formula (1), a curable composition containing the polyfunctional (meth)acrylate thioester composition, a cured product obtained by curing the curable composition, a molded body including the cured product, and an optical material including the molded body.

Abstract: The present invention relates to a non-oriented film, a laminated body, and a package, the non-oriented film has a sealant layer composed of a resin composition including a propylene-based polymer (A), a 1-butene/?-olefin copolymer (B), and a propylene/?-olefin copolymer (C) in predetermined fractions and a substrate layer: the propylene-based polymer (A) has a melting point (Tm) measured by differential scanning calorimetry (DSC) of 120° C. or higher and 170° C. or lower; the copolymer (B) has a melting point measured by DSC of lower than 120° C. and contains 51 to 99 mol % of a 1-butene-derived constitutional unit and 1 to 49 mol % of an ?-olefin-derived constitutional unit; the copolymer (C) has a melting point measured by DSC of lower than 120° C. and contains 51 to 95 mol % of a propylene-derived constitutional unit and 5 to 49 mol % of an ?-olefin-derived constitutional unit.

Abstract: A laminated film includes a first polyolefin-based resin layer including a first polyolefin-based resin having a melting point of from 95° C. to 200° C., a second polyolefin-based resin layer including a second polyolefin-based resin having a melting point of less than 95° C., and a third polyolefin-based resin layer including a third polyolefin-based resin having a melting point of from 95° C. to 200° C., which are disposed in this order. The laminated film has an oxygen permeability of from 7,500 mL/m2·day·atm to 85,000 mL/m2·day·atm.

Abstract: The present disclosure provides a lithium borate compound represented by the following Formula (I), an additive for a lithium secondary battery, which contains the lithium borate compound, a non-aqueous electrolyte solution for a lithium secondary battery, a lithium secondary battery precursor, and a lithium secondary battery and method of producing the same. In Formula (I), R represents a single bond or an alkylene group having from 1 to 4 carbon atoms.

Abstract: A polymerizable composition for optical materials of the present invention contains (A) a polyisocyanate compound, (B) a polythiol compound, (C) a photochromic compound, (D) a polyether compound having a number-average molecular weight of 50 to 10,000, and (E) a polyether-modified siloxane compound having a viscosity of 1 mPa·s or more and less than 1,600 mPa·s.

Abstract: A polythiol composition includes a polythiol compound (A) including at least one of 4,8-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 4,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, and a polythiol compound (B) that is 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane.

Abstract: In a polyurethane dispersion obtained by water-dispersing a polyurethane resin, the polyurethane resin is a reaction product obtained by reacting at least a polyisocyanate component with an active hydrogen group-containing component containing an active hydrogen compound having an anionic group, a ratio of the total moles of a urethane group and a urea group is 1.5 mol or more with respect to 1 kg of the polyurethane dispersion, and the carbonate ion concentration is 700 ppm or less with respect to the polyurethane dispersion.

Abstract: The disclosure addresses provision of a pellicle demounting method having excellent property with respect to reduction of contamination of a photomask. A method of demounting a pellicle, the method is provided which includes: providing a stack including a photomask, a pellicle frame, and a pellicle film that are arranged in this order; providing an electrode; and a demounting step including disposing the stack and the electrode such that the pellicle film in the stack and the electrode face each other, and applying a voltage to the electrode to generate an electrostatic attractive force, which attracts the pellicle film in a direction toward the electrode, thereby demounting the pellicle film from the photomask in the stack.

Abstract: A cyclic olefin resin composition of the present invention contains a cyclic olefin copolymer (A) and a boric acid ester compound (B).

Abstract: A polythiol composition, comprising a polythiol compound, wherein: the polythiol composition comprises a compound C2 that has a retention time of from 16.0 minutes to 19.0 minutes in a high-performance liquid chromatography measurement performed under a specific measurement conditions A, and in the high-performance liquid chromatography measurement, the compound C2 has a peak area of 1.000 or more with respect to a total of 100 of a peak area of the compound C2 and a peak area of a main component of the polythiol composition.

Abstract: The present invention relates to a non-oriented film, a laminated body, and a package; the non-oriented film has a sealant layer composed of a resin composition including 30 to 90 mass % of a propylene-based polymer (A) and 10 to 70 mass % of a 1-butene/?-olefin copolymer (B), and a substrate layer; the propylene-based polymer (A) has a melting point (Tm) measured by differential scanning calorimetry (DSC) of 120° C. or higher and 135° C. or lower, and contains 50 to 90 mol % of a propylene-derived constitutional unit; the copolymer (B) has a melting point measured by DSC of lower than 120° C. or has no melting point observed by DSC, and contains 50 to 99 mol % of a 1-butene-derived constitutional unit and 1 to 50 mol % of an ?-olefin-derived constitutional unit (provided that a total of the 1-butene-derived constitutional unit and the ?-olefin-derived constitutional unit is 100 mol %), the sealant layer has a thickness of 3 to 30 ?m, and the substrate layer has a thickness of 10 to 100 ?m.

Abstract: A polythiourethane film comprising polythiourethane, wherein the polythiourethane is a reaction product of a bifunctional thiol compound, a trifunctional or higher thiol compound, and an isocyanate compound.

Abstract: A resin composition containing 40 to 90 mass % of a biomass-derived polyolefin (A) obtained by polymerizing a monomer component mainly containing a biomass-derived ethylene (x), 25 to 50 mass % of a linear low-density polyethylene (B) having a density of 0.90 to 0.93 g/cm3 and 1 to 10 mass % of a modified polyolefin (C) (provided that a sum of the (A), the (B) and the (C) is 100 mass %), in which a biomass content Pbio of the polyolefin (A) is 90% or more, and a biomass content Pbio of the resin composition is 50% or more, a formed body containing the same, a multilayer body, and a multilayer tube including the same. Pbio(%)=pMC/105.5×100 (in the equation, pMC indicates the content of radiocarbon 14C in the polyolefin (A) or the resin composition that is obtained in accordance with ASTM D6866.

Abstract: A 4-methyl-1-pentene copolymer composition (X), including 50 to 90 parts by mass of a 4-methyl-1-pentene-based polymer (A) having a melting point in a range of 200 to 250° C. as measured by DSC, 5 to 30 parts by mass of a 4-methyl-1-pentene-based polymer (B) having a melting point of lower than 200° C. or having no melting point observed as measured by DSC, and 5 to 30 parts by mass of a thermoplastic elastomer (C) other than the (A) and the (B), and satisfying the following requirements (a) and (b), a molded body composed of the composition (X), and a method for producing a rubber hose. Requirement (a): the tan ? peak temperature determined by dynamic viscoelasticity measurement in a temperature range of 0 to 240° C. at a frequency of 10 rad/s is 0 to 60° C.; and requirement (b): the tan ? peak value determined by dynamic viscoelasticity measurement in a temperature range of 0 to 100° C. at a frequency of 10 rad/s is 0.15 to 0.8.

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.

Abstract: Provided is a pellicle, including a frame on which a pellicle film is placed and a mask adhesive layer which is placed on the frame, wherein when an attachment portion S1 of the adhesive layer to a quartz mask is irradiated with xenon (Xe) excimer lamp light from a back surface of the mask for 2 minutes and the pellicle is then peeled off, a residual ratio (residual area of the adhesive layer on a quartz mask/area of the attachment portion S1 of the adhesive layer) of the adhesive layer is 0.001 to 5.0%.

Abstract: This polyamide resin composition includes a polyamide resin and a copper-based heat-resistant stabilizing agent. The copper content in the copper-based stabilizing agent is 0.001-0.050 parts by mass with respect to 100 parts by mass of the polyamide resin. The polyamide resin includes a dicarboxylic acid-derived component unit (a) and a diamine-derived component unit (b). The dicarboxylic acid-derived component unit (a) includes an aromatic dicarboxylic acid-derived component unit or an alicyclic dicarboxylic acid-derived component unit. The diamine-derived component unit (b) includes a diamine-derived component unit (b2) represented by formula (1) in an amount of 10 mol % or more but less than 50 mol % with respect to the total number of moles of the diamine-derived component unit (b).

Abstract: A nonaqueous electrolytic solution for a battery that includes a negative electrode active material containing graphite, the nonaqueous electrolytic solution for a battery containing a compound represented by the following Formula (1): in Formula (1), R represents a fluorine atom or a fluorinated hydrocarbon group having from 1 to 6 carbon atoms.

Abstract: A method for setting conditions for use of a polymerization catalyst includes a step of acquiring a physical property value derived from remaining functional groups after maintaining a temperature of a composition including a polymerization-reactive compound and a predetermined amount of a polymerization catalyst, a step of calculating a remaining functional group ratio from the physical property value, a step of calculating a reaction rate constant based on a reaction rate equation from the remaining functional group ratio, a step of calculating an activation energy and a frequency factor from the reaction rate constant using an Arrhenius plot, a step of determining whether or not the activation energy satisfies a predetermined condition for the polymerization catalyst, an step of setting an approximation equation from the frequency factor, and a step of setting an addition range with respect to the polymerization-reactive compound.