Abstract: A hard coat film excellent in initial adhesion and light-resistance adhesion between an easy-bonding layer and a hard coat layer on a cycloolefin polymer-based film. The hard coat film includes a hard coat layer containing an ultraviolet curable resin, an ultraviolet absorbing agent, and dye being stacked on at least one surface of a cycloolefin polymer-based film via an easy-bonding layer including ultraviolet curable resin containing inorganic fine particles, and has: a thickness of the easy-bonding layer is 0.1 to 2.0 ?m; a thickness of the hard coat layer 1.0 to 10 ?m; residual rates of the hard coat layer and the easy-bonding layer, measured by a crosscut method of JIS-K5600-5-6, are 100%, and residual rates of the hard coat layer and the easy-bonding layer, after ultraviolet radiation (a light resistance test) for 100 hours in an environment at a temperature of 63° C., at a relative humidity of 50%, and with irradiance of 500 W/m2, are 100%.

Abstract: Particles may include graphite (A) and a particle (B) containing at least one selected from the group consisting of a tantalum compound and a cerium compound. The particle (B) may be encapsulated in the graphite (A). Particles including a particle (B) may contain a cerium compound. The particle (B) may be a particle (B1) containing a silicon element, and the particle (B1) may have a surface coated with a cerium compound.

Abstract: The present invention provides a hard coat film having excellent adhesion to a hard coat layer when a cycloolefin polymer film is used as a base material. The hard coat film of the present invention comprises a hard coat layer containing an ionizing radiation curable resin laminated on at least one surface of a cycloolefin polymer base film through a primer layer. This primer layer contains a modified polyolefin resin in which a polyolefin resin is graft-modified with an ?,?-unsaturated carboxylic acid or a derivative thereof, and a (meth)acrylic acid ester. In this modified polyolefin resin, the graft weight of the ?,?-unsaturated carboxylic acid or derivative thereof is 0.4 to 7 wt. % when the amount of the modified polyolefin resin is taken as 100 wt. %.

Abstract: A power storage device includes a positive electrode including a positive electrode active material layer formed on a first surface of a positive current collector, a negative electrode including a negative electrode active material layer formed on a first surface of a negative current collector, a separator interposed between the positive electrode active material layer and the negative electrode active material layer, and a sealing portion. One of the positive current collector and the negative current collector is made of aluminum foil having a thickness of 1 to 50 ?m. The other is made of aluminum foil having a thickness of 1 to 50 ?m, or copper foil having a thickness of 1 to 25 ?m. The sealing portion is made of thermoplastic polyolefin-based resin having a peak top temperature of 135° C. or less.

Abstract: A hard coat film having excellent adhesion (particularly adhesion over time) to a hard coat layer when a cycloolefin polymer film is used as a base material. The hard coat film comprises a hard coat layer containing an ionizing radiation curable resin laminated on at least one surface of a cycloolefin polymer base film via a primer layer. The primer layer has an arithmetic average surface roughness (Ra) in the range of 0.5 nm to 15.0 nm, and a surface of the primer layer has a static friction coefficient in the range of 0.6 to 2.0.

Abstract: The present invention provides a hard coat film having excellent adhesion to a hard coat layer when a cycloolefin polymer film is used as a base material. The hard coat film of the present invention comprises a hard coat layer containing an ionizing radiation curable resin laminated on at least one surface of a cycloolefin polymer base film through a primer layer. This primer layer contains a modified polyolefin resin in which a polyolefin resin is graft-modified with an ?,?-unsaturated carboxylic acid or a derivative thereof, and a (meth)acrylic acid ester. In this modified polyolefin resin, the graft weight of the ?,?-unsaturated carboxylic acid or derivative thereof is 0.4 to 7 wt. % when the amount of the modified polyolefin resin is taken as 100 wt. %.

Abstract: Provided is an adhesive tape that has higher self-adhesion force and higher self-adhesive creep resistance and does not have an odor problem of the adhesive face while maintaining HM workability. A hot-melt adhesive composition of the present invention contains at least an elastomer, a tackifier resin, a filler, and a petroleum-based plasticizer, in which the elastomer is a specific styrene-isoprene-styrene block copolymer and a terpene resin, a C5/C9 petroleum resin, and a homopolymer of a styrene-based monomer and/or a copolymer of a styrene-based monomer/an aliphatic monomer are contained as the tackifier resin.

Abstract: A polymer compound includes a first chain structure constituted by a polyamideimide and a second chain structure constituted by a vinyl polymer and bonded to terminals of the first chain structures and connecting the first chain structures together. The vinyl polymer constituting the second chain structure is a random copolymer including a bond-constituting unit having a side chain to be bonded to the first chain structure, and a non-bond-constituting unit having no side chain to be bonded to the first chain structure.

Abstract: A hard coat film having excellent adhesion (particularly adhesion over time) to a hard coat layer when a cycloolefin polymer film is used as a base material. The hard coat film comprises a hard coat layer containing an ionizing radiation curable resin laminated on at least one surface of a cycloolefin polymer base film via a primer layer. The primer layer has an arithmetic average surface roughness (Ra) in the range of 0.5 nm to 15.0 nm, and a surface of the primer layer has a static friction coefficient in the range of 0.6 to 2.0.

Abstract: A polymer compound to be used as a binder for a negative electrode of a power storage device is provided. The polymer compound is formed by condensation of a polyacrylic acid and a polyfunctional amine represented by the following general formula (1), where X is a ring structure having 1 to 3 benzene rings; and C1 to C4 are each a carbon atom constituting a benzene ring in the ring structure.

Abstract: A negative electrode active material is composed of a silicon material coated with a carbon layer containing a Group 4 to 6 metal. A method for producing a negative electrode active material includes a step of decomposing a compound containing the Group 4 to 6 metal and a carbon source by heating in the presence of a silicon material, the compound, and the carbon source.

Abstract: A method for manufacturing adhesive resin pellets includes adding an antiblocking agent to water, melting an adhesive resin and extruding the adhesive resin into the water, and cutting the adhesive resin extruded into the water to form adhesive resin pellets. Polyolefin fine particles used for the antiblocking agent have an average particle diameter of 1 ?m or more and less than 18 ?m, and the adhesive resin has an adhesive force of less than 15.00 N/25 mm.

Abstract: A polymer compound, which is used as a binder for a negative electrode of an electricity storage device, is obtained by condensation of a vinyl polymer that contains a carboxyl group and a third compound that is selected from among an aromatic multifunctional amine, phosphorous acid, phosphorous acid ester, trialkoxysilane, and phosphoric acid.

Abstract: A polymer compound is formed by condensing a polyacrylic acid having some of carboxyl groups converted into a lithium salt with a polyfunctional amine represented by the following general formula (1). A chain structure constituted by the polyacrylic acid has free carboxyl groups and carboxyl groups converted into a lithium salt. Y is a straight-chain alkyl group having 1 to 4 carbon atoms, a phenylene group, or an oxygen atom. R1 and R2 are each independently one or more hydrogen atoms, a methyl group, an ethyl group, a trifluoromethyl group, or a methoxy group.

Abstract: A polymer compound is formed by condensing a polyacrylic acid having some of carboxyl groups converted into a lithium salt with a polyfunctional amine represented by the following general formula (1). A chain structure constituted by the polyacrylic acid has free carboxyl groups and carboxyl groups converted into a lithium salt. Y is a straight-chain alkyl group having 1 to 4 carbon atoms, a phenylene group, or an oxygen atom. R1 and R2 are each independently one or more hydrogen atoms, a methyl group, an ethyl group, a trifluoromethyl group, or a methoxy group.

Abstract: A hard coat film that, while maintaining excellent antiglare properties, can suppress the brightness irregularity, and has excellent visibility of a display. The hard coat film includes a hard coat layer containing organic fine particles and an ionizing radiation-curable resin on a transparent film. Moreover, a difference (|nx?ny|) of the refractive index (nx) of the ionizing radiation-curable resin and the refractive index (ny) of the organic fine particles contained in the hard coat layer is 0.03 or larger.

Abstract: A polymer compound includes a first chain structure constituted by a polyamideimide and a second chain structure constituted by a vinyl polymer and bonded to terminals of the first chain structures and connecting the first chain structures together. The vinyl polymer constituting the second chain structure is a random copolymer including a bond-constituting unit having a side chain to be bonded to the first chain structure, and a non-bond-constituting unit having no side chain to be bonded to the first chain structure.

Abstract: Cycle characteristics of a nonaqueous secondary battery are to be improved. An active material including: a first active material that contains a nano silicon produced by heating a layered polysilane represented by a composition formula (SiH)n and having a structure in which multiple six-membered rings formed from silicon atoms are connected; and a second active material that contains a graphite, is used in a negative electrode. With this, expansion and contraction due to stress during charging and discharging can be mitigated, and thereby cycle characteristics improve.

Abstract: A polymer compound is formed by condensing a polyacrylic acid, a polyfunctional amine represented by the following general formula (1), and an aromatic monoamine. A chain structure constituted by the polyacrylic acid has free carboxyl groups and carboxyl groups to which the aromatic monoamines are bonded. Y is a straight-chain alkyl group having 1 to 4 carbon atoms, a phenylene group, or an oxygen atom. R1 and R2 are each independently one or more hydrogen atoms, a methyl group, an ethyl group, a trifluoromethyl group, or a methoxy group.

Abstract: A nano silicon material having reduced amounts of oxygen (O) and chlorine (Cl) contained therein is provided. The nano silicon material contains fluorine (F) and nano-sized silicon crystallites. Generation of a layer in which oxygen (O) and chlorine (Cl) are present is suppressed due to the presence of fluorine (F), so that a decrease in the moving speed of lithium ions is suppressed. In addition, due to the presence of fluorine (F), the concentrations of oxygen (O) and chlorine (Cl) are reduced, so that reaction thereof with lithium ions is suppressed.