Abstract: A laminate including a horizontally oriented liquid crystal cured film that is a cured material of a polymerizable liquid crystal composition containing at least one type of polymerizable liquid crystal compound, and a vertically oriented liquid crystal cured film is provided. The horizontally oriented liquid crystal cured film is the cured material of the polymerizable liquid crystal composition in which the polymerizable liquid crystal compound is cured in a state of being horizontally oriented with respect to a plane of the liquid crystal cured film, and satisfies the following formulae: nxA(450)>nyA(450)>nzA(450) and ReA(450)/ReA(550)<1.00.

Abstract: An object of the present disclosure is to provide a composite molded article which has light weight and a high fire resistance, and further has a high productivity. The composite non-combustible molded article of the present disclosure includes a laminated structure of a metal layer and a foam layer, wherein the foam layer is made of a bead foam, and the thickness Tm (mm) of the metal layer and the density ?e (g/cm3) of the foam layer satisfy Tm×?e>0.02, and the 1% dimensional shrinkage temperature of the foam layer is 100° C. or more.

Abstract: A spacer used in an electrical device that sends and receives radio waves comprises a foam that contains a resin composition containing a thermoplastic or thermosetting resin as a base resin. When the foam is not a bead foam, a ratio (B/A) of an average diameter B of central section cells relative to an average diameter A of surface layer cells is not less than 0.3 and less than 3.0. When the foam is a bead foam, a ratio (B?/A?) of an average diameter B? of center cells relative to an average diameter A? of outermost layer cells is not less than 0.3 and less than 3.0. Water absorption of the resin composition in a high-temperature and high-humidity environment is 2.2 mass % or less, and (?r)1/2×tan ? (?r: relative permittivity, tan ?: a dielectric dissipation factor) is 0.0120 or less at 28 GHz.

Abstract: Provided is a lithium ion battery module that has high safety and that even when runaway occurs, makes it difficult for this runaway to spread to other cells. The lithium ion battery module includes a cell unit including a plurality of cells provided with a rupture valve and a spacer including a recess, wherein the cell unit is covered by the spacer such that the rupture valve and the recess are arranged opposite each other, the recess has a depth of more than 0.5 mm, the spacer contains a resin, and a wall section formed of the spacer is provided between adjacent cells.

Abstract: A polymerizable liquid crystal composition containing two polymerizable liquid crystal compounds (A) and (B) is provided. A polymer of compound (A) exhibits a reverse wavelength dispersion property and the phase difference value [R(A,3000,450)] at a wavelength of 450 nm measured after irradiation in an oriented state with ultraviolet ray at 3000 mJ/cm2 varies in a positive sense relative to the phase difference value [R(A,500,450)] at a wavelength of 450 nm measured after irradiation in an oriented state with ultraviolet ray at 500 mJ/cm2. A polymer of compound (B) exhibits a reverse wavelength dispersion property and the phase difference value [R(B,3000,450)] at a wavelength of 450 nm measured after irradiation in an oriented state with ultraviolet ray at 3000 mJ/cm2 varies in a negative sense relative to the phase difference value [R(B,500,450)] at a wavelength of 450 nm measured after irradiation in an oriented state with ultraviolet ray at 500 mJ/cm2.

Abstract: A laminate including a horizontally oriented liquid crystal cured film that is a cured material of a polymerizable liquid crystal composition containing at least one type of polymerizable liquid crystal compound, and a vertically oriented liquid crystal cured film is provided. The horizontally oriented liquid crystal cured film is the cured material of the polymerizable liquid crystal composition in which the polymerizable liquid crystal compound is cured in a state of being horizontally oriented with respect to a plane of the liquid crystal cured film, and satisfies the following formulae: nxA(450)>nyA(450)>nzA(450) and ReA(450)/ReA(550)<1.00.

Abstract: Provided are a container that comprises a thermoplastic resin or a thermosetting resin as a constituent material and that is used for accommodating an electrical component with an accommodation ratio v of 60% or more as expressed by equation (A), an accommodation device that comprises this container and a cooling device contained in the container and/or a heating device contained in the container, and an electrical component-accommodating body that comprises this container or accommodation device and an electrical component contained in the container.

Abstract: A laminate including a vertically oriented liquid crystal cured film and a horizontally oriented phase difference film is provided. The vertically oriented liquid crystal cured film is a cured product of a polymerizable liquid crystal composition containing a polymerizable liquid crystal compound and a dichroic coloring matter. The composition includes, as the dichroic coloring matter, at least one type of dichroic coloring matter having maximum absorption between a wavelength of 400 nm and a wavelength of 750 nm. The vertically oriented liquid crystal cured film is a cured product of the polymerizable liquid crystal composition that is cured in a state in which the polymerizable liquid crystal compound is oriented in a vertical direction with respect to a flat plane of the liquid crystal cured film, and satisfies the following formula (1) and the following formula (2): 0.001?AxC?0.3 ??(1); AxC(z=60)/AxC>2 ??(2).

Abstract: A liquid crystal composition is provided containing a polymerizable liquid crystal compound, the composition having high preservation stability when dissolved in a solvent and also having the ability to restrain the development of orientation defects of the liquid crystal compound. A method of producing such a liquid crystal composition is also provided with ease. The liquid crystal composition includes a first polymerizable liquid crystal compound having five or more ring structures on its principal chain and represented by the following formula (A) and a second polymerizable liquid crystal compound having five or more ring structures and represented by the following formula (B).

Abstract: Provided is (i) a composition containing at least one kind of polymerizable liquid crystal compound and at least one kind of photopolymerization initiator, the at least one kind of photopolymerization initiator having (i) a maximum absorption at wavelength ?(A) and (ii) a maximum absorption at wavelength ?(B), the at least one kind of polymerizable liquid crystal compound and the at least one kind of photopolymerization initiator satisfying the following: 20 nm<?(B)??max(LC); or 20 nm<?max(LC)??(A), wherein ?max(LC) represents a wavelength at which the at least one kind of polymerizable liquid crystal compound has a maximum absorption, the composition being a composition from which an optically anisotropic layer that hardly has a transfer defect during a transfer is capable of being produced, and (ii) a display device and the like each including the optically anisotropic layer produced from the composition.

Abstract: Disclosed is a retardation film which shows a high light selective absorbency to visible rays having short wavelengths near 400 nm to have a high light resistance, and which can give, when used in a display device, good display properties to the display device. This film is a retardation film, satisfying all of the following formulae (1) to (4): 2?A(380) (1), 0.5?A(400) (2), 0.4?A(420)/A(400) (3), and 100 nm?Re(550)?170 nm (4), in which each A(?) represents the absorbance of the film at a wavelength ? nm, and Re (550) represents the in-plane retardation value of the film to a light ray having a wavelength of 550 nm.

Abstract: As a liquid crystal cured film that is small in amount of decrease in phase difference value which decrease is caused in a case where the liquid crystalline cured film is exposed to a high-temperature environment, provided is a liquid crystal cured film containing a polymerizable liquid crystal compound that is polymerized, the liquid crystal cured film having a maximum absorption at a wavelength in a range of not less than 300 nm and not more than 380 nm, and satisfying the following Formula (Y): (1?P?/P0)×100?73 . . . (Y).

Abstract: A polymerizable liquid crystal composition containing two polymerizable liquid crystal compounds (A) and (B) is provided. A polymer of compound (A) exhibits a reverse wavelength dispersion property and the phase difference value [R(A,3000,450)] at a wavelength of 450 nm measured after irradiation in an oriented state with ultraviolet ray at 3000 mJ/cm2 varies in a positive sense relative to the phase difference value [R(A,500,450)] at a wavelength of 450 nm measured after irradiation in an oriented state with ultraviolet ray at 500 mJ/cm2. A polymer of compound (B) exhibits a reverse wavelength dispersion property and the phase difference value [R(B,3000,450)] at a wavelength of 450 nm measured after irradiation in an oriented state with ultraviolet ray at 3000 mJ/cm2 varies in a negative sense relative to the phase difference value [R(B,500,450)] at a wavelength of 450 nm measured after irradiation in an oriented state with ultraviolet ray at 500 mJ/cm2.

Abstract: As a liquid crystal cured film that is small in amount of decrease in phase difference value which decrease is caused in a case where the liquid crystalline cured film is exposed to a high-temperature environment, provided is a liquid crystal cured film containing a polymerizable liquid crystal compound that is polymerized, the liquid crystal cured film having a maximum absorption at a wavelength in a range of not less than 300 nm and not more than 380 nm, and satisfying the following Formula (Y): (1?P?/P0)×100?73 . . . (Y).

Abstract: The laminated body of the present invention includes an optically anisotropic layer, an alignment film, and an adhesive agent layer which are laminated in this order. The optically anisotropic layer has maximum absorptions at a wavelength in a range of not less than 300 nm and not more than 380 nm and satisfies Formula (Y) below. “50<(1?P?/P0)×100<85 . . . (Y)” wherein: P? represents a P value in a surface of the optically anisotropic layer on which surface the alignment film is laminated and which surface is perpendicular to a thickness direction; and P0 represents the P value of the polymerizable liquid crystal compound.

Abstract: A liquid crystal composition which prevents production of an alignment defect of a liquid crystal compound and also has excellent storage stability during dissolution in a solvent is provided. The liquid crystal composition is suitable for constituting a retardation film capable of favorable circular polarization conversion. The liquid crystal composition includes a polymerizable liquid crystal compound having 3 or more ring structures in the main chain, and aluminum. A content of the aluminum is 1 ppm or more and 170 ppm or less relative to the polymerizable liquid crystal compound.

Abstract: A liquid crystal composition containing a polymerizable liquid crystal compound (A) having 5 or more ring structures in its main chain and a polymer (B) of the polymerizable liquid crystal compound (A) having 5 or more ring structures in its main chain, which inhibits occurrence of an orientation defect of a liquid crystal compound and exhibits excellent storage stability when dissolved in a solvent is provided.

Abstract: A liquid crystal composition which prevents production of an alignment defect of a liquid crystal compound and also has excellent storage stability during dissolution in a solvent is provided. The liquid crystal composition is suitable for constituting a retardation film capable of favorable circular polarization conversion. The liquid crystal composition includes a polymerizable liquid crystal compound having 3 or more ring structures in the main chain, and aluminum. A content of the aluminum is 1 ppm or more and 170 ppm or less relative to the polymerizable liquid crystal compound.

Abstract: A liquid crystal composition is provided containing a polymerizable liquid crystal compound, the composition having high preservation stability when dissolved in a solvent and also having the ability to restrain the development of orientation defects of the liquid crystal compound. A method of producing such a liquid crystal composition is also provided with ease. The liquid crystal composition includes a first polymerizable liquid crystal compound having five or more ring structures on its principal chain and represented by the following formula (A) and a second polymerizable liquid crystal compound having five or more ring structures and represented by the following formula (B).

Abstract: A liquid crystal composition containing a polymerizable liquid crystal compound (A) having 5 or more ring structures in its main chain and a polymer (B) of the polymerizable liquid crystal compound (A) having 5 or more ring structures in its main chain, which inhibits occurrence of an orientation defect of a liquid crystal compound and exhibits excellent storage stability when dissolved in a solvent is provided.