Abstract: Provided are a polymer composite piezoelectric body in which the conversion efficiency between electricity and sound is increased and thus the sound pressure level is improved, an electroacoustic transduction film, and an electroacoustic transducer. The polymer composite piezoelectric body includes a viscoelastic matrix formed of a polymer material having a cyanoethyl group, piezoelectric body particles which are dispersed in the viscoelastic matrix and have an average particle diameter of more than or equal to 2.5 ?m, and dielectric particles dispersed in the viscoelastic matrix, in which the dielectric particles are formed of a material different from that of the piezoelectric body particles and have an average particle diameter of less than or equal to 0.5 ?m and a relative permittivity of more than or equal to 80.

Abstract: Provided are an electroacoustic transduction film and an electroacoustic transducer capable of reproducing a sound with a sufficient sound volume and preventing deterioration of appearance. The electroacoustic transduction film includes: a polymer composite piezoelectric body in which piezoelectric body particles are dispersed in a viscoelastic matrix formed of a polymer material having viscoelasticity at a normal temperature; a lower thin film electrode laminated on one principal surface of the polymer composite piezoelectric body; a lower protective layer laminated on the lower thin film electrode; an upper thin film electrode formed on the other principal surface of the polymer composite piezoelectric body; an upper protective layer laminated on the upper thin film electrode; and a colored layer laminated on at least one of a surface layer side of the upper thin film electrode and a surface layer side of the lower thin film electrode.

Abstract: Provided is a video audio system including electroacoustic conversion units which include an electroacoustic conversion film having a macromolecular composite piezoelectric body formed by dispersing piezoelectric body particles in a viscoelastic matrix formed of a macromolecular material that is viscoelastic at normal temperature and thin film electrodes respectively laminated on both surfaces of the macromolecular composite piezoelectric body, curve and support the electroacoustic conversion film, and use at least a part of the electroacoustic conversion film as vibration regions and a display device which is a screen or a video display device to which videos are projected, in which at least one of the electroacoustic conversion units is disposed on a rear surface opposite to a surface of the display device on which videos are displayed, the plurality of vibration regions is arranged on the entire rear surface of the display device, and location information of the vibration regions is included in sound data

Abstract: Provided are an electroacoustic transduction film and an electroacoustic transducer capable of reproducing a sound with a sufficient sound volume and preventing deterioration of appearance. The electroacoustic transduction film includes: a polymer composite piezoelectric body in which piezoelectric body particles are dispersed in a viscoelastic matrix formed of a polymer material having viscoelasticity at a normal temperature; a lower thin film electrode laminated on one principal surface of the polymer composite piezoelectric body; a lower protective layer laminated on the lower thin film electrode; an upper thin film electrode formed on the other principal surface of the polymer composite piezoelectric body; an upper protective layer laminated on the upper thin film electrode; and a colored layer laminated on at least one of a surface layer side of the upper thin film electrode and a surface layer side of the lower thin film electrode.

Abstract: A readily adhesive sheet including a base material film and an olefin-based polymer layer which is disposed on at least one surface of the base material film and contains at least one binder, which is an olefin-based binder having an elastic modulus of 320 MPa or less, at least one coloring pigment selected from titanium oxide, carbon black, titanium black, black combined metal oxides, cyanine-based colors and quinacridone-based colors, and a crosslinking agent has a favorable adhesion to the sealing material even after aged in a hot and humid environment.

Abstract: Provided are a hygroscopic material having a transparent base material, a upper layer including a vinyl acetate resin, and a hygroscopic layer which is arranged between the base material and the upper layer to be adjacent to the upper layer and includes a moisture-absorbing agent which is an inorganic salt, and a resin, a method for producing the same, and a packaging material.

Abstract: Provided are a polymer composite piezoelectric body in which the conversion efficiency between electricity and sound is increased and thus the sound pressure level is improved, an electroacoustic transduction film, and an electroacoustic transducer. The polymer composite piezoelectric body includes a viscoelastic matrix formed of a polymer material having a cyanoethyl group, piezoelectric body particles which are dispersed in the viscoelastic matrix and have an average particle diameter of more than or equal to 2.5 ?m, and dielectric particles dispersed in the viscoelastic matrix, in which the dielectric particles are formed of a material different from that of the piezoelectric body particles and have an average particle diameter of less than or equal to 0.5 ?m and a relative permittivity of more than or equal to 80.

Abstract: An object of the present invention is to provide an antibacterial sheet which is particularly extremely effective for preventing cloudiness or dew condensation and can prevent or inhibit the bacterial multiplication, an antibacterial coat, a laminate, and an antibacterial solution. The antibacterial sheet of the present invention has a support and at least one antibacterial layer disposed on the support, in which the antibacterial layer contains a binder and at least one kind of an antibacterial agent, and a water contact angle of only the binder is equal to or less than 20°.

Abstract: The invention provides a polyester film including: a polyester substrate; and a layered portion that is disposed on at least one surface of the polyester substrate and has an elastic modulus of from 5 MPa to 800 MPa, a ratio of a peak intensity at 988 cm?1 that is observed by subjecting a surface of the polyester substrate to infrared spectroscopy to a peak intensity at 1410 cm?1 that is observed by subjecting a surface of the polyester substrate to infrared spectroscopy satisfying the following Inequality (I): 0.010?(peak intensity at 988 cm?1)/(peak intensity at 1410 cm?1)?0.040??(I).

Abstract: Disclosed is a multilayer film including a polyester support body; a first adhesive layer laminated on at least one surface of the polyester support body; and a second adhesive layer laminated on a side opposite to the polyester support body through the first adhesive layer, in which an average film thickness of the polyester support body is in a range of 50 ?m to 300 ?m, the first adhesive layer includes a modified polyolefin resin which is a copolymer of ethylene, (meth)acrylic acid ester, and acid anhydride, the second adhesive layer includes an olefin resin, and a sum of average film thicknesses of the first adhesive layer and the second adhesive layer is in a range of 0.001 times to 0.3 times the average film thickness of the polyester support body. The multilayer film is a multilayer film in which an adhesive layer having both adhesiveness to EVA and adhesiveness to a polyester support body is included, curling of the multilayer film is suppressed, and blocking is suppressed.

Abstract: The invention provides a polyester film including: a polyester substrate; and a layered portion that is disposed on at least one surface of the polyester substrate and has an elastic modulus of from 5 MPa to 800 MPa, a ratio of a peak intensity at 988 cm?1 that is observed by subjecting a surface of the polyester substrate to infrared spectroscopy to a peak intensity at 1410 cm?1 that is observed by subjecting a surface of the polyester substrate to infrared spectroscopy satisfying the following Inequality (I): 0.010?(peak intensity at 988 cm?1)/(peak intensity at 1410 cm?1)?0.040??(I).

Abstract: Provided is a solar cell backsheet including a polymer base material, and a colored layer that is disposed directly on the polymer base material, and that contains a binder having an acid value of 2 mg KOH/g to 10 mg KOH/g and a pigment at a content of 2.5 g/m2 to 8.5 g/m2, and that has an adhesive force of 50 N/cm or more to an ethylene-vinyl acetate encapsulating material.

Abstract: A protective sheet for a solar cell including a base material film, and an olefin-based polymer layer which is disposed on at least one surface of the base material film and has at least one olefin-based binder, in which the olefin-based polymer layer contains 8 mass % or less of an ether-based polyurethane resin with respect to the olefin-based binder, has a favorable adhesive force to a sealing material and a favorable adhesive force to a sealing material even after aged in a hot and humid environment.

Abstract: A readily adhesive sheet including a base material film and an olefin-based polymer layer which is disposed on at least one surface of the base material film and contains at least one binder, which is an olefin-based binder having an elastic modulus of 320 MPa or less, at least one coloring pigment selected from titanium oxide, carbon black, titanium black, black combined metal oxides, cyanine-based colors and quinacridone-based colors, and a crosslinking agent has a favorable adhesion to the sealing material even after aged in a hot and humid environment.

Abstract: Provided is a thermal distribution display including, on a support, a thermal distribution display layer which includes an organic polymer composite containing an electron-donating dye precursor and a polymer; at least an electron-accepting compound A represented by the following formula (1) and an electron-accepting compound B represented by the following formula (2); and a binder, wherein the content ratio (A:B) is from 95:5 to 50:50 on a mass basis, and the content of the electron-accepting compound A in the total amount of electron-accepting compounds is 40% by mass or greater: wherein, in the formula (1), each of R1 to R4 independently represents a hydrogen atom, a halogen atom, an amino group, or the like; M represents a metal atom having a valency of n; and n represents an integer from 1 to 3; and wherein, in the formula (2), each of R1 to R10 independently represents a hydrogen atom, a halogen atom, a hydroxy group, or the like, at least one of them being a hydroxy group; and X represents —S—,