Abstract: A photocurable composition includes a (meth)acrylic monomer component and a photopolymerization initiator, wherein an adhesive force of a cured product is less than or equal to 1.5 N, and a rupture elongation of the cured product is greater than or equal to 20%.

Abstract: A photo-curable composition including a di-(meth)acrylic monomer (A) having two (meth)acryloyloxy groups and two urethane bonds, an acrylic monomer (B) having one acryloyl group, and a photopolymerization initiator, as well as a cured product of the photo-curable composition, and a dental product including the cured product.

Abstract: A photocurable composition, wherein: in a case in which a rectangular sheet-like test piece P1 with a length of 40 mm, a width of 10 mm, and a thickness of 0.5 mm is produced by photomodeling under specific conditions, and a storage modulus is measured for the thus produced test piece P1 by dynamic viscoelastic measurement with a measurement frequency of 1 Hz while increasing a temperature in a range of from 25° C. to 300° C. at a rate of 3° C./min, the storage modulus at 135° C. is 3.0×108 Pa or more.

Abstract: A photocurable composition, comprising a photopolymerizable component and a photopolymerization initiator, further comprising a filler wherein: in a case in which a square plate shaped test piece A1 with a length of 10 mm, a width of 10 mm, and a thickness of 2 mm is produced, at least one square surface B1 having an area of 3 ?m on a side in at least one cross section of the test piece A1 has a sea-island structure composed of island portions comprising the filler and having a length of 0.1 ?m or more, and a sea portion, an average surface elastic modulus of the island portions is 9.0 GPa or more, an average surface elastic modulus of the sea portion is 4.5 GPa or more, an area of the island portions is from 1.0% to 15.0% with respect to an entire area of the surface B1.

Abstract: A photocurable composition, contains a (meth)acrylic monomer component, and photopolymerization initiator, in a case in which a rectangular sheet-like test piece A1 with a length of 40 mm, a width of 10 mm, and a thickness of 1.0 mm is produced by photomodeling under conditions in which the photocurable composition is irradiated with visible light having a wavelength of 405 nm at an irradiation dose of 11 mJ/cm2 to form a cured layer A1 with a thickness of 50 ?m, the cured layer A1 is stacked in a thickness direction thereof to form a rectangular sheet-like modeling product A1 with a length of 40 mm, a width of 10 mm, and a thickness of 1.0 mm, and the modeling product A1 is irradiated with ultraviolet rays having a wavelength of 365 nm at an irradiation dose of 3 J/cm2 to produce the test piece A1.

Abstract: Provided is a composition which contains a urethane (meth)acrylate, and at least one selected from the group consisting of 2-hydroxyethyl acrylate and hydroxypropyl acrylate, in which at least one of the following (1) or (2) is satisfied: (1) a content of 2-hydroxyethyl acrylate is 10,000 ppm by mass or less with respect to a total mass of the composition; (2) a content of hydroxypropyl acrylate is 25,000 ppm by mass or less with respect to the total mass of the composition.

Abstract: A photocurable composition includes a photopolymerizable component and a photopolymerization initiator. When a test piece with 39 mm length, 8 mm width, and 4 mm thickness, is produced by photofabrication under conditions in which the photocurable composition is irradiated with visible light having 405 nm wavelength at 12 mJ/cm2 irradiation dose to form a cured layer with 100 m thickness, the cured layer is stacked in a thickness direction thereof to form a rectangular fabrication product with 39 mm length, 8 mm width, and 4 mm thickness, and the fabrication product is irradiated with ultraviolet rays having 365 nm wavelength at 10 J/cm2 irradiation dose to produce the test piece, a total fracture work of the test piece measured in compliance with ISO20795-1:2008 is 1100 J/m2 or more.

Abstract: A photocurable composition, wherein: in a case in which a rectangular sheet-like test piece P1 is produced by photomodeling under conditions in which the photocurable composition is irradiated with visible light having a wavelength of 405 nm at an irradiation dose of 11 mJ/cm2 to form a cured layer P1 with a thickness of 50 ?m, the cured layer P1 is stacked in a thickness direction thereof to form the rectangular sheet-like modeling product P1 with a length of 40 mm, a width of 10 mm, and a thickness of 0.5 mm, and the modeling product P1 is irradiated with ultraviolet rays having a wavelength of 365 nm at an irradiation dose of 3 J/cm2 to produce the test piece P1, the storage modulus at 135° C. of the test piece P1 is 3.0×108 Pa or more.

Abstract: A photocurable composition includes a photopolymerizable component and a photopolymerization initiator. When a test piece with a length of 39 mm, a width of 8 mm, and a thickness of 4 mm, is produced by photofabrication under conditions in which the photocurable composition is irradiated with visible light having a wavelength of 405 nm at an irradiation dose of 12 mJ/cm2 to form a cured layer with a thickness of 100 µm, the cured layer is stacked in a thickness direction thereof to form a rectangular fabrication product with a length of 39 mm, a width of 8 mm, and a thickness of 4 mm, and the fabrication product is irradiated with ultraviolet rays having a wavelength of 365 nm at an irradiation dose of 10 J/cm2 to produce the test piece, a total fracture work of the test piece measured in compliance with ISO20795-1:2008 is 1100 J/m2 or more.

Abstract: A photocurable composition includes a photopolymerizable component and a photopolymerization initiator. In a case in which a rectangular sheet-like test piece is produced by photomodeling under conditions in which the photocurable composition is irradiated with visible light having a wavelength of 405 nm at an irradiation dose of 12 mJ/cm2 to form a cured layer with a thickness of 50 µm, the cured layer is stacked in a thickness direction thereof to form a rectangular sheet-like modeling product with a length of 40 mm, a width of 10 mm, and a thickness of 1 mm, and the modeling product is irradiated with ultraviolet rays having a wavelength of 365 nm at an irradiation dose of 10 J/cm2 to produce the test piece, the test piece has an X-ray absorption coefficient of from 9.0 cm-1 to 34.0 cm-1.

Abstract: A photocurable composition includes a (meth)acrylic monomer component and a photopolymerization initiator, wherein an adhesive force of a cured product is less than or equal to 1.5 N, and a rupture elongation of the cured product is greater than or equal to 20%.

Abstract: A photo-curable composition including a di-(meth)acrylic monomer (A) having two (meth)acryloyloxy groups and two urethane bonds, an acrylic monomer (B) having one acryloyl group, and a photopolymerization initiator, as well as a cured product of the photo-curable composition, and a dental product including the cured product.

Abstract: A photocurable composition for manufacturing a dental prosthesis by stereolithography, including: a photopolymerization initiator; and a (meth)acrylic monomer component including an acrylic monomer (X) having no aromatic rings and having a ring structure other than an aromatic ring and two or more acryloyloxy groups in one molecule and having an Mw of from 200 to 800, and at least one of a (meth)acrylic monomer (A) having one or more ether bonds and two (meth)acryloyloxy groups in one molecule and having a defined Mw, a (meth)acrylic monomer (B) having a ring structure other than an aromatic ring and one (meth)acryloyloxy group in one molecule and having a defined Mw, a (meth)acrylic monomer (C) having a hydrocarbon skeleton and two (meth)acryloyloxy groups in one molecule and having a defined Mw, and a (meth)acrylic monomer (D) having one or more aromatic rings and one (meth)acryloyloxy group in one molecule and having a Mw.

Abstract: The present invention provides a method for evaluating the pharmacological action of HGF that utilizes a PD marker in which fluctuation is recognized by administration of hepatocyte growth factor (HGF) in a broader range of subjects. A method for evaluating the pharmacodynamic action of HGF is provided. The aforementioned evaluation method is characterized in that it comprises a step of measuring the ApoA4 level in a biological sample collected from a test subject who was administered HGF. According to the present invention, a kit for evaluating the pharmacodynamic action of HGF comprising an anti-ApoA4 antibody is further provided.

Abstract: The present invention provides a photocurable composition which is used for the production by stereolithography of a dental prosthesis or the like. This photocurable composition contains a (meth)acrylic monomer component and a photopolymerization initiator; and the (meth)acrylic monomer component contains: an acrylic monomer (X) containing, within one molecule, two aromatic rings and two acryloyloxy groups, and having a Mw of from 400 to 580; and at least one of: a (meth)acrylic monomer (A) containing, within one molecule, one or more ether bonds and two (meth)acryloyloxy groups, and having a Mw of from 200 to 400; a (meth)acrylic monomer (B) not containing, within one molecule, a ring structure other than an aromatic ring and one (meth)acryloyloxy group, and having a Mw of from 130 to 240; or a (meth)acrylic monomer (C) containing, within one molecule, a hydrocarbon skeleton and two (meth)acryloyloxy groups, and having a Mw of from 190 to 280.

Abstract: Provided is a photocurable composition including a monomer component including: a monomer (X) containing, within one molecule, two aromatic rings and two (meth)acryloyloxy groups, and having an Mw of from 400 to 580, and a monomer (H) containing, within one molecule, at least one of a hydroxyl group or a carboxy group, and a (meth)acryloyloxy group, and having an Mw of from 100 to 700; and a photopolymerization initiator. The composition has a functional group value (a) of from 0.5×10?3 to 2.0×10?3 mol/g. Functional group value (a)=(nH/MH)×PH??Formula (a) wherein nH represents the total number of hydroxyl groups and carboxy groups contained in one molecule of the (meth)acrylic monomer (H); MH represents the Mw of the (meth)acrylic monomer (H); and PH represents the mass ratio of the (meth)acrylic monomer (H) with respect to the total amount of the (meth)acrylic monomer component.

Abstract: A photocurable composition for manufacturing a dental prosthesis by stereolithography, including: a photopolymerization initiator; and a (meth)acrylic monomer component including an acrylic monomer (X) having no aromatic rings and having a ring structure other than an aromatic ring and two or more acryloyloxy groups in one molecule and having an Mw of from 200 to 800, and at least one of a (meth)acrylic monomer (A) having one or more ether bonds and two (meth)acryloyloxy groups in one molecule and having a defined Mw, a (meth)acrylic monomer (B) having a ring structure other than an aromatic ring and one (meth)acryloyloxy group in one molecule and having a defined Mw, a (meth)acrylic monomer (C) having a hydrocarbon skeleton and two (meth)acryloyloxy groups in one molecule and having a defined Mw, and a (meth)acrylic monomer (D) having one or more aromatic rings and one (meth)acryloyloxy group in one molecule and having a Mw.

Abstract: Provided is a photocurable composition including a monomer component including: a monomer (X) containing, within one molecule, two aromatic rings and two (meth)acryloyloxy groups, and having an Mw of from 400 to 580, and a monomer (H) containing, within one molecule, at least one of a hydroxyl group or a carboxy group, and a (meth)acryloyloxy group, and having an Mw of from 100 to 700; and a photopolymerization initiator. The composition has a functional group value (a) of from 0.5×10?3 to 2.0×10?3 mol/g. Functional group value (a)=(nH/MH)×PH??Formula (a) wherein nH represents the total number of hydroxyl groups and carboxy groups contained in one molecule of the (meth)acrylic monomer (H); MH represents the Mw of the (meth)acrylic monomer (H); and PH represents the mass ratio of the (meth)acrylic monomer (H) with respect to the total amount of the (meth)acrylic monomer component.

Abstract: The present invention provides a photocurable composition which is used for the production by stereolithography of a dental prosthesis or the like. This photocurable composition contains a (meth)acrylic monomer component and a photopolymerization initiator; and the (meth)acrylic monomer component contains: an acrylic monomer (X) containing, within one molecule, two aromatic rings and two acryloyloxy groups, and having a Mw of from 400 to 580; and at least one of: a (meth)acrylic monomer (A) containing, within one molecule, one or more ether bonds and two (meth)acryloyloxy groups, and having a Mw of from 200 to 400; a (meth)acrylic monomer (B) not containing, within one molecule, a ring structure other than an aromatic ring and one (meth)acryloyloxy group, and having a Mw of from 130 to 240; or a (meth)acrylic monomer (C) containing, within one molecule, a hydrocarbon skeleton and two (meth)acryloyloxy groups, and having a Mw of from 190 to 280.

Abstract: A dynamic system estimation device and method, whereby estimation for more performance parameters than there are sensors can be performed, the estimation taking temporal changes into account. The dynamic system estimation device includes: a prescribed number of sensors that detect prescribed observation values from a gas turbine engine; and a Kalman filter that uses a dynamic model of the gas turbine engine and estimates the state of the gas turbine engine, on the basis of the observation values detected by the sensors. The gas turbine engine includes an element having changes in temporal performance recorded by performance parameters. The Kalman filter enables more than the prescribed number of performance parameters to be estimated, as a result of introducing a first-order lag element in place of the element.