Abstract: A mold die includes: a mold die body that is configured to hold an object to be molded, the object including a substrate and a chip mounted in a central area of the substrate, and that has a cavity which is rectangular in a plan view and which is configured to receive a resin material, the mold die body including: a pot for containing the resin material; a gate disposed at one side of the cavity and configured to allow the resin material to flow into the cavity; and a flow-path restricting mechanism that is disposed on both lateral sides of the cavity that are perpendicular to the one side and that is configured to narrow lateral flow paths, the lateral flow paths being flow paths for the resin material flowing through the cavity in which the chip is not disposed.

Abstract: A resin molding apparatus includes: a mold die that is configured to hold an object to be molded, the object including a substrate and a chip on the substrate, and that has a cavity configured to receive a resin material through a gate; a mold clamp mechanism configured to clamp the mold die; and a control section configured to control how the mold die and the mold clamp mechanism are operated, the mold die including: a movable block configured to narrow at least a portion of an internal flow path of the cavity in which internal flow path the chip is not disposed; and a driving mechanism configured to drive the movable block with use of a fluid, the control section being configured to change a driving force of the driving mechanism during resin-molding of the object.

Abstract: A mold die includes: a mold die body that is configured to hold an object to be molded, the object including a substrate and a chip mounted in a central area of the substrate, and that has a cavity which is rectangular in a plan view and which is configured to receive a resin material, the mold die body including: a pot for containing the resin material; a gate disposed at one side of the cavity and configured to allow the resin material to flow into the cavity; and a flow-path restricting mechanism that is disposed on both lateral sides of the cavity that are perpendicular to the one side and that is configured to narrow lateral flow paths, the lateral flow paths being flow paths for the resin material flowing through the cavity in which the chip is not disposed.

Abstract: A coating agent for a wiper blade rubber having superior friction performance and wiping performance, both initially and during use for an extended period, and having superior durability by inhibiting wear and the like, and a wiper blade rubber using the same. The coating agent for the wiper blade rubber includes a solid lubricant and a binder containing a polycarbonate-based polyurethane resin. The wiper blade rubber has the coating agent on both lateral surfaces of a lip portion of the wiper blade rubber.

Abstract: A coating agent for a wiper blade rubber having superior friction performance and wiping performance, both initially and during use for an extended period, and having superior durability by inhibiting wear and the like, and a wiper blade rubber using the same. The coating agent for the wiper blade rubber includes a solid lubricant and a binder containing a polycarbonate-based polyurethane resin. The wiper blade rubber has the coating agent on both lateral surfaces of a lip portion of the wiper blade rubber.

Abstract: The present invention is to provide an aqueous polyurethane resin dispersion in which a polyurethane resin s dispersed in an aqueous medium, wherein the polyurethane resin is obtained by reacting (A) a polyurethane prepolymer which is obtained by reacting (a) a polyisocyanate compound, (b) a polyol compound containing a polycarbonate polyol having a number average molecular weight of 800 to 3500, and (c) an acidic group-containing polyol compound, and (B) a chain extender, being dispersed in an aqueous medium, (B) the chain extender contains a polyamine compound having three or more in total of an amino group(s) and/or an imino group(s) per molecule, and the polyurethane resin has, each based on a solid content, a content of urethane bonds of 5 to 10% by weight, a content of urea bonds of 2 to 7% by weight, a content of carbonate bonds of 15 to 40% by weight, has neither ether bond nor ester bond, has a density of cross-linking points of 1.0×10?4 to 1.

Abstract: An aqueous polyurethane resin dispersion containing a polyurethane resin obtained by reacting (A) a polyurethane prepolymer obtained by reacting (a) a polyisocyanate compound, (b) at least one polyol compound containing a polycarbonate polyol having a number average molecular weight of 400 to 3000, (c) an acidic group-containing polyol compound, (d) a blocking agent for an isocyanate group, which dissociates at 80 to 180° C., and (B) a chain elongating agent having reactivity with the isocyanate group, being dispersed in an aqueous medium, a sum of a content of urethane and urea bondings is 15 to 30% by weight in terms of solid components, a content of carbonate bondings is 8% to <15% by weight in terms of solid components, and a content of isocyanate group to which the above-mentioned blocking agent has bound is 0.2 to 3% by weight in terms of solid components as calculated on isocyanate group.

Abstract: An aqueous polyurethane resin dispersion containing a polyurethane resin obtained by reacting (A) a polyurethane prepolymer obtained by reacting (a) a polyisocyanate compound, (b) at least one polyol compound containing a polycarbonate polyol having a number average molecular weight of 400 to 3000, (c) an acidic group-containing polyol compound, and (d) a blocking agent for an isocyanate group, which dissociates at 80 to 180° C., and (B) a chain elongating agent having reactivity with the isocyanate group, being dispersed in an aqueous medium, a sum of a content of urethane bondings and a content of urea bondings is 7 to 18% by weight of solid components, a content of carbonate bondings is 15 to 40% by weight of solid components, and a content of an isocyanate group to which the above-mentioned blocking agent has bonded is 0.2 to 3% by weight of solid components and calculated on the isocyanate group.

Abstract: The present invention is to provide an aqueous polyurethane resin dispersion in which a polyurethane resin s dispersed in an aqueous medium, wherein the polyurethane resin is obtained by reacting (A) a polyurethane prepolymer which is obtained by reacting (a) a polyisocyanate compound, (b) a polyol compound containing a polycarbonate polyol having a number average molecular weight of 800 to 3500, and (c) an acidic group-containing polyol compound, and (B) a chain extender, being dispersed in an aqueous medium, (B) the chain extender contains a polyamine compound having three or more in total of an amino group(s) and/or an imino group(s) per molecule, and the polyurethane resin has, each based on a solid content, a content of urethane bonds of 5 to 10% by weight, a content of urea bonds of 2 to 7% by weight, a content of carbonate bonds of 15 to 40% by weight, has neither ether bond nor ester bond, has a density of cross-linking points of 1.0×10?4 to 1.

Abstract: An aqueous polyurethane resin dispersion exhibits excellent drying properties of coating films and gives coating films having high water resistance and on the other hand showing a high rate of swelling with respect to aqueous cleaning liquids to permit new application. The aqueous polyurethane resin dispersion is a dispersion of a polyurethane resin in an aqueous medium, the polyurethane resin being obtained by reacting (A) a polyurethane prepolymer obtained from (a) a polyisocyanate compound, (b) a polycarbonate polyol with a number average molecular weight of 400 to 3000, (c) an acidic group-containing polyol compound and (d) a blocking agent, with (B) a chain extender, the total content of urethane bonds and urea bonds being 7 to 15 wt %, the content of carbonate bonds being 15 to 40 wt %, the content of ether bonds being 0 wt %, the content of isocyanate groups bonded to the blocking agent being 0.

Abstract: An aqueous polyurethane resin dispersion is a dispersion of a polyurethane resin in an aqueous medium, the polyurethane resin being obtained by reacting (A) a polyurethane prepolymer obtained by reacting (a) a polyisocyanate compound, (b) a polyol compound including a polycarbonate polyol with a number average molecular weight of 400 to 3000, (c) an acidic group-containing polyol compound and (d) a blocking agent, with (B) a chain extender, the total content of urethane bonds and urea bonds being 7 to 15 wt %, the content of carbonate bonds being 15 to 40 wt %, the content of ether bonds being 0.5 to 5 wt %, the content of isocyanate groups bonded to the blocking agent being 0.2 to 2.0 wt %, each of these contents being based on solid contents, the acid value being 10 to 16 mg KOH/g. The aqueous polyurethane resin dispersion can form coating films which permit new application while exhibiting excellent water resistance and solvent resistance. A coating composition includes the dispersion.

Abstract: Disclosed is an aqueous polyurethane resin dispersion which comprises a polyurethane resin which is obtained by reacting (A) a polyurethane prepolymer obtained by reacting (a) a polycarbonate polyol having an alicyclic structure in the main chain, (b) an acidic group-containing polyol compound and (d) a polyisocyanate, and (B) a chain-elongating agent, being dispersed in an aqueous medium, a carboxylic acid group content of the above-mentioned (A) polyurethane prepolymer based on a solid component of (A) the polyurethane prepolymer is 2.0 to 13.0% by weight, and a number of a hydroxyl equivalent of a mixture of the above-mentioned (a) polycarbonate polyol having an alicyclic structure in the main chain, the above-mentioned (b) acidic group-containing polyol compound, and, if necessary, (c) a polyol other than (a) and (b) is 70 to 270.

Abstract: Disclosed is a polymerizable composition comprising Component (a): a polythiocarbonate polythiol, Component (b): an episulfide compound, and optionally Component (c): an organic compound having a functional group that is reactive to the episulfide compound. The polymerizable composition can be cured to provide a polythioether having excellent optical properties (a high refractive index and a high Abbe's number) as well as excellent mechanical properties (a high bending distortion and a high glass transition temperature) and thus exhibiting excellent properties as an optical material.

Abstract: Disclosed is a polythiocarbonate poly(thio)epoxide in which a hydrogen atom in a mercapto group of a polythiocarbonate polythiol is substituted with a (thio)epoxy-containing group. By using this compound as a starting material, there can be obtained a polythioether or a sulfur-containing polyether having, in addition to excellent optical properties (a high refractive index and a high Abbe's number), excellent mechanical properties (a high bending distortion) and a high glass transition temperature.

Abstract: The object of the invention is to provide a plant body in which the program for accumulating storage products has been modified, and applications of the same. In the invention, the plant body is constructed so as to have a B3 DNA-binding domain and an EAR motif, and so as to be capable of repressing the expression of two or more genes which code for two or more proteins having a sugar-inducible promotor function-suppressing activity.

Abstract: An aqueous polyurethane resin dispersion which can easily carry out repaint or removal of an extra coating film after coating on a substrate material is to be provided. It is an aqueous polyurethane resin dispersion which comprises a polyurethane resin obtained by reacting (A) a polyurethane prepolymer which is obtained by reacting (a) a polyisocyanate compound, (b) at least one polyol compound containing a poly-carbonate polyol having a number average molecular weight of 400 to 3000, (c) an acidic group-containing polyol compound, and (d) a blocking agent for an isocyanate group, which dissociates at 80 to 180° C.

Abstract: An aqueous polyurethane resin dispersion which can provide a coating film having high impact resistance and hardness and excellent in adhesiveness to an electrodeposited coating surface is to be provided. It is an aqueous polyurethane resin dispersion which comprises a polyurethane resin obtained by reacting (A) a polyurethane prepolymer which is obtained by reacting (a) a polyisocyanate compound, (b) at least one polyol compound containing a polycarbonate polyol having a number average molecular weight of 400 to 3000, (c) an acidic group-containing polyol compound, and (d) a blocking agent for an isocyanate group, which dissociates at 80 to 180° C.

Abstract: An aqueous polyurethane resin dispersion which can easily carry out repaint or removal of an extra coating film after coating on a substrate material, and has high coating film hardness is to be provided. It is an aqueous polyurethane resin dispersion which comprises (A) a polyurethane resin obtained by reacting (a) a polyisocyanate compound, (b) at least one polyol compound containing a polycarbonate polyol having a number average molecular weight of 400 to 3000, (c) an acidic group-containing polyol compound, and (d) a blocking agent for an isocyanate group, which dissociates at 80 to 180° C.

Abstract: Disclosed is an aqueous polyurethane resin dispersion which comprises a polyurethane resin which is obtained by reacting (A) a polyurethane prepolymer obtained by reacting (a) a polycarbonate polyol having an alicyclic structure in the main chain, (b) an acidic group-containing polyol compound and (d) a polyisocyanate, and (B) a chain-elongating agent, being dispersed in an aqueous medium, a carboxylic acid group content of the above-mentioned (A) polyurethane prepolymer based on a solid component of (A) the polyurethane prepolymer is 2.0 to 13.0% by weight, and a number of a hydroxyl equivalent of a mixture of the above-mentioned (a) polycarbonate polyol having an alicyclic structure in the main chain, the above-mentioned (b) acidic group-containing polyol compound, and, if necessary, (c) a polyol other than (a) and (b) is 70 to 270.

Abstract: The object of the invention is to provide a plant body in which the program for accumulating storage products has been modified, and applications of the same. In the invention, the plant body is constructed so as to have a B3 DNA-binding domain and an EAR motif, and so as to be capable of repressing the expression of two or more genes which code for two or more proteins having a sugar-inducible promotor function-suppressing activity.