摘要:
This is to provide a novel aniline compound represented by the following formula (I) having an excellent bronchodilatory action based on potent EP2 agonistic action. A compound represented by the formula (I):
摘要:
An object is to obtain an aqueous polyurethane resin dispersion having excellent drying property, which can provide a coating film having high hardness. The aqueous polyurethane resin dispersion comprises a polyurethane resin obtained by reacting (a) a polyol compound, (b) a polyisocyanate compound, (c) an acidic group-containing polyol compound and (d) a chain-elongating agent, which is being dispersed in an aqueous medium, wherein the above-mentioned (a) polyol compound contains at least (a1) a polycarbonate polyol having an alicyclic structure at the main chain and (a2) a polymer polyol having a number average molecular weight of 500 to 5000 and having no alicyclic structure.
摘要:
Novel processes for preparing arylsulfur pentafluorides are disclosed. Processes include reacting at least one aryl sulfur compound with a halogen and a fluoro salt to form an arylsufur halotetrafluoride. The arylsulfur halotetrafluoride is reacted with a fluoride source to form a target arylsulfur pentafluoride.
摘要:
There is disclosed a conductive resin composition, comprising: (a) a resin component, and (b) a fine carbon fiber dispersed in the resin component, wherein a graphite-net plane consisting solely of carbon atoms forms a temple-bell-shaped structural unit comprising closed head-top part and body-part with open lower-end, 2 to 30 of the temple-bell-shaped structural units are stacked sharing a common central axis to form an aggregate, and the aggregates are connected in head-to-tail style with a distance to form the fiber. The resin composition has high conductivity while maintaining the original physical properties of the resin.
摘要:
The present invention is to provide a medical composition for the treatment or prophylaxis of diseases caused by angiogenesis of eyes which comprises a compound represented by the following formula (I):
wherein R 1 represents a C 1 -C 6 alkyl group or halogeno-C 1 -C 6 alkyl group, R 2 represents a carboxyl group which may be protected, and Y represents a group represented by the formula (II):
wherein Z represents CH or nitrogen atom, or a pharmaceutically acceptable salt thereof as an active ingredient.
摘要:
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, being dispersed in an aqueous medium, a sum of a content of urethane bodings and a content of urea bondings is 7 to 40% by weight in terms of solid components, a content of carbonate bondings is 8 to 40% by weight in terms of solid components, and a content of an isocyanate group to which the above-mentioned blocking agent has bound is 2 to 10% by weight in terms of solid components and calculated on the isocyanate group.
摘要:
The invention provides a rubber composition for belt use suitable for industrial rubber belts with less energy loss and excellent durability such resistance to flex crack growth. The rubber composition for belt use comprises (A) 90-5 mass % of a vinyl-cis-polybutadiene rubber including (b) 1-30 mass % of specific syndiotactic 1,2-polybutadiene crystal fibers having an average fiber length of crystal fibers equal to 200 nm or below, an average aspect ratio of 10 or lower, the number of crystal fibers having a fiber length of 200 nm or below equal to 90 or more per 25 µm 2 , and a melting point of 170 °C or higher, and (a) 99-70 mass % of a cis-polybutadiene rubber; (B) 10-95 mass % of a diene-based rubber other than (A); and (C) 20-70 parts by mass of a rubber reinforcing agent compounded on the basis of 100 parts by mass of the rubber components (A) + (B), wherein the rubber reinforcing agent (C) contains at least carbon black and silica, wherein the compounding amount of the silica in the rubber reinforcing agent is 70 mass % or less.