Osaka, Japan
Osaka, Japan

Daikin Industries, Ltd. is a Japanese multinational air conditioner manufacturing company headquartered in Osaka. It has operations in Japan, China, Australia, India, Southeast Asia, Europe, and North America.Daikin codeveloped a R-410A refrigerant with Carrier and is an innovator in the Split System Air Conditioning Market, and is the inventor of Variable Refrigerant Flow air conditioning systems . Wikipedia.


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Patent
Daikin Industries Ltd | Date: 2016-12-13

Provided is a surfactant which has a high surface tension reducing ability and a high solubility in a liquid medium, containing a fluorine-containing copolymer containing, as essential components, a monomer having a fluoroalkyl group having 1 to 7 carbon atoms, a hydrophilic monomer, and a monomer having an ion donor group. Further provided are a coating composition, an ink composition and a photographic emulsion composition, each comprising the surfactant.


Patent
Daikin Industries Ltd | Date: 2016-10-21

The present invention aims to provide an aqueous dispersion that contains particles of a fluoropolymer at high concentrations and has a less variable pH, and in which aggregates are less likely to be generated even after the aqueous dispersion has been stored for a long time. The present invention relates to an aqueous dispersion, including: particles of a fluoropolymer having an average primary particle size of 0.1 to 0.5 m in an amount of 50 to 70% by mass; a nonionic surfactant in an amount of 2 to 10% by mass based on the amount of the fluoropolymer; and ammonium lauryl sulfate in an amount of 0.0001 to 1% by mass based on the amount of the fluoropolymer, wherein an amount of a fluorine-containing anionic surfactant is less than 10 ppm.


Patent
Toppan Printing Co. and Daikin Industries Ltd | Date: 2016-11-15

In order to reduce manufacturing cost and required energy largely and to improve weather resistance, a heat-shielding property, hydrophilicity, a nonflammable property, chemical resistance, flexibility, a handling property, and a surface printing excellent characteristic, in a nonflammable sheet, a resin layer including a first fluorocarbon resin containing a vinylidene fluoride copolymer, an acrylic copolymer, and titanium oxide, and a second fluorocarbon resin containing a vinylidene fluoride polymer, a siloxane polymer, and a crosslinked acrylic polymer is formed on a surface of a woven fabric formed of a nonflammable fiber.


Patent
Daikin Industries Ltd | Date: 2016-11-10

The present invention provides a highly stable haloolefin-based composition that inhibits decomposition or oxidization. The haloolefin-based composition comprising (a) a haloolefin; (b) at least one compound selected from the group consisting of HFC-1234ze, HFC-254eb, HFC-1243zf, HFC-245eb, HFC-245fa, HC-245cb, HFC-236ea, HFC236fa, HFC1225ye, 3,3,3-trifluoropropine, HFC-23, HFC-32, HFC-125, HFC-143a, HFC-134a, FC-1216, HCFO-1233xf, HCFO-1233zd, HCFO-1232xf, HCFO-1223xd, and chloromethane; and (c) water.


Patent
Daikin Industries Ltd | Date: 2016-11-21

A backsheet for a solar cell module, including a substrate sheet and a cured coating film formed from a coating material that contains a curable functional group-containing fluorinated polymer and an acrylic polymer.


Patent
Daikin Industries Ltd | Date: 2016-05-27

In the production of fluorine-containing olefins using a chlorine-containing alkane or a chlorine-containing alkene as a starting material, a process for producing a plurality of useful fluorine-containing olefins with high selectivity using the same raw material, the same equipment, and the same conditions is provided. The present invention provides a process for producing fluorine-containing olefins, the process comprising reacting a chlorine-containing compound represented by a specific formula and anhydrous hydrogen fluoride in the presence of oxidative gas and a fluorination catalyst, wherein the fluorination catalyst is a catalyst in which at least one metal element M selected from the group consisting of Group VIII and Group IX is present together with chromium. This production process can simultaneously produce two or more fluorine-containing olefin compounds, including HFO-1234yf and HFO-1234ze, with high selectivity.


Patent
Daikin Industries Ltd | Date: 2016-04-13

The present invention aims to provide a method of producing a fluoropolymer, especially a fluoropolymer essentially including a tetrafluoroethylene or chlorotrifluoroethylene unit, at a higher polymerization rate with improved efficiency, the method being capable of improving the moldability in extrusion molding and suppressing discoloration. The method of producing a fluoropolymer of the present invention includes producing a fluoropolymer by polymerizing tetrafluoroethylene or chlorotrifluoroethylene in the presence of a peroxydicarbonate. The peroxydicarbonate is represented by the formula:R-O-C(=O)-O-O-C(=O)-O-Rwherein Rs may be the same as or different from each other and individually represent a C4 alkyl group or alkoxy alkyl group.


Patent
Daikin Industries Ltd | Date: 2016-10-12

To obtain a blade of a cross-flow fan with which it is possible to provide a cross-flow fan that is highly efficient and that produces little noise even when high loads are applied. A leading-edge portion (42) and a trailing-edge portion (43) of a blade (40) are formed such that the radius R1 of the leading-edge portion (42) is greater than the radius R2 of the trailing-edge portion (43). A base portion (41) of the blade (40) has a maximum thickness at a position (Mxp) of maximum thickness located closer to the leading-edge portion (42) than to the trailing-edge portion (43), a thickness at an intermediate position (CLm) along a chord length, and a thickness at a position (CL5) set apart from an outer-peripheral end (CLp) of the blade chord by 5% of the chord length CL. The base portion (41) is formed such that a value obtained by dividing the thickness by the maximum thickness is greater than a value obtained by dividing the thickness by the thickness .


Patent
Daikin Industries Ltd | Date: 2016-02-17

Disclosed herein is a decorative panel for a ceiling-mounted indoor unit of an air conditioning device, and the panel is configured to improve the design of a suction grill without increasing the number of manufacturing process steps. The decorative panel (40) includes: a panel body (41) having a suction port (42a); and a suction grill (60) attached to the suction port (42a) of the panel body (41). The suction grill (60) has a grill body (61) which is formed in the shape of a grid to have a large number of suction holes (63) and is positioned over the suction port (42a). A large number of recesses (81) are formed in a lower surface of the decorative panel (40) so as to be arranged along, and to surround, the grill body (61).


Patent
Daikin Industries Ltd | Date: 2016-12-07

Provided is a heat source unit capable of demonstrating sufficient capability by stable regulation of the valve opening of motor-operated valves provided in corresponding fashion to each of a plurality of heat exchangers mutually connected in parallel. A first heat exchanger (24) and a second heat exchanger (25) are mutually connected in parallel, and a first heat-source-side flow-rate-regulating valve (26) and a second heat-source-side flow-rate-regulating valve (27) for regulating flow rate are provided on an upstream side when each function as an evaporator. A heat-source-side controller (20) specifies a total valve opening of the first heat-source-side flow-rate-regulating valve (26) and the second heat-source-side flow-rate-regulating valve (27) on the basis of the discharge refrigerant temperature of the compressor (21), and a relationship between the valve opening of the first heat-source-side flow-rate-regulating valve (26) and the valve opening of the second heat-source-side flow-rate-regulating valve (27) is regulated on the basis of the temperature of refrigerant flowing from the first heat-source-side flow-rate-regulating valve (26) toward the first heat exchanger (24), and the temperature of refrigerant flowing from the second heat-source-side flow-rate-regulating valve (27) toward the second heat exchanger (25).

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