Kawasaki, Japan
Kawasaki, Japan

Asahi Glass Co., Ltd. , more commonly known as AGC, is a global glass manufacturing company, headquartered in Tokyo. It is one of the core Mitsubishi companies.The company is listed on the Tokyo Stock Exchange and is a constituent of the Topix and Nikkei 225 stock indices.Asahi Glass was named one of Thomson Reuters Top 100 Global Innovators in 2013. Wikipedia.


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To provide an ethylene/tetrafluoroethylene copolymer sheet excellent in the mechanical strength and the outer appearance, continuously produced by extrusion, and a process for producing it. An ethylene/tetrafluoroethylene copolymer sheet obtained by extrusion, which is characterized by having R_(0)/d (wherein R_(0 )is an in-plane phase difference [unit: nm], and d is a thickness [unit: nm]) of at most 3.010^(3), and a thickness of more than 300 m, and a process for producing it.


Patent
Asahi Glass Co. | Date: 2017-01-30

To provide a translucent structure, which is excellent in the antiglare property, and which has its sparkle sufficiently suppressed. The translucent structure of the present invention has the following concavo-convex structure on its surface. The concavo-convex structure: having first convex portions having a diameter of larger than 10 m in a cross section at a height of 0.05 m+the bearing height of a surface shape obtained by measuring a region of 101135 m to 111148 m by a laser microscope, and second convex portions having a diameter of larger than 1 m in a cross section at a height of 0.5 m+the above bearing height of the surface shape; the average diameter of the first convex portions being larger than 10 m and at most 185 m in a cross section at a height of 0.05 m+the above bearing height of the surface shape; the maximum height of the first convex portions being from 0.2 to 8 m based on a height at the lowest portion in the above region; and the number of the second convex portions being from 0.0004 to 1.2 per 1 um^(2), and the average height of the second convex portions being from 0.1 to 8 m based on the above bearing height.


Patent
Asahi Glass Co. | Date: 2017-01-30

To provide a heat cycle system with high durability, which employs a working fluid for heat cycle containing trifluoroethylene having a low global warming potential. A heat cycle system 10 which has a circulation path in which a working fluid for heat cycle containing trifluoroethylene is circulated from a compressor 11 via a condenser 12, an expansion valve 13 and an evaporator 14 to the compressor 11, wherein a conductor wire provided in the circulation path is covered with a heat resistant material having a heat resistance of at least 300 C.


To provide an ion exchange membrane for alkali chloride electrolysis, which has low membrane resistance and which reduces the electrolysis voltage during alkali chloride electrolysis, even if the spacing between reinforcing yarns is made narrow to increase the membrane strength. This ion exchange membrane 1 for alkali chloride electrolysis comprises a fluoropolymer containing ion exchange groups; a reinforcing material embedded in the fluoropolymer and formed of reinforcing yarns and optionally contained sacrificial yarns; and elution holes of the sacrificial yarns present between the reinforcing yarns, wherein in a cross section perpendicular to the length direction of the reinforcing yarns forming the reinforcing material, the average distance (d1) from the center of a reinforcing yarn 22 to the center of the adjacent reinforcing yarn 22 is from 750 to 1,000 m, the total area (S) obtained by adding the cross-sectional area of an elution hole 28 and the cross-sectional area of a sacrificial yarn 24 remaining in the elution hole 28 is from 500 to 5,000 m^(2 )per elution hole, and the number n of elution holes 28 between adjacent reinforcing yarns 22 is from 4 to 6.


Patent
Asahi Glass Co. | Date: 2017-02-06

A method for producing a hydrofluoroolefin, which comprises reacting a chlorofluoroolefin represented by the following formula (1) with hydrogen in the presence of a platinum group metal catalyst supported on a carbon carrier, to obtain a hydrofluoroolefin represented by the following formula (2), CZXCClY (1) wherein X is F or Cl, Y is F, Cl or H, and Z is F or CF_(3); CZXCHY(2) wherein X is F when X is F, or X is H when X is Cl, Y is F when Y is F, or Y is H when Y is Cl or H, and Z is the same as Z in the formula (1).


Provided is an adhesive for use in an ultraviolet-light-emitting device using ultraviolet light having a wavelength of from 200 to 400 nm as a light source, which can attach adherends made of a polymer having a fluorine-containing alicyclic structure with excellent adhesiveness which is unlikely to be impaired by exposure to such ultraviolet light or heat. An adhesive for forming an adhesive joint in an ultraviolet-light-emitting device, which is either the following adhesive (A) or the following adhesive (B) comprising a fluoropolymer having a fluorine-containing alicyclic structure:the adhesive (A): an adhesive in which the glass transition temperature of the fluoropolymer is from 30 to 100C, and which does not contain an ultraviolet-shielding agent; andthe adhesive (B): an adhesive comprising the fluoropolymer and an ultraviolet-shielding agent.


Patent
Asahi Glass Co. | Date: 2017-05-24

A glass substrate molding method includes: preparing a rotatable or wheelable molding die having a die surface and contacting the die surface with one of a pair of principal surfaces of a glass substrate made of a glass material containing an alkali metal oxide, the die having conductivity; keeping the one of principal surfaces contacted with the die surface at a temperature over 100C and equal to or lower than Tg + 50C; applying direct-current voltage to the substrate to be higher voltage on the contacted one of principal surfaces than voltage on an opposite surface of the contacted one of principal surfaces; and rotating or wheeling the die and simultaneously moving the die or the substrate in a direction parallel to the contacted one of principal surfaces in conformity with rotation or wheeling speed of the die, to mold the contacted one of principal surfaces of the substrate.


Patent
Asahi Glass Co. | Date: 2017-05-24

Vacuum insulating glass has a gap portion between first and second glass substrates. The first glass substrate has a first surface, which is closer to the gap portion, a second surface at an opposite side of the first surface, and a through hole that penetrates from the first surface to the second surface, the through hole being sealed by a sealing plate joined to the first glass substrate via a sealing material. The sealing plate is covered with a metal cover. A clearance gap between the metal cover and the sealing plate is filled with resin.


Patent
Agc Glass Europe and Asahi Glass Co. | Date: 2017-03-22

The invention relates to a glass sheet having a composition that comprises, in an amount expressed in percentages by total weight of glass: SiO2 : 55 - 85%; Al2O3 : 0 -30%; B2O3 : 0 - 20%; Na2O : 5 - 25%; CaO : 0 - 20%; MgO : 0 -15%; K2O : 0 - 20%; BaO : 0 - 20%; Total iron (expressed in Fe2O3 form): 0.002 - 0.06%; said composition also comprising one of the following components: manganese (expressed in MnO form), in an amount ranging from 0.01 to 1% by weight; antimony (expressed in Sb2O3 form), in an amount ranging from 0.01 to 1% by weight; arsenic (expressed in AS2O3 form), in an amount ranging from 0.01 to 1% by weight; or copper (expressed in CuO form), in an amount ranging from 0.0002 to 0.1% by weight. The invention also relates to the use of such a glass sheet in a device employing infrared radiation propagating essentially inside said sheet. By virtue of its high transmission at infrared wavelengths, said glass sheet may advantageously be used, for example, in a screen or panel or pad, the glass sheet defining a touch surface.


Patent
Agc Glass Europe and Asahi Glass Co. | Date: 2017-05-17

The invention relates to a glass sheet comprising at least one etched surface having a surface roughness defined, when measured on an evaluation length of 2 mm and with a Gaussian filter of which the cut-off wavelength is 0.8 mm, by: 0.02 Ra 0.4 microns, 5 RSm 30 microns, said glass sheet having the following optical properties, when measured from said etched surface: - a haze value of from 1 to 30%; - a clarity value of from 50 to 100%; - a gloss value at 60 of from 30 to 110 SGU. Such a glass sheet which is particularly suitable for display applications as cover glass. In particular, the glass sheet of the invention has excellent anti-sparkling properties together with an anti-glare effect. Moreover, the glass sheet of the invention also combines anti-glare and anti-sparkling properties with a soft touch.

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