Central Glass Co.

Ube, Japan

Central Glass Co.

Ube, Japan
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Provided is a precursor with which it is possible to form a solid electrolyte and negative electrode active material while preventing loss of mass during firing at 1,000C or lower. A precursor for forming a composite product of lithium titanate and lithium lanthanum titanate by firing, wherein a precursor of a lithium titanate composite product is used that is characterized in comprising a solid material that includes a composite salt of Li and Ti and an La source compound. Such a precursor of a lithium titanate composite product is obtained by a production method that is characterized in including a step for forming a solid material by heating a mixture that includes at least a Ti source, a Li source, and solvent by solvothermal treatment.


Patent
Central Glass Company | Date: 2017-03-13

An etching fault is suppressed by use of an etching gas containing iodine heptafluoride. Provided is an attached substance removing method of removing an attached substance containing an iodine oxide attached to a component included in a chamber or a surface of a pipe connected with the chamber by use of a cleaning gas containing a fluorine-containing gas. Also provided is a dry etching method, including the steps of supplying an etching gas containing an iodine-containing gas into a chamber to perform etching on a surface of a substrate; and after the etching is performed on the surface of the substrate, removing an attached substance containing an iodine oxide attached to a component included in the chamber or a surface of a pipe connected with the chamber by use of a cleaning gas containing a fluorine-containing gas.


Patent
Nagoya University and Central Glass Co. | Date: 2017-07-19

Provided is a method that allows growing a single crystal of silicon carbide on an off-substrate of silicon carbide while suppressing surface roughening. The method for producing a crystal of silicon carbide includes rotating a seed crystal of silicon carbide while bringing the seed crystal into contact with a starting material solution containing silicon and carbon. A crystal growth surface of the seed crystal has an off-angle, and the position of a rotation center of the seed crystal lies downstream of the central position of the seed crystal in a step flow direction that is a formation direction of the off-angle.


Patent
Central Glass Company | Date: 2017-01-04

Disclosed is a method for producing a fluoroalkanesulfonic anhydride, which is characterized in that a reaction is conducted while kneading a fluoroalkanesulfonic acid and diphosphorus pentoxide in a molar ratio of 2.0 or greater and less than 3.0, at a temperature that is 40 C or higher and is lower than 100 C by using a kneader-type reactor having a maximum power of 1.0 kW or greater per an actual capacity of 100 L and equipped with at least two-shaft blades, that the fluoroalkanesulfonic anhydride to be generated is discharged, and that, while the residue in the reactor after the discharge is kneaded at a temperature that is 100 C or higher and is lower than 140 C, the unreacted fluoroalkylsulfonic acid is discharged, recovered and reused as the raw material. It is possible by this method to obtain a fluoroalkanesulfonic anhydride with a high yield.


Patent
Central Glass Company | Date: 2017-05-24

Provided is a method for producing trans-1-chloro-3,3,3-trifluoropropane efficiently from an intermediate product having a low reactivity. Provided is a method for producing trans-1-chloro-3,3,3-trifluoropropane characterized by reacting a halogenated hydrocarbon compound having three carbon atoms represented by general formula (1) in a gas phase with hydrogen fluoride in the presence of chlorine. General formula (1): C_(3)H_(X)Cl_(Y)F_(Z) (In the formula: X is 2 or 3; and when X=2, Y is an integer from 1 to 4, Z is an integer from 0 to 3, and Y+Z=4; and when X=3, Y is an integer from 1-5, Z is an integer from 0-4, Y+Z=5. General formula (1) indicates a halogenated hydrocarbon compound having 3 carbon atoms and excluding trans-1-chloro-3,3,3-trifluoropropane.).


Patent
Central Glass Company | Date: 2017-06-28

It is provided a glass antenna to be arranged on a window glass of a vehicle, comprising a first antenna (3) configured to receive a radio wave in a first frequency band, and a second antenna (4) configured to receive a radio wave in a second frequency band having a frequency that is approximately half of a frequency of the first frequency band. The first antenna (3) including a core-side feeding unit (36) and an earth-side feeding unit (31) to be coupled to a receiver, a core-side element (37) extended from the core-side feeding unit, and an earth-side element (32) extended from the earth-side feeding unit. The core-side element (37) having a length approximately equal to a length obtained by multiplying a wavelength at a center frequency of the first frequency band by a wavelength shortening rate of glass.


Patent
Central Glass Company | Date: 2017-06-07

A method for improving preservation stability of 2,2-difluoroacetaldehyde according to the present invention include at least: a first step of forming a 2,2-difluoroacetaldehyde-alcohol composite system in which a 2,2-difluoroacetaldehyde hemiacetal coexists with an excess alcohol, wherein the total molar amount of the alcohol is 1.15 to 4.00 times the total molar amount of 2,2-difluoroacetaldehyde; and a second step of storing, in a storage container, the 2,2-difluoroacetaldehyde-alcohol composite system formed in the first step. It is possible by this method to suppress the conversion of the 2,2-difluoroacetaldehyde hemiacetal to a dimer and maintain the original aldehyde activity of the target compound with less composition change over a long term.


The present invention provides an electrolyte solution for a non-aqueous electrolyte solution battery capable of exhibiting excellent high-temperature cycle characteristics and excellent high-temperature storage characteristics at high temperature of 60C or above, and a non-aqueous electrolyte solution battery using the same. The electrolyte solution for a non-aqueous electrolyte solution battery of the present invention comprises at least: a non-aqueous solvent; a solute; at least one first compound represented by the following general formula (1); and at least one second compound represented by the following general formula (2).Si (R(2)


To provide a material suitable for a nonaqueous electrolyte battery having high-temperature durability. An ionic complex of the present invention is represented by any of the following formulae (1) to (3). For example, in the formula (1), A is a metal ion, a proton, or an onium ion; M is any of groups 13 to 15 elements. R^(1) represents a hydrocarbon group which may have a ring, a heteroatom, or a halogen atom, the hydrocarbon group having 1 to 10 carbon atoms, or -N(R^(2))-. R^(2) at this time represents hydrogen, alkali metal, a hydrocarbon group which may have a ring, a heteroatom, or a halogen atom, the hydrocarbon group having 1 to 10 carbon atoms. R^(2) can also have a branched chain or a ring structure when the number of carbon atoms is 3 or more. Y is carbon or sulfur. When Y is carbon, r is 1. When Y is sulfur, r is 1 or 2. a is 1 or 2, o is 2 or 4, n is 1 or 2, p is 0 or 1, q is 1 or 2, and r is 0, 1 or 2. When p is 0, a direct bond is formed between S and Y.


Patent
Central Glass Company | Date: 2017-01-06

A method for producing 1-chloro-3,3,3-trifluoropropene efficiently from an intermediate product having a low reactivity is provided. A method for producing trans-1-chloro-3,3,3-trifluoropropene comprising reacting a halogenated hydrocarbon compound having 3 carbon atoms represented by Formula (1) shown below in a gas phase with hydrogen fluoride in the presence of chlorine is provided. C_(3)H_(X)Cl_(Y)F_(Z )(1) wherein X is 2 or 3; and when X=2, Y is an integer from 1 to 4, Z is an integer from 0 to 3, and Y+Z=4; and when X=3, Y is an integer from 1 to 5, Z is an integer from 0 to 4, and Y+Z=5; provided that Formula (1) shown above represents a halogenated hydrocarbon compound having 3 carbon atoms excluding trans-1-chloro-3,3,3-trifluoropropene.

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