Verfahren zur Herstellung von Glycidyläthern ein- oder mehrwertiger Phenole
申请人:HOECHST AKTIENGESELLSCHAFT
公开号:EP0031435A1
公开(公告)日:1981-07-08
Glycidyläther ein- oder mehrwertiger Phenole von höchster Reinheit werden erhalten, wenn man die Halogenwasserstoffabspaltung aus den Halogenhydrinäthern der Phenole in wäßrigen Alkalien in Gegenwart quartärer Ammoniumverbindungen mit mindestens einem aliphatischen C4-22-Kohlenwasserstoffrest, quartärer Phosphoniumverbindungen oder tertiärer Sulfoniumverbindungen als Katalysator durchführt oder in Gegenwart solcher Verbindungen, die im Reaktionsmedium «in situ» vor der Zugabe des Alkalis solche Oniumverbindungen aus den Halogenhydrinäthern und tertiären Aminen, tertiären Phosphinen oder Thioäthern bilden. Gegenüber den bekannten Verfahren läßt sich dadurch die Dehydrohalogenierung um ein Vielfaches beschleunigen, wodurch eine Produktionssteigerung erzielt wird. Außerdem werden durch Vermeidung von Nebenreaktionen bedeutend reinere Umsetzungsprodukte erhalten. Diese Glycidyläther finden Verwendung als niedrigviskose Gieß- und Lackharze in Form von Lacken, Klebstoffen, Formmassen usw., wobei-übliche Härter eingesetzt werden können. Durch die niedrige Viskosität ist Verarbeitbarkeit erheblich besser sowie Aufnahmefähigkeit für Füllstoffe größer. Der extrem niedrige Gehalt an leicht verseifbarem Halogen bewirkt besonders günstiges Korrosionsverhalten.
A method for producing a borate compound represented by formula (1) is disclosed, comprising a first step of reacting lithium or magnesium or a compound containing lithium or magnesium, a halide represented by formula (2) and a compound represented by formula (3) in a solvent to produce a boronate compound precursor, a second step of reacting lithium or magnesium or a compound containing lithium or magnesium, a halide represented by formula (4) and the boronate compound precursor obtained in the first step in a solvent to produce a borate metal salt, and a third step of adding an onium halide represented by formula (5) to the borate metal salt obtained in the second step to effect ion-exchange reaction (the formulae are as described in the specification).
A method of producing a boron-based compound represented by general formula (1) including a first step of reacting lithium, magnesium or a compound containing lithium, a compound represented by general formula (2), and a compound represented by general formula (3): R2-Y to produce a borate metal salt represented by general formula (4), and a second step of adding to the borate metal salt an onium halide represented by general formula (5): Z+ · X- to effect ion exchange reaction (the symbols in the formulae have the same meanings as described in the specification).
According to the production method of the present invention, a high purity boron-based compound represented by the general formula (1) above useful as a photopolymerization initiator and a light-absorbing decolorizing agent can be obtained in a short time and a high yield as compared with the conventional method.
LANTHANOID-CONTAINING INORGANIC MATERIAL MICROPARTICLES, WAVELENGTH-CONVERTING INK, COATED ARTICLE, AND DETERMINATION APPARATUS
申请人:Sekisui Chemical Co., Ltd.
公开号:EP3409748A1
公开(公告)日:2018-12-05
The present invention aims to provide a lanthanoid-containing inorganic material fine particle that enables achievement of high luminous efficiency with less energy outflow upon conversion of the wavelength of light to a shorter wavelength. The present invention can also provide a wavelength conversion ink capable of maintaining a high emission intensity at the time of wavelength conversion for a long period of time, having high water repellency, and capable of forming a printing pattern excellent in retention properties, a coated article produced using the wavelength conversion ink, and a determination apparatus. The present invention relates to a lanthanoid-containing inorganic material fine particle having a function of converting a wavelength of light to a shorter wavelength, the lanthanoid-containing inorganic material fine particle including: a core particle; and a shell layer, the core particle containing a lanthanoid having a light-absorbing function and a lanthanoid having a light-emitting function, the shell layer including at least an outer shell containing a rare earth element, the total amount of the lanthanoid having a light-absorbing function and the lanthanoid having a light-emitting function in the outer shell being 2 mol% or less based on the amount of the rare earth element contained in the outer shell, the outer shell having a thickness of 2 to 20 nm, the core particle and the shell layer having no interface at a contact face to form a continuous body.