摘要:
A process for producing alcohols comprising catalytically reducing fats and oils or fatty acid esters with hydrogen in the presence of a catalyst for ester reduction is disclosed, wherein the starting oils are first treated at a temperature of from 50.degree. to 200.degree. C. in hydrogen gas or a mixed gas of hydrogen and an inert gas in the presence of a nickel catalyst to yield a sulfur content at not more than 0.6 ppm an acid value (KOH mg/g) of not more than 2. By use of the thus purified starting oils, the catalyst for ester reduction exhibits a prolonged duration.
摘要:
A process for producing desulfurized fats and oils or fatty acid esters is disclosed, which comprises treating fats and oils or fatty acid esters under hydrogen or a mixture of hydrogen and an inert gas atmosphere at a pressure of from 0.1 to 500 kg/cm.sup.2 in the absolute pressure at a temperature of from 100.degree. to 350.degree. C. in the presence of a catalyst of the following formula (I):Cu.multidot.X.sub.x .multidot.Y.sub.y .multidot.O.sub.z (I)wherein all symbols are defined in the disclosure. A process for producing an alcohols using desulfurized fats and oils or fatty acid esters is also disclosed. According to the process for producing an alcohol of the present invention, an alcohol of a high purity and good qualities can efficiently and effectively be produced.
摘要翻译:公开了一种生产脱硫脂肪和油或脂肪酸酯的方法,其包括在氢气或氢气和惰性气体气氛下以0.1-500kg / cm 2的压力下在脂肪和油或脂肪酸酯中的处理 在下式(I)的催化剂存在下,在100℃至350℃的温度下的绝对压力:其中所有符号在本公开中定义的CuxXxxYyxOz(I)。 还公开了使用脱硫脂肪和油或脂肪酸酯制备醇的方法。 根据本发明的醇的制造方法,可以有效且高效地制造纯度高,品质好的醇。
摘要:
A process for producing desulfurized fats and oils or fatty acid esters, which are highly suitable as a starting material for producing alcohols via hydrogenation, at a high yield is disclosed. Desulfurized fats and oils or fatty acid esters are obtained by contacting fats and oils or fatty acid esters with a catalyst represented by the following formula (I) under a hydrogen atmosphere or a mixture of hydrogen with an inert gas:Ni.Cu.sub.x O.sub.y (I)wherein x represents an atomic ratio of Cu determined by referring Ni as 1 and a value of from 0.02 to 8; and y is an atomic ratio of oxygen satisfying the valence requirements of Ni and Cu. A process for producing alcohols using the desulfurized fats and oils or fatty acid esters is also disclosed. A process for producing an alcohols using desulfurized fats and oils or fatty acid esters is also disclosed. According to the process for producing an alcohol of the present invention, an alcohol of a high purity and good qualities can efficiently and effectively be produced.
摘要:
A process for producing an unsaturated alcohol wherein the catalytic activity and the capability of maintaining double bond are sustained for a long time and side-reactions are suppressed. An unsaturated alcohol is obtained by hydrogenating an alkyl or alkenyl ester of an unsaturated fatty acid or a triglyceride having a long-chain aliphatic unsaturated hydrocarbon group in the presence of a catalytic composition which is a composite metal oxide consisting of (a) zinc oxide and (b) oxide(s) of at least one metal selected from the group consisting of the elements of the group 3A in the periodic table and having a weight ratio of (a)/(b) of from 1/0.01 to 1/1.2.
摘要:
A practically realizable semiconductor magnetic body having a flat-band structure is disclosed. The semiconductor magnetic body is formed by semiconductor quantum dots arranged on lattice points such that electrons can transfer between neighboring quantum dots and the electron energy band contains a flat-band structure, where each quantum dot is a structure in which electrons are confined inside a region which is surrounded by high energy potential regions, and the flat-band structure is a band structure in which energy dispersion of electrons has hardly any wave number dependency.
摘要:
The present invention relates to an aromatic polycarbonate resin which comprises repetitive units originating in residual groups of a 2,2-bis(4-hydroxyphenyl)adamantane compound and a 1,3-bis(4-hydroxyphenyl)adamantane compound having a substituent on an aromatic ring and which is excellent in a transparency, a heat resistance and a mechanical strength and has a good moldability and a production process for the aromatic polycarbonate resin described above in which the adamantane compounds described above are reacted with a carbonic ester-forming compound. Further, it relates to an aromatic polycarbonate resin which is excellent in an optical characteristic and an optical part prepared by molding the same.
摘要:
To provide a capacitor device that can be made lighter in weight, thin shaped, and miniaturized, which has a plurality of conductive pattern electrodes 18 and 22 electrically separated by a separation groove 19; a capacitor element 15 including an anode lead 16 fixed to the one conductive pattern electrode 18 and a cathode lead 17 fixed to the other conductive pattern electrode 22; an insulating resin 24 for covering the capacitor element 15 and a part working as the conductive pattern electrodes 18 and 22 except for a lower face of the conductive pattern electrodes 18 and 22, and for integrally supporting the conductive pattern electrode and the capacitor element.
摘要:
A color cathode ray tube having at least an electron gun and a fluorescent screen. The electron gun forms a plurality of electron beams arranged in line and includes a focusing electrode and an anode having a gap and providing a main lens for focusing and accelerating the electron beams. The focusing electrode includes at least a first division electrode and a second division electrode having the same potential and arranged with a gap in the axial direction of the tube. The second division electrode is opposed to said anode and has, in the opposed surface thereof, a single opening for passing the plurality of electron beams in common. The second division electrode is opposed to the first division electrode and has, in the opposed surface thereof, individual electron beam passing openings for the respective electron beams. The length of the second division electrode in the axial direction of the tube is shorter than the length of the first division electrode in the axial direction of the tube and the diameter of the individual electron beam passing openings in the surface of the second division electrode opposed to the first division electrode is smaller than the diameter of the single opening in the surface of the second division electrode opposed to the anode in a direction at right angles with the in-line direction. The length of the second division electrode in the axial direction of the tube is not smaller than the diameter of the single opening in a direction at right angles with the in-line direction.
摘要:
A book recycling promotion device registers in advance a book purchased information of a customer and an electronic mail address of the customer, calculates a current buying price of the book based on a current sales information on the book included in the book purchased information, and sends an electronic mail including the buying price and a message to promote selling-off of the book to the electronic mail address corresponding to the book purchased information.
摘要:
The present invention provides a polythiocarbonate resin containing a repeating unit represented by the following general formula (1), having high transparency, refractive index, and Abbe number and excellent heat resistance and impact resistance, and an optical material using the polythiocarbonate resin.Further, the present invention provides a sulfur-containing compound having an Abbe number of 40 or more, a high refractive index, a high Abbe number, excellent transparency, excellent heat resistance, and the like, obtained by reacting a dithiol compound represented by the following general formula (II) and a diene compound represented by the following general formula (III), and thus containing a repeating unit formed of a structural unit derived from a residue of the dithiol compound and a structural unit derived from a residue of the diene compound. Still further, the present invention provides a method of producing the sulfur-containing compound, a sulfur-containing polymer including the sulfur-containing compound as a constitutional component, and an optical material containing the sulfur-containing polymer. HS-G1-SH (II) G2″ (III)