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    • 6. 发明专利
    • Method for producing carbonyl chloride
    • 生产氯化铜的方法
    • JP2012254895A
    • 2012-12-27
    • JP2011128321
    • 2011-06-08
    • Teijin Chem Ltd帝人化成株式会社
    • KURAGAKI MASAHIROOGASAWARA KAZUYOSHI
    • C01B32/80C08G64/28
    • PROBLEM TO BE SOLVED: To provide a method for producing carbonyl chloride having very little amount of impurities and good in hue, and the method for producing carbonyl chloride, which suppresses the deterioration of the catalyst and can be operated continuously for a long period.SOLUTION: The method for producing carbonyl chloride includes bringing chlorine and carbon dioxide into contact with a first solid catalyst having a specific surface area of 150 to 350 m/g to react to a reaction ratio of ≥30 mol%, and bringing the resultant into contact with a second solid catalyst having a specific surface area of 900 to 1,500 m/g to carry out the carbonyl chloride reaction.
    • 待解决的问题:提供一种生产具有少量杂质和色调良好的碳酰氯的方法和抑制催化剂劣化并可连续长时间运行的碳酰氯的制备方法 期。 解决方案:用于制备碳酰氯的方法包括使氯和二氧化碳与比表面积为150-350μm的第一固体催化剂接触, 与反应比例≥30摩尔%反应,使得到的比表面积为900〜1500m 2 /秒的第二固体催化剂接触,进行 碳酰氯反应。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • Method for producing carbonyl chloride, and method for producing polycarbonate resin
    • 氯乙烯的生产方法,以及生产聚碳酸酯树脂的方法
    • JP2012041259A
    • 2012-03-01
    • JP2010287725
    • 2010-12-24
    • Teijin Chem Ltd帝人化成株式会社
    • KURAGAKI MASAHIRO
    • C01B32/80B01J21/18C08G64/24
    • PROBLEM TO BE SOLVED: To provide a method for producing carbonyl chloride considerably reducing superfluous carbon monoxide in production, eliminating the remaining of impurities for the most part and excelling in hue, and to provide polycarbonate resin having little metal corrosive material and excelling in hue and molding thermal stability.SOLUTION: The method for continuously producing carbonyl chloride includes supplying chlorine (A mols) and carbon monoxide (B mols) continuously into a reaction system having a catalyst, and circulating a part (C mols) of the produced carbonyl chloride to supply it into the reaction system. The temperature of circulating gas is within a range of 40-150°C, and the following expressions (1), (2) are satisfied: (1) A:B=1.000:1.005-1.100 (molar ratio) and (2) A:C=1.00:0.05-3.00 (molar ratio).
    • 要解决的问题:为了提供生产中大量减少多余一氧化碳的碳酰氯的生产方法,大部分地消除了杂质的残留和色调的优异,并且提供了几乎没有金属腐蚀性材料和优异的聚碳酸酯树脂 色调和成型热稳定性。 解决方案:连续生产碳酰氯的方法包括将氯(A摩尔)和一氧化碳(B摩尔)连续供给到具有催化剂的反应体系中,并将所产生的碳酰氯的一部分(C摩尔)循环至供给 它进入反应体系。 循环气体的温度在40-150℃的范围内,满足下列表达式(1),(2):(1)A:B = 1.000:1.005-1.100(摩尔比)和(2) A:C = 1.00:0.05-3.00(摩尔比)。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Method for producing carbon monoxide and method for producing phosgene using the same
    • 用于生产一氧化碳的方法和使用该方法生产磷灰石的方法
    • JP2011006296A
    • 2011-01-13
    • JP2009152163
    • 2009-06-26
    • Teijin Chem Ltd帝人化成株式会社
    • MIZUNO TAKUYAKURAGAKI MASAHIRO
    • C01B32/40C01B32/80
    • PROBLEM TO BE SOLVED: To provide a method for producing phosgene where the increase of pressure drop and the deterioration of a solid catalyst caused by clogging of the chloride of nickel (a solid compound) produced by reacting a nickel compound in carbon monoxide produced by using coke with chlorine when producing phosgene on the surface layer and in the space of the solid catalyst are suppressed, where the renewal frequency of the solid catalyst is reduced, which has an advantageous cost and which has excellent production efficiency, and to provide a method for producing the carbon monoxide used as the raw material of phosgene.SOLUTION: In a method for producing high purity carbon monoxide by purifying the carbon monoxide produced by oxidizing the coke by the aeration of an oxygen-containing gas to the coke, it is characterized in that the obtained carbon monoxide is in contact with an aqueous alkali solution after being in contact with chlorine and then the carbon monoxide is in contact with an adsorbing agent.
    • 要解决的问题:提供一种生产光气的方法,其中由于通过使用通过使用生成的一氧化碳中的镍化合物反应而产生的镍(固体化合物)的氯化物的堵塞引起的压降的增加和固体催化剂的劣化 在表面层和固体催化剂的空间中产生光气时,氯的焦炭被抑制,其中固体催化剂的更新频率降低,其具有有利的成本并且具有优异的生产效率,并且提供一种方法 生产用作光气原料的一氧化碳。解决方案:通过将通过含氧气体通入焦炭氧化焦炭产生的一氧化碳纯化成生产高纯度一氧化碳的方法,其特征在于 所获得的一氧化碳在与氯接触后与碱性水溶液接触,然后一氧化碳被接触 与吸附剂接触。
    • 9. 发明专利
    • Method and apparatus for producing carbonyl chloride, and method and apparatus for producing polyisocyanate
    • 用于生产氯化亚铜的方法和装置,以及用于生产聚异氰酸酯的方法和装置
    • JP2010132474A
    • 2010-06-17
    • JP2008307717
    • 2008-12-02
    • Mitsui Chemicals Polyurethanes Inc三井化学ポリウレタン株式会社
    • TAKAHASHI HIRONORIKONUMA FUMIAKISASAKI SUKEAKI
    • C01B32/80B01J8/00C01B31/28C07C263/10C07C265/00G01N21/35G01N21/3504G01N21/359
    • PROBLEM TO BE SOLVED: To provide a method and apparatus for producing carbonyl chloride in which a supply amount of chlorine is kept equal to or less than a supply amount of carbon monoxide in terms of molar ratio so that a polyisocyanate can be prevented from being chlorinated, and to provide a method and apparatus for producing a polyisocyanate. SOLUTION: In a carbonyl chloride production control section 7, a supply amount of carbon monoxide gas is first set, a carbon monoxide control valve 9 is controlled so that carbon monoxide gas is continuously supplied to a reaction section 6 by the set supply amount, and a supply amount of carbon monoxide gas detected by a carbon monoxide flowmeter 10 is always monitored. On the basis of the always monitored supply amount of carbon monoxide gas, a supply amount of chlorine is always set so as to achieve a supply amount in a predetermined ratio corresponding to a certain molar ratio in which carbon monoxide becomes excess over chlorine, and a chlorine control valve 12 is controlled so that chlorine gas is supplied to the reaction section 6 by the always set supply amount. COPYRIGHT: (C)2010,JPO&INPIT
    • 待解决的问题:提供一种生产碳氯化物的方法和装置,其中氯的供应量以摩尔比计为一氧化碳的供应量等于或小于可以防止多异氰酸酯 并且提供用于制备多异氰酸酯的方法和装置。 解决方案:在碳酰氯生产控制部分7中,首先设置一氧化碳气体的供应量,控制一氧化碳控制阀9,使得一氧化碳气体通过设定供应连续地供应到反应部分6 总量监测一氧化碳流量计10检测到的一氧化碳气体的供给量。 基于始终监测的一氧化碳气体的供给量,始终设定氯的供给量,以实现与一氧化碳相对于氯过剩的一定摩尔比的规定比例的供给量, 氯控制阀12被控制,使得氯气通过始终设定的供给量被供应到反应部6。 版权所有(C)2010,JPO&INPIT