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1. 发明专利

JP2006242636A Measuring and controlling method of liquid level in polymer synthesizer and device for the same 有权
标题翻译：聚合物合成器中液位的测量和控制方法及其设备
公开(公告)号：JP2006242636A
公开(公告)日：2006-09-14
申请号：JP2005056294
申请日：2005-03-01
申请人： Hitachi Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社日立製作所
发明人： OKAMOTO SHIGEYASU , MATSUO TOSHIAKI , MIZUMOTO MAMORU , MATSUMOTO TAKAYUKI , OBARA HITOMI , SAWA SEIJI , FUJII YASUHIRO , KAWAMOTO TATSUJI , YATSUGI TAKASHI
IPC分类号： G01F17/00 , C08F2/01 , C08G63/78 , G01F22/02 , G01F23/18
摘要： PROBLEM TO BE SOLVED: To provide a method for safely and easily measuring and/or controlling the liquid level in a reaction tank in advance systhesizing polymer from materials in molten state.
SOLUTION: By opening a valve 22, gas is supplied to a tentative gas receiver tank 18 from a gas supplier device 20. When the gas pressure reaches a specific value, the valve 22 is closed and a pulse valve 17 is opened for a specific time to discharge through a discharge outlet 24 into a vertical reaction tank 13. Pressure rise is measured with a pressure meter 16. The pressure is converted in a controller 21 to an average height of the liquid level, which is compared with the set value and the flow rate of a material supply pump 14 is controlled.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于安全且容易地测量和/或控制反应罐中的液位的方法，其预先从熔融状态的材料中聚合聚合物。解决方案：通过打开阀门22，气体从气体供应器装置20供应到临时储气罐18.当气体压力达到特定值时，阀22关闭，并且脉冲阀17打开，通过排出口24排放到垂直反应槽13中的特定时间。用压力计16测量压力上升。将控制器21中的压力转换成液面的平均高度，其与该组相比较值和材料供应泵14的流量被控制。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2005255751A Lactide synthesis method and lactide synthesis apparatus 有权
标题翻译： LACTIDE合成方法和乳液合成装置
公开(公告)号：JP2005255751A
公开(公告)日：2005-09-22
申请号：JP2004066625
申请日：2004-03-10
申请人： Hitachi Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社日立製作所
发明人： MATSUO TOSHIAKI , MATSUMOTO TAKAYUKI , OKAMOTO SHIGEYASU , OBARA HITOMI , SAWA SEIJI , FUJII YASUHIRO , KAWAMOTO TATSUJI , YATSUGI TAKASHI
IPC分类号： C08G63/78 , B01J19/18 , C07C67/08 , C08G63/08 , C08L101/16
CPC分类号： B01J19/1862 , B01J2219/00031 , B01J2219/0004 , B01J2219/00094 , B01J2219/00135 , B01J2219/002 , C07D319/12 , C08G63/08
摘要： PROBLEM TO BE SOLVED: To reduce the water concentration in a lactide in a lactide synthesis apparatus or process. SOLUTION: After a lactic acid oligomer discharge valve 10 is closed, lactic acid is transferred to a lactic acid condensation apparatus 2. The lactic acid is concentrated and condensed by heating in a vacuum, and the formed water is evaporated. Lactic acid, a lactic acid oligomer, and lactide are removed from or returned to the formed gas by means of a condensation apparatus 11. The water concentration of the gas is measured with a pressure measurement device 12. After confirming that the water concentration is not higher than a specified value, the lactic acid oligomer discharge valve 10 is opened to transfer the lactic acid oligomer. The oligomer is depolymerized to form gaseous lactide, which is then condensed and recovered. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了降低丙交酯合成装置或方法中的丙交酯中的水分浓度。解决方案：在关闭乳酸低聚物排出阀10之后，将乳酸转移到乳酸冷凝装置2中。通过在真空中加热浓缩和浓缩乳酸，蒸发形成的水。乳酸，乳酸低聚物和丙交酯通过冷凝装置11除去或返回到形成的气体中。用压力测量装置12测量气体的水浓度。确认水浓度不是高于规定值时，打开乳酸低聚物排出阀10以转移乳酸低聚物。将低聚物解聚形成气态丙交酯，然后冷凝并回收。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2007126601A Method and equipment for removing unreacted monomer 有权
标题翻译：用于去除未消除单体的方法和设备
公开(公告)号：JP2007126601A
公开(公告)日：2007-05-24
申请号：JP2005322169
申请日：2005-11-07
申请人： Hitachi Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社日立製作所
发明人： MIZUMOTO MAMORU , MATSUO TOSHIAKI , OKAMOTO SHIGEYASU , OBARA HITOMI , SAWA SEIJI , FUJII YASUHIRO , KAWAMOTO TATSUJI , YATSUGI TAKASHI
IPC分类号： C08G63/88 , C08G63/08
摘要： PROBLEM TO BE SOLVED: To provide, in manufacturing a polymer by the ring-opening polymerization reaction of the cyclic dimer of an α-hydroxy carboxylic acid, a means for removing the cyclic dimer of the α-hydroxy carboxylic acid that remains the unreacted monomer and preventing the quality loss of the obtained polymer. SOLUTION: The method is the one for removing, in the manufacture of the polymer by the ring-opening polymerization reaction of the cyclic dimer of the α-hydroxy carboxylic acid, the unreacted cyclic dimer of the α-hydroxy carboxylic acid. The method comprises adding, to the reaction product of the ring-opening polymerization reaction, a mixture of an antioxidant, a catalyst deactivator and the cyclic dimer of the α-hydroxy carboxylic acid and conducting the mixing and evaporation of the cyclic dimer of the α-hydroxy carboxylic acid under reduced pressure. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：待解决的问题：为了提供通过α-羟基羧酸的环状二聚体的开环聚合反应制造聚合物，除去保留的α-羟基羧酸的环状二聚体的方法未反应的单体，并且防止所得聚合物的质量损失。解决方案：该方法是通过α-羟基羧酸的环状二聚体，α-羟基羧酸的未反应的环状二聚体的开环聚合反应来制造聚合物的方法。该方法包括向开环聚合反应的反应产物中加入抗氧化剂，催化剂失活剂和α-羟基羧酸的环状二聚体的混合物，并进行α型环状二聚体的混合和蒸发 - 羟基羧酸。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2006241022A Apparatus for producing lactide and method for producing the lactide 审中-公开
标题翻译：用于生产乳液的装置和用于生产乳液的方法
公开(公告)号：JP2006241022A
公开(公告)日：2006-09-14
申请号：JP2005056279
申请日：2005-03-01
申请人： Hitachi Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社日立製作所
发明人： OKAMOTO SHIGEYASU , MATSUO TOSHIAKI , MATSUMOTO TAKAYUKI , OBARA HITOMI , SAWA SEIJI , FUJII YASUHIRO , KAWAMOTO TATSUJI , YATSUGI TAKASHI
IPC分类号： C07D319/12
摘要： PROBLEM TO BE SOLVED: To provide an apparatus for producing lactide, having a lactic acid condensation device, a pressure reducing device of the lactic acid condensation device, a depolymerization device of a lactic acid oligomer, and a pressure reducing device of the depolymerization device, capable of being continuously operated, capable of being easily handled, and capable of economically producing the lactide, and to provide a method for economically producing the lactide, using the apparatus. SOLUTION: This apparatus for producing the lactide has the lactic acid condensation device, the depolymerization device, and the pressure reducing device of the depolymerization device, wherein a first cooler and a second cooler which are positioned in series between the depolymerization device and the pressure reducing device of the depolymerization device, a first recovery tank which is positioned to the first cooler, and a second recovery tank which is positioned to the second cooler are included in the apparatus, and further temperature controlling devices are positioned on a pipeline between the decomposition device and the first cooler, a pipeline between the first cooler and the second cooler, a pipeline between the first cooler and the first recovery tank, and pipeline between the second cooler and the second recovery tank. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：待解决的问题：提供一种具有乳酸缩合装置的丙交酯的制造装置，乳酸缩合装置的减压装置，乳酸低聚物的解聚装置，以及降压装置解聚装置，能够连续操作，能够容易地处理，并且能够经济地生产丙交酯，并且提供了使用该装置经济地生产丙交酯的方法。解决方案：该制造丙交酯的装置具有解聚装置的乳酸缩合装置，解聚装置和减压装置，其中第一冷却器和第二冷却器串联在解聚装置和解聚装置的减压装置，位于第一冷却器的第一回收罐和位于第二冷却器的第二回收罐被包括在装置中，并且另外的温度控制装置位于管道之间分解装置和第一冷却器，第一冷却器和第二冷却器之间的管道，第一冷却器和第一回收罐之间的管道，以及第二冷却器和第二回收罐之间的管道。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2009298935A Synthesis method and device of lactide and polylactic acid 有权
标题翻译：合成方法和乳酸和聚酸的装置
公开(公告)号：JP2009298935A
公开(公告)日：2009-12-24
申请号：JP2008155560
申请日：2008-06-13
申请人： Hitachi Plant Technologies Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社日立プラントテクノロジー
发明人： MATSUO TOSHIAKI , KAMIKAWA MASAYUKI , OKA KENICHIRO , OKAMOTO SHIGEYASU , KAJIYA TAKASHI , HABU KAZUNORI , HORIBE YASUMASA
IPC分类号： C08G63/08 , C08L101/16
摘要： PROBLEM TO BE SOLVED: To synthesize a lactide nearly free from optical isomer formation.
SOLUTION: Concentrated lactic acid is supplied to a lactic acid condensing device 4 to form a lactic acid oligomer. The lactic acid oligomer is supplied to a tank type first continuous depolymerizing device 29 and brought into mixing contact with a catalyst to form a lactide. The residue of the reaction liquid is continuously supplied to a second continuous depolymerizing device 54 to which a centrifugal thin film evaporation device is applied and the lactide is further formed. The residue liquid thereof is supplied to a third continuous depolymerizing device 71 to which a lateral type twin-screw stirrer is applied and the lactide is further formed. The lactide formed in each depolymerizing device is each treated in a partial condensing device 35 and the like and impurities are condensed and fed back to the lactic acid condensing device 4. Lactide vapor is condensed and recovered by a lactide condensing device 37 and the like and individually treated by a refining device 116 to be refined.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：合成几乎不含光学异构体形成的丙交酯。解决方案：将浓缩的乳酸供应到乳酸冷凝装置4以形成乳酸低聚物。将乳酸低聚物供给到槽型第一连续解聚装置29中，与催化剂进行混合接触，形成丙交酯。将反应液的残留物连续地供给到施加离心薄膜蒸发装置的第二连续解聚装置54，并进一步形成丙交酯。将其残留液体供给到施加侧面型双螺杆搅拌器的第三连续解聚装置71，并进一步形成丙交酯。在每个解聚装置中形成的丙交酯各自在部分冷凝装置35等中进行处理，并且杂质被冷凝并反馈到乳酸冷凝装置4.丙交酯蒸气通过丙交酯冷凝装置37等冷凝和回收，通过精炼装置116单独处理以进行精制。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2009256210A Method and device for producing purified cyclic dimer of lactic acid, and method and device for producing polylactic acid 有权
标题翻译：用于生产纯化的酸性环状二聚体的方法和装置，以及用于生产聚酸的方法和装置
公开(公告)号：JP2009256210A
公开(公告)日：2009-11-05
申请号：JP2008103580
申请日：2008-04-11
申请人： Hitachi Plant Technologies Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社日立プラントテクノロジー
发明人： KAMIKAWA MASAYUKI , MATSUO TOSHIAKI , OKAMOTO SHIGEYASU , OKA KENICHIRO , KAWAMOTO TATSUJI , KUROMIYA SHIGERU , HABU KAZUNORI
IPC分类号： C07D319/12 , C08G63/08
摘要： PROBLEM TO BE SOLVED: To provide a method of efficiently obtaining lactide, and a device therefor.
SOLUTION: The method for producing purified lactide comprising a depolymerization process of depolymerizing a condensation product of lactic acid obtained by subjecting lactic acid to a condensation reaction to obtain gaseous lactide, a condensing process of condensing the gaseous lactide, a purification process of separating the condensed lactide into purified lactide comprising optically active lactide that is either L-lactide or D-lactide and a purification residue other than the purified lactide, an evaporation/separation process of separating the purification residue into lactide and an evaporation/separation residue other than lactide by evaporating the lactide present in the purification residue, is characterized by causing the lactide separated in the evaporation/separation process to condense and reusing the condensed lactide in the purification process. A device therefor is provided.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供有效地获得丙交酯的方法及其装置。解决方案：纯化丙交酯的制造方法，其包括使通过乳酸进行缩合反应得到的乳酸缩合物解聚，得到气态丙交酯的缩聚反应，缩合气态丙交酯的缩合工序，将冷凝的丙交酯分离成包含L-丙交酯或D-丙交酯的光学活性丙交酯和除了纯化的丙交酯之外的纯化残留物的纯化丙交酯，将纯化残留物分离成丙交酯的蒸发/分离过程和其他蒸发/分离残余物通过蒸发纯化残留物中存在的丙交酯，其特征在于在蒸发/分离过程中分离的丙交酯在纯化过程中冷凝并重新使用缩合丙交酯。提供了一种设备。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009114353A Apparatus and method for polymer synthesis 有权
标题翻译：聚合物合成的装置和方法
公开(公告)号：JP2009114353A
公开(公告)日：2009-05-28
申请号：JP2007289664
申请日：2007-11-07
申请人： Hitachi Plant Technologies Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社日立プラントテクノロジー
发明人： KAMIKAWA MASAYUKI , MATSUO TOSHIAKI , OKAMOTO SHIGEYASU , OKA KENICHIRO , YATSUGI TAKASHI , FUJII YASUHIRO , KAWAMOTO TATSUJI
IPC分类号： C08G63/88 , C07B61/00 , C08G63/08 , C08L101/16
CPC分类号： C07D319/12 , B01J19/1862 , B01J19/1887 , B01J19/20 , B01J2219/00009 , B01J2219/00083 , B01J2219/00779 , C08G63/08 , C08G63/78 , C08J11/16 , C08J2367/04 , Y02P20/584 , Y02W30/705
摘要： PROBLEM TO BE SOLVED: To provide a means for producing lactide efficiently, in the production of poly (lactic acid) wherein a lactic acid oligomer is depolymerized, and the resultant lactide is subjected to ring-opening polymerization. SOLUTION: An apparatus for producing the lactide continuously or intermittently is disclosed, which includes a depolymerization unit 11 for depolymerizing the lactic acid oligomer, a catalyst regeneration unit 27 for depolymerizing a residue in the depolymerization unit to reduce a molecular weight of the lactic acid oligomer contained in the residue, and a distillation column 29 for condensing the lactide produced in the gas phase in the depolymerization unit. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：待解决的问题：为了提供一种在乳酸低聚物解聚的聚乳酸的生产中有效生产丙交酯的方法，所得丙交酯进行开环聚合。解决方案：公开了连续或间歇地制备丙交酯的装置，其包括用于解聚乳酸低聚物的解聚单元11，用于解聚解聚单元中残基的催化剂再生单元27以降低残留物中含有的乳酸低聚物和用于使在解聚单元中气相中产生的丙交酯冷凝的蒸馏塔29。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2005314503A Method and apparatus for continuously concentrating/condensing hydroxycarboxylic acid 审中-公开
标题翻译：连续浓缩/缩合羟基羧酸的方法和装置
公开(公告)号：JP2005314503A
公开(公告)日：2005-11-10
申请号：JP2004132396
申请日：2004-04-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： OKAMOTO SHIGEYASU , MATSUO TOSHIAKI , MIZUMOTO MAMORU , MATSUMOTO TAKAYUKI
IPC分类号： C08G63/78 , C08L101/16
摘要： PROBLEM TO BE SOLVED: To achieve a continuous process for continuously synthesizing an oligomer by sufficiently progressing the concentration and condensation of a raw material in the oligomer synthesis using a hydroxy carboxylic acid as the raw material.
SOLUTION: Lactic acid is continuously transported from a lactic acid feeder 1 to a lactic acid-concentrating device 2, and water is evaporated by heating. The concentrated lactic acid is continuously transported to a concentrated lactic acid-condensing device 3, and the condensation reaction is progressed by heating/reduction of pressure. The oligomer is continuously discharged from the concentrated lactic acid-condensing device 3, and transported to to a depolymerization device 4. Steam is condensed and removed by condensation devices 7, 8. The lactic acid-concentrating device 2 and the lactic acid-condensing device 3 are horizontal type polymerizers, and the reaction products flow in the horizontal direction from the inlet side to the outlet side while keeping piston flow properties by the difference of heads. The vapor lactide generated at the depolymerization device 4 is recovered by a lactide-recovering device 6.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：待解决的问题：为了通过使用羟基羧酸作为原料充分进行低聚物合成中的原料的浓缩和缩合，实现连续合成低聚物的连续方法。解决方案：将乳酸从乳酸喂养器1连续输送到乳酸浓缩装置2，通过加热蒸发水分。将浓缩的乳酸连续输送到浓缩乳酸冷凝装置3中，通过加压/减压进行缩合反应。低聚物从浓缩乳酸收缩装置3连续排出，输送到解聚装置4.通过冷凝装置7,8将蒸气冷凝除去。乳酸浓缩装置2和乳酸聚合装置 3是卧式聚合反应器，反应产物从入口侧向出口侧沿水平方向流动，同时通过喷头的差异保持活塞流动特性。在解聚装置4产生的蒸气交酯通过丙交酯回收装置6回收。（C）2006，JPO＆NCIPI

9. 发明专利

JP2005248014A Polymerization method and polymerization apparatus 有权
标题翻译：聚合方法和聚合装置
公开(公告)号：JP2005248014A
公开(公告)日：2005-09-15
申请号：JP2004060399
申请日：2004-03-04
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MIZUMOTO MAMORU , MATSUO TOSHIAKI , MATSUMOTO TAKAYUKI , OKAMOTO SHIGEYASU , KAJIYA TAKASHI
IPC分类号： C08G63/78 , C08G63/08
CPC分类号： B01J19/1856 , B01J19/1812 , B01J19/1862 , B01J2219/00038 , B01J2219/0004
摘要： PROBLEM TO BE SOLVED: To prevent the progress of a local reaction to cause thermal deterioration of a polymer by the heat of reaction due to variations in catalyst and/or polymerization initiator concentration in the ring-opening polymerization of a cyclic dimer of an α-hydroxy carboxylic acid.
SOLUTION: The polymerization method comprises preparing a first mixture by allowing a small amount of a cyclic dimer of an α-hydroxy carboxylic acid to branch off therefrom to mix it with a polymerization catalyst prior to the polymerization of the cyclic dimer of an α-hydroxy carboxylic acid, mixing the first mixture with the major amount of the cyclic dimer led to a polymerization tank, initiating the polymerization of the cyclic dimer in the presence of a polymerization initiator to perform polymerization. Further a polymerization apparatus therefor is provided.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题为了防止局部反应的进行，由于反应热引起聚合物的热劣化，这是由于环状二聚体的开环聚合中的催化剂和/或聚合引发剂浓度的变化引起的 α-羟基羧酸。解决方案：聚合方法包括通过使少量的α-羟基羧酸的环状二聚体从其分支而制备第一混合物，以在聚合催化剂之前将其与聚合催化剂混合，将第一混合物与主要量的环状二聚体混合导致聚合槽，在聚合引发剂的存在下引发环状二聚体的聚合以进行聚合。此外，还提供了一种聚合装置。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2008285680A Apparatus for synthesizing polymer 有权
标题翻译：用于合成聚合物的装置
公开(公告)号：JP2008285680A
公开(公告)日：2008-11-27
申请号：JP2008176417
申请日：2008-07-07
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MATSUO TOSHIAKI , MATSUMOTO TAKAYUKI , OKAMOTO SHIGEYASU
IPC分类号： C08G85/00 , C08F2/01 , C08G63/78
摘要： PROBLEM TO BE SOLVED: To provide an apparatus for synthesizing polymers from a raw material in a molten state by which high quality polymers can be obtained.
SOLUTION: The operation procedure of this synthesizing apparatus is as follows. A lactide fed from a lactide feeding apparatus 1 is heated to be molten in a lactide melting apparatus 2 and to the molten lactide, a catalyst is added in a catalyst feeding apparatus 3. The molten lactide is fed through a lactide feeding apparatus 4 to a horizontal reaction vessel 5 and in the vessel 5, a polymerization reaction of the lactide is progressed by a head pressure difference while the lactide flows. The reaction liquid discharged from the vessel 5 is fed into an upper part of a vertical reaction vessel 6 and flows through the inside thereof by the gravity to thereby progress the polymerization reaction. Thereafter the reaction liquid is transported into a remained lactide removing apparatus 7 to remove unreacted lactide and is discharged out of the apparatus 7.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种从可以获得高质量聚合物的熔融状态的原料合成聚合物的装置。解决方案：该合成装置的操作过程如下。将从丙交酯供给装置1进料的丙交酯在丙交酯熔化装置2中熔融并熔融，在催化剂供给装置3中加入催化剂。将熔融丙交酯通过丙交酯供给装置4供给到水平反应容器5中，并且在容器5中，当丙交酯流动时，丙交酯的聚合反应通过头部压力差进行。将从容器5排出的反应液供给到立式反应容器6的上部，通过重力流过其内部，从而进行聚合反应。然后将反应液输送到残留的丙交酯去除装置7中以除去未反应的丙交酯，并将其排出装置7.版权所有（C）2009，JPO＆INPIT

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