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1. 发明专利

JP2014058476A Method for producing raw material of polyalkylene terephthalate from polyester composition 审中-公开
标题翻译：从聚酯组合物生产聚苯乙烯聚苯乙烯原料的方法
公开(公告)号：JP2014058476A
公开(公告)日：2014-04-03
申请号：JP2012204418
申请日：2012-09-18
申请人： Teijin Ltd , 帝人株式会社
发明人： MORI TAIZO , ISHIHARA KENICHI
IPC分类号： C07C27/02 , C07C29/128 , C07C67/03 , C07C69/82 , C08J11/24
CPC分类号： Y02W30/706
摘要： PROBLEM TO BE SOLVED: To provide a method for producing, safely and in high yields, raw material components constituting a polymer, such as bis-hydroxy terephthalate, terephthalic acid and dimethyl terephthalate, from polyester waste which includes mainly polyalkylene terephthalate and contains polyurethane.SOLUTION: The method for producing a raw material of polyalkylene terephthalate from a polyester composition including mainly polyalkylene terephthalate and containing polyurethane comprises subjecting the polyester composition to the following steps (a) and (b) in sequence: step (a) of subjecting the polyester composition, alkylene glycol and/or a depolymerized product of the polyester composition to a depolymerization reaction at a temperature of 170-280°C to obtain a depolymerization reaction liquid; and step (b) of separating a solid material from the depolymerization reaction liquid obtained in the step (a). In the step (b), the sum of concentrations of isocyanate groups and amino groups in a liquid component stuck to the separated solid material is controlled to 1,000 ppm or lower.
摘要翻译：要解决的问题：提供一种从主要包含聚对苯二甲酸亚烷基酯并含有聚氨酯的聚酯废料中提供构成聚合物如双羟基对苯二甲酸酯，对苯二甲酸和对苯二甲酸二甲酯的聚合物的原料组分的安全和高产率的方法。解决方案：由主要包括聚对苯二甲酸亚烷基酯和含有聚氨酯的聚酯组合物制备聚对苯二甲酸亚烷基酯原料的方法包括按照以下顺序对聚酯组合物进行以下步骤（a）和（b）：步骤（a）组合物，亚烷基二醇和/或聚酯组合物的解聚产物在170-280℃的温度下进行解聚反应，得到解聚反应液; 和步骤（b）从步骤（a）中得到的解聚反应液中分离出固体物质。在步骤（b）中，将粘附在分离的固体材料上的液体组分中的异氰酸酯基和氨基的浓度之和控制在1000ppm以下。

2. 发明专利

JP2011178684A Method for producing terephthalic acid 审中-公开
标题翻译：生产过硫酸的方法
公开(公告)号：JP2011178684A
公开(公告)日：2011-09-15
申请号：JP2010042307
申请日：2010-02-26
申请人： Teijin Ltd , 帝人株式会社
发明人： YAMAMOTO YUKIHARU , ISHIHARA KENICHI , MORI TAIZO
IPC分类号： C07C51/09 , C07C63/26
摘要： PROBLEM TO BE SOLVED: To provide a method for producing terephthalic acid in high production efficiency, which inhibits foaming of a reaction liquid containing DMT, MMT and terephthalic acid and sublimation of DMT in a hydrolysis reaction tank, prevents clogging in a vent line in a method for producing terephthalic acid from DMT by hydrolysis.
SOLUTION: In the method for producing terephthalic acid by hydrolyzing dimethyl terephthalate in a hydrolysis reaction tank, a gas containing methanol generated from the hydrolysis reaction tank is removed by piping connected to a part above the reaction liquid level of the hydrolysis reaction tank and pure water in an amount of ≥1 pt.wt. based on 10 pts.wt. of dimethyl terephthalate supplied to the hydrolysis reaction tank or water containing impurities equal to or lower than solubility at a hydrolysis reaction temperature is supplied from a part above the reaction liquid level of the hydrolysis reaction tank to the hydrolysis reaction tank.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决问题的方案：提供一种生产效率高的对苯二甲酸生产方法，其抑制了在水解反应槽中含有DMT，MMT和对苯二甲酸的反应液的发泡和DMT升华的方法，防止通气孔堵塞在通过水解由DMT生产对苯二甲酸的方法中。解决方案：在水解反应槽中通过水解对苯二甲酸二甲酯制造对苯二甲酸的方法中，通过与水解反应槽的反应液面以上的部分连接的管道除去由水解反应槽生成的含甲醇的气体纯水为≥1pt.wt。基于10重量的供给到水解反应槽的对苯二甲酸二甲酯或者在水解反应温度下含有等于或低于溶解度的杂质的水从水解反应槽的反应液面以上的部分供给水解反应槽。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2011168501A Aromatic carboxylic ester compound 审中-公开
标题翻译：芳香羧酸酯化合物
公开(公告)号：JP2011168501A
公开(公告)日：2011-09-01
申请号：JP2010031153
申请日：2010-02-16
申请人： Teijin Ltd , 帝人株式会社
发明人： SATO YOSHIHIRO , ISHIHARA KENICHI
IPC分类号： C07C69/82 , C07C67/03 , C07C67/08 , C07C69/76
摘要： PROBLEM TO BE SOLVED: To provide an aromatic carboxylic ester compound that is derived from biomass, can prevent fossil resources from running out and carbon dioxide, i.e. a greenhouse gas from increasing, and can be used as a raw material of a resin instead of a conventional raw material derived from fossil resources, and a method for producing the same. SOLUTION: An aromatic carboxylic ester compound (such as dimethyl terephthalate and 2,6-dimethyl naphthalenedicarboxylate) having a 14 C content of 50.0 pMC (percent Modern Carbon) or higher with respect to the modern reference standard is synthesized from a raw material derived from biomass (such as paracymene and ortho-xylene). COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供从生物质得到的芳族羧酸酯化合物，可以防止化石资源流出，二氧化碳即温室气体的增加，可以用作树脂的原料而不是衍生自化石资源的常规原料及其制备方法。解决方案：相对于现代的，具有50.0pMC（％现代碳）的更高的芳香族羧酸酯化合物（例如对苯二甲酸二甲酯和2,6-二甲基萘二羧酸酯）参考标准由衍生自生物质的原料（如对甲苯和邻二甲苯）合成。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2012140344A Method for producing metal salt of 6,6'-(ethylenedioxy)di-2-naphthoic acid 有权
标题翻译：生产6,6' - （乙烯二氧基）二-2-萘酸的金属盐的方法
公开(公告)号：JP2012140344A
公开(公告)日：2012-07-26
申请号：JP2010292554
申请日：2010-12-28
申请人： Teijin Ltd , 帝人株式会社
发明人： AOYAMA KYOKO , MORI TAIZO , ISHIHARA KENICHI
IPC分类号： C07C51/41 , C07C51/43 , C07C51/47 , C07C65/24
摘要： PROBLEM TO BE SOLVED: To provide a method for recovering the metal salt of 6,6'-(ethylenedioxy)di-2-naphthoic acid from an aromatic polyester waste including a 6,6'-(ethylenedioxy)di-2-naphthoic acid component.SOLUTION: The polyester contains 100-1 mol% of the 6,6'-(ethylenedioxy)di-2-naphthoic acid component represented by formula (1), 0-99 mol% of the other dicarboxylic acid components, and alkylene glycol components. The method for recovering the metal salt of 6,6'-(ethylenedioxy)di-2-naphthoic acid sequentially includes: a process (a) of reacting the polyester with at least one metal compound selected from the group consisting of alkali (earth) metal hydroxides and alkali (earth) metal carbonates in the coexistence of water or glycol; and a process (b) of recovering the metal salt of 6,6'-(ethylenedioxy)di-2-naphthoic acid from a reaction product obtained by the process (a).
摘要翻译：待解决的问题：提供一种从包含6,6' - （亚乙二氧基）二 - 二甲苯的芳族聚酯废物中回收6,6' - （亚乙二氧基）二-2-萘甲酸的金属盐的方法 - 萘甲酸成分。解决方案：聚酯含有100-1mol％的由式（1）表示的6,6' - （亚乙二氧基）二-2-萘甲酸组分，0-99mol％的其它二羧酸组分，和亚烷基二醇组分。回收6,6' - （亚乙二氧基）二-2-萘甲酸的金属盐的方法依次包括：使聚酯与至少一种金属化合物反应的方法（a），所述金属化合物选自碱金属（earth）金属氢氧化物和碱（碳）金属碳酸盐共存于水或乙二醇; 和从（a）工序得到的反应产物中回收6,6' - （亚乙二氧基）二-2-萘甲酸的金属盐的方法（b）。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2012116912A Method for producing polyester monomer from polyester 审中-公开
标题翻译：从聚酯制造聚酯单体的方法
公开(公告)号：JP2012116912A
公开(公告)日：2012-06-21
申请号：JP2010266539
申请日：2010-11-30
申请人： Teijin Ltd , 帝人株式会社
发明人： MORI TAIZO , ISHIHARA KENICHI
IPC分类号： C08J11/24 , C08G63/89
CPC分类号： Y02W30/706
摘要： PROBLEM TO BE SOLVED: To stably produce a monomer composing polyester from polyester essentially consisting of polyethylene terephthalate at a high yield and a low energy load.SOLUTION: In the method for producing a monomer composing polyethylene terephthalate (PET) from polyester comprising PET, the fact that the purpose can be achieved by a method for producing a monomer composing PET with polyester as raw material characterized by feeding polyester to the following steps (a) to (d) has been found: a step (a) of reacting a substance obtained by depolymerizing the polyester by polyhydric alcohol with monohydric alcohol or reacting the polyester with monohydric alcohol; a step (b) of subjecting the reaction product in the step (a) to solid-liquid separation; a sage (c) of holding a liquid component after the solid-liquid separation in the step (b) and precipitating a recovered component; and a step (d) of subjecting slurry in which a solid component is precipitated in the step (c) to solid-liquid separation.
摘要翻译：解决的问题：为了稳定地制造由聚对苯二甲酸乙二酯基本上由高收率和低能量负荷组成的聚酯构成聚酯的单体。＆lt; P＆gt;解决方案：在由包含PET的聚酯制成聚对苯二甲酸乙二醇酯（PET）的单体的方法中，可以通过以聚酯为原料制备作为原料的PET的单体的制造方法来实现目的，已经发现以下步骤（a）至（d）：使通过多元醇将聚酯解聚得到的物质与一元醇反应或使聚酯与一元醇反应的步骤（a）步骤（b）使步骤（a）中的反应产物进行固液分离; （c）在步骤（b）中固液分离后保持液体组分并沉淀回收的组分; 以及将步骤（c）中固体成分沉淀的浆料进行固液分离的步骤（d）。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2011168502A Aromatic carboxylic acid compound 审中-公开
标题翻译：芳香羧酸化合物
公开(公告)号：JP2011168502A
公开(公告)日：2011-09-01
申请号：JP2010031154
申请日：2010-02-16
申请人： Teijin Ltd , 帝人株式会社
发明人： SATO YOSHIHIRO , ISHIHARA KENICHI
IPC分类号： C07C63/26 , C07B61/00 , C07C51/265 , C07C63/16 , C07C63/38
摘要： PROBLEM TO BE SOLVED: To provide an aromatic carboxylic acid compound that is derived from biomass, can reduce the consumption of fossil resources, and can contribute to a low-carbon society. SOLUTION: The aromatic carboxylic acid compound is characterized by having a 14 C content therein of 50.0 pMC (percent Modern Carbon) or higher with respect to the modern reference standard. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供源自生物质的芳族羧酸化合物，可以减少化石资源的消耗，有助于低碳社会。解决方案：芳族羧酸化合物的特征在于其中相对于现代参考标准具有50.0pMC（现代碳含量百分比）或更高）的 14 C含量。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2011137081A Recycling method of polyester product with which phosphorus-based flame retardant is copolymerized 审中-公开
标题翻译：基于磷基阻燃剂的聚酯产品的回收方法共聚
公开(公告)号：JP2011137081A
公开(公告)日：2011-07-14
申请号：JP2009297720
申请日：2009-12-28
申请人： Teijin Ltd , 帝人株式会社
发明人： HARADA ATSUSHI , ISHIHARA KENICHI , MORI TAIZO
IPC分类号： C08J11/16 , C07B61/00 , C07C27/00 , C07C31/20 , C07C69/82 , C08G63/127 , C08J11/24
CPC分类号： Y02W30/705 , Y02W30/706
摘要： PROBLEM TO BE SOLVED: To establish a method for recovering dimethyl terephthalate and ethylene glycol, useful components in polyester production, while the amount of phosphorus element contained therein is low, from a polyethylene terephthalate product with which a phosphorus-based flame retardant is copolymerized. SOLUTION: A method for producing dimethyl terephthalate and alkylene glycol from a polyester product including polyalkylene terephthalate with which a phosphorus-based flame retardant is copolymerized controls the concentration of phosphorus element in a depolymerization liquid obtained in a depolymerization process, after experiencing the depolymerization process, a transesterification reaction process, and a useful component recovery process, to be 370 ppm or less. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了建立一种回收对苯二甲酸二甲酯和乙二醇的方法，聚酯生产中的有用成分，其中含有的磷元素的含量低于磷系阻燃剂的聚对苯二甲酸乙二醇酯产品共聚。解决方案：从包含聚对苯二甲酸亚烷基酯的聚对苯二甲酸亚烷基酯生产对苯二甲酸二甲酯和亚烷基二醇的方法，其中与磷基阻燃剂共聚，控制在解聚过程中获得的解聚液中的磷元素的浓度，解聚过程，酯交换反应过程和有用的组分回收方法为370ppm以下。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2012224557A Method for producing amine compound 审中-公开
标题翻译：生产氨化合物的方法
公开(公告)号：JP2012224557A
公开(公告)日：2012-11-15
申请号：JP2011091132
申请日：2011-04-15
申请人： Teijin Ltd , 帝人株式会社
发明人： SATO YOSHIHIRO , ISHIHARA KENICHI
IPC分类号： C07C209/56 , C07C211/06 , C07C211/51
摘要： PROBLEM TO BE SOLVED: To provide a method for producing an amine compound in a good yield from a hydroxamic acid metal salt.SOLUTION: In the method for producing the amine compound, Lossen rearrangement is performed by heating and making a hydroxamic acid metal salt react in the mixed solvent of a nitrile compound and water preferably in the atmosphere of an inert gas as shown by chemical reaction formula (A). For a mixing ratio in volume of the nitrile compound and water, a relation (nitrile compound):water=5:1-1:5 is preferable. [In formula: R represents an alkyl group, a cycloalkyl group, or an aryl group; M represents an alkali metal or an alkaline earth metal; when M is an alkali metal, n represents 1, and when M is an alkaline earth metal, n represents 2].
摘要翻译：待解决的问题：提供从异羟肟酸金属盐以良好的产率制备胺化合物的方法。解决方案：在制备胺化合物的方法中，通过加热并使异羟肟酸金属盐在腈化合物和水的混合溶剂中反应，优选在惰性气体的气氛中反应失活重排，如化学品反应式（A）。对于腈化合物和水的体积的混合比，优选关系式（腈化合物）：水= 5:1-1:5。 [式中，R表示烷基，环烷基或芳基; M表示碱金属或碱土金属; 当M是碱金属时，n表示1，当M是碱土金属时，n表示2]。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2012184189A Method for producing active ingredient from polyester 审中-公开
标题翻译：从聚酯生产活性成分的方法
公开(公告)号：JP2012184189A
公开(公告)日：2012-09-27
申请号：JP2011047564
申请日：2011-03-04
申请人： Teijin Ltd , 帝人株式会社
发明人： MORI TAIZO , ISHIHARA KENICHI , AOYAMA KYOKO
IPC分类号： C07C27/02 , C07C51/02 , C07C51/09 , C07C51/43 , C07C65/24
摘要： PROBLEM TO BE SOLVED: To provide a method for stably recovering in a high yield 6,6'-(ethylenedioxy)di-2-naphthoic acid from a polyester composition including as principal components the acid and other dicarboxylic acid components.SOLUTION: A polyester composition including as principal components 6,6'-(ethylenedioxy)di-2-naphthoic acid represented by formula (1) and other dicarboxylic acid components is sequentially fed to the following steps (a) to (c) to recover the acid; step (a): a reaction step in which the polyester composition is reacted with an alkali metal hydroxide or the like under coexistence of a solvent having a solubility parameter (SP value) of ≥11, step (b): a step of obtaining the metal salt of 6,6'-(ethylenedioxy)di-2-naphthoic acid from a reaction product formed in step (a), and step (c): a step of obtaining 6,6'-(ethylenedioxy)di-2-naphthoic acid by reacting the metal salt of 6,6'-(ethylenedioxy)di-2-naphthoic acid obtained in step (b) with an acid.
摘要翻译：待解决的问题：提供一种从含有酸和其它二羧酸成分作为主要成分的聚酯组合物稳定地回收高产率6,6' - （亚乙二氧基）二-2-萘甲酸的方法。解决方案：将由式（1）表示的主要组分6,6' - （亚乙二氧基）二-2-萘甲酸和其它二羧酸组分的聚酯组合物顺序加入到以下步骤（a）至（c ）回收酸; 步骤（a）：在溶解度参数（SP值）≥11的溶剂共存下使聚酯组合物与碱金属氢氧化物等反应的反应工序，步骤（b）：获得由步骤（a）中形成的反应产物的6,6' - （亚乙二氧基）二-2-萘甲酸的金属盐和步骤（c）：获得6,6' - （亚乙二氧基）通过使步骤（b）中获得的6,6' - （亚乙二氧基）二-2-萘甲酸的金属盐与酸反应，得到萘甲酸。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2012184188A Method for producing active ingredient from polyester 审中-公开
标题翻译：从聚酯生产活性成分的方法
公开(公告)号：JP2012184188A
公开(公告)日：2012-09-27
申请号：JP2011047563
申请日：2011-03-04
申请人： Teijin Ltd , 帝人株式会社
发明人： MORI TAIZO , ISHIHARA KENICHI , AOYAMA KYOKO
IPC分类号： C07C51/47 , C07C65/24
摘要： PROBLEM TO BE SOLVED: To provide a method for stably producing in a high yield a metal salt of 6,6'-(ethylenedioxy)di-2-naphthoic acid from a polyester composition.SOLUTION: The method for producing a metal salt of 6,6'-(ethylenedioxy)di-2-naphthoic acid is characterized in that when the metal salt of 6,6'-(ethylenedioxy)di-2-naphthoic acid is produced from a polyester composition including as principal components 6,6'-(ethylenedioxy)di-2-naphthoic acid represented by formula (1) and other dicarboxylic acid components, the polyester composition is sequentially fed to the following steps (a) and (b); step (a): a reaction step in which the polyester composition is reacted with an alkali metal hydroxide or the like under coexistence of a solvent having a solubility parameter (SP value) of ≥11, and step (b): a step of obtaining the metal salt of 6,6'-(ethylenedioxy)di-2-naphthoic acid from a reaction product formed in step (a).
摘要翻译：待解决的问题：提供从聚酯组合物中高稳定地制备6,6' - （亚乙二氧基）二-2-萘甲酸的金属盐的方法。解决方案：制备6,6' - （亚乙二氧基）二-2-萘甲酸的金属盐的方法的特征在于当6,6' - （亚乙二氧基）二-2-萘甲酸的金属盐由包含由式（1）表示的主要组分6,6' - （亚乙二氧基）二-2-萘甲酸和其它二羧酸组分的聚酯组合物制备，将聚酯组合物顺序加入到以下步骤（a）和（b）; 步骤（a）：使聚酯组合物与溶解度参数（SP值）≥11的溶剂共存的碱金属氢氧化物等与步骤（b）反应的反应步骤：获得来自步骤（a）中形成的反应产物的6,6' - （亚乙二氧基）二-2-萘甲酸的金属盐。版权所有（C）2012，JPO＆INPIT

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