公开(公告)号：US20150087034A1

公开(公告)日：2015-03-26

申请号：US14560800

申请日：2014-12-04

Applicant: MITSUBISHI CHEMICAL CORPORATION ,  GENOMATICA, INC.

Inventor： Masaru UTSUNOMIYA ,  Yusuke IZAWA ,  Norikazu KONISHI ,  Shinichiro MATSUZONO ,  Takayuki SUZUKI ,  Michael JAPS ,  Mark BURK ,  Warren CLARK

IPC: C08G63/80 ,  C12P7/18

CPC classification number: C08G63/80 ,  C08G63/183 ,  C08G63/78 ,  C12N9/0006 ,  C12N9/0008 ,  C12N9/93 ,  C12P7/18 ,  C12Y101/01061 ,  C12Y102/01024 ,  C12Y102/04002 ,  C12Y602/01004 ,  Y02P20/52

Abstract: The present invention aims to provide a method for producing polybutylene terephthalate (PBT) with an excellent color using biomass-derived 1,4-butanediol (BG). The invention relates to a method for producing PBT comprising a step of subjecting a diol component containing raw material 1,4-BG having a nitrogen content of 0.01 to 50 ppm by mass and a dicarboxylic acid component to esterification or ester-exchange reaction, and a polycondensation reaction step for obtaining PBT from the reactant, wherein the content of gamma butyrolactone in the raw material 1,4-BG is 1 to 100 ppm by mass.

Abstract translation: 本发明的目的在于提供使用生物质衍生的1,4-丁二醇（BG）制造具有优异颜色的聚对苯二甲酸丁二醇酯（PBT）的方法。 本发明涉及一种制备PBT的方法，包括将含有0.01〜50质量ppm的氮含量的原料1,4-BG的二醇成分和二羧酸成分进行酯化或酯交换反应的工序，以及 用于从反应物中获得PBT的缩聚反应步骤，其中原料1,4-BG中的γ-丁内酯的含量为1〜100质量ppm。

公开(公告)号：US20150087789A1

公开(公告)日：2015-03-26

申请号：US14560830

申请日：2014-12-04

Applicant: MITSUBISHI CHEMICAL CORPORATION ,  GENOMATICA, INC.

Inventor： Masaru UTSUNOMIYA ,  Yusuke IZAWA ,  Norikazu KONISHI ,  Kota TANAKA ,  Shinichiro MATSUZONO ,  Takayuki SUZUKI ,  Michael JAPS ,  Mark BURK ,  Warren CLARK

IPC: C08G18/42 ,  C08G63/183

CPC classification number: C08G18/4213 ,  C08G18/42 ,  C08G18/4238 ,  C08G18/664 ,  C08G63/16 ,  C08G63/183 ,  C12P7/18

Abstract: At the time of producing a polyester by using a dicarboxylic acid component and a biomass-resource-derived diol as raw materials, a polyester is efficiently produced with good color tone, as the raw material diol derived from biomass resources, a diol in which the content of a cyclic carbonyl compound having a carbon atom number of 5 or 6 is from 0.01 to 12 ppm by mass, is used, and by controlling the content of a cyclic carbonyl compound having a carbon atom number of 5 or 6 in the raw material diol to fall in a prescribed range, the color tone of the polyester is improved.

Abstract translation: 通过使用二羧酸成分和生物质源二醇作为原料制造聚酯时，可以有效地生产具有良好色调的聚酯作为源自生物质资源的原料二醇，其中， 使用碳原子数为5或6的环状羰基化合物的含量为0.01〜12质量ppm，通过控制原料中碳原子数为5或6的环状羰基化合物的含量 二醇落在规定范围内，聚酯的色调提高。

公开(公告)号：US20150087038A1

公开(公告)日：2015-03-26

申请号：US14560714

申请日：2014-12-04

Applicant: MITSUBISHI CHEMICAL CORPORATION ,  GENOMATICA, INC.

Inventor： Masaru UTSUNOMIYA ,  Yusuke IZAWA ,  Norikazu KONISHI ,  Kota TANAKA ,  Shinichiro MATSUZONO ,  Takayuki SUZUKI ,  Michael JAPS ,  Mark BURK ,  Warren CLARK

IPC: C07C29/84 ,  C12P7/18

CPC classification number: C07C29/84 ,  B01D3/002 ,  B01D3/143 ,  C07C29/80 ,  C12P7/18 ,  C07C31/207

Abstract: An object of the present invention is to provide high-quality 1,4BG capable of working out to a raw material of PBT with good color tone, by efficiently removing and refining impurities mixed when producing a biomass-derived 1,4BG on an industrial scale and the present invention relates to a production method of refined 1,4BG, where a crude 1,4BG-containing solution is obtained from refined raw material 1,4BG obtained by removing bacterial cells, salt contents and water from the fermentation culture medium, through a step of removing high-boiling-point components and/or low-boiling-point components by distillation and/or a step of converting an unsaturated compound to a hydride and the target product is obtained as a side stream in a further distillation step.

Abstract translation: 本发明的目的是提供一种能够通过在工业规模生产生物质衍生的1,4BG时有效地除去和精制混合的杂质来提供具有良好色调的PBT原料的高质量的1,4BG 本发明涉及精制的1,4BG的制造方法，其中，通过从发酵培养基中除去细菌细胞，盐含量和水，通过从精制原料1,4BG获得粗制的含1,4BG的溶液，通过 通过蒸馏除去高沸点组分和/或低沸点组分的步骤和/或将不饱和化合物转化为氢化物的步骤，并在另外的蒸馏步骤中作为副产物获得目标产物。

公开(公告)号：US20180009774A1

公开(公告)日：2018-01-11

申请号：US15712844

申请日：2017-09-22

Applicant: Mitsubishi Chemical Corporation

Inventor： Yusuke IZAWA ,  Hideto Tsuji ,  Yosuke Suzuki

IPC: C07D307/36 ,  C07D307/48 ,  B01J23/58

CPC classification number: C07D307/36 ,  B01J23/58 ,  C07B61/00 ,  C07D307/48

Abstract: The present invention is aimed to provide an industrially advantageous method for producing a furan compound, in which a furan compound can be efficiently obtained in a high selectivity from a furfural compound. The present invention is concerned with a method for producing a furan compound including feeding, as a raw material, a furfural composition containing a furfural compound into a reactor and subjecting to a decarbonylation reaction in the presence of a catalyst to obtain a furan compound as a product, wherein a furfural dimer concentration in the furfural composition is 1,000 ppm by weight or less, and a peroxide value in the furfural composition is 0.01 mEq/kg or more and 1.0 mEq/kg or less.

公开(公告)号：US20170073466A1

公开(公告)日：2017-03-16

申请号：US15359071

申请日：2016-11-22

Applicant: MITSUBISHI CHEMICAL CORPORATION

Inventor： Kazunao KUSANO ,  Kazuki WAKABAYASHI ,  Yoko NAKAGAWA ,  Yusuke IZAWA ,  Yoshikazu KANAMORI

IPC: C08G64/30 ,  C08G18/44 ,  D01F6/70 ,  C09J175/06 ,  D06N3/14 ,  C08G64/02 ,  C09D175/06

Abstract: The present invention relates to a method for producing a polycarbonate diol, comprising subjecting a compound represented by the following formula (A) containing from 0.01 to 1.0 wt % of an aldehyde derivative, a compound represented by the following formula (B), and a carbonate compound to polycondensation by a transesterification reaction in the presence of a catalyst to produce a polycarbonate diol having a number average molecular weight of 250 to 5,000: HO—(CH2)10—OH  (A) HO—R1—OH  (B) wherein in the formula (B), R1 represents a substituted or unsubstituted divalent alkylene group having a carbon number of 3 to 20, wherein the compound of the formula (A) is not included by the formula (B).

Abstract translation: 式（B）中，R 1表示碳数为3〜20的取代或未取代的二价亚烷基，式（A）的化合物不包括在式（B）中。

公开(公告)号：US20220081506A1

公开(公告)日：2022-03-17

申请号：US17456022

申请日：2021-11-22

Applicant: Mitsubishi Chemical Corporation

Inventor： Yusuke IZAWA ,  Ryo YAMASHITA ,  Mitsuharu KOBAYASHI ,  Kazunao KUSANO ,  Shohei TANIGUCHI

IPC: C08G18/44 ,  C08G65/20 ,  C08G65/26 ,  C08G18/10 ,  C08G18/48 ,  C08G18/32 ,  C08G18/08

Abstract: Provided is a polyether polycarbonate diol, wherein the ratio of the total number of terminal alkoxy groups and terminal aryloxy groups to the total number of all terminal groups is 0.20% or more and 7.5% or less. Controlling the ratio of the total number of terminal alkoxy groups and terminal aryloxy groups to the total number of all terminal groups included in the polyether polycarbonate diol to fall within the preferable range enables a polyurethane having an intended molecular weight to be produced while the occurrence of rapid polymerization reaction is reduced.

公开(公告)号：US20160264500A1

公开(公告)日：2016-09-15

申请号：US15157639

申请日：2016-05-18

Applicant: MITSUBISHI CHEMICAL CORPORATION

Inventor： Yusuke IZAWA ,  Masaru UTSUNOMIYA ,  Norikazu KONISHI ,  Kouta TANAKA ,  Takayuki SUZUKI ,  Shinichirou MATSUZONO

IPC: C07C29/94 ,  C08G63/183 ,  C08G63/78 ,  C07D307/08

CPC classification number: C07C29/94 ,  C07D307/08 ,  C08G63/183 ,  C08G63/78 ,  C08K5/20 ,  C07C31/207

Abstract: A 1,4-butanediol-containing composition having high thermal stability as compared with conventional 1,4BG, and a 1,4-butanediol-containing composition having a concentration of 1,4-butanediol of 99.00% by weight or more and not more than 99.99% by weight and containing an amide compound in a concentration, as converted into a nitrogen atom, of from 1.0 to 25 ppm by weight.

Abstract translation: 与常规1,4BG相比，具有高热稳定性的1,4-丁二醇的组合物和1,4-丁二醇浓度为99.00重量％以上且不大于1,4-丁二醇的组合物 比例为99.99重量％，含有浓度为1.0〜25重量ppm的氮原子浓度的酰胺化合物。

公开(公告)号：US20220056208A1

公开(公告)日：2022-02-24

申请号：US17453190

申请日：2021-11-02

Applicant: Mitsubishi Chemical Corporation

Inventor： Ryo YAMASHITA ,  Yusuke IZAWA ,  Masaru UTSUNOMIYA

IPC: C08G65/26 ,  C08G65/20 ,  C08G65/30

Abstract: A polyalkylene ether glycol composition containing a nitrogen-containing compound, wherein the nitrogen-containing compound constitutes 0.2 to 40 mass ppm of the polyalkylene ether glycol in terms of nitrogen atoms. A method for producing the polyalkylene ether glycol composition through a purification step of decreasing the amount of acetal in the polyalkylene ether glycol composition.

公开(公告)号：US20160297786A1

公开(公告)日：2016-10-13

申请号：US15190244

申请日：2016-06-23

Applicant: MITSUBISHI CHEMICAL CORPORATION

Inventor： Yusuke IZAWA ,  Masaru Utsunomiya ,  Norikazu Konishi ,  Kouta Tanaka

IPC: C07D307/20 ,  C07C29/17 ,  C07C45/62 ,  C07C45/86 ,  B01J35/02 ,  B01J21/08 ,  B01J23/755 ,  B01J23/44 ,  B01J35/00 ,  C07C29/94 ,  B01J23/86

CPC classification number: C07D307/20 ,  B01J21/08 ,  B01J23/44 ,  B01J23/755 ,  B01J23/866 ,  B01J35/0006 ,  B01J35/02 ,  C07C29/172 ,  C07C29/94 ,  C07C45/62 ,  C07C45/86 ,  C07C31/207

Abstract: The present invention relates to a method for producing a hydride having a carbon number of 4, comprising contacting, in liquid phase, an unsaturated compound having a carbon number of 4 as a raw material with a solid catalyst obtained by loading a metal element belonging to Groups 9 to 11 of the long periodic table on a support, thereby performing hydrogenation to produce a corresponding hydride having a carbon number of 4, wherein hydrogenation is performed in the presence of, as a solvent, a 1,4-butanediol having a nitrogen component concentration of 1 ppm by weight to 1 wt % in terms of nitrogen atom.

Abstract translation: 本发明涉及碳原子数为4的氢化物的制造方法，其特征在于，以液相方式使碳原子数为4的不饱和化合物作为原料与通过将金属元素 在支撑体上的长周期表的第9至11组，由此进行氢化以产生碳数为4的相应的氢化物，其中氢化在作为溶剂存在下具有氮的1,4-丁二醇 组分浓度为1重量ppm至1重量％，以氮原子计。

公开(公告)号：US20140179935A1

公开(公告)日：2014-06-26

申请号：US14147932

申请日：2014-01-06

Applicant: MITSUBISHI CHEMICAL CORPORATION

Inventor： Yusuke IZAWA ,  Masaru UTSUNOMIYA ,  Norikazu KONISHI ,  Kouta TANAKA

IPC: C07D307/08

CPC classification number: C07D307/08 ,  B01D3/002 ,  B01D3/009

Abstract: The present invention is concerned with a method for producing tetrahydrofuran including carrying out a dehydration cyclization reaction of 1,4-butanediol in the presence of an acid catalyst having a pKa value of not more than 4 within a reactor, wherein a raw material liquid containing 1,4-butanediol to be provided for the reaction contains from 0.01 to 0.35% by weight of 2-(4-hydroxybutoxy)-tetrahydrofuran and 1 ppm by weight or more and not more than 1,000 ppm by weight of at least one of an amine and an amide in terms of a concentration as converted into a nitrogen atom.

Abstract translation: 本发明涉及一种生产四氢呋喃的方法，包括在反应器内在pKa值不大于4的酸催化剂存在下进行1,4-丁二醇的脱水环化反应，其中含有 为反应提供的1,4-丁二醇含有0.01至0.35重量％的2-（4-羟基丁氧基） - 四氢呋喃和1重量ppm以上且不大于1,000重量ppm的至少一种 胺和酰胺换算为氮原子的浓度。