公开(公告)号：US07718835B2

公开(公告)日：2010-05-18

申请号：US11706404

申请日：2007-02-15

申请人： Hyun-Soo Kim ,  Young-Gyo Choi ,  Ik-Hyun Kwon

发明人： Hyun-Soo Kim ,  Young-Gyo Choi ,  Ik-Hyun Kwon

IPC分类号： C07C5/367 ,  B01J23/40

CPC分类号： B01J23/62 ,  B01J23/626 ,  B01J37/0205 ,  B01J37/0207 ,  C07C5/417 ,  C07C2521/04 ,  C07C2521/08 ,  C07C2521/12 ,  C07C2523/04 ,  C07C2523/06 ,  C07C2523/62 ,  C07C2527/138 ,  C07C2529/04 ,  C07C15/24

摘要： Disclosed herein is a process of producing high purity and high yield dimethylnaphthalene by dehydrogenating a dimethyltetralin isomer using a metal catalyst for dehydrogenation. The metal catalyst contains a carrier selected from alumina (Al2O3), silica (SiO2), a silica-alumina mixture and zeolite. The metal catalyst also contains 0.05 to 2.5% by weight of platinum (Pt), 0.1 to 3.0% by weight of tin (Sn) or indium (In), 0.5 to 15.0% by weight of at least one selected from the group consisting of potassium (K), magnesium (Mg) and cesium (Cs), 0.3 to 3.0% by weight of chlorine, and 0.01 to 3.0 % by weight of zinc (Zn) or gallium (Ga) as active components based on an element weight of the final catalyst.

摘要翻译： 本文公开了通过使用用于脱氢的金属催化剂使二甲基四氢萘异构体脱氢来生产高纯度和高收率的二甲基萘的方法。 金属催化剂含有选自氧化铝（Al 2 O 3），二氧化硅（SiO 2），二氧化硅 - 氧化铝混合物和沸石的载体。 金属催化剂还含有0.05〜2.5重量％的铂（Pt），0.1〜3.0重量％的锡（Sn）或铟（In），0.5〜15.0重量％的选自以下的至少一种： 钾（K），镁（Mg）和铯（Cs），0.3〜3.0重量％的氯和0.01〜3.0重量％的作为活性成分的锌（Zn）或镓（Ga） 最终催化剂。

公开(公告)号：US20080051618A1

公开(公告)日：2008-02-28

申请号：US11706404

申请日：2007-02-15

申请人： Hyun-Soo Kim ,  Young-Gyo Choi ,  Ik-Hyun Kwon

发明人： Hyun-Soo Kim ,  Young-Gyo Choi ,  Ik-Hyun Kwon

IPC分类号： C07C5/32

CPC分类号： B01J23/62 ,  B01J23/626 ,  B01J37/0205 ,  B01J37/0207 ,  C07C5/417 ,  C07C2521/04 ,  C07C2521/08 ,  C07C2521/12 ,  C07C2523/04 ,  C07C2523/06 ,  C07C2523/62 ,  C07C2527/138 ,  C07C2529/04 ,  C07C15/24

摘要： Disclosed herein is a process of producing high purity and high yield dimethylnaphthalene by dehydrogenating a dimethyltetralin isomer using a metal catalyst for dehydrogenation. The metal catalyst contains a carrier selected from alumina (Al2O3), silica (SiO2), a silica-alumina mixture and zeolite. The metal catalyst also contains 0.05 to 2.5% by weight of platinum (Pt), 0.1 to 3.0% by weight of tin (Sn) or indium (In), 0.5 to 15.0% by weight of at least one selected from the group consisting of potassium (K), magnesium (Mg) and cesium (Cs), 0.3 to 3.0% by weight of chlorine, and 0.01 to 3.0 % by weight of zinc (Zn) or gallium (Ga) as active components based on an element weight of the final catalyst.

摘要翻译： 本文公开了通过使用用于脱氢的金属催化剂使二甲基四氢萘异构体脱氢来生产高纯度和高收率的二甲基萘的方法。 金属催化剂含有选自氧化铝（Al 2 O 3 O 3），二氧化硅（SiO 2/2），二氧化硅 - 氧化铝混合物和沸石 。 金属催化剂还含有0.05〜2.5重量％的铂（Pt），0.1〜3.0重量％的锡（Sn）或铟（In），0.5〜15.0重量％的选自以下的至少一种： 钾（K），镁（Mg）和铯（Cs），0.3〜3.0重量％的氯和0.01〜3.0重量％的作为活性成分的锌（Zn）或镓（Ga） 最终催化剂。

公开(公告)号：US07396457B2

公开(公告)日：2008-07-08

申请号：US11475099

申请日：2006-06-27

申请人： Ik-Hyun Kwon ,  Young-Gyo Choi ,  Byung-Jun Song ,  Jong-Cheul Ji

发明人： Ik-Hyun Kwon ,  Young-Gyo Choi ,  Byung-Jun Song ,  Jong-Cheul Ji

IPC分类号： B01D9/00 ,  B01D69/10 ,  C07C7/14

CPC分类号： B01D61/147 ,  C07C51/42 ,  C07C51/43 ,  C07C51/44 ,  C07C63/38

摘要： An apparatus and a method for effectively recovering acetic acid and catalyst from a mother liquor discharged from a series of processes including an oxidation process, a crystallization process and a solid-liquid separation process, in a continuous process for preparing naphthalenedicarboxylic acid by oxidizing dimethylnaphthalene in the presence of an oxygen-containing gas and an acetic acid solvent, using a catalyst system comprising a transition metal such as cobalt or manganese, and a bromine-based compound, are provided.

摘要翻译： 在从包括氧化工艺，结晶工艺和固液分离工艺在内的一系列工艺排出的母液中有效回收乙酸和催化剂的设备和方法，在通过氧化二甲基萘制备萘二甲酸的连续方法中 提供了使用包含过渡金属如钴或锰的催化剂体系和溴基化合物的含氧气体和乙酸溶剂的存在。

公开(公告)号：US20070299293A1

公开(公告)日：2007-12-27

申请号：US11600207

申请日：2006-11-16

申请人： Yang-Ho Chenon ,  Young-Gyo Choi ,  Ik-Hyun Kwon

发明人： Yang-Ho Chenon ,  Young-Gyo Choi ,  Ik-Hyun Kwon

IPC分类号： C07C7/14

CPC分类号： C07C7/005 ,  C07C7/14 ,  C07C7/148 ,  C07C15/24

摘要： The present invention relates to a method for preparation, separation and purification of high-purity 2,6-dimethylnaphthalene. The method according to the present invention comprises a step of subjecting a dimethylnaphthalene isomer mixture rich in 1,5-dimethylnaphthalene, high boiling point materials, unreacted 1,5-dimethyltetralin, and low boiling point materials, which are produced from a dehydrogenation reaction of 1,5-dimethyltetralin, to separation, using a distillation column; a step of subjecting the dimethylnaphthalene mixture separated by the distillation column to liquid state isomerization in the presence of an isomerization catalyst; a first crystallization step (melt crystallization process) of cooling the product of liquid state isomerization with a refrigerant without a solvent to form crystals; and a second crystallization step (solution crystallization process) of mixing the product of the first crystallization step with a solvent to form crystals.

摘要翻译： 本发明涉及高纯度2,6-二甲基萘的制备，分离和纯化方法。 根据本发明的方法包括使富含1,5-二甲基萘，高沸点物质，未反应的1,5-二甲基-1,2,3,4-四氢化萘和低沸点物质的二甲基萘异构体混合物从脱氢反应 1,5-二甲基-1,2,3,4-四氢化萘，分离，使用蒸馏塔; 在异构化催化剂存在下，将由蒸馏塔分离的二甲基萘混合物进行液态异构化的步骤; 第一结晶步骤（熔融结晶方法），用无溶剂的制冷剂冷却液态异构化产物，形成晶体; 和第一结晶步骤的产物与溶剂混合以形成晶体的第二结晶步骤（溶液结晶方法）。

公开(公告)号：US07795489B2

公开(公告)日：2010-09-14

申请号：US11600207

申请日：2006-11-16

申请人： Yang-Ho Chenon ,  Young-Gyo Choi ,  Ik-Hyun Kwon

发明人： Yang-Ho Chenon ,  Young-Gyo Choi ,  Ik-Hyun Kwon

IPC分类号： C07C7/14

CPC分类号： C07C7/005 ,  C07C7/14 ,  C07C7/148 ,  C07C15/24

摘要： High-purity 2,6-dimethylnaphthalene is prepared by (1) subjecting a dimethylnaphthalene isomer mixture rich in 1,5-dimethylnaphthalene, high boiling point materials, unreacted 1,5-dimethyltetralin, and low boiling point materials, which are produced from a dehydrogenation reaction of 1,5-dimethyltetralin, to separation, using a distillation column; subjecting the dimethylnaphthalene mixture separated by the distillation column to liquid state isomerization in the presence of an isomerization catalyst; (3) a first crystallization (melt crystallization process) by cooling the product of liquid state isomerization with a refrigerant without a solvent to form crystals; and (4) a second crystallization (solution crystallization process) of mixing the crystals of the first crystallization step with a solvent to form crystals.

摘要翻译： 高纯度2,6-二甲基萘是通过（1）将富含1,5-二甲基萘，高沸点物质，未反应的1,5-二甲基-1,2,3,4-四氢化萘和低沸点物质的二甲基萘异构体混合物 脱氢反应1,5-二甲基四氢萘，分离，用蒸馏柱; 在异构化催化剂存在下使由蒸馏塔分离的二甲基萘混合物进行液态异构化; （3）通过用不含溶剂的制冷剂冷却液态异构化产物而形成晶体的第一结晶（熔融结晶法） 和（4）将第一结晶步骤的晶体与溶剂混合以形成晶体的第二结晶（溶液结晶方法）。

公开(公告)号：US20070299235A1

公开(公告)日：2007-12-27

申请号：US11475099

申请日：2006-06-27

申请人： Ik-Hyun Kwon ,  Young-Gyo Choi ,  Byung-Jun Song ,  Jong-Cheul Ji

发明人： Ik-Hyun Kwon ,  Young-Gyo Choi ,  Byung-Jun Song ,  Jong-Cheul Ji

IPC分类号： C08G63/02 ,  B01D35/18

CPC分类号： B01D61/147 ,  C07C51/42 ,  C07C51/43 ,  C07C51/44 ,  C07C63/38

摘要： An apparatus and a method for effectively recovering acetic acid and catalyst from a mother liquor discharged from a series of processes including an oxidation process, a crystallization process and a solid-liquid separation process, in a continuous process for preparing naphthalenedicarboxylic acid by oxidizing dimethylnaphthalene in the presence of an oxygen-containing gas and an acetic acid solvent, using a catalyst system comprising a transition metal such as cobalt or manganese, and a bromine-based compound, are provided.

摘要翻译： 在从包括氧化工艺，结晶工艺和固液分离工艺在内的一系列工艺排出的母液中有效回收乙酸和催化剂的设备和方法，在通过氧化二甲基萘制备萘二甲酸的连续方法中 提供了使用包含过渡金属如钴或锰的催化剂体系和溴基化合物的含氧气体和乙酸溶剂的存在。

公开(公告)号：US07308923B2

公开(公告)日：2007-12-18

申请号：US11196759

申请日：2005-08-04

申请人： Ik-Hyun Kwon ,  Soo-Myung Choi ,  Yun-Hyuk Bang ,  Si-Hwan Joo

发明人： Ik-Hyun Kwon ,  Soo-Myung Choi ,  Yun-Hyuk Bang ,  Si-Hwan Joo

IPC分类号： D02G3/48 ,  B60C9/00 ,  B32B19/00

CPC分类号： D02G3/48 ,  B60C9/005 ,  Y10S57/902 ,  Y10T428/29 ,  Y10T428/2913 ,  Y10T428/2965

摘要： It is an object of the present invention to provide a hybrid dip cord consisting of rayon yarn and lyocell yarn to apply to the carcass ply or cap ply (belt reinforced layer) of pneumatic radial tire used in a car and a radial tire using the same. And also, according to the present invent the hybrid dip cord and the radial tire for application to the carcass ply or cap ply (belt reinforced layer) of pneumatic radial tire used in cars are produced by means of the following steps; imparting S direction twist of 20 to 200 TPM yarn number to one rayon yarn to produce a pre-yarn, imparting twist to said one rayon pre-yarn and one non-twisted lyocell respectively to produce a ply twist yarn, and imparting cable twist to two ply of ply twist yarn made from combination of said ply twist yarn or impart cable twist to a ply twist yarn to be produced by regulating low the twist number of one lyocell yarn and the rayon yarn to one lyocell as 20 to 200 TPM when the ply twist processes.

摘要翻译： 本发明的一个目的是提供一种由人造丝和lyocell纱线组成的混合浸渍帘线，以应用于使用其的汽车和子午线轮胎中使用的充气子午线轮胎的胎体帘布层或帘布层（带束层加强层） 。 另外，根据本发明，通过以下步骤制造用于汽车中使用的充气子午线轮胎的胎体帘布层或帘布层（带束层加强层）的混合浸渍帘线和子午线轮胎。 对一根人造丝进行20〜200TPM纱线的S方向扭转以产生预纱线，分别对所述一个人造丝预纱线和一个非扭曲的lyocell进行扭曲，以产生层叠捻纱，并且将电缆捻向 通过将所述帘布层加捻纱线的组合制成的双层纱线捻合线或者通过将一个莱赛尔纱线和人造丝线的人造丝线调节到一个莱赛尔的捻线数作为20〜200TPM而制成的帘布层捻线， 层捻过程。

公开(公告)号：US06983779B2

公开(公告)日：2006-01-10

申请号：US10874308

申请日：2004-06-24

申请人： Ik-Hyun Kwon ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Jae-Shik Choi ,  Tae-Jung Lee ,  Seok-Jong Han

发明人： Ik-Hyun Kwon ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Jae-Shik Choi ,  Tae-Jung Lee ,  Seok-Jong Han

IPC分类号： B60C9/00 ,  D02G3/48

CPC分类号： D01D1/065 ,  B60C9/0042 ,  C08B1/003 ,  D01F2/00 ,  D02G3/48 ,  Y10T428/2965

摘要： The present invention relates to, and more particularily, to a lyocell dip cord and tire produced by a method comprising the steps of: (A) dissolving 0.01 to 3 wt % of cellulose powder in portions in concentrated liquid N-methylmorpholine N-oxide (NMMO) to prepare cellulose-containing NMMO solution; (B) feeding the NMMO solution and cellulose powder into an extruder having a screw to be subjected to dispersing, mixing, shearing, kneading, melting and measuring ability in the extruder to prepare a swollen and homogenized cellulose solution; (C) spinning the cellulose solution through a spinning nozzle, passing the spinning solution through an air gap to a coagulation bath and coagulating the spinning solution to obtain a multifilament; (D) subject the multifilament to water-wash, drying and oil-treatment, followed by winding; and (E) twisting the wound yarn with a twisting machine to prepare a greige cord, weaving the greige cord and dipping the woven cord in a dipping solution.

摘要翻译： 更具体地说，本发明涉及通过包括以下步骤的方法生产的莱赛尔浸渍帘线和轮胎：（A）将0.01至3重量％的纤维素粉末部分地溶解在浓缩的N-甲基吗啉N-氧化物（ NMMO）制备含纤维素的NMMO溶液; （B）将NMMO溶液和纤维素粉末加入到具有螺杆的挤出机中，以在挤出机中进行分散，混合，剪切，捏合，熔融和测量能力，以制备溶胀均匀的纤维素溶液; （C）通过纺丝喷嘴将纤维素溶液纺丝，使纺丝溶液通过气隙进入凝固浴并使纺丝溶液凝固得到复丝; （D）将复丝进行水洗，干燥和油处理，然后卷绕; 和（E）用捻线机缠绕纱线，以制备一条格子绳，编织细绳，将编织线浸入浸渍溶液中。

公开(公告)号：US07732048B2

公开(公告)日：2010-06-08

申请号：US11886298

申请日：2005-09-23

申请人： Ik-Hyun Kwon ,  Soo-Myung Choi ,  Tae-Jung Lee ,  Jae-Shik Choi

发明人： Ik-Hyun Kwon ,  Soo-Myung Choi ,  Tae-Jung Lee ,  Jae-Shik Choi

IPC分类号： B32B23/00

CPC分类号： D01F2/00 ,  Y10T428/2938 ,  Y10T428/2965

摘要： The present invention relates to cellulose fiber containing 500 to 2000 of filaments and having homogeneous physical properties and the multi-filaments according to the present invention is characterized in that the strength and the breaking elongation of the multi-filaments are 4 to 9 g/d and 4 to 15%, respectively. In particular, the present invention is characterized in that each mono-filament selected 100 strands from every three part divided from multi-filaments has properties as following: (a) 3 to 9 g/d in average strength, 7 to 15% in average breaking elongation and 0.035 to 0.055 in by birefringence, (b) the differences of the above three parts are below 1.0 g/d in average strength, 1.5% in breaking elongation and 0.7 denier in denier, (c) the CV (%) (coefficient of variation) of the above three parts are below 10%, and (d) the birefringence differences of the above three parts are below 0.004.

摘要翻译： 本发明涉及含有500〜2000根长丝并具有均匀物理性质的纤维素纤维，本发明的多丝纤维的特征在于，多丝的强度和断裂伸长率为4〜9g / d 和4〜15％。 特别地，本发明的特征在于，从每隔三部分分离多丝的100根线条中，每根单丝的特性如下：（a）平均强度为3〜9g / d，平均强度为7〜15％ （b）上述三个部分的差别在平均强度低于1.0g / d，断裂伸长率为1.5％，旦尼尔为0.7旦尼尔，（c）CV（％）（ 上述三个部分的变异系数都在10％以下，（d）上述三个部分的双折射差小于0.004。

公开(公告)号：US20080054516A1

公开(公告)日：2008-03-06

申请号：US10565098

申请日：2005-12-30

申请人： Ik-Hyun Kwon ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Tae-Jung Lee

发明人： Ik-Hyun Kwon ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Tae-Jung Lee

IPC分类号： D01F1/10

CPC分类号： D01F2/00 ,  D01D1/02

摘要： The present invention relates to a method for producing a cellulose solution which is homogeneous at low temperatures, and to fiber produced by the method. More particularly, the invention relates to a production of a cellulose solution which is homogeneous at low temperatures, by dissolving a small amount of the cellulose powder in concentrated liquid N-methylmorpholine-N-oxide (NMMO) to lower the solidification temperature of NMMO, introducing the low-temperature, concentrated liquid NMMO solution having cellulose dissolved and the cellulose powder into a kneader, mixing and swelling the cellulose in the kneader without a process of reducing pressure to produce a paste, and then supplying the paste into an extruder to dissolve the paste in a homogeneous solution.

摘要翻译： 本发明涉及一种在低温下均匀的纤维素溶液的制造方法以及通过该方法制造的纤维。 更具体地，本发明涉及通过将少量纤维素粉末溶解在浓缩的N-甲基吗啉-N-氧化物（NMMO）中以降低NMMO的固化温度，从而在低温下均匀的纤维素溶液的生产， 将具有纤维素溶解的低温浓缩液体NMMO溶液和纤维素粉末引入捏合机中，将捏合机中的纤维素混合和溶胀，而不用降低压力的方法生产糊料，然后将糊料供应到挤出机中以溶解 将糊状物置于均匀溶液中。