公开(公告)号：US07214335B2

公开(公告)日：2007-05-08

申请号：US11266253

申请日：2005-11-04

Applicant: Ik-Hyeon Kwon ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Jae-Shik Choi ,  Tae-Jung Lee ,  Seok-Jong Han ,  Myung-Woo Kim

Inventor： Ik-Hyeon Kwon ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Jae-Shik Choi ,  Tae-Jung Lee ,  Seok-Jong Han ,  Myung-Woo Kim

IPC: B29C31/00 ,  B29C47/00 ,  D01D1/02

CPC classification number: B60C9/0042 ,  C08B1/003 ,  D01F2/00 ,  D02G3/48 ,  Y10T428/2913

Abstract: This invention relates to a method of preparing cellulose solution which is homogeneous at relatively low temperature, in which a small amount of cellulose powder or polyvinylalcohol is dissolved in the liquid-state, concentrated N-methylmorpholine-N-oxide (hereinafter, referred to as ‘NMMO’) so as to lower the solidifying temperature of NMMO, and then, the resulting solution and cellulose powder are fed into an extruder so as to be mixed, swollen and melted in the extruder.

公开(公告)号：US20060180261A1

公开(公告)日：2006-08-17

申请号：US11399399

申请日：2006-04-07

Applicant: Ik-Hyeon Kwon ,  Yun-Hyuk Bang ,  Jong Lee ,  Deuk-Jin Lee ,  In-Ho Lee

Inventor： Ik-Hyeon Kwon ,  Yun-Hyuk Bang ,  Jong Lee ,  Deuk-Jin Lee ,  In-Ho Lee

IPC: B60C9/00

CPC classification number: D01F6/62 ,  B60C9/0042 ,  B60C9/02 ,  B60C9/04 ,  B60C9/08 ,  Y10T428/2933

Abstract: The present invention relates to a high strength polyethylene-2,6-naphthalate fiber produced by a method comprising controlling the stress-strain curve and fine structure of an undrawn yarn such that the drawability of the undrawn yarn in a drawing step is improved. The industrial polyethylene-2,6-naphthalate fiber with high strength according to the present invention shows high strength and low shrinkage, and a treated cord formed from this fiber has improved dimensional stability and high strength, such that it can be advantageously employed as a fibrous reinforcement material of rubber products such as tires.

Abstract translation: 本发明涉及一种高强度的聚2,6-萘二甲酸乙二醇酯纤维，它是通过控制未拉伸丝的应力 - 应变曲线和精细结构的方法制成的，使拉伸步骤中未拉伸丝的拉伸性提高。 根据本发明的具有高强度的工业聚2,6-萘二甲酸乙二醇酯纤维显示出高强度和低收缩率，并且由该纤维形成的处理帘线具有改进的尺寸稳定性和高强度，使得其可有利地用作 橡胶制品如轮胎的纤维增强材料。

公开(公告)号：US06955854B2

公开(公告)日：2005-10-18

申请号：US10763543

申请日：2004-01-23

Applicant: Ik-Hyeon Kwon ,  Woo-Sung Kim ,  Yun-Hyuk Bang ,  Young-Jo Kim ,  Chan-Min Park

Inventor： Ik-Hyeon Kwon ,  Woo-Sung Kim ,  Yun-Hyuk Bang ,  Young-Jo Kim ,  Chan-Min Park

IPC: B60C9/00 ,  C08K3/36 ,  C08L67/02 ,  D01F1/10 ,  D01F6/62 ,  D01F6/92 ,  D02G3/48 ,  D01F6/00

CPC classification number: B60C9/0042 ,  D01F1/10 ,  D01F6/62 ,  D02G3/48 ,  D10B2321/021 ,  Y10T428/2913 ,  Y10T428/2927 ,  Y10T428/2969

Abstract: The present invention relates to a high tenacity polyethylene naphthalate fiber containing a silica compound. This fiber is produced by a method comprising the steps of: (A) melt-spinning a solid phase-polymerized polyethylene-2,6-naphthalate chip containing ethylene-2,6-naphthalate units at more than 85 mole % and a silica compound and having an intrinsic viscosity of 0.70-1.20, to produce a melt-spun yarn; (B) passing the melt-spun yarn through a retarded cooling zone and a cooling zone to solidify the yarn; (C) withdrawing the yarn at such a speed that the undrawn yarn has a birefringence of 0.001-0.1; and (D) subjecting the undrawn yarn to multi-stage drawing at a total draw ratio of at least 1.5 and a drawing temperature of 50-250° C. The polyethylene naphthalate fiber has improved physical properties, such as high tenacity, and a dipped cord produced from this fiber has excellent dimensional stability and tenacity such that it can be advantageously employed as a reinforcement material of rubber products.

Abstract translation: 本发明涉及含有二氧化硅化合物的高韧性聚萘二甲酸乙二醇酯纤维。 该纤维通过包括以下步骤的方法制备：（A）将含有大于85摩尔％的乙烯-2,6-萘二甲酸酯单元的固相聚合的聚2,6-萘二甲酸乙二醇酯芯片熔融纺丝，以及二氧化硅化合物 并且具有0.70-1.20的特性粘度，以生产熔纺纱; （B）使熔纺纱通过延迟冷却区和冷却区使纱线固化; （C）以未拉伸纱线的双折射率为0.001-0.1的速度取出纱线; 和（D）使未拉伸丝以总拉伸比为至少1.5，拉伸温度为50-250℃的多段拉伸。聚萘二甲酸乙二醇酯纤维具有改善的物理性能，例如高强度，和浸渍 由该纤维制成的帘线具有优异的尺寸稳定性和韧性，使得其可以有利地用作橡胶制品的增强材料。

公开(公告)号：US20050160939A1

公开(公告)日：2005-07-28

申请号：US10481474

申请日：2003-10-24

Applicant: Ik-Hyeon Kwon ,  Soo-Myung Choi ,  Young -Soo Wang ,  Sung-Ryong Kim ,  Jae-Shik Choi ,  Tae-Jung Lee ,  Seok-Jong Han ,  Myung-Woo Kim

Inventor： Ik-Hyeon Kwon ,  Soo-Myung Choi ,  Young -Soo Wang ,  Sung-Ryong Kim ,  Jae-Shik Choi ,  Tae-Jung Lee ,  Seok-Jong Han ,  Myung-Woo Kim

IPC: B60C9/00 ,  C08B1/00 ,  C08J3/02 ,  D01F2/00 ,  D02G3/48 ,  C08L1/00

CPC classification number: D01F2/00 ,  B29C47/00 ,  B29C47/0014 ,  B29C47/0021 ,  B29C47/0023 ,  B29C47/0026 ,  B29C47/02 ,  B29K2001/00 ,  B29L2031/731 ,  B60C9/0042 ,  C08B1/003 ,  D02G3/48

Abstract: The present invention relates to a method for making highly homogenized cellulose solution, wherein the cellulose solution is obtained by obtaining a solidified N-methylmorphorine-N-oxide (hereinafter, referred to as ‘NMMO’) hydrates which is solidified a liquid-state NMMO hydrates comprising 10 to 18% by weight water by using a simple screw-type feeder and by controlling the temperature, feeding the solidified NMMO into a twin-screw type extruder continuously, obtaining a cellulose solution which is fully swelled in a few minutes by dispersing and mixing with cellulose powder in the twin-screw type extruder, and extruding a highly homogenized cellulose solution by feeding the obtained cellulose solution into a melting zone of the extruder to melting the cellulose solution in a few minutes by minimum heat and shear force.

Abstract translation: 本发明涉及一种制备高均匀纤维素溶液的方法，其中纤维素溶液通过获得固化的液态NMMO固化的N-甲基吗啉-N-氧化物（以下称为“NMMO”）水合物 通过使用简单的螺杆式进料器并通过控制温度，将固化的NMMO连续进入双螺杆挤出机中的水分包含10至18重量％的水，获得在几分钟内通过分散完全溶胀的纤维素溶液 并在双螺杆挤出机中与纤维素粉末混合，并通过将所得纤维素溶液进料到挤出机的熔融区域中，通过最小的热剪切力在几分钟内使纤维素溶液熔化，从而挤出高均匀化的纤维素溶液。

公开(公告)号：US07637986B2

公开(公告)日：2009-12-29

申请号：US11631658

申请日：2005-07-07

Applicant: Yong-Chul Park ,  Woo-Sik Jeong ,  Kwang-Chul Hyun ,  Jang-Won Lee ,  Ik-Hyeon Kwon

Inventor： Yong-Chul Park ,  Woo-Sik Jeong ,  Kwang-Chul Hyun ,  Jang-Won Lee ,  Ik-Hyeon Kwon

IPC: B01D53/02

CPC classification number: B01D53/02 ,  B01D53/0423 ,  B01D53/0462 ,  B01D2253/108 ,  B01D2253/308 ,  B01D2257/2066 ,  B01D2258/0216 ,  B01D2259/4006 ,  B01D2259/401 ,  B01J20/186 ,  C01B21/0837 ,  Y02C20/30 ,  Y02P20/151 ,  Y02P20/154 ,  Y10S95/90

Abstract: Disclosed herein are a process for the refinement of nitrogen trifluoride gas and an adsorbent therefor. A nitrogen trifluoride (NF3) gas including carbon tetrafluoride (CF4) as an impurity is permeated into a bed of zeolite 3A, 4A or 5A which undergoes ion exchange and impregnation with alkali earth metal and is thermally treated at 150 to 600° C. for 0.5 to 100 hours so as to be able to selectively adsorb nitrogen trifluoride onto the bed, followed by the desorption of the nitrogen trifluoride therefrom.

Abstract translation: 本文公开了一种用于精制三氟化氮气体及其吸附剂的方法。 将包含四氟化碳（CF 4）作为杂质的三氟化氮（NF 3）气体渗透到沸石3A，4A或5A的沸石床中，该沸石经碱离子交换并用碱土金属浸渍，并在150〜600℃下热处理， 0.5至100小时，以便能够将三氟化氮选择性吸附到床上，然后从其中解吸三氟化氮。

公开(公告)号：US20080087166A1

公开(公告)日：2008-04-17

申请号：US11631658

申请日：2005-07-07

Applicant: Yong-Chul Park ,  Woo-Sik Jeong ,  Kwang-Chul Hyun ,  Jang-Won Lee ,  Ik-Hyeon Kwon

Inventor： Yong-Chul Park ,  Woo-Sik Jeong ,  Kwang-Chul Hyun ,  Jang-Won Lee ,  Ik-Hyeon Kwon

IPC: B01D53/02

CPC classification number: B01D53/02 ,  B01D53/0423 ,  B01D53/0462 ,  B01D2253/108 ,  B01D2253/308 ,  B01D2257/2066 ,  B01D2258/0216 ,  B01D2259/4006 ,  B01D2259/401 ,  B01J20/186 ,  C01B21/0837 ,  Y02C20/30 ,  Y02P20/151 ,  Y02P20/154 ,  Y10S95/90

Abstract: Disclosed herein are a process for the refinement of nitrogen trifluoride gas and an adsorbent therefor. A nitrogen trifluoride (NF3) gas including carbon tetrafluoride (CF4) as an impurity is permeated into a bed of zeolite 3 A, 4A or 5 A which undergoes ion exchange and impregnation with alkali earth metal and is thermally treated at 150 to 600° C. for 0.5 to 100 hours so as to be able to selectively adsorb nitrogen trifluoride onto the bed, followed by the desorption of the nitrogen trifluoride therefrom.

Abstract translation: 本文公开了一种用于精制三氟化氮气体及其吸附剂的方法。 将包含四氟化碳（CF 4）作为杂质的三氟化氮（NF 3）气体渗入到用碱土金属进行离子交换和浸渍并在150〜600℃下热处理的沸石3A，4A或5A的床中 0.5〜100小时，以便能够将三氟化氮选择性吸附到床上，然后从其中解吸三氟化氮。

公开(公告)号：US20060057378A1

公开(公告)日：2006-03-16

申请号：US11266253

申请日：2005-11-04

Applicant: Ik-Hyeon Kwon ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Jae-Shik Choi ,  Tae-Jung Lee ,  Seok-Jong Han ,  Myung-Woo Kim

Inventor： Ik-Hyeon Kwon ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Jae-Shik Choi ,  Tae-Jung Lee ,  Seok-Jong Han ,  Myung-Woo Kim

IPC: C08B1/00 ,  D02G3/00

CPC classification number: B60C9/0042 ,  C08B1/003 ,  D01F2/00 ,  D02G3/48 ,  Y10T428/2913

Abstract: This invention relates to a method of preparing cellulose solution which is homogeneous at relatively low temperature, in which a small amount of cellulose powder or polyvinylalcohol is dissolved in the liquid-state, concentrated N-methylmorpholine-N-oxide (hereinafter, referred to as ‘NMMO’) so as to lower the solidifying temperature of NMMO, and then, the resulting solution and cellulose powder are fed into an extruder so as to be mixed, swollen and melted in the extruder.

Abstract translation: 本发明涉及一种制备在较低温度下均匀的纤维素溶液的方法，其中少量的纤维素粉末或聚乙烯醇溶解在液态浓缩的N-甲基吗啉-N-氧化物（以下称为 “NMMO”），降低NMMO的凝固温度，然后将所得溶液和纤维素粉末进料到挤出机中，使其在挤出机中混合，溶胀和熔融。

公开(公告)号：US06902804B2

公开(公告)日：2005-06-07

申请号：US10874222

申请日：2004-06-24

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

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

IPC: B60C9/00 ,  D01F2/00 ,  D02G3/02 ,  D02G3/36 ,  D02G3/48 ,  D01F6/00

CPC classification number: D01F2/00 ,  D02G3/48 ,  Y10T428/2913 ,  Y10T428/2965

Abstract: The present invention relates to a high tenacity, high modulus and low shrinkage lyocell multifilament yarn suitable for use in tire cords and MRG (mechanical rubber goods). The lyocell multifilament yarn is a cellulose-based fiber for industrial applications, which is produced by dissolving pulp having a degree of polymerization (DPW) of 700-2,000 and preferably 800-1,400, and a α-cellulose content of more than 90% and preferably more than 92%, in N-methylmorpholine N-oxide (NMMO) hydrate, at a pulp concentration of 5-15% by weight and preferably 8-13% by weight.The lyocell monofilament according to the present invention is characterized by the following stress-strain profile: (1) the lyocell monofilament analyzed after drying is elongated by less than 3.0% and has an initial modulus of 150-400 g/d, when it was subjected to an initial stress of 3.0 g/d; (2) it is elongated by 3.0-7.0% when it was subjected to a stress greater than the initial stress but smaller than 6.0 g/d; and (3) it is elongated from a tensile tenacity of at least 6.0 g/d until the yarn is broken.

Abstract translation: 本发明涉及适用于轮胎帘线和MRG（机械橡胶制品）的高韧性，高模量和低收缩率的莱赛尔复丝纱线。 莱赛尔复丝纱是用于工业应用的纤维素基纤维，其通过将具有700-2,000，优选800-1,400的聚合度（DPNW）的纸浆溶解而制备， 纤维素含量在N-甲基吗啉N-氧化物（NMMO）水合物中大于90％，优选大于92％，纸浆浓度为5-15重量％，优选8-13重量％。 根据本发明的lyocell单丝的特征在于以下应力 - 应变曲线：（1）干燥后分析的裂解细胞单丝伸长小于3.0％，初始模量为150-400g / d，当为 经受3.0g / d的初始应力; （2）当其施加大于初始应力但小于6.0g / d的应力时，其伸长3.0-7.0％; 和（3）从至少6.0g / d的拉伸强度拉伸至纱线断裂为止。

公开(公告)号：US20080058494A1

公开(公告)日：2008-03-06

申请号：US11706408

申请日：2007-02-15

Applicant: Jae-Yoon Shim ,  Ik-Hyeon Kwon ,  Jung-Ho Kim

Inventor： Jae-Yoon Shim ,  Ik-Hyeon Kwon ,  Jung-Ho Kim

IPC: C08G2/00

CPC classification number: C08G67/02

Abstract: The present invention relates to a process for preparing polyketone with improved catalytic activity and intrinsic viscosity, and specifically a process for preparing polyketone, in which as a catalyst component, an organometallic complex comprising palladium acetate, 1,3-bis[bis(2-methoxy-5-methylphenyl)phosphino]propane, and an anion of an acid with pKa of 4 or lower, as a liquid medium, a mixed solvent of methanol and 1000 to 10000 ppm of water, and upon polymerization, benzothiazole or benzophenone is added.

Abstract translation: 本发明涉及一种制备具有改进的催化活性和特性粘度的聚酮的方法，具体地说，涉及一种制备聚酮的方法，其中作为催化剂组分，包括乙酸钯，1,3-双[双（2- 甲氧基-5-甲基苯基）膦基]丙烷，pKa为4以下的酸的阴离子作为液体介质，甲醇和1000〜10000ppm水的混合溶剂，聚合后加入苯并噻唑或二苯甲酮 。

公开(公告)号：US20080058493A1

公开(公告)日：2008-03-06

申请号：US11706407

申请日：2007-02-15

Applicant: Ik-Hyeon Kwon ,  Hae-Souk Cho ,  Jung-Ho Kim

Inventor： Ik-Hyeon Kwon ,  Hae-Souk Cho ,  Jung-Ho Kim

IPC: C08G2/00

CPC classification number: C08G67/02

Abstract: The present invention relates to a process for preparing polyketone with improved catalytic activity and intrinsic viscosity, and specifically a process for preparing polyketone wherein an organometallic complex comprising acetate-palladium and 1,3-bis[bis(2-methoxy-5-methylphenyl)phosphino]propane is used as a catalyst component, and a mixed solvent of 70 to 90 vol % of acetic acid and 10 to 30 vol % of water is used as a liquid medium.

Abstract translation: 本发明涉及一种具有改进的催化活性和特性粘度的聚酮的制备方法，特别涉及一种制备聚酮的方法，其中含有乙酸酯 - 钯和1,3-双[双（2-甲氧基-5-甲基苯基） 膦基]丙烷作为催化剂组分，使用70至90体积％的乙酸和10至30体积％的水的混合溶剂作为液体介质。