公开(公告)号：US06852413B2

公开(公告)日：2005-02-08

申请号：US10735735

申请日：2003-12-16

申请人： Tae-jung Lee ,  Soo-myung Choi ,  Young-soo Wang ,  Seok-jong Han ,  Cheol Kim ,  Myung-woo Kim ,  Ik-hyon Kwon ,  Sung-ryong Kim ,  Jae-shik Choi

发明人： Tae-jung Lee ,  Soo-myung Choi ,  Young-soo Wang ,  Seok-jong Han ,  Cheol Kim ,  Myung-woo Kim ,  Ik-hyon Kwon ,  Sung-ryong Kim ,  Jae-shik Choi

IPC分类号： B29C47/00 ,  B60C9/00 ,  C08L1/02 ,  C08L29/04 ,  D01F1/02 ,  D01F2/00 ,  D02G3/46 ,  D02G3/48 ,  B60C9/08

CPC分类号： D02G3/48 ,  B29C47/0014 ,  B29C47/8895 ,  B60C9/0042 ,  C08L1/02 ,  C08L29/04 ,  D01F2/00 ,  Y10T428/2913 ,  Y10T428/2965 ,  C08L2666/04

摘要： Disclosed is a lyocell multi-filament for a tire cord and a method of producing the same. The method includes i) dissolving mixed powder of cellulose and polyvinyl alcohol in a mixed solvent of N-methyl morpholine N-oxide and water to prepare a dope, ii) extruding the dope using a spinning nozzle including orifices through air gaps into a conical upper coagulation bath to solidify the dope to produce a multi-filament, iii) feeding the multi-filament through a lower coagulation bath to a washing bath, and washing the multi-filament, and iv) drying and oiling the washed multi-filament and winding the resulting multi-filament. At this time, the orifices each have a diameter (D) of 100 to 300 μm, a length (L) of 200 to 2400 μm, and a ratio of the length to the diameter (L/D) of 2 to 8, and are spaced apart from each other at intervals of 2.0 to 5.0 mm. The method provides a lyocell multi-filament having excellent physical properties useful as a tire cord, thereby producing a tire for an automobile having improved driving stability, dimensional stability, and uniformity using the tire cord.

摘要翻译： 公开了一种用于轮胎帘线的莱赛尔复丝及其制造方法。 该方法包括：将纤维素和聚乙烯醇的混合粉末溶解在N-甲基吗啉N-氧化物和水的混合溶剂中以制备涂料，ii）使用包括通过气隙的孔口的纺丝喷嘴将该涂料挤出成圆锥形 凝固浴固化涂料以产生复丝，iii）将复丝通过下部凝固浴输送到洗涤槽中，并洗涤复丝，并且iv）干燥并将洗涤的复丝和卷绕油 得到的复丝。 此时，孔的直径（D）为100〜300μm，长度（L）为200〜2400μm，长径比（L / D）为2〜8， 间隔2.0〜5.0mm。 该方法提供了可用作轮胎帘线的优异物理性能的莱赛尔复丝，由此制造了具有改善的行驶稳定性，尺寸稳定性和使用轮胎帘线的均匀性的汽车用轮胎。

公开(公告)号：US20050079348A1

公开(公告)日：2005-04-14

申请号：US10959083

申请日：2004-10-07

申请人： Tae-jung Lee ,  Soo-myung Choi ,  Young-soo Wang ,  Seok-jong Han ,  Cheol Kim ,  Myung-woo Kim ,  Ik-hyon Kwon ,  Sung-ryong Kim ,  Jae-shik Choi

发明人： Tae-jung Lee ,  Soo-myung Choi ,  Young-soo Wang ,  Seok-jong Han ,  Cheol Kim ,  Myung-woo Kim ,  Ik-hyon Kwon ,  Sung-ryong Kim ,  Jae-shik Choi

IPC分类号： B29C47/00 ,  B60C9/00 ,  C08L1/02 ,  C08L29/04 ,  D01F1/02 ,  D01F2/00 ,  D02G3/46 ,  D02G3/48 ,  D01D5/06 ,  D01D10/06 ,  D01F2/02

CPC分类号： D02G3/48 ,  B29C48/05 ,  B29C48/919 ,  B60C9/0042 ,  C08L1/02 ,  C08L29/04 ,  D01F2/00 ,  Y10T428/2913 ,  Y10T428/2965 ,  C08L2666/04

摘要： Disclosed is a lyocell multi-filament for a tire cord and a method of producing the same. The method includes i) dissolving mixed powder of cellulose and polyvinyl alcohol in a mixed solvent of N-methyl morpholine N-oxide and water to prepare a dope, ii) extruding the dope using a spinning nozzle including orifices through air gaps into a conical upper coagulation bath to solidify the dope to produce a multi-filament, iii) feeding the multi-filament through a lower coagulation bath to a washing bath, and washing the multi-filament, and iv) drying and oiling the washed multi-filament and winding the resulting multi-filament. At this time, the orifices each have a diameter (D) of 100 to 300 μm, a length (L) of 200 to 2400 μm, and a ratio of the length to the diameter (L/D) of 2 to 8, and are spaced apart from each other at intervals of 2.0 to 5.0 mm. The method provides a lyocell multi-filament having excellent physical properties useful as a tire cord, thereby producing a tire for an automobile having improved driving stability, dimensional stability, and uniformity using the tire cord.

公开(公告)号：US06812270B2

公开(公告)日：2004-11-02

申请号：US10214941

申请日：2002-08-09

申请人： Tae-jung Lee ,  Soo-myung Choi ,  Yun-hyuk Bang ,  Seok-jong Han

发明人： Tae-jung Lee ,  Soo-myung Choi ,  Yun-hyuk Bang ,  Seok-jong Han

IPC分类号： C08L100

CPC分类号： C08J3/11 ,  C08J2301/02 ,  C08L1/02 ,  C08L29/04 ,  C08L2666/04

摘要： Disclosed is a process of producing a highly homogeneous cellulose solution, in which a mixture of powdered cellulose with polyvinyl alcohol powder is fed in conjunction with concentrated liquid NMMO into a kneader or an extruder to produce the highly homogeneous cellulose solution, or into the kneader to produce a swollen cellulose/polyvinyl alcohol paste and the paste thus produced is moved into the extruder to produce the highly homogeneous cellulose solution. The cellulose solution is extruded through a nozzle into a cellulose fiber. The process is advantageous in that the highly homogeneous cellulose solution can be rapidly and inexpensively produced because the cellulose solution is produced without a vacuum distillation step or separate swelling step, and formation of fibrils is prevented, thereby cellulose fibers with excellent flexibility and strength are produced from the cellulose solution.

摘要翻译： 公开了一种制备高度均匀的纤维素溶液的方法，其中将粉末状纤维素与聚乙烯醇粉末的混合物与浓缩液体NMMO一起加入到捏合机或挤出机中以产生高度均匀的纤维素溶液，或者混合到捏合机中 产生溶胀的纤维素/聚乙烯醇浆料，并将由此产生的糊料移入挤出机中以产生高度均匀的纤维素溶液。 纤维素溶液通过喷嘴挤出成纤维素纤维。 该方法的优点在于，由于在没有真空蒸馏步骤或单独的溶胀步骤的情况下制备纤维素溶液，所以可以快速且廉价地制造高度均匀的纤维素溶液，并且防止了原纤维的形成，由此产生具有优异的柔软性和强度的纤维素纤维 从纤维素溶液。

公开(公告)号：US06701989B2

公开(公告)日：2004-03-09

申请号：US10116752

申请日：2002-04-05

申请人： Soo-myung Choi ,  Cheol Kim

发明人： Soo-myung Choi ,  Cheol Kim

IPC分类号： B60C900

CPC分类号： B60C9/08 ,  B60C2009/0035 ,  D02G3/48 ,  Y10T152/10792 ,  Y10T428/2965

摘要： Disclosed is a radial tire for an automobile, in which lyocell having a dry/wet tenacity ratio S1/S2 of 1.2 to 1.6, a tensile strength at high temperature/a tensile strength at room temperature ratio S3/S4 of more than 0.8, and a shrinkage E of less than 0.01 is applied to a carcass part, thereby a resistance to fatigue and dimensional stability in running of a tire are improved.

摘要翻译： 公开了一种用于汽车的子午线轮胎，其中干/湿强度比S1 / S2为1.2至1.6，高温下的拉伸强度/室温比S3 / S4下的拉伸强度大于0.8， 对胎体部分施加小于0.01的收缩率E，从而提高轮胎的耐疲劳性和尺寸稳定性。