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    • 9. 发明申请
    • POLY(ETHYLENETEREPHTHALATE) TIRE CORD, AND TIRE COMPRISING THE SAME
    • 聚(乙烯醚)轮胎线及包含其的轮胎
    • WO2010011086A2
    • 2010-01-28
    • PCT/KR2009004069
    • 2009-07-22
    • KOLON INCJEON OK-HWACHUNG ILKIM GI-WOONG
    • JEON OK-HWACHUNG ILKIM GI-WOONG
    • D02G3/48
    • D02G3/48D01F6/62D10B2331/04Y10S57/902Y10T152/10513
    • The present invention relates to a PET tire cord that can improve riding comfort of a car due to its good dimensional stability, and a pneumatic tire including the same. The PET tire cord has a flat spot index (FSI) defined by the following Calculation Formula 1 of 5.0% or less: [Calculation Formula 1] Flat Spot Index (FSI) (%) = (L1 - L2)/L0 X 100 wherein, L0 is an initial length of the tire cord, L1 is a length of the tire cord that is measured after providing a load corresponding to 13% of the strength at break of the cord for 5 minutes at 120°Cand cooling the same to 24°Cwhile maintaining the load, and L2 is a length of the tire cord that is measured after providing a load corresponding to 13% of the strength at break of the cord for 5 minutes at 120°Cand cooling the same to 24°while remaining the load of 0.01g/d only.
    • 本发明涉及一种能够由于其良好的尺寸稳定性而改善轿厢的乘坐舒适性的PET轮胎帘线,以及包括该PET轮胎帘线的充气轮胎。 PET轮胎帘线具有以下计算式1定义的平均光斑指数(FSI)为5.0%以下:[计算式1]平斑指数(FSI)(%)=(L1-L2)/ L0×100其中 L0是轮胎帘线的初始长度,L1是轮胎帘线的长度,其在提供相当于帘线断裂强度的13%的负荷后测量的温度为120度,将其冷却至24℃ °,同时保持负载,L2是轮胎帘线的长度,在提供相当于帘线断裂强度的13%的负载之后测量,在120℃下将其冷却至24°,同时保持 仅负载0.01g / d。
    • 10. 发明申请
    • PREPARATION METHOD FOR LYOCELL FILAMENT FIBERS, LYOCELL FILAMENT FIBERS, TIRE CORD, AND PREPARATION METHOD FOR TIRE CORD
    • 柳编细丝纤维,柳编细丝纤维,胎体帘线的制备方法以及胎体帘线的制备方法
    • WO2009028919A2
    • 2009-03-05
    • PCT/KR2008005126
    • 2008-09-01
    • KOLON INCOH YOUNG-SEKWON SO-YEONJEONG JONG-CHEOLKIM WOO-CHULJEON OK-HWACHUNG ILLEE JAE-WOONGKIM GI-WOONG
    • OH YOUNG-SEKWON SO-YEONJEONG JONG-CHEOLKIM WOO-CHULJEON OK-HWACHUNG ILLEE JAE-WOONGKIM GI-WOONG
    • D01F2/00D07B1/02
    • D01F2/00B60C1/0008B60C9/0042D02G3/48D10B2201/20
    • The present invention relates to a method of preparing lyocell filament fibers, and lyocell filament fibers. More particularly, the present invention relates to a method of preparing lyocell filament fibers using a solidifying bath of 30 to 60 0C in the step of solidifying the filaments, lyocell filament fibers, and a tire cord including the same. Furthermore, the present invention relates to a tire cord and a method of preparing the same. More particularly, the present invention relates to a tire cord including a twisted yarn of lyocell filament fibers and an adhesive, wherein the pick up rate of the adhesive is 6 to 10 wt%, and the degree of fatigue resistance is 70% or more at the fatigue condition of extension and contraction of +2% according to the ASTM D 6588 method by using a disk fatigue tester. The lyocell filament fibers according to the present invention show a dense structure advantageous for providing good elongation and make penetration of the dipping solution easy during preparing the tire cord, and the fatigue property and fatigue resistance are good, owing to the proper pick up rate of the adhesive, and thus there is an effect of improving the durability and safety of the tire.
    • 本发明涉及一种制备莱赛尔长丝纤维和莱塞尔长丝纤维的方法。 更具体地说,本发明涉及在固化长丝的步骤中使用30至60℃的凝固浴制备莱赛尔长丝纤维的方法,莱赛尔长丝纤维以及包含该长丝纤维的轮胎帘线。 此外,本发明涉及一种轮胎帘线及其制备方法。 更具体地,本发明涉及一种包含莱赛尔纤维长丝纤维的加捻纱和粘合剂的轮胎帘线,其中粘合剂的吸收率为6至10重量%,并且抗疲劳度在70%以上 根据ASTM D 6588方法通过使用盘式疲劳试验机测量+ 2%伸长和收缩的疲劳状态。 根据本发明的莱塞尔长丝纤维表现出致密的结构,其有利于提供良好的伸长率,并且在制备轮胎帘线期间容易使浸渍溶液渗透,并且由于适当的吸收速率,疲劳性能和耐疲劳性良好 粘合剂,因此具有提高轮胎的耐久性和安全性的效果。