在1990年, Vectran®被首次生产出来,是世界上唯一商业化的熔纺液晶纤维。 成分 Vectran®属于芳族聚酯,由液晶聚合物通过熔融挤出工序纺成长丝。此工序引导分子沿着纤维的轴向分布,从而生成高抗拉的纤维。 FIBER-LINE®针对Vectran®产品通过以下工序进行性能强化: 涂层 搓捻 挤护套 挤拉成杆 精密复绕 FIBER-LIN...
Key words:stratospheric airship；load-bearing fabric;Vectran fiber；mechanical properties;composites 平流层飞艇是一种利用低密度气体来提供升力,并具有推进装置和控制飞行状态功能的航空器。平流层飞艇可以在平流层高空长时间悬浮，飞行高度一般为18km~24km。它具有可定点飞行、覆盖范围广、生产和维护费用低等诸多...
结构和性能TLCPVeetran fiberstructure and property热致液晶聚芳酯Vectran纤维是一种新型的高性能纤维。介绍了Vectran纤维的发展状况、熔纺制备和热处理技术,分析了Vectran纤维的结构特征,对比研究了其力学性能、热性能、耐化学性能、抗蠕变以及耐摩擦性能等,并列举了其主要应用范围。王桦陈丽萍覃俊岳海生陈佳月合成纤维...
Keywords Vectran fiber; thermal aging; tensile property; SEM; ATR-FTIR; DSC [4] [5] Vectran 纤维是一种较新型的高分子热致液晶 法、苯酯法、乙酰基化法 、直接酯交换法 、硅 聚芳酯纤维,其刚性大分子在纺丝时就已获得高度 烷基化法等,从而促进了热致液晶聚芳酯的飞速发 [1] 取向 ,因此它具有...
Temperature RangeFiber Longitudinal Direction CTE (m/m- °C x 10-6) VECTRAN™ HTStandard Aramid –150 to 100°C –4.8 –4.9 100 to 200°C –11.6 –5.8Thermal conductivity of Vectran™ HT DirectionTemperature °CDensity g/cm3Specific Heat J/kg-°KThermal Conductivity W/m-°K10-3 cal...
VECTRAN™ is Kuraray’s high-performance multifilament yarn spun from liquid crystal polymer. The fiber is five times stronger than steel and offers a unique combination of outstanding properties. It is the fiber of choice where others fail to meet performance requirements. VECTRAN™ is used in...
Keywords Vectran fiber; acid and alkali; weight loss; breaking strength; superficial morphology 热致液晶芳香族聚酯纤维与Kevlar 纤维性能相近,其优异的性能决定了它具有广泛的 用途,是一种很有发展前途的材料 [1] 。Vectran 纤维就是一种典型的热致液晶芳香族聚酯纤 ...
Offgassing and outgassing test results for Vectran™HT fiber Vectran™Fiber with:TML%CVCM%WVR%Toxic Hazard Index No finish*0.000.002.226** T97 finish*0.000.000.009 T150 finish0.300.000.000.015 * Test results exceeded precision limits required to produce a statistically meaningful average. Individua...
CTE, linear -11.6 µm/m-°C @Temperature 100 - 200 °C -6.44 µin/in-°F @Temperature 212 - 392 °F Longitudinal Fiber -4.80 µm/m-°C @Temperature -150 - 100 °C -2.67 µin/in-°F @Temperature -238 - 212 °F Longitudinal Fiber Specific Heat Capacity 1.10 J/g-°C ...
Vectran® is a preferred choice in PPE protective textiles, inflatables, and tensile structures for both specialty commercial andaerospace applications, its high performance and reliability. Applications Because of these properties, Vectran® fiber is frequently used in manufacturing webbing and other hi...