研究了拉伸倍数对尼龙66工业丝物理性能指标的影响。
The article investigated the influence of draw ratio on the physical properties of nylon-66 industrial yarn.
结果表明获得较低缩率的最佳工艺条件是：拉断机热拉伸倍数为1。
Results demonstrate the following optimum conditions for low-shrinkage sliver: hot stretch ratio of breaking machine, 1.
随着纤维的皮芯比的增加和拉伸倍数的提高，纤维的磁感应强度下降。
Magnetization of the fibers reduced with increasing of draw ratio and core-sheath ratio of the fibers.
纤维的强度随拉伸倍数的增加而增大，结晶度和取向度也都得到提高。
The strength of the fiber was increased with the increase of draw ratio. The crystallinity and orientation degree were improved.
本文就熔融纺丝成形条件及后拉伸倍数对圆中空聚酯纤维中空度的影响进行了探讨。
The influences of formation condition and draw ratio in melt spinning on the hollowness of Circular cross section hollow polyester fiber are studied.
PU中空纤维膜的的水通量随着拉伸倍数的增大而增大，随着PAN含量的增大而增大。
The water flux ofPAN/PU hollow fiber membranes increased with the increase of draw ratio and concentration of PAN.
在总拉伸倍数不变的前提下，随着凝固浴拉伸倍数的提高，纤维的取向度和水通量都减小；
The results showed that the orientation degree of the fiber was raised and the water flux was reduced when the spinning speed was increased;
探讨了纺丝温度、冷却条件、单丝纤度、拉伸倍数等主要工艺条件对丙纶高强丝强度的影响。
The effects of spining temperature, quenching air, stretching ratio on the tenacity of the filament are also studied.
讨论了两种切片的特性粘数、纺丝温度、侧吹风、后拉伸倍数、松弛定型等工艺对纤维性能的影响。
The influences of viscosity, spinning temperature, quenching air, after drawing ratio, crimp, shrink setting of two components on fiber properties were discussed in detail.
试验发现，在相同的纺丝条件下，多级拉伸大大提高了IPP单丝的拉伸性能，拉伸倍数可达25倍。
It is found that the draw performance of IPP monofilaments is greatly promoted in the multi-stage drawing under the same spinning condition. The draw ratio approaches 25 x.
用x -射线衍射、动态力学测定等手段研究了不同拉伸倍数的超高分子量聚丙烯薄膜的力学性能的变化。
The mechanical properties of ultrahigh molecular weight polypropylene films with various draw ratios have been studied by WAXD and dynamic mechanical measurements.
指出预氧化过程中影响纤维结构与性能变化的主要因素有预氧化温度、预氧化时间和对纤维的拉伸倍数等。
The primary factors affecting the structure and properties of the resulted fibers during pre-oxidation included pre-oxidation temperature and time and draw ratio.
同时探讨了纺纱工艺参数——热板温度、芯丝拉伸倍数、纱线捻度、网络度等与变形纱沸水缩率间的关系。
At the same time, the relation between the shrinkage ratio of combination yarn in the boil water and spinning processing parameter, especially the temperature of heated...
同时探讨了纺纱工艺参数——热板温度、芯丝拉伸倍数、纱线捻度、网络度等与变形纱沸水缩率间的关系。
At the same time, the relation between the shrinkage ratio of combination yarn in the boil water and spinning processing parameter, especially the temperature of heated plate,...
冷拉伸后，涤纶未拉伸丝的中空度变大，热拉伸则相反；随着拉伸倍数的提高，涤纶未拉伸丝的中空度有所下降。
Hollowness of the hollow polyester UDY increased after cool drawing, decreased after heat drawing, and was down a little while increasing drawing ratio.
聚酯在高速纺丝过程中，施以不同的拉伸倍数与温度，会造成纤维结晶度与取向度的变化，从而影响纤维的物理性能。
While polyester fiber is subject to different draw ratio and heating temperature during high speed spinning, its original molecular orientation and crystallinity of polyester fiber are changed.
本文采用定性和定量的测试手段，着重研究了拉伸倍数和中空硬弹聚丙烯单丝中微孔结构的关系。试验发现，该单丝的微孔结构与拉伸倍数有关。
By means of qualitative and quantitative methods, the relationship between drawn ratio and microporous structure of hollow hard elasticity IPP (HHEIPP) monofilament is investigated.
随着拉伸倍数提高，纤维经松弛状态下热处理后，其熔融峰数目由1个变为2个；而经部分张力和张力状态下热处理后，其熔融峰数目均由1个变为3个。
The number of melting peaks was increased from 1 to 2 with the increase of draw ratio after heat treatment under relaxation and from 1 to 3 after heat treatment under partial tension or full tension.
随着紫胶用量的增加，膜的溶胀倍数、水蒸气透过系数先降低后变化不大，而拉伸强度上升；
With the increase of lac dosage, solvent swell and water vapor permeability decreased first followed by insignificant change, while tensile strength increased.
随着紫胶用量的增加，膜的溶胀倍数、水蒸气透过系数先降低后变化不大，而拉伸强度上升；
With the increase of lac dosage, solvent swell and water vapor permeability decreased first followed by insignificant change, while tensile strength increased.
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