分析了T30S,Z30S两种切片及其纺丝拉伸等工艺对粗旦丙纶长丝不匀率的影响。
The effects of T30S and Z30S chips, spinning process and drawing process on yarn irregularity of coarse denier PP filament were analyzed.
纺丝过程中纤维皮层结构受到更大的拉伸取向作用,并在纤维表面出现一定游离原纤化结构。
A certain degree of free fibrillar structure was observed on the fiber surface due to the sheath structure of the fiber subjected to the greater drawing and orientation.
结果表明:随着磁粉含量的增加,磁性纤维的纺丝性能、拉伸性能、热性能下降。
The result showed that the spinning performance, drawing property and thermal property all decreased with the increase of magnetic particle content.
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.
并对生产所需的发光颜料性能及处理方法、聚丙烯改性和纺丝温度、拉伸、热定型等生产工艺进行了探讨。
Properties and treatment of the luminous pigment, modified PP and the process conditions such as spinning temperature, drawing, heating setting were investigated.
对熔融纺丝-冷却拉伸与热致相分离两种制备微孔聚丙烯中空纤维膜的意义、原理、过程、影响因素等进行了评述。
Microporous polypropylene hollow fibrous membranes may be prepared by the melt spinning and cold stretching (MSCS) or thermally induced phase separation (TIPS) method.
探讨纺丝组件、冷却条件及集束上油、缓冷区、拉伸工艺等条件对产品质量的影响。
The influence of process condition such as spinning pack, cooling condition, collection oiling, annealed zone, drawing condition etc on products quality were expounded.
又对该共聚酯的纺丝工艺和拉伸条件进行试验,得到了合适的纺丝和拉伸工艺,讨论了拉伸条件对纤维性能的影响。
By measuring spinning technology and drawing condition of the copolyester, suitable spinning conditions were obtained. And effects of drawing condition on properties of the fibers were discussed.
采用石蜡增塑高相对分子质量PE后纺丝并经高倍拉伸制备高强高模纤维。
A kind of high strength and high modulus fiber was prepared by melt spinning and drawing of high molecular weight polyethylene (HMWPE) plasticized by wax.
采用石蜡增塑高相对分子质量PE后纺丝并经高倍拉伸制备高强高模纤维。
A kind of high strength and high modulus fibre was prepared by means of plasticized melt spinning of high molecular weight polyethylene (HMWPE) with wax blend and high stretch ratio.
采用POY-DT生产工艺路线,在POY纺丝线和经改造的平衡拉伸机设备上生产出PTT长丝。
The PTT DT fiber was produced by POY spinning line and modified parallel drawing equipment.
采用非结晶聚酯切片制备高收缩涤纶短纤维,对切片干燥、纺丝、拉伸、定型等工艺进行了研究。
High shrinkage polyester staple was prepared by using amorphous polyester chip. The technology of drying, spinning, drawing and non-setting was studied.
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.
采用低速纺丝高倍后拉伸的工艺路线可以得到具有较好结构的PGA纤维。
The fairly good structure of PGA fiber can be obtained at low spinning velocity and high after-drawing ratio.
通过异形喷丝板的设计及特殊纺丝和后拉伸工艺生产了闪光扁平涤纶短纤维。
Shine and flat polyester staple fiber was produced by using profiled spinneret and special spinning and drawing process.
分析认为纺丝液的浓度、凝固浴组成与浓度、拉伸对丝纤维的物理与机械性能均有影响。
Fiber formation, appearance and properties at least depended on spin dope concentration, coagulation bath composition and concentration, and post-spinning draw.
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.
着重指出了ptt纤维生产在干燥、纺丝、卷绕、平行拉伸上和PET纤维的不同,并结合实例对POY—DT工艺的要求作了探讨。
The differences on drying, spinning, winding and parallel drawing between PTT fiber and PET fiber were pointed out. The production process of PTT DT was discussed.
重点讨论了纺丝温度、纺丝速度、侧吹风风速、上油、拉伸变形等工艺参数对产品质量的影响。
Discussion focus on the influences of technological parameters like spinning temperature, spinning speed, blowing rate, oil finishing as, well as texturing on the products quality.
研制成的HT - 6型高强涤纶纺丝油剂,经应用证实能满足高强涤纶纤维纺丝和拉伸工艺的要求。
The prepared Type HT-6 high tenacity polyester fiber finish is proved to be satisfactory to the process of spinning and drawing of high tenacity polyester fiber in practice.
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.
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.
选用熔融纺丝法制备PDLLA/HA复合纤维,探索了熔融纺丝过程中温度、挤出机转速、拉伸速率、加料速度和冷却速率等一系列工艺参数的选择及其影响因素。
PDLLA/HA composite fibers were produced by melt spinning, and the choices of the process parameters such as temperature, revolving speed and drawing speed etc were discussed.
还借助扫描电子显微镜(SEM)、热分析( DSC)、广角X射线衍射( WAXD)、声速等手段研究了UHMWPE熔纺丝在超拉伸过程中结构性能的变化。
The changing of the structure and properties of UHMWPE fibres during super drawing were studied by means of SEM, DSC, WAXD and sound pulsimeter.
合理选择POY的纺丝条件,以提高纺丝稳定性,改善POY结构,是制得质量优良的细旦聚酯拉伸丝的关键。
The rational selection of spinning condition so as to improve the spinning stability and structure of POY is the key point for production of fine denier polyester drawn yarn of high quality.
采用凝胶纺丝工艺制备了具有不同质量分数的超高分子质量聚乙烯凝胶纤维,并对其进行了萃取干燥和后拉伸等处理。
Ultrahigh molecular weight polyethylene fibers(UHMWPE) of different gel concentration were prepared using gel spinning process followed by solvent extraction, drying and drawing.
首先,用向上熔融纺丝和拉伸致孔法制得聚乙烯中空纤维膜。
At first, we produced the polyethylene microporous hollow fiber membrane by ascending melting filature and made micropore by drawing.
采用冻胶纺丝-超拉伸技术纺制了超高相对分子质量聚乙烯(UHMWPE)纤维。
Ultrahigh molecular weight polyethylene ( UHMWPE) fiber was prepared by gel spinning and ultra-drawing technology.
重点讨论了纺丝温度、冷却条件、给油给湿、拉伸工艺和纺丝速度等对纤维的分子结构和性能的影响。
We mainly focused on the impact of spinning temperature, cooling conditions, with oil and wet, stretching techniques and spinning speed on the molecular structure and performance.
重点讨论了纺丝温度、冷却条件、给油给湿、拉伸工艺和纺丝速度等对纤维的分子结构和性能的影响。
We mainly focused on the impact of spinning temperature, cooling conditions, with oil and wet, stretching techniques and spinning speed on the molecular structure and performance.
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