熔体纺丝

阐述了采用静电纺丝和熔体纺丝法制备含纳米粉体功能性纤维的方法及其研究现状。

The methods and developments of fabricating functional fibers containing nanoparticles by electrospinning and melt spinning were reviewed .

丙纶是聚丙烯纤维的商品名称，它是由丙烯作原料经聚合、熔体纺丝制得的纤维。

Polypropylene is the trade name of polypropylene fiber , which is by the polymerization of propylene as raw material by the melt spinning of fibers obtained .

低粘度熔体纺丝工艺参数的初探

Studies on the spinning process parameters of low viscosity melt

将数值模拟结果与熔体纺丝实验结果具有良好的一致性。

Compared with the melt spinning results , the simulation results is full compliance .

中介相沥青液晶熔体纺丝

Liquid crystalline melt spinning of mesophase pitch

采用变频调速系统可以满足熔体纺丝对电气传动的要求。

By using the frequency converting speed regulating system the requirements of melt spinning on electric transmission were satisfied .

聚乳酸纤维与聚酯纤维都可由熔体纺丝法制得，是合成纤维中性能较为相近的两类纤维。

Polylactic acid fiber and polyester fiber are two kinds of synthetic fibers with similar properties and both can be made by using melt-spinning method .

传统的纺丝技术干纺、湿纺、熔体纺丝、胶体纺丝等生产的纤维直径在几到几百微米的范围内。

Meanwhile , the diameter of fibers produced by traditional way , such as dry spinning , wet spinning , melt spinning and gel spinning , is in the range of several to several hundred micrometers .

探讨了PET酯化、聚合生产过程对熔体直接纺丝的影响。

The effect of PET production on melt direct - spinning is discussed .

本研究即为采用熔体直接纺丝装置进行多孔细旦产品的开发生产。

This thesis is focused on below aspects in direct-spinning production of porous & fine denier-filament .

而熔体静电纺丝则不会存在类似的问题，因而相比前者具有更好的发展空间。

While the melt electro spinning can avoid these problems , thus it has more development space compared to the solution electro spinning .

本文基于熔体静电纺丝的实验研究，利用现有自行研制的熔体静电纺丝设备，结合高速摄像技术，成功搭建了实验用熔体静电纺丝高速摄像观测平台。

With the self developed melt electro spinning devices combined with high speed video technology , the experimental melt electro spinning high speed video observation platform has been successfully built .

从熔体输送和纺丝工艺条件分析、探讨影响PET直纺FDY满卷率的因素。

The factors affecting full-package rate of direct-spun PET FDY were analyzed and discussed from the aspects of melt transfer and process conditions .

结合熔体输送、纺丝温度、纺丝组件、缓冷器应用、冷却、集束及上油工艺条件，在常规熔体直接纺生产线上成功地生产出高质量微细旦POY。

Combined with the melt transfer , spinning temperature , spinning package , quench air blow , cluster and the finish process conditions , high quality of micro-fine denier POY could be successfully produced on convention melt direct spinning production line .

介绍了138dtex/96f涤纶细旦POY的生产技术，并对纺前切片要求、干燥、熔体过滤、纺丝温度、喷丝孔径、侧吹风、集束上油、纺丝速度等工艺进行了详细的探讨。

Technology of producing micro-POY 138dtex / 96f polyester is introduced . The process factors are discussed such as the polymer chip selection and drying , melt filtration , spinning temperature , spinneret diameter , quenching lateral blow and tow collecting oiling technologies etc.

在纺丝过程中，要严格控制煤沥青熔体的粘度、纺丝温度、压力、卷绕速度等主要参数。

The main parameters of viscosity , spinning temperature , pressure and winding velocity for coal tar pitch fluid should be rigidly controlled during spinning .

简要叙述了部分熔体直纺工艺熔体输送及纺丝的过程，并对生产中的主要控制做了说明；

The melt conveying and spinning process of part melt-direct spinning technology was recounted briefly . The main control point in the production was explained .

讨论了聚酯熔体中杂质颗粒、熔体温度、纺丝组件、侧吹风速度、上油方式、拉伸倍数与热辊温度等因素对涤纶细旦丝的影响。

The effects of impurity particles in polyester melt , melt temperature , spin pack , cross air blow speed , oiling method , draw ratio and heat roll temperature on the quality of fine denier PET fiber were discussed .

发现其最佳工艺为：熔体粘度波动控制在±0.004，熔体输送温度和纺丝温度均比常规丝高3~5℃，熔体过滤精度为10μm；

The melt relative viscosity is controlled in ± 0.004.The melt transfer and spinning temperature is higher of 3-5 ℃ than normal specification PET POY . Melt filtrating precision is 10 μ m.

控制好熔体输送温度和压力，缩短停留时间，保证熔体质量是纺丝成功的前提；

The prerequisite of obtaining high-class quality fine-denier PET FDY is controlling polymer-melt transporting temperature and pressure , shortening delay time and ensuring polymer-melt quality .

论文详细分析了熔体挤出成形过程，把温度依赖粘度变化的Arrhenius模型、微分粘弹性PPT模型和流动诱导结晶模型应用于描述纺丝熔体挤出拉伸成型，使得熔体纺丝模型更符合实际。

The Arrhenius model , differential viscoelastic model-PPT model and flow-induced crystallization model are applied to describe the spinning melt extrusion stretch forming , which makes the melt spinning model more accurate and more practical .