直接纺

直接纺90dtex/144f超细旦涤纶POY工艺研究

Research on Technology of Melt Direct Spinning Super Fine Polyester 90 dtex / 144 f POY

介绍了熔体直接纺84dtex/36fFDY扁平丝试验和生产。

The test and production of melt direct spinning of 84 dtex / 36 f flat FDY was introduced .

聚酯熔体直接纺微细旦POY生产可行性研究

Production Feasibility Study on PET Micro-fine Denier POY by Melt Direct Spinning

直接纺涤纶FDY扁平丝的工艺探讨

Discussing of flat filament polyester FDY in direct spinning

直接纺110dtex/144f涤纶FDY纺丝工艺探讨

Exploitation of 110 dtex / 144 f PET filament by direct spinning of polyester

采用直接纺工艺路线，对90dtex/144f超细旦涤纶POY的生产工艺进行了研究。

By melt direct spinning , the technology of 90 dtex / 144 f super fine polyester POY was studied .

在原PET熔体直接纺长丝装置的基础上进行改造，摸索了一套生产110dtex/144fFDY差别化长丝的工艺，并且对影响该FDY品种质量的因素进行了探讨。

The original direct spinning equipment was reformed , Suitable process technology of differential FDY 110dtex / 144f is found , and the effection on filament quality is discussed and analyzed .

这些孔的形成可以用相分离理论来解释。然后，通过滴铸聚乙烯亚胺（PEI）的方法，对直接纺到QCM电极上的PS纳米纤维膜进行功能化修饰。

What is more , the formation of the porous structure can be explained by phase separation theory . Then , modification of the PS nano fibrous membrane was realized by drop-casting of polyethyleneimine ( PEI ) .

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 .

简要介绍了从德国Zimmer公司引进的10万吨/年聚酯熔体直接纺长丝生产装置，并讨论了在熔体直接纺生产过程中，影响FDY成品质量的主要因素。

The 100,000 t / a PET direct spinning line from Zimmer Co. Germany is introduced . Moreover , The polyester FDY pro-ducted by the process and the main factors that affect the quality of FDY products are discussed .

仪化公司现有的直接纺涤纶短纤维生产线是80年代初建成投产，单线设计生产能力为50t／d，经过多年增容改造，生产能力已达60t／d。

The staple fiber lines of the company have set up at the beginning of 80 's , the design throughput of the single line is 50 t / d , the actual throughput of the single line already increased to 60 t / d by reforming for years .

大容量直接纺长丝的质量控制

The quality control for large capacity direct spinning of PET filaments

150t/d直接纺涤纶短纤维技术介绍

Recommend on 150 t / d and Direct-spinning Polyester Staple Technology

大容量短丝直接纺熔体输送工艺探索

Exploration of Melt Feeding Process of Large Capacity Stable Fiber Direct Spinning

连续聚合直接纺聚酯长丝方法

The contineous polymerization and direct spinning of polyester filaments

大容量直接纺涤纶短纤维装置技术新进展

The new development on large scale and direct spinning polyester staple equipment technology

大容量涤纶长丝直接纺生产线生产技术特性

Production and technical characters of direct spinning line of polyester filament in large capacities

直接纺聚酯熔体流变行为的动态模拟分析

Dynamic simulated analysis on rheological action of PET polymer melt in direct spinning process

分析在熔体直接纺过程中，熔体原料、工艺流程等因素对成品丝匀染率的影响；

The factors such as raw melt PET 、 process etc. on influence of the rate of even dyeing are analyzed in direct spinning process .

指出大容量、低成本、直接纺、柔性化、多品种方向发展是国内大容量聚酯企业的出路。

It was pointed out that " large capacity , low cost , direct spinning , flexible and multi-variety " development was the optimization of the large capacity polyester enterprise in China .

在熔体直接纺长丝生产中，熔体输送温度和时间的变化会影响熔体在输送过程中的降解量，最终影响长丝产品质量。

During process of melt direct-spinning production , the quantity of heat destruction in translation was affected by changes of Load , environmental temperature ect . Finally the product quality was affected .

近年来大容量聚酯熔体直接纺长丝发展迅速，其特点是工艺流程短、高效、节能、产量大，产品的品质稳定，既有经济规模，又有先进技术，因而备受投资者青睐。

In recent years , large-capacity polyester direct spinning filament has developed rapidly due to its short process , efficiency , energy-conservation and stability . Because of the large economic scale and advanced technology , it is very popular with the investors .

经过二年多的实践，证明其改造方案是正确的，为上海石化大容量熔体直接纺短纤维的增容提供了可行的设计和工艺控制基础。

The reforming scheme was proved to be correct through the practice of more than two years , which provided practical design and foundation of process control for capacity increase of large capacity melt direct spinning stable fibers of Shanghai Petrochemical Co. , Ltd.

应用数学模型作理论推导，得出我国目前切片纺长丝起始生产规模为5000吨/年，合理规模经济为2万吨/年；直接纺长丝起始规模为1万吨/年。

The results derived theoretically by a mathematical model showed the elemental production scale is 5000t / Y and reasonable economical scale is 20000t / Y for chip spinning while the elemental production scale is 10000t / Y for direct spinning in our country at present .

从中空纤维生产的工艺要求出发，对15kt/a直接熔纺涤纶短纤维装置进行了必要和可选的设计改造。

The necessary and optional modifications were made to the 15 kt / a PET staple direct spinning line per production process of hollow fiber .