The factors affecting the point-of-stretch of PET staple dry drawing process

1、

Pre-stretching process is an effective method to eliminate the quenching residual stresses.

预拉伸工艺是消除淬火残余应力的一种简单有效的方法。

互联网摘选

2、

Stretching process also had great effects on the microporous structure of PE hollow fiber membranes, it was indicated that the N2 permeation and porosity of the membranes both increased with the increases of stretching rate and ratio.

拉伸工艺对膜的结构和性能也有很大的影响，随着拉伸速率和拉伸比率的增加，PE中空纤维膜的透气率和孔隙率均增加。

互联网摘选

3、

Die Design and Drawing Technology Analysis for the Hemisphere Workpiece

半球形工件的拉伸工艺分析及模具设计

互联网摘选

4、

PVDF piezoelectric films were prepared by uniaxial stretching. The techniques of X-ray Diffraction and FTIR were used to analyze the microstructure of the films stretched under the different rate.

通过单轴拉伸工艺制备了PVDF压电薄膜，运用X射线衍射和FTIR分析技术分析了不同拉伸速率下薄膜的微观结构；

互联网摘选

5、

Computer Program Design for Disk-Drawing Technology Based on Visual Basic

基于VISUAL BASIC的圆盘拉伸工艺计算机程序设计

互联网摘选

6、

The process built a foundation to produce PLLA fibre by means of melt-filature.

以PLLA为原料，对聚乳酸熔融纺丝&热拉伸工艺进行了初步实验，为通过熔融纺丝方法制备聚乳酸纤维提供了依据。

互联网摘选

7、

The processes of extraction, drawing of as spun fibre of HMWPE/ wax blend were investigated and the structure and properties of stretched fibre were characterized.

该法研究了高相对分子质量PE和石蜡共混初生纤维的萃取拉伸工艺和拉伸纤维的结构性能。

互联网摘选

8、

The Draw Test of LF_ ( 21) Alloy Thick-wall Tube

LF（21）铝合金厚壁管的拉伸工艺试验

互联网摘选

9、

Usual Defects in Drawing Technics for Close-head and Reasons Analysis

封头拉伸工艺中常见缺陷及原因分析

互联网摘选

10、

Study on the drawing process of the UHMW-PE gel fiber

UHMW－PE冻胶丝超拉伸工艺的研究

互联网摘选

11、

The fabric is made by laminating common fabric, PTFE micro-porous film and liner with special technology and equipment.

PTFE微孔膜是采用特殊产品的双向拉伸工艺制成的。

互联网摘选

12、

Effect of stretching process on expanded PTFE membrane porous structure

拉伸工艺对膨体PTFE薄膜微孔结构的影响

互联网摘选

13、

The three main roles lie in fiber strength, toughness and resistance to split.

纤维的主要作用在于增强、增韧、阻裂三个方面.

互联网摘选

14、

Using the Lagrange approach, the stability of the fiber spinning flow is investigated.

应用拉格朗日方法研究了轴对称纺丝拉伸流动稳定性.

互联网摘选

15、

The company built in 2005, is engaged in the professional chemical fiber spinning enterprises.

公司建于2005年, 是从事化纤纺丝的专业企业.

互联网摘选

16、

Analysis of Thermal Insulation Characteristics of High-temperature Insulation Fiber Structure Materials

高温隔热纤维结构材料绝热特性分析

互联网摘选

17、

In neutral, oxidizing atmosphere, the long-term use can still maintain good tensile strength, toughness and fiber structure.

在中性、氧化气氛下长期使用时仍能保持良好的抗拉强度、韧性和纤维结构。

互联网摘选

18、

The influence of fiber structure on SERS performance is quantificationally studied.

定量分析了光纤微结构对SERS探针性能的影响。

互联网摘选

19、

Studies on optimization of fiber structure and doping method for high doping concentration Er-doped fiber

高掺杂铒光纤结构优化和掺杂方法的研究

互联网摘选

20、

The Relation Between Dyeing Modification of PET and Fiber Structure

涤纶的染色改性与纤维结构的关系

互联网摘选