成人在线免费观看,精品人伦一区二区三区,中文字幕亚洲欧美,日本三级在线,国产?日韩?欧美?中文?在线播放,伊人春色网站,亚洲天堂一区,日韩高清中文字幕

[What affects the tension of polypropylene high strength yarn?]
Release date:[2024/10/10] Read a total of [77] time

In the test spinning process, it was found that under the same process conditions, the melting index of raw materials was different, and the strength of the finished silk was different, and showed a certain regularity.


Under the same spinning temperature, the same drawing multiple and the same process parameters, the lower the melt index of polypropylene slice, the higher the strength of polypropylene high strength yarn.


What are the factors that affect the tension of polypropylene high strength yarn?


1. The influence of tensile ratio


The tensile process of the primary fiber destroys the original structural form of the primary fiber and generates a new order structure. Under the action of tensile stress and thermal effect, the activity of macromolecular chain segments increases, and various structural units gather along the axial orientation of the fiber, rearrange and add new binding points, so that more molecular chains of the fiber are in a particularly good stress bearing state. The regularity of the three-dimensional structure (that is, crystallization) is produced, and the fiber density increases with the increase of the tensile multiple.


The strength of the fiber increases with the increase of the tensile ratio, and the tensile ratio contributes more to the strength of the fiber.


2. Influence of melting index


The melting index of the raw material indicates the molecular weight of the raw material to a certain extent, and the amount of fiber increases under the same process conditions. When the molecular entanglement is large, the strength of the stretched fiber increases with the increase of molecular weight, and when the molecular weight is low, it is easy to produce slip between molecular chains, which is manifested in the decrease of fiber strength. In the process of polypropylene high-strength silk spinning, several raw materials with different melt indices are used.


"Hongyang" brand polypropylene high strength yarn products have small color difference, good color fastness, high strength, and are widely used in decorative belts, safety belts, marking lines, etc.The company's main product:  polypropylene high strength yarn , polypropylene filament, polypropylene air change yarnpolyester air change yarnribbon.

Taixing Hongyang New Materials Technology Co., Ltd. has consistently adhered to the "excellent quality, customer first, quality service, adhere to the contract," the purpose, with high-quality products, good reputation, selling the country. Wholeheartedly with the domestic business win-win cooperation and common development!


Relevant keywords:
About Hongyuan
Team Style
Enterprise Honor
Recruitment
Product Center
Polypropylene high strength wire
Ribbon
Air Change Wire
News Center
Industry information
Company News
Contact Us
Unified Service Hotline: 0086-0523-87367699
All rights reserved Taixing Hongyang New Material Technology Co., Ltd.
Technical Support::China polypropylene network
遵义县| 宜城市| 鸡东县| 永靖县| 驻马店市| 吉首市| 广德县| 府谷县| 板桥市| 张家川| 曲靖市| 福鼎市| 淮阳县| 且末县| 宁乡县| 平山县| 伊春市| 乐山市| 新宾| 临猗县| 淮北市| 电白县| 许昌县| 津市市| 濉溪县| 宁陕县| 霍林郭勒市| 高淳县| 游戏| 徐汇区| 岱山县| 宜黄县| 蓝田县| 四会市| 三门县| 中卫市| 额济纳旗| 简阳市| 巴彦县| 松原市| 福鼎市|