再生纤维素纤维纱线特点和浆纱生产
2022-11-25 15:54:17   来源：   评论：0 点击：

  关键词：再生纤维素纤维；粘胶；莱赛尔；莫代尔；竹浆纤维；浆纱；回潮率；伸长率
中图分类号：TS107.2          文献标志码：B          文章编号：1001-9634(2022)S1-0039-04
 
收稿日期：2021-11-29
作者简介：曾社平（1967—），男，湖北孝感人，工程师，主要从事纺纱技术研究及产品质量控制等方面的工作。
   
Abstract:In order to ensure that the yarn weaving process of regenerated cellulose fiber goes smoothly and the cloth surface quality is good，the structural characteristics，physical performance index and compact spinning yarn properties of four common regenerated cellulose fibers including ordinary viscose，lyocell，modal and bamboo pulp fiber are introduced.The selection of slurry，PVA and other sizing materials for yarn sizing，the setting of sizing process parameters and the key points of sizing production and operation are analyzed.The sizing quality indexes of compact spinning 14.8 tex，9.8 tex and 7.4 tex warps are compared and analyzed.It is pointed out that there are great differences in structural characteristics and physical performance index between regenerated cellulose fiber and cotton fiber，and we should choose low viscosity modified starch for yarn sizing,with appropriate amount of partial alcoholysis PVA，polyacrylate，etc.The key to stabilize sizing quality and ensure smooth weaving is to ensure the strong penetration of the sizing in the yarn and strictly control the moisture regain，drying temperature and elongation in each area，so as to reduce the brittleness caused by excessive elongation and drying of the yarn.At the same time，the starting operation must be fast，and the threading and skeining must be stable and accurate.
Key Words:regenerated cellulose fiber；viscose；lyocell；modal；bamboo pulp fiber；sizing；moisture regain；elongation.
 
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