ABSTRACT

Dichlorotriazine reactive crosslinker has been used to reduce the fibrillation of Lyocell. The fibrillation propensity and mechanism of 4, 6-dichloro-2-sodium dioxy-1, 3, 5-triazine treatment on Lyocell fibers were studied, and the mechanical properties and dyeing properties of the treated Lyocell fibers were evaluated. The results showed that the three-step reaction process can make lyocell have more uniform behavior of decreased fibrillation propensity, in which the first step is physical mixing of triazine and cellulose, the second and third steps are the stepwise reactions of cellulose with two chlorines of Dichlorotriazine under different conditions, respectively. At the end of the reaction, non-fibrillating Lyocell fibers were produced. In addition, the structure, mechanical properties and dyeing properties of the Lyocell fibers were not affected by the cross-linking chemical reaction process. In conclusion, this study provides a better uniform effect and economically reasonable route for the preparation of commercial non-fibrillating Lyocell fibers.

摘要

二氯三嗪反应性交联剂已被用于减少莱赛尔纤维的原纤化。研究了4, 6-二氯-2-二氧-1, 3, 5-三嗪处理莱赛尔纤维的原纤化倾向和机理，评价了处理后莱赛尔纤维的力学性能和染色性能。结果表明，三步反应过程可以使莱赛尔具有更均匀的降低原纤化倾向的行为，其中第一步是三嗪与纤维素的物理混合，第二步和第三步是纤维素与双氯的逐步反应二氯三嗪在不同条件下的分别。在反应结束时，产生了非原纤化莱赛尔纤维。此外，结构，Lyocell 纤维的机械性能和染色性能不受交联化学反应过程的影响。综上所述，本研究为制备商用非原纤化莱赛尔纤维提供了更好的均一效果和经济合理的途径。