CAJ | 학술논문

对尚未干燥过的初生Lyocell纤维进行交联处理,并分析了各种交联条件下所制得的Lyocell纤维的原纤化性能.研究结果表明,交联剂的浓度及浸润时间、碱剂的浓度及处理时间都会对控制最终纤维的原纤化程度产生一定的影响.在研究范围内,当交联剂的体积质量浓度为40 g/L、浸润时间为40 min,且碱剂的体积质量浓度为30g/L、处理时间为30 min时,最终所得Lyocell纤维的抗原纤化能力比未处理的普通Lyocell纤维提高了约7倍,由此表明交联处理是提高Lyocell纤维抗原纤化性能的一种有效途径.对纤维微观结构的分析结果进一步表明,经交联处理后,Lyocell纤维的基纤及基纤聚集柬的尺寸减少且含量增加,这是导致纤维抗原纤化能力提高的关键结构原因.
대상미간조과적초생Lyocell섬유진행교련처리,병분석료각충교련조건하소제득적Lyocell섬유적원섬화성능.연구결과표명,교련제적농도급침윤시간、감제적농도급처리시간도회대공제최종섬유적원섬화정도산생일정적영향.재연구범위내,당교련제적체적질량농도위40 g/L、침윤시간위40 min,차감제적체적질량농도위30g/L、처리시간위30 min시,최종소득Lyocell섬유적항원섬화능력비미처리적보통Lyocell섬유제고료약7배,유차표명교련처리시제고Lyocell섬유항원섬화성능적일충유효도경.대섬유미관결구적분석결과진일보표명,경교련처리후,Lyocell섬유적기섬급기섬취집간적척촌감소차함량증가,저시도치섬유항원섬화능력제고적관건결구원인.
In this paper,the never dried as-spun Lyocell fibers were cross-linked by dipping in various concentrations of crosslink agent and then dipping in various concentrations of alkali agent for different time.It was found that after dipping in the crosslink agent of 40 g/L for 40 min and then dipping in alkali agent of 30 g/L for 30 min,the wet friction value of resultant Lyocell fiber could reach 397 s,which is about 7 times higher than that of common Lyocell fiber.The results show that the fibrillation of Lyocell fiber call be effectively decreased by cross-link treatment.The CP/MAS ~(13)C-NMR results indicate that in the Lyocell fiber the sizes of elementary fibril and elementary fibril cluster are decreased and their contents are increased by cross-link treatment,which result in improvement of the property against fibrillation of Lyocell fiber.