摘要
为提升数码印花用棉织物前处理质量,采用α-淀粉酶通过浸渍法对纯棉细平布进行退浆处理,分析退浆温度、酶浓度、pH值、钙离子浓度、渗透剂浓度对退浆效果的影响,并以分段法表征织物在退浆、精练-漂白一浴工序的失重情况。结果表明:淀粉酶最优退浆工艺为α-淀粉酶质量浓度3 g/L、氯化钙质量浓度5 g/L、渗透剂JFC质量浓度2 g/L、处理液pH值6、温度90℃、保温30 min、浴比40∶1。淀粉酶退浆及精练-漂白一浴的棉织物几乎可以达到与碱处理棉织物同样的效果,且织物强力无太大损伤。分别将α-淀粉酶退浆及碱退浆后的前处理棉织物应用于数码印花,酶退浆后的棉织物印制颜色鲜艳、色光纯正,耐摩擦色牢度良好,且K/S值无较大影响。
To improve the pretreatment quality of cotton fabric for digital printing,theα-amylase was used to desize cotton fine plain cloth by impregnation method.The effect of desizing temperature,enzyme concentration,pH value,calcium ion concentration,osmotic concentration on desizing effect was analyzed.The weight loss of the fabric in one bath process of desizing,scouring and bleaching was characterized by subsection method.The results show that the optimum amylase desizing process is enzyme concentration 3 g/L,chlorination calcium 5 g/L,penetrant JFC 2 g/L,treatment solution pH value 6,temperature 90℃,holding time 30 min,bath ratio 40∶1.Amylase desizing and scouring-bleaching one bath cotton fabric can almost achieve the same effect as the alkali treated cotton fabric,and the fabric strength is not too much damaged.Pretreated cotton fabrics after amylase desizing and alkali desizing are applied to digital printing respectively,and the cotton fabric after amylase desizing has bright color,pure light,good color fastness to friction,with no significant influence on K/S value.
作者
刘帆
谭艳君
霍倩
王继业
钟露华
李勇强
LIU Fan;TAN Yanjun;HUO Qian;WANG Jiye;ZHONG Luhua;LI Yongqiang(School of Textile Science and Engineering,Xi’an Polytechnic University,Xi’an 710048,China;Transformation Center for Scientific and Technological Achievements,Xi’an Polytechnic University,Xi’an 710048, China)
出处
《纺织高校基础科学学报》
CAS
2021年第1期15-20,26,共7页
Basic Sciences Journal of Textile Universities
基金
陕西省重点研发计划项目(2019GY-166)
西安工程大学柯桥纺织产业研究院暨西安工程大学(柯桥)研究生创新学院产学研协同创新项目(19KQZD09)。
关键词
Α-淀粉酶
退浆
失重率
数码印花
色光
α-amylase
desizing
weight loss rate
digital printing
coloured light
作者简介
第一作者:刘帆(1995—),男,西安工程大学硕士研究生;通信作者:谭艳君(1963—),女,西安工程大学教授,研究方向为功能纤维、染整化学助剂及新型功能纤维的染色及印花,E-mail:448720091@qq.com。
