碱性淀粉酶在棉机织物汽蒸退煮一步工艺中的应用印染（2024No.2）碱性淀粉酶在棉机织物汽蒸退煮一步工艺中的应用孙志扬1，余圆圆1，龙方胜2，王强1，王平1，钱龙杰2()1.江南大学纺织科学与工程学院，江苏无锡214122；2.浙江美欣达纺织印染科技有限公司，浙江湖州313000摘要：采用碱性淀粉酶JN20/精练酶BioPrep®Fusion复配对棉织物进行汽蒸退煮一步前处理，优化工艺为：碱性淀粉酶JN200.5g/L、精练酶BioPrep®Fusion10g/L、酶液pH8、轧酶温度60℃、汽蒸温度80℃、汽蒸时间60min。采用该工艺处理的织物退浆率达98.25%，退浆等级8级，果胶去除率为85.26%，毛效可达14.6cm，退浆和精练效果都非常好。相较于碱法煮练工艺，碱性淀粉酶JN20/精练酶BioPrep®Fusion复配汽蒸退煮一步工艺对织物强力损伤更小。关键词：退煮一步法；汽蒸；碱性淀粉酶；精练酶；棉织物中图分类号：TS192.5文献标志码：ADOI：10.3969/j.yinran.202312012Applicationofalkalineamylaseinone-stepsteaminganddesizingofcottonwovenfabricSUNZhiyang1,YUYuanyuan1,LONGFangsheng2,WANGQiang1,WANGPing1,QIANLongjie2æèççöø÷÷1.SchoolofTextileScienceandTechnology,JiangnanUniversity,Wuxi214122,China;2.ZhejiangMeixindaTextilePrintingandDyeingTechnologyCo.,Ltd.,Huzhou313000,ChinaAbstract:CottonfabricistreatedwithalkalineamylaseJN20/scouringenzymeBioPrep®Fusioncomplexinone-stepsteaminganddesizingprocess.TheoptimizedprocessisalkalineamylaseJN200.5g/L,scouringenzymeBioPrep®Fusion10g/L,enzymeliquorpH8,paddingenzymetemperature60℃,steamingtemperature80℃,steamingtime60min.Thedesizingandscouringeffectsofthefabrictreatedbythisprocessareverygood.Thedesizingrateis98.25%,thedesizinggradeis8,thepectinremovalrateis85.26%,andthecapillaryeffectis14.6cm.Comparedwithalkalinescouringprocess,alkalineamylaseJN20/scouringenzymeBioPrep®Fusioncombinedwithone-stepsteaminganddesizingprocesshaslessdamagetofabricstrength.Keywords:one-stepdesizingmethod;steaming;alkalineamylase;scouringenzyme;cottonfabric传统染整加工中，棉织物前处理流程分为退浆、精练、漂白三步工序，简称三步法[1]。其目的是去除织物上的天然杂质，如蜡状物质、含氮物质、果胶，以及加工过程中带来的二次杂质，如整经用浆料、合纤纺纱用油剂、尘埃...
