纺织高校基础科学学报2024，Vol.37Issue(2)：62-71,10.DOI:10.13338/j.issn.1006-8341.2024.02.007
基于响应面法优化脂肪酶水解涤纶织物工艺
Optimization of the process for polyester fabric with enzymatic hydrolysis based on response surface method
摘要
Abstract
Enzymatic treatment is a green and environmentally friendly method used to improve the hydrophilicity of polyester fabric in polyester modification.This article aimed to enhance the hydrolysis of polyester fabric by altering the reaction conditions of porcine pancreatic lipase(PPL)hydrolysis,including reaction temperature,reaction pH,enzyme dosage,and reaction time,as well as the addition of surfactants.The experiments were evaluated by Box-Behnken optimization test based on single-factor test using the release of hydrolysis products as an evaluation index.The results show that the factors affecting the hydrolysis of polyester fabric by PPL are reaction time(24 h)＞surfactant(Tween 80,2.5 g/L)reaction temperature(60 ℃)enzyme dos-age(80 U/mL)＞pH(7).The optimal hydrolysis process conditions optimized by the model were as follows:the reaction temperature 59 ℃,pH 6.6,enzyme dosage 67 U/mL,reaction time 31.2 h,surfactant mass concentration 2.1 g/L,and the theoretical hydrolysis product 531.862 mg/L.The relative error between the experimental and predicted values under the opti-mum conditions is 5.3％.Under this condition,the water contact angle of treated fabric surface decreases by 19.8％,and the mechanical properties are better.关键词
涤纶/猪胰脂肪酶/水解/亲水性/表面活性剂/响应面设计Key words
polyester/porcine pancreatic lipase/hydrolysis/hydrophilicity/surfactant/response surface design分类
轻工纺织引用本文复制引用
陆佳佳,傅佳佳,李蓉,卢雨正,ARTUR Cavaco-Paulo..基于响应面法优化脂肪酶水解涤纶织物工艺[J].纺织高校基础科学学报,2024,37(2):62-71,10.基金项目
国家重点研发计划(2019YFA0706900) （2019YFA0706900）
国家自然科学基金面上项目(31470509) （31470509）
江苏省政策引导类计划项目(BZ2020010) （BZ2020010）
