CN107313261A - 一种增强纤维素酶对棉织物生物抛光效果的方法 - Google Patents
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Abstract
本发明涉及一种增强纤维素酶对棉织物生物抛光效果的方法,属于纺织印染技术领域。本发明采用以下工艺:(1)在水中加入质量浓度为4‑6g/L的高碘酸钾并搅拌溶解,随后分别加入质量浓度为1g/L的氯化锂、2g/L的氯化钙和2g/L的氯化锌并搅拌溶解;(2)放入待处理棉织物,浴比控制在1:50,将溶液温度升至60℃并保温1小时;(3)将处理后棉织物从溶液中取出,充分水洗后进行纤维素酶生物抛光处理。本发明采用对棉织物进行氧化预处理的方式提高纤维素酶的水解效力,在保证生物抛光效果的同时能够有效降低纤维素酶的用量,降低生物抛光加工成本。
Description
技术领域
本发明涉及一种增强纤维素酶对棉织物生物抛光效果的方法,属于纺织印染技术领域。
背景技术
纤维素酶是催化水解纤维素、生成葡萄糖的酶的总称,是由多组分酶组成的酶系。棉织物生物抛光利用纤维素酶在一定机械力配合下去除表面的绒毛,使织物表面光洁、毛羽减少、抗起毛起球,具有柔软、蓬松等独特性能。棉织物生物抛光整理效果突出且对环境污染小,近年来得到快速的发展。
纤维素酶对棉织物的催化效率与底物结构和性质、纤维素酶来源、温度、pH值、浓度、作用时间、机械外力强度和化学助剂等有密切关系。由于纤维素酶的价格较高,研究者长期以来致力于采用不同的方式提高其催化效率,以期能够减少纤维素酶的添加量,降低生物抛光成本。
发明内容
本发明采用对棉织物进行氧化预处理的方式提高纤维素酶的水解效力,在保证生物抛光效果的同时能够有效降低纤维素酶的用量,降低生物抛光加工成本。
本发明采用以下工艺:
(1)在水中加入质量浓度为4-6g/L的高碘酸钾并搅拌溶解,随后分别加入质量浓度为1g/L的氯化锂、2g/L的氯化钙和2g/L的氯化锌并搅拌溶解;
(2)放入待处理棉织物,浴比控制在1:50,将溶液温度升至60℃并保温1小时;
(3)将处理后棉织物从溶液中取出,充分水洗后进行纤维素酶生物抛光处理。
首先,在水中加入质量浓度为4-6g/L的高碘酸钾并搅拌溶解,高碘酸钾的作用是将棉织物进行氧化,使部分羟基变为醛基。加入质量浓度为1g/L的氯化锂、2g/L的氯化钙和2g/L的氯化锌并搅拌溶解,这些物质的加入有助于疏松棉纤维的结构,协同增强高碘酸钾的氧化效果,缩短氧化时间。加入待处理的棉织物,浴比控制在1:50,将溶液温度升至60℃,在1小时内完成预处理过程。经上述协同处理后的棉织物可使纤维素酶蛋白的吸附量和水解效率都获得显著提高。最后,将处理后棉织物从溶液中取出,充分水洗以去除各种残留物,利用纺织用抛光纤维素酶对氧化预处理后的棉织物进行生物抛光处理。
具体实施方式
下面通过实施例和对比例进一步说明本发明。
实施例1
将棉织物(100g/m2)进行如下处理:在水中加入质量浓度为4g/L的高碘酸钾并搅拌溶解,随后分别加入质量浓度为1g/L的氯化锂、2g/L的氯化钙和2g/L的氯化锌并搅拌溶解;放入待处理棉织物,浴比控制在1:50,将溶液温度升至60℃并保温1小时;将处理后棉织物从溶液中取出,充分水洗后进行纤维素酶生物抛光处理。
对比例1
将同等棉织物(100g/m2)不进行氧化预处理,直接进行生物抛光处理,抛光纤维素酶用量与实施例1相同,其它抛光条件也一致。
经测定,实施例1所得棉织物的减量率为2.8%,对比例1所得棉织物减量率为1.9%;另外,实施例1所得棉织物抗起毛起球等级比对比例1所得棉织物高半级。这表明,在相同的生物抛光条件下,采用本发明方法可以提高纤维素酶的水解抛光效果。
实施例2
将棉织物(100g/m2)进行如下处理:在水中加入质量浓度为4g/L的高碘酸钾并搅拌溶解,随后分别加入质量浓度为1g/L的氯化锂、2g/L的氯化钙和2g/L的氯化锌并搅拌溶解;放入待处理棉织物,浴比控制在1:50,将溶液温度升至60℃并保温1小时;将处理后棉织物从溶液中取出,充分水洗后进行纤维素酶生物抛光处理。
对比例2
将同等棉织物(100g/m2)不进行氧化预处理,直接进行生物抛光处理,抛光纤维素酶用量比实施例2提高25%,其它抛光条件一致。
经测定,实施例2所得棉织物的减量率为2.8%,对比例2所得棉织物减量率为2.6%;另外,实施例2所得棉织物抗起毛起球等级与对比例2所得棉织物相同。这表明,在不降低生物抛光效果的情况下,采用本发明方法可以减少抛光纤维素酶的用量。
实施例3
将棉织物(320g/m2)进行如下处理:在水中加入质量浓度为6g/L的高碘酸钾并搅拌溶解,随后分别加入质量浓度为1g/L的氯化锂、2g/L的氯化钙和2g/L的氯化锌并搅拌溶解;放入待处理棉织物,浴比控制在1:50,将溶液温度升至60℃并保温1小时;将处理后棉织物从溶液中取出,充分水洗后进行纤维素酶生物抛光处理。
对比例3
将同等棉织物(320g/m2)不进行氧化预处理,直接进行生物抛光处理,抛光纤维素酶用量与实施例3相同,其它抛光条件也一致。
经测定,实施例3所得棉织物的减量率为3.3%,对比例3所得棉织物减量率为2.1%;另外,实施例3所得棉织物抗起毛起球等级比对比例3所得棉织物高1级。这表明,在相同的生物抛光条件下,采用本发明方法可以提高纤维素酶的生物抛光效果。
实施例4
将棉织物(320g/m2)进行如下处理:在水中加入质量浓度为6g/L的高碘酸钾并搅拌溶解,随后分别加入质量浓度为1g/L的氯化锂、2g/L的氯化钙和2g/L的氯化锌并搅拌溶解;放入待处理棉织物,浴比控制在1:50,将溶液温度升至60℃并保温1小时;将处理后棉织物从溶液中取出,充分水洗后进行纤维素酶生物抛光处理。
对比例4
将同等棉织物(320g/m2)不进行氧化预处理,直接进行生物抛光处理,抛光纤维素酶用量比实施例4高30%,其它抛光条件一致。
经测定,实施例4所得棉织物的减量率为3.3%,对比例4所得棉织物减量率为3.1%;另外,实施例4所得棉织物抗起毛起球等级与对比例4所得棉织物相同。这表明,在不降低生物抛光效果的情况下,采用本发明方法可以减少抛光纤维素酶的用量。
Claims (1)
1.一种增强纤维素酶对棉织物生物抛光效果的方法,其特征在于采用以下工艺:
(1)在水中加入质量浓度为4-6g/L的高碘酸钾并搅拌溶解,随后分别加入质量浓度为1g/L的氯化锂、2g/L的氯化钙和2g/L的氯化锌并搅拌溶解;
(2)放入待处理棉织物,浴比控制在1:50,将溶液温度升至60℃并保温1小时;
(3)将处理后棉织物从溶液中取出,充分水洗后进行纤维素酶生物抛光处理。
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CN105088780A (zh) * | 2015-08-22 | 2015-11-25 | 苏州正业昌智能科技有限公司 | 一种纳米银抗菌棉织物 |
CN105178037A (zh) * | 2015-10-12 | 2015-12-23 | 江南大学 | 一种阳离子化改性中性纤维素酶进行棉织物抛光整理的方法 |
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