| 表面活性剂对酶与明胶作用体系的影响 |
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| 引用本文： | 左秋,陈武勇,王玄,Petr Hlavacek. 表面活性剂对酶与明胶作用体系的影响[J]. 中国皮革, 2010, 0(11) |
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| 作者姓名： | 左秋 陈武勇 王玄 Petr Hlavacek |
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| 作者单位： | 四川大学制革清洁技术国家工程实验室;捷克Tomas Bata大学工程学院; |
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| 基金项目： | 国际合作重点项目(2006DFA41010) |
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| 摘 要： | 为了正确将表面活性剂使用到制革的酶处理工序中,本试验分别在胰酶和AS1.398酶溶液中添加质量浓度10%的明胶和不同量的十二烷基苯磺酸钠(阴离子型表面活性剂)、十二烷基三甲基氯化铵(阳离子型表面活性剂)和平平加O(非离子型表面活性剂),来测定不同表面活性剂对酶活力和明胶水解程度的影响。试验表明:3种表面活性剂对酶活均起到激活作用;但添加阴离子型表面活性剂后,明胶的水解程度提高。为了探究它们在溶液中所起的主导性作用,在试验第二步,将3种表面活性剂加入到质量浓度0.4%明胶+酶的混合液中,研究混合液在37℃时的Zeta电位的变化。试验表明:加入阴离子型,Zeta电位的绝对值提升;加入阳离子型,Zeta电位从负变为正;加入非离子型,Zeta电位绝对值降低。结合实际制革生产中对皮革高性能的要求,研究表明:在进行酶软化时,应优先选择非离子型表面活性剂。
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| 关 键 词： | 制革 明胶 表面活性剂 酶活力 Zeta电位 |
Influence of Surfactants on Enzyme and Gelatin Hydrolysis |
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| Zuo Qiu,Chen Wuyong,Wang Xuan,Petr Hlavacek. Influence of Surfactants on Enzyme and Gelatin Hydrolysis[J]. China Leather, 2010, 0(11) |
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| Authors: | Zuo Qiu Chen Wuyong Wang Xuan Petr Hlavacek |
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| Affiliation: | Zuo Qiu1,Chen Wuyong1,Wang Xuan1,Petr Hlavacek2 (1.National Engineering Laboratatory for Clean Technology of Leather Manufactors,Sichuan University,Chengdu 610065,China,2.Tomas Bata University,Faculty of Technology,Nam. TGM275,762 72 Zlin,Czech Republic) |
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| Abstract: | Sodium dodecylsulfate(an anionic surfactant), dodecyl trimethylammonium chloride (a cationic surfactant), Peregal O(a nonionic surfactant) of various dosages and 10 wt.% gelatin were added in pancreatic enzyme and AS1.398 enzyme liquor respectively to study the effect of these three surfactants on enzyme activity and the degree of gelatin hydrolysis. Results indicate that the activity of enzymes improves after adding the three surfactants, however, the gelatin hydrolysis is accelerated after adding anionic ... |
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| Keywords: | leather making gelatin surfactant enzyme activity Zeta potential |
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