羽毛角蛋白/海藻酸钠共混膜的交联改性

doi:10.16085/j.issn.1000-6613.2017-2236

化工进展 ›› 2017, Vol. 36 ›› Issue (S1): 572-577.DOI: 10.16085/j.issn.1000-6613.2017-2236

羽毛角蛋白/海藻酸钠共混膜的交联改性

何明¹, 窦瑶¹, 尹国强², 崔英德^1,3

1. 西北工业大学材料学院, 陕西西安 710072;
2. 仲恺农业工程学院化学化工学院, 广东广州 510225;
3. 广州科技职业技术学院, 广东广州 510550

收稿日期:2017-10-27 出版日期:2017-12-31 发布日期:2017-12-13
通讯作者: 尹国强,教授。
作者简介:何明(1984-),男,博士研究生。E-mail:heming1026@163.com。
基金资助:
国家自然科学基金（21176269）、广东省自然科学基金（2016A030313371）及广州市科技计划（201704030130）项目。

Crosslinking modification of feather keratin/sodium alginate blend films

HE Ming¹, DOU Yao¹, YIN Guoqiang², CUI Yingde^1,3

1. School of Material Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, China;
2. College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, Guangdong, China;
3. Guangzhou Vocational College of Science and Technology, Guangzhou 510550, Guangdong, China

Received:2017-10-27 Online:2017-12-31 Published:2017-12-13

摘要/Abstract

摘要： 以山梨醇为增塑剂，乙二醛、戊二醛或自制的双醛海藻酸钠（ADA）为交联剂，采用浇铸法制备了交联改性的羽毛角蛋白（FK）/海藻酸钠（SA）共混膜，研究了交联改性对共混膜结构和性能的影响。FTIR分析证实了交联反应的发生，SEM结果表明，经过交联改性的共混膜内部结构更加致密。性能测试结果表明，交联改性后共混膜的热稳定性和阻湿性增强，透光性减弱，断裂伸长率减小。乙二醛、戊二醛交联时膜的抗拉强度增加，ADA交联时膜的抗拉强度减小。

关键词: 羽毛, 角蛋白, 蛋白膜, 共混, 交联

Abstract: Crosslinked and sorbitol-plasticized feather keratin (FK)/sodium alginate (SA) blend films were prepared by the casting process, using glyoxal, glutaraldehyde, or alginate dialdehyde (ADA) as crosslinker. The effects of crosslinking modification on the structure and properties of the blend films were investigated. FTIR analysis confirmed the crosslinking reaction in the process of modification. SEM results showed that crosslinking made the microstructure of the blend films more compact. After crosslinking, the thermal stability and moisture resistance of the blend films were enhanced, the transmittance and the elongation at break decreased. The tensile strength increased when crosslinked with glyoxal or glutaraldehyde, and decreased when crosslinked with ADA.

Key words: feather, keratin, protein films, blends, crosslinking

中图分类号:

O636.9
TB324

何明, 窦瑶, 尹国强, 崔英德. 羽毛角蛋白/海藻酸钠共混膜的交联改性[J]. 化工进展, 2017, 36(S1): 572-577.

HE Ming, DOU Yao, YIN Guoqiang, CUI Yingde. Crosslinking modification of feather keratin/sodium alginate blend films[J]. Chemical Industry and Engineering Progress, 2017, 36(S1): 572-577.

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羽毛角蛋白/海藻酸钠共混膜的交联改性

Crosslinking modification of feather keratin/sodium alginate blend films

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