原位交联羽毛角蛋白杂化膜的制备与性能表征

doi:10.3969/j.issn.0438-1157.2014.z1.070

化工学报 ›› 2014, Vol. 65 ›› Issue (S1): 433-440.DOI: 10.3969/j.issn.0438-1157.2014.z1.070

• 材料化学工程与纳米技术 • 上一篇下一篇

原位交联羽毛角蛋白杂化膜的制备与性能表征

邓湘文, 尹国强, 张步宁, 何明, 窦瑶, 王海洋

仲恺农业工程学院绿色化工研究所, 广东广州 510225

收稿日期:2013-12-23 修回日期:2014-02-27 出版日期:2014-05-30 发布日期:2014-05-30
通讯作者: 尹国强
基金资助:
国家自然科学基金项目（21176269）；广东省自然科学基金项目（10151022501000001）。

Preparation and properties of in-situ crosslinked feather keratin hybrid films with using γ-glycidoxypropyltrimeth oxysilane as crosslinking agent

DENG Xiangwen, YIN Guoqiang, ZHANG Buning, HE Ming, DOU Yao, WANG Haiyang

Institute of Green Chemical Engineering, Zhongkai University of Agriculture and Technology, Guangzhou 510225, Guangdong, China

Received:2013-12-23 Revised:2014-02-27 Online:2014-05-30 Published:2014-05-30
Supported by:
supported by the National Natural Science Foundation of China (21176269) and the Natural Science Foundation of Guangdong Province (10151022501000001).

摘要/Abstract

摘要： 以羽毛角蛋白粉（FK）、甘油和γ-（2，3-环氧丙氧）丙基三甲氧基硅烷（KH560）为原料，采用浇铸法制备了原位交联的羽毛角蛋白杂化膜。借助FITR、TG、SEM和接触角测试仪等手段对羽毛角蛋白杂化膜的结构和性能进行了分析和表征，同时考察了KH560用量对其力学性能、热稳定性、疏水性的影响。结果表明：在碱性加热条件下，KH560上的环氧基与羽毛角蛋白上的氨基发生了加成反应以及KH560上Si-O-CH₃水解成Si-OH，然后缩合形成Si-O-Si网络结构，从而增强了羽毛角蛋白之间的相互作用力，有效地改善了羽毛角蛋白膜的力学性能、热稳定性和疏水性。

关键词: γ-（2, 3-环氧丙氧）丙基三甲氧基硅烷, 角蛋白, 原位交联, 杂化膜

Abstract: The in-situ crosslinked feather keratin-silica hybrid films were successfully prepared by solvent casting in the presence of glycerol and γ-glycidoxypropyltrimethoxysilane (KH560). The structure and properties of the feather keratin-silica hybrid films were characterized by means of FTIR，TG，SEM and contact angle tests. The effect of KH560 amounts on the mechanical properties，thermal stability and the surface and bulk hydrophobicity was investigated. The results showed that in thermal and alkaline processed conditions, KH560 reacted onto feather keratin chains through the amino-oxirane addition reaction. Simultaneously the methoxysilane groups (Si-O-CH₃) hydrolyzed to form silanol groups (Si-OH) and the condensation reaction of the silanol group (Si-OH) would form Si-O-Si linkages to result in a crosslinked structure. The crosslinking treatment improved the mechanical strength，thermal stability and the surface and bulk hydrophobicity.

Key words: γ-glycidoxypropyltrimethoxysilane, keratin, in-situ cross linking, hybrids films

中图分类号:

TQ321.4

邓湘文, 尹国强, 张步宁, 何明, 窦瑶, 王海洋. 原位交联羽毛角蛋白杂化膜的制备与性能表征[J]. 化工学报, 2014, 65(S1): 433-440.

DENG Xiangwen, YIN Guoqiang, ZHANG Buning, HE Ming, DOU Yao, WANG Haiyang. Preparation and properties of in-situ crosslinked feather keratin hybrid films with using γ-glycidoxypropyltrimeth oxysilane as crosslinking agent[J]. CIESC Journal, 2014, 65(S1): 433-440.

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原位交联羽毛角蛋白杂化膜的制备与性能表征

Preparation and properties of in-situ crosslinked feather keratin hybrid films with using γ-glycidoxypropyltrimeth oxysilane as crosslinking agent

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