Page 203 - 《精细化工》2020年第3期

第 3 期 王学川，等: 超支化聚合物改性明胶胶粘剂的制备及性能 ·621·

从图 7a 可看出，纯明胶的接触角为 58.8°，加入 Biosynthesis and characterization of hydroxyapatite and its
composite (hydroxyapatite- gelatin-chitosan-fibrin-bone ash) for
EHPAE 和 SDS 后接触角分别为 65.7°和 74.2°，对比之 bone tissue engineering applications[J]. International Journal of
Biological Macromolecules, 2019, 129: 844-852.
后可以发现，制备得到的胶粘剂（88.2°）的水接触角 [10] ZHANG L, XUE J, ZHENG L J, et al. Pullulan dialdehyde
crosslinked gelatin hydrogels with high strength for biomedical
均大于市售胶粘剂（84.8°），即疏水性均优于市售胶。 applications[J]. Carbohydrate Polymers, 2019, 216: 45-53.
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从图 7b 可看出，EHPAE-Ⅲ改性胶粘剂的接触角最大， bactericidal wound dressing material based on gelatin nanofiber[J].
这是因为 EHPAE-Ⅲ的交联点多，可与明胶分子链上 International Journal of Biological Macromolecules, 2019, 137: 392-
404.
的亲水基团（如氨基、羟基等）形成多点交联，使得 [12] JAMRÓZ E, KULAWIK P, KRZYŚCIAK P, et al. Intelligent and
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即可证明环氧基与氨基成功发生了交联反应。 [18] WU M, CHEN W J, MAO Q H, et al. Facile synthesis of chitosan/
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改性制备得到的胶粘剂，对其进行应用实验后发现： [19] PRIYA, SHARMA A K, Kaith B S, et al. RSM-CCD optimized
sodium alginate/gelatin based ZnS-nanocomposite hydrogel for the
EHPAE-Ⅲ的综合性能最优，其固含量为 30.33%， effective removal of biebrich scarlet and crystal violet dyes[J].
International Journal of Biological Macromolecules, 2019, 129: 214-226.
且剪切强度为 2.216 MPa，T-剥离强度为 3.375 [20] POUR M M, SABERI-RISEH R, Mohammadinejad R, et al.
Investigating the formulation of alginate-gelatin encapsulated
N/mm，水接触角为 100.9°，而目前市售胶粘剂的固 pseudomonas fluorescens (VUPF5 and T17-4 strains) for controlling
含量为 22.84%，剪切强度为 1.868 MPa，T-剥离强 fusariumsolani on potato[J]. International Journal of Biological
Macromolecules, 2019, 133: 603-613.
度为 2.864 N/mm，水接触角为 84.8°，对比之后可 [21] HESS K M, SRUBAR W V. Activating relaxation-controlled diffusion
mechanisms for tailored moisture resistance of gelatin-based
发现：自制胶粘剂的固含量、剪切强度、T-剥离强 bioadhesives for engineered wood products[J]. Composites Part A:
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毒型胶粘剂的开发提供一种新的探索方法和思路。 [24] WANG X C, CHEN K, LI W, et al. A paper sizing agent based on
leather collagen hydrolysates modified by glycol diglycidyl ether and
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