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Anti-degradation gelatin films crosslinked by active ester based on cellulose

机译：基于纤维素的活性酯交联的抗降解明胶薄膜

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摘要

Functionalization of microcrystalline cellulose (MCC) with EDTA dianhydride (EDTAD) was first achieved using an esterification reaction. N-Hydroxysuccinimide-activated MCC-EDTAD ester (MEN), a novel macromolecule crosslinker based on MCC, was synthesized for the modification of gelatin films. The reaction between gelatin and MEN was verified by the residual free amino test, FTIR and XRD spectra. The introduction of MEN into gelatin decreased the film degradation ratio and increased its thermal stability, flexibility, hydrophobicity, light barrier performance and water uptake ability. Additionally, SEM images proved the successful surface grafting reaction and degradation phenomenon. This unique gelatin film material with advanced properties broke the limitation of the blending method for modification of gelatin with macromolecules and broadened its application as a novel sustained-release material.
机译：首先使用酯化反应实现微晶纤维素（MCC）与EDTA二酐（EDTAD）的官能化。 N-羟基琥珀酰亚胺激活的MCC-EDTAD酯（MEN）是基于MCC的新型大分子交联剂，用于改性明胶薄膜。 通过残留的游离氨基测试，FTIR和XRD光谱验证明胶和男性之间的反应。 将男性引入明胶降低了薄膜降解比率，增加了其热稳定性，柔韧性，疏水性，光栅性能和水吸收能力。 另外，SEM图像证明了成功的表面移植反应和降解现象。 具有先进性质的这种独特的明胶薄膜材料造成了用大分子改性明胶的混合方法，并将其应用作为新型缓释材料。

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  • 来源
    《RSC Advances》 |2015年第64期|共11页
  • 作者

    Zhuang Chen; Tao Furong; Cui Yuezhi;

  • 作者单位

    Qilu Univ Technol Shandong Prov Key Lab Fine Chem Jinan 250353 Peoples R China;

    Qilu Univ Technol Shandong Prov Key Lab Fine Chem Jinan 250353 Peoples R China;

    Qilu Univ Technol Shandong Prov Key Lab Fine Chem Jinan 250353 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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