• 主题
高级搜索  >
历史搜索 清空历史
首页> 美国卫生研究院文献>Materials >Preparation and Characterization of New Environmentally Friendly Starch-Cellulose Materials Modified with Casein or Gelatin for Agricultural Applications
【2h】

Preparation and Characterization of New Environmentally Friendly Starch-Cellulose Materials Modified with Casein or Gelatin for Agricultural Applications

机译：酪蛋白或明胶修饰的农业用新型环保淀粉纤维素材料的制备与表征

代理获取
本网站仅为用户提供外文OA文献查询和代理获取服务，本网站没有原文。下单后我们将采用程序或人工为您竭诚获取高质量的原文，但由于OA文献来源多样且变更频繁，仍可能出现获取不到、文献不完整或与标题不符等情况，如果获取不到我们将提供退款服务。请知悉。
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The purpose of this work was to prepare new biodegradable starch-cellulose composites, with starch, using casein and gelatin as natural nutrients. The physico-chemical properties of the starch films and cellulose fabrics with starch coatings were studied by Fourier transformation infrared analysis, laser confocal scanning microscopy (LCSM), scanning electron microscopy (SEM), UV-Vis spectroscopy, swelling tests, mechanical tests, thermal analysis thermogravimetric analysis (TGA), and differential scanning calorimetry (DSC). The susceptibility of the starch films to biodegradation was investigated, together with their resistance to thermo-oxidative aging. As a result of the formation of the starch films, both the casein and gelatin macromolecules were able to interact directly with the starch matrix and the fractions of unbranched amylose and branched amylopectin it contained. This interaction was visible as changes in the absorption bands of the polar groups, as revealed by infrared analysis. Spectral analysis of the cellulose fabrics coated with starch films suggests that hydrogen bridges formed between the micelles of long cellulose filaments and the micro and macro-fibers of the starch pectins. An applicative test revealed that when used as a covering for bean cultivation the cellulose-starch composites act as a fertilizing component, contributing to significantly improved growth of Phaseolus vulgaris in comparison to the use of unmodified cellulose.
机译：这项工作的目的是使用酪蛋白和明胶作为天然营养素，用淀粉制备新型的可生物降解的淀粉-纤维素复合材料。通过傅立叶变换红外分析，激光共聚焦扫描显微镜（LCSM），扫描电子显微镜（SEM），紫外-可见光谱，溶胀测试，机械测试，热学研究了淀粉膜和具有淀粉涂层的纤维素织物的理化性质。分析热重分析（TGA）和差示扫描量热法（DSC）。研究了淀粉膜对生物降解的敏感性以及它们对热氧化老化的抵抗力。由于形成淀粉膜，酪蛋白和明胶大分子都能够直接与淀粉基质以及其中所含的直链直链淀粉和支链支链淀粉的部分相互作用。如通过红外分析所揭示的，这种相互作用可见为极性基团吸收带的变化。涂有淀粉薄膜的纤维素织物的光谱分析表明，在长纤维素丝的胶束与淀粉果胶的微纤维和大纤维之间形成了氢桥。一项应用试验表明，纤维素淀粉复合材料用作豆类栽培的覆盖物时，可作为肥料成分，与未改性纤维素的使用相比，可显着改善菜豆的生长。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
代理获取

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号