Functionalization of the Surface of Montmorillonite with Cationic Oligourethane Capable of Diisocyanate Addition

IF 0.7 4区 化学 Q4 CHEMISTRY, MULTIDISCIPLINARY
O. M. Gonchar, S. D. Nesin, Yu. V. Saveliev
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引用次数: 0

Abstract

A method of montmorillonite modification with polar oligourethane containing reactive amino groups has been developed. It is shown that functionalized montmorillonite is capable of adding aromatic and aliphatic diisocyanates, as well as sequential addition of aromatic diisocyanates and glycerol, which is essential for montmorillonite application as filler for polymer materials. According to wide-angle X-ray scattering, interlayer distance d001 of montmorillonite in the obtained samples varies depending on nature of oligomer macromolecules in the interlayer space that is explained with different conformation and orientation of aromatic and aliphatic oligourethane fragments.

Abstract Image

能加成二异氰酸酯的阳离子低聚聚氨酯对蒙脱土表面的功能化
研究了一种含活性氨基的极性低聚氨基甲酸乙酯改性蒙脱土的方法。结果表明,官能化蒙脱土可以添加芳香族和脂肪族二异氰酸酯,也可以连续添加芳香族二异氰酸酯和甘油,这是蒙脱土作为高分子材料填料的必要条件。根据广角x射线散射,所得样品中蒙脱土的层间距离d001取决于层间空间中低聚物大分子的性质,这可以用芳香和脂肪族低聚聚氨酯碎片的不同构象和取向来解释。
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来源期刊
Theoretical and Experimental Chemistry
Theoretical and Experimental Chemistry CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
1.60
自引率
10.00%
发文量
30
审稿时长
6-12 weeks
期刊介绍: Theoretical and Experimental Chemistry is a journal for the rapid publication of research communications and reviews on modern problems of physical chemistry such as: a) physicochemical bases, principles, and methods for creation of novel processes, compounds, and materials; b) physicochemical principles of chemical process control, influence of external physical forces on chemical reactions; c) physical nanochemistry, nanostructures and nanomaterials, functional nanomaterials, size-dependent properties of materials.
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