SI-29 SOLID-STATE NUCLEAR-MAGNETIC-RESONANCE SPECTROSCOPY OF COMPOSITE INTERFACES

被引:44
作者
HOH, KP
ISHIDA, H
KOENIG, JL
机构
[1] Department of Macromolecular Science, Case Western Reserve University, Cleveland, Ohio
关键词
D O I
10.1002/pc.750110208
中图分类号
TB33 [复合材料];
学科分类号
摘要
The types of structures and bonds that are formed with silicons in the composite interface were studied using 29Si cross‐polarization/magic angle sample spinning (CP/MAS) nuclear magnetic resonance spectroscopy (NMR). The change in mobility of silane coupling agent bonded to silica, as compared with bulk hydrolyzed silane coupling agent, can be monitored by the change in line width and the shift of resonances to higher fields, as well as by the change in the silicon‐proton cross‐polarization time TSiH. In the silane coupling agent‐matrix resin interface, the TSiH values reflect the change in mobility as a function of the concentration and degree of hydrolysis of the silane coupling agent. It has been demonstrated that quantitative measurements of TSiH can be used to investigate relative mobilities. Copyright © 1990 Society of Plastics Engineers
引用
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页码:121 / 125
页数:5
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