• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Applied Magnetic Resonance >Molecular dynamics of poly(ethylene 2,6-naphthalate)-polycarbonate composite by nuclear magnetic resonance
【24h】

Molecular dynamics of poly(ethylene 2,6-naphthalate)-polycarbonate composite by nuclear magnetic resonance

机译：聚（2,6-萘二甲酸乙二醇酯）-聚碳酸酯复合材料的核磁共振分子动力学

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The aim of the work was to examine molecular dynamics of a series of poly(ethylene 2,6-naplithalate)-polycarbonate blends with changing weight ratio of copolymers by off-resonance nuclear magnetic resonance technique. It was shown that this technique provides information about the correlation times of the internal motions. The spectral density function amplitudes were estimated on the basis of the dispersion of the spin-lattice relaxation time off-resonance T-1p(off). The measurements were performed for two series of blends which had been injection moulded with and without compatibilizer. The new polymer materials were also characterized using differential scanning calorimetry. Samples obtained after injection moulding and annealing became amorphous, which indicates that a reaction of transesterification process between the two polymers occurred.
机译：这项工作的目的是通过非共振核磁共振技术研究一系列改变共聚物重量比的聚（2,6-萘二甲酸乙二酯）-聚碳酸酯共混物的分子动力学。结果表明，该技术提供了有关内部运动相关时间的信息。光谱密度函数的幅度是根据自旋晶格弛豫时间的离差T-1p（off）估计的。对在有和没有增容剂的情况下注射成型的两个系列的共混物进行测量。还使用差示扫描量热法对新型聚合物材料进行了表征。注射成型和退火后获得的样品变为非晶态，这表明两种聚合物之间发生了酯交换过程的反应。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

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