STUDY ON MOLECULAR MOTION OF 1,2-POLYBUTADIENE BY MEANS OF MODEL FTTING

NI Shao-ru; ZHANG Hong-fang; LIU Jing-jiang; YU Fu-sheng; SHEN Lian-fang; QIAN Bao-gong

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STUDY ON MOLECULAR MOTION OF 1,2-POLYBUTADIENE BY MEANS OF MODEL FTTING

Research Article | 更新时间：2021-03-19

- STUDY ON MOLECULAR MOTION OF 1,2-POLYBUTADIENE BY MEANS OF MODEL FTTING
- Acta Polymerica Sinica Issue 5, Pages: 580-585(1990)
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- Published：20 October 1990，
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NI Shao-ru, ZHANG Hong-fang, LIU Jing-jiang, YU Fu-sheng, SHEN Lian-fang, QIAN Bao-gong. STUDY ON MOLECULAR MOTION OF 1,2-POLYBUTADIENE BY MEANS OF MODEL FTTING. [J]. Acta Polymerica Sinica (5):580-585(1990)
DOI：

NI Shao-ru, ZHANG Hong-fang, LIU Jing-jiang, YU Fu-sheng, SHEN Lian-fang, QIAN Bao-gong. STUDY ON MOLECULAR MOTION OF 1,2-POLYBUTADIENE BY MEANS OF MODEL FTTING. [J]. Acta Polymerica Sinica (5):580-585(1990) DOI：

摘要

本文采用Cole-Cole

Fuoss-Kirkwood经验相关时间分布模型和构象跳跃

高聚物局部主链运动阻尼取向扩散分子模型

对1

2-聚丁二烯在溶液中的13C-NMR自旋-晶格弛豫时间nT_1和核Overhauser效应(NOE)值进行了数值拟合。用拟合所得分子运动参数讨论了1

2-聚丁二烯微观分子运动对链结构和温度的依赖性。

Abstract

The empirical Cole-Cole

Fuoss-KirkwOod distribution models of correlation times

the con-formational jump model proposed by Valeur et al. and the damped orientational diffusion model of polymer local main-chain motion proposed by Skolnick and Yaris were used to fit the experimental 13C-NMR spin-lattice relaxation times (T1) and nuclear Overhauser effect (NOE) data of 1

2-polybutadienes in CDCL3 solution. The dependences of the malecular motion of 1

2-PBD on the chain-structure ad temperature have been discussedin terms of the molel parame-ters obtained.

关键词

12-聚丁二烯模型拟合法13C-NMR自旋晶格弛豫时间（T1）核Overhauser效应（NOE）

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