DETERMINATION OF THE ROTATIONAL DIFFUSION CONSTANTS OF THE SIDE-CHAINS IN POLYMERS BY NMR TECHNIQUE

Chinese Journal of Magnetic Resonance ›› 1992, Vol. 9 ›› Issue (2): 141-148.

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DETERMINATION OF THE ROTATIONAL DIFFUSION CONSTANTS OF THE SIDE-CHAINS IN POLYMERS BY NMR TECHNIQUE

Yan Xin¹, Xu Xiaolong², Wang Dehua², Qian Baogong²

1. Naval Academy of Engineering, Wuhan 430033, PRC;
2. Wuhan Institute of Physics, The Chinese Academy of Sciences, Wuhan 430071

Received:1991-05-18 Revised:1991-08-13 Published:1992-06-05 Online:2018-01-20

Abstract

Abstract: An NMR method is presented for determining the rotational diffusion constants of the side-chains in polymer solutions and solids, that is, first, the correlation functions and spectral density functions of the rotation of the side-chains were derived, and then the rotational diffusion constants of these side-chains were determined with the aid of ¹³C spin relaxation data. Two applied examples are also discussed.

Key words: Rotational, Diffusion, Constant, Correlation function, ¹³C spin relaxation, Side-chain, Polymer

Yan Xin, Xu Xiaolong, Wang Dehua, Qian Baogong. DETERMINATION OF THE ROTATIONAL DIFFUSION CONSTANTS OF THE SIDE-CHAINS IN POLYMERS BY NMR TECHNIQUE[J]. Chinese Journal of Magnetic Resonance, 1992, 9(2): 141-148.

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DETERMINATION OF THE ROTATIONAL DIFFUSION CONSTANTS OF THE SIDE-CHAINS IN POLYMERS BY NMR TECHNIQUE

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