Chinese Journal of Magnetic Resonance ›› 1986, Vol. 3 ›› Issue (4): 369-375.
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NI Shaoru1, Yu Fusheng1, Shen Lianfang2, Qlan Baogong2
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Abstract: Solid-state carbon-13 NMR linewidth of 1,2-polybutadienes with various contentsof 1,2-units were measured over a temperature range from-50℃ to 50℃. The structure and temperature dependences of the linewidth have been investigated. It is found that the NMR relaxation in polymers is dependent not only on the chain structure but also on the free volume. The free volume theory is also applicable to the NMR relaxation in polymers.
NI Shaoru, Yu Fusheng, Shen Lianfang, Qlan Baogong. SOLID-STATE CARBON-13 NMR LINEWIDTH AND FREE VOLUME IN 1,2-POLYBUTADIENES[J]. Chinese Journal of Magnetic Resonance, 1986, 3(4): 369-375.
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