Chinese Journal of Magnetic Resonance ›› 1986, Vol. 3 ›› Issue (3): 223-227.
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Wu Meiyu, Yong Zhanggen
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Abstract: The 1H-NMR method was applied to the determination of NCO/OH molar ratio in the PPG-2, 4 TDI-based polyurethane prepolymer systems and the determination of the number average molecular weight of PPG in the systemt. Finally the molecular weight of prepolymer can be calculated.
Wu Meiyu, Yong Zhanggen. ANALYSIS OF LINEAR URETHANE PREDOLYMER BY H-NMR SPECTROSCOPY[J]. Chinese Journal of Magnetic Resonance, 1986, 3(3): 223-227.
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http://magres.apm.ac.cn/EN/Y1986/V3/I3/223
