Tian-lin Zhang

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The reactions of unsaturated chloride polyether polyol with trimethyl phosphite have been studied by FTIR, which was prepared by copolymerization of ethanediol, allyl glycidyl ether and epoxychloropropane. The experimental results showed that the reaction included ester-exchange reaction, ester-exchange polymerization and Arbuzov rearrangement. The process(More)
The samples of PUU polymers were characterized by In-situ FTIR in a temperature-controlled cell. The spectra of FTIR showed that the absorbance of ordered hydrogen-bonded urea carbonyl group (1643 cm(-1)) became stronger with increasing thermal process time (at 100 degrees C), then changed little after a certain time. The rate of change for absorbance of(More)
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