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- W2364603453 abstract "Thermoplastic polyurethane elastomer(TPU) was synthesized by one-shot process with 4,4′-diphenylmethane diisocyanate(MDI),poly-butylene adipate gylcol(PBA) and 1,4-butanediol(BDO) as raw materials.When R value was the same in the experiment,the influences of molecular weight of PBA and addition amount of BDO on the properties of TPU were studied.Moreover,structure,thermal property and crystallinity of TPU were characterized by FT-IR,TGA and XRD,respectively.The results were as follows.When R value,addition amount of BDO and addition amount of MDI were certain,with the increasing of molecular weight of PBA,tensile strength and elongation at break of TPU were increased.When R value was certain and PBA with molecular weight of 3000 was used as a polyester component,with the increasing of additon amount of BDO,tensile strength and elongationat break of TPU were also increased.Additionally,the thermal decomposition temperature of TPU was above 300℃ and its crystallinity was significant." @default.
- W2364603453 created "2016-06-24" @default.
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- W2364603453 date "2011-01-01" @default.
- W2364603453 modified "2023-09-22" @default.
- W2364603453 title "Study on properties of thermoplastic polyester polyurethane elastomer based on MDI" @default.
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