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- W2372260480 abstract "Polyurethane(PU ) ela stomers were prepared with polyether-polyg ol, diis ocyanate and chain extender as raw material s, and the mechanical properties of t he prepared PU elastomers were studied.The results showed that the mechanical properties of PU incre ased with the increase of the content of free-NCO. When the molecu lar weight of polyether-polygol inc reased, the tensile strength and tear stren gth of PU decreased, but the elongatio n at break increased. The postcuring time a nd the mole ratio of NCO/OH had obvio us effect on the mechanical properties of P U. The mechanical properties of MDI-PU were better than those of TDI-PU with silimar molecular weight." @default.
- W2372260480 created "2016-06-24" @default.
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- W2372260480 date "2005-01-01" @default.
- W2372260480 modified "2023-09-27" @default.
- W2372260480 title "Study on Mechanical Properties of Polyether-polyol Type PU Elastomer" @default.
- W2372260480 hasPublicationYear "2005" @default.
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