And two new segmented poly(urethaneureas) were prepared from poly(tetramethylene glycol)(PTMG) or polyadipate of 1,4 butanediol(PBA), MDI and Urea(as chain extender).
以尿素为扩链剂,合成了一系聚氨酯脲热塑弹体及其硬段模型化合物。
And two new segmented poly(urethaneureas) were prepared from poly(tetramethylene glycol)(PTMG) or polyadipate of 1,4 butanediol(PBA), MDI and Urea(as chain extender).
以尿素为扩链剂,合成了一系聚氨酯脲热塑弹体及其硬段模型化合物。
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