extender

The effect of using PBO and phthalandione as a combinative extender on the extension is tested.

并与苯酐联用,测定了联用效。

Study of low angle laser light scattering indicats, in a certain limits of extender amount, the polyurethane have a amorph pseudomicrostructure...

溶解测定结,本文中的聚氨酯为具有不同支化程度的可溶聚合物。

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，合成了一系列聚氨酯弹体及其硬段模型化合物。