E—M water treatment agent for boilers,composed of ethylenediamine tetramethylene phosphonic acid(EDTMP) and hydrolyzed polymaleic anhydride (HPMA),and its applications are introduced in this article.
乙二胺四亚甲基膦酸(EDTMP)和水解聚马来酸(HPMA)组的锅炉水处理剂E—M配方及其应用实例。
E—M water treatment agent for boilers,composed of ethylenediamine tetramethylene phosphonic acid(EDTMP) and hydrolyzed polymaleic anhydride (HPMA),and its applications are introduced in this article.
乙二胺四亚甲基膦酸(EDTMP)和水解聚马来酸(HPMA)组的锅炉水处理剂E—M配方及其应用实例。
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,合了一系列聚氨酯脲热塑性弹性体及其硬段模型化合物。
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