Research on the post-chain extension of aqueous polyurethane dispersions

The post-chain extension efficiency of aqueous polyurethane dispersions (APUDs) was in inverse proportion to the amount of residual amine (NH 2 ) groups, which could be measured by the color reaction with ninhydrin. In this research, the absorbance of chromogenic groups which appeared at 550-570 nm...

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Veröffentlicht in:	RSC advances 2016-01, Vol.6 (43), p.3651-36515
Hauptverfasser:	Peng, Xiaomeng, Wang, Wusheng, Ma, Naiyu, Guo, Wenhe, Yu, Xuekang, Chen, Xin
Format:	Artikel
Sprache:	eng
Schlagworte:	Cage Chains Color Dispersions Ethylene Interface reactions Inverse Polyurethane resins
Online-Zugang:	Volltext
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