Studies on coordination-crosslinking of soap-free polyacrylate hydrosol and metal ion

✍ Scribed by Li Qun Yang; Zhi Ming Xie; Zhuo Mei Li

• Publisher: John Wiley and Sons
• Year: 1997
• Tongue: English
• Weight: 248 KB
• Volume: 66
• Category: Article
• ISSN: 0021-8995
• DOI: 10.1002/(sici)1097-4628(19971226)66:13<2457::aid-app8>3.0.co;2-h

✦ Synopsis

A new soap-free water-borne coating (solid content ca. 35 wt %) has been obtained by adding the coordination-crosslinking agent M(NH 3 ) 4 2/ into the {COO 0containing polyacrylate hydrosol (P{COO 0 ). The transmission electron microscope analysis has been used to investigate the coordination-crosslinking process of the polyacrylate hydrosol with Zn(NH 3 ) 4 2/ in the water-borne coating of low concentration (solid content ca. 0.05 wt %). The existence of the coordination-crosslinking polymer (P{COO 0 ) n M 2/ ) both in the water-borne coating of low concentration (solid content ca. 0.3 wt %) and in the coating film has been detected by the linear sweep voltammetry polarographic analysis, ultraviolet-visible spectrographic analysis, and IR spectrographic analysis. All the experimental results show that the polyacrylate hydrosol (P{COO 0 ) can take the coordination-crosslinking reaction with metal ion M 2/ to form the coordination polymer [(P{COO 0 ) n M 2/ ].