Abstract
Polyacrylate emulsions (PAs) with core-shell structure were prepared by semi-continuous emulsion polymerization with diacetone acrylamide (DAAM) and adipic dihydrazide (ADH) as crosslinkable monomers and compound emulsifier system of SDS/0P-21/MS-1, reactive emulsifier NRS-10 as emulsifier respectively. The polyacrylate emulsion with keto-hydrazide crosslinking was characterized by Fourier transform infrared spectroscopy (FTIR), FTIR analyses demonstrated that the keto-hydrazide crosslinking reaction occur in the emulsion. The properties of both emulsions and films were tested by size analysis, viscosity analysis and others. The results showed that the average particle size with reactive emulsifier system of around 93 nm, coagulation rate of around 0.81% and water absorption rate of around 6.7% and the quality of polyacrylate emulsion with reactive emulsifier system was excellent.
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