Water-based ultraviolet (UV) curing coatings based on microgels.

For the first time, researchers demonstrated the success of the preparation of microgels based on branched-chain polyester (PEI) and their incorporation into water-soluble polypropylene esters (WPA).
microgel is a new functional polymer with molecular inline structure, which can significantly improve the mechanical properties of copolymers.
, they prepared dense coatings using electrophoresis deposition (EPD) and ultraviolet (UV) radiation

. Membranes including microgels showed more than 6.82MPa and 72.09% stretch strength and elongation, respectively, at fracture values.
Good thermal stability and rust resistance
After 7 days immersion in a 5 wt% NaCl solution at 40 degrees C, the coating exhibits good thermal stability, reduced water absorption, excellent durability and corrosion resistance. This work provides a new strategy that can be easily applied to a variety of conductive substrates.
the study was published in the Journal of Coating Technology and Research, September 2019, volume 16, Issue 5, pp. 1367-1378.
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