A crosslinked waterborne poly(urethane‐urea) oligomer enables mechanically strong waterborne polyacrylate–poly(urethane‐urea) hybrid films with superior film‐forming ability
Xiangqian Fan,
Xianming Zhai,
Lei Liu
et al.
Abstract:In this article, a crosslinked waterborne poly(urethane‐urea) (WPUU) is synthesized based on the terminal aromatic amine polyether (DP‐1000) and aliphatic isophorone diisocyanate. Then WPUU is compound with acrylate monomer by emulsion polymerization to produce waterborne polyacrylate–poly(urethane‐urea) (WPUUA) hybrid emulsions. Compared with waterborne polyacrylate (WPA) film, the film‐forming ability of WPUUA film is improved and the surface roughness Ra and Rq of WPUUA film decreases from 47.5 and 36.4 nm … Show more
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