Superhydrophobic Materials Constructed by Modified Nano-SiO_2 Hybrid Low-fluorine Epoxy Polymer and Their Properties

摘要

Most of the preparation procedures for super-hydrophobic materials are complicated, and the durabilities are poor. In this paper, a low-fluorinated epoxy polymer poly(glycidyl methacrylate-random-trifluoroethyl methacrylate) (P(GMA-r-TFEMA)) was prepared by conventional radical polymerization method, and hybridized with amino-modified nano-SiO_2 particles. This solution was used to construct super-hydrophobic surface on cotton cloth. The optimum construction conditions were investigated by changing the P(GMA-r-TFEMA) concentration, the immersion time, and the drying time. The performance were characterized by static contact angle (CA). The water contact angle is up to 153° ± 3°, rolling angle is low to 35° ± 3°, and resistance of anti-abrasion, acid and alkali are high.