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Since hydrophobicity can improve the usability and functionality of materials in humid condition, enhancing the hydrophobic behavior of starch films or papers is of importance. In this work, ZnO nanoparticles (NPs) were introduced into the starch solution under ultrasonic and magnetic-stirring, followed by cast filming and paper coating. The contact angles of resulting film and coated paper containing...
Nonbiodegradable features and the lack of antimicrobial activity for conventional synthetic polymer-based packaging materials remain as extensive concerns for environmental issues and food safety. In this work, an antimicrobial copolymer PHGH–PPGDE was synthesized via a reaction between polyhexamethylene guanidine hydrochloride (PHGH) and poly(propylene glycol)diglycidyl ether (PPGDE). The obtained...
Nowadays researches endeavour to prepare superhydrophobic paper surface without using fluorderivates which are harmful to both environments and humans. This research aimed at building microstructure using green-based waxes to prepare superhydrophobic paper surface. There were two main processes. First, wax mixture (beeswax/carnauba wax) was emulsified and coated on paper surface. Then the coated paper...
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