Abstract
A method for the preparation of thermoformable and water-resistant antibacterial cellulose composite paper is proposed by immobilizing synthetic PDA@ZnO on the cellulose surface and allowing PLA to penetrate into the cellulose network. The mechanical properties, thermoformability, water resistance and antibacterial properties of cellulose composite papers were investigated. The results show that the 8 % PDA@ZnO/PLA cellulose composite paper achieved the tensile strength of 14.14 MPa, the water contact angle of 105 deg., the water absorption of 34.3 % and exhibited excellent antibacterial activity against E. coli. In addition, the composite paper can achieve the transformation of cellulose network from two-dimensional to three-dimensional and synthesize three-dimensional packaging materials directly by thermoforming, which have potential for wide application.
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