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Methods - Coggle Diagram

- - - - stirred mildly at 30 °C for 6 h
        
        centrifuged and measured using UV–vis spectra
        
        centrifuged 3–5 times until no tannin was detected
        
        paper handsheets with a basis weight of 80 g/m2 were made using the tannin incorporated pulp
        
        Perform the test in steps 2.3.1 to 2.3.8
- - - - Scans were recorded from room temperature to 600 °C
        with a heating rate of 5 °C per min under a nitrogen atmosphere with a flow rate of 20 mL per min.
- - - - measured by absorbances
        at 517 nm with UV–Visible spectrometer. The methanol solution without any samples was used as the control.
        
        calculatedusing the equation
        Inhibition rate (%) = (A0-A1)/A0 x 100
- - - - A drop of water was dropped on the paper through a micro syringe.
        
        The water contact angle was obtained by measuring the angles between water and paper
- - - - The samples were balanced at a temperature of 25 °C and relative humidity of 50% for 2 days before the measurement