Preservative is made by modified activated carbon which contains potassium permanganate, the paper is used as carrier, and the preservative paper is developed by the method of putting preservatives into pulp. Analytical methods such as the infrared spectrum (FTIR), the X ray diffraction (XRD), the thermogravimetric analysis (TGA) and the scanning electron microscope (SEM) are used to study the structures of the preservative and the preservative paper. The FTIR analysis shows that the activated carbon loaded with the saturated potassium permanganate contains more oxygen functional groups on the surface, the combination of the antistaling agent and the paper serves as the physical bond. The XRD analysis shows that the potassium permanganate could destroy the crystal structure of the activated carbon, the crystallization degree of the preservative paper is decreased after the antistaling agent is added. From the TGA curve, it is seen that the temperature of the thermal decomposition of the fresh paper is lower than that of the control group, which is due to the decrease of the crystallinity of the preservative paper. The result of the SEM test shows that the antistaling agent could make the preservative paper surface coarse.

potassium permanganate  /  activated carbon  /  preservative paper