Plant fiber material for low-density molded packaging product by using coconut shreds as raw material as well as preparation method and application of plant fiber material

The embodiment of the invention relates to a plant fiber material for a low-density molded packaging product by taking coconut shred as a raw material as well as a preparation method and application of the plant fiber material, and belongs to the technical field of fiber packaging materials. The preparation method of the plant fiber material for the low-density molded packaging product by taking the coconut shreds as the raw materials in the embodiment of the invention comprises the following steps: step 1, pretreatment; step 2, chemical impregnation; step 3, grinding and separating; step 4, extracting high-concentration impregnation waste liquid and removing impurities; and step 5, accurate grinding treatment. According to the fiber material provided by the embodiment of the invention, on one hand, the performance of molded products can be fully improved, the application range of the molded products is further expanded, on the other hand, the industrial utilization range of special plant fiber raw materials