Soluble fiber paper and preparation method thereof

The invention provides soluble fiber paper and a preparation method thereof. The soluble fiber paper provided by the invention is prepared from the following raw materials in parts by mass: 100 to 250 parts of soluble fiber, 1 to 5 parts of reinforced fiber, 50 to 150 parts of inorganic filler, 0.5 to 2 parts of dispersing agent, 10 to 50 parts of organic binding agent, 10 to 50 parts of auxiliary agent and 5000 to 50000 parts of water, wherein the soluble fiber comprises a first soluble fiber and a second soluble fiber; the length of the first soluble fiber is 3-10mm, and the length of the second soluble fiber is less than 1mm; the mass ratio of the first soluble fiber to the second soluble fiber is 1: (0.1-0.3). The soluble fiber paper provided by the invention can improve the volume density, pressure resistance and tensile strength of the material. 本发明提供了一种可溶纤维纸及其制备方法。本发明提供的可溶纤维纸的制备原料包括以下质量份的组分：100～250份可溶纤维，1～5份增强纤维，50～150份无机填料，0.5～2份分散剂，10～50份有机结合剂，10～50份助剂，5000～50000份水；其中，所述可溶纤维包括：第一可溶纤维和第二可溶纤维；所述第一可溶纤维的