Antibacterial mildewproof glass fiber composite air filter paper and preparation method of antibacterial mildewproof glass fiber composite air filter paper

The invention discloses antibacterial mildewproof glass fiber composite air filter paper which comprises an upper glass fiber layer (2) and a lower glass fiber layer (4), wherein an antibacterial layer (3) is arranged between the upper and lower glass fiber layers; a glue spraying layer (1) is compounded on the upper surface of the upper glass fiber layer (2) and an impregnation layer (5) is compounded on the lower surface of the lower glass fiber layer (4); the upper glass fiber layer (2) and the lower glass fiber layer (4) are prepared from glass fiber cotton with the diameter of 0.35-6.5 microns. The invention further discloses a method for moulding and preparing the glass fiber filter paper by a wet process. The glass fiber air filter paper disclosed by the invention is in a multilayered composite structure, and the antibacterial and moistureproof capacity of the paper is enhanced while the filter efficiency of the paper is not affected.