Paper diaper antibacterial packaging bag and preparation method thereof

The invention relates to a paper diaper antibacterial packaging bag and a preparation method thereof. The packaging bag is a three-layer co-extrusion film bag and is composed of an antibacterial innerlayer, a middle layer and an antibacterial outer layer; the antibacterial inner layer comprises the following components in percentage by weight: 50%-55% of LLDPE, 18%-23% of LDPE, 20%-30% of m-PE, 0.1%-0.5% of PPA, 0.1%-0.5% of an opening and 1%-5% of an antibacterial masterbatch; the middle layer comprises the following components in percentage by weight: 60%-70% of LLDPE, 15%-20% of LDPE and 15%-20% of m-PE; the antibacterial outer layer comprises the following components in percentage by weight: 40%-48% of LLDPE, 12%-16% of LDPE, 33%-40% of m-PE, 0.1%-0.5% of PPA, 1%-5% of EVA, 0.1%-0.5%of an anti-blocking agent and 1%-3% of an antibacterial masterbatch. The paper diaper antibacterial packaging bag has good antibacterial effect. 本发明涉及一种纸尿裤抗菌包装袋及其制备方法，包装袋为三层共挤薄膜袋，由抗菌内层、中间层、抗菌外层组成，抗菌内层包括如下重量百分数的组分：LLDPE50％～55％、