| abstract |
The invention discloses a curtain coating CPE (chlorinated polyethylene) inflatable automatic packaging composite film and a preparation method thereof. The cast CPE inflation automatic packaging composite film comprises a corona layer, a middle layer and a heat sealing layer which are connected in sequence; the corona layer comprises the following components in parts by weight: 78-82 parts of LLDPE, 2.8-3.2 parts of MPE, 8-12 parts of LDPE, 5.5-6.5 parts of HDPE and 0.8-1.2 parts of a mouth-opening slipping agent; the middle layer is LLDPE; the heat sealing layer comprises the following components in parts by weight: 45-55 parts of MPE, 8-12% of LDPE, 8-12 parts of POE, 23-27 parts of LLPDE, 1.8-2.2 parts of processing aid and 2.8-3.2 parts of modified heat seal material. The cast CPE inflation automatic packaging composite film has the advantages of high friction coefficient and good transparency. |