Polyethylene base film specially used for compounding with polyvinyl alcohol film and preparation method thereof
A polyvinyl alcohol film and polyethylene technology, which is applied in the field of polyethylene base film and its preparation, can solve the problems of loss of performance of the composite film, reduction of the performance of the composite film, separation of the composite layer of the composite film, etc., to improve the surface energy, increase the Composite and composite quality effects
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Embodiment 1
[0028] The name of each raw material component of the polyethylene base film and the proportion of each component to the total mass of the raw material are as follows:
[0029] Film grade high density polyethylene (HDPE) 90.5
[0030] Ethylene-acrylic acid copolymer (AA content: 18%)5
[0031] Polyethylene oxide (PEO) 3
[0032] Polyethylene glycol (PEG-400) 1
[0033] Precipitated white carbon black (5000 mesh) 0.5
[0034] According to the above-mentioned components, first add film-grade high-density polyethylene, ethylene-acrylic acid copolymer (AA content: 18%) and polyethylene oxide into a high-speed mixer, and mix at a low speed of 100 rpm for 5 minutes; then add Polyethylene glycol (PEG-400), mix at 500 rpm for 5 minutes at high speed, finally add precipitated silica (5000 mesh), mix at high speed (500 rpm) for 10 minutes, turn at low speed (100 rpm) / min) discharge; the mixed material is kneaded and granulated by a twin-screw extruder; It is extruded and blown in...
Embodiment 2
[0036] The name of each raw material component of the polyethylene base film and the proportion of each component to the total mass of the raw material are as follows:
[0037] Film grade low density polyethylene (LDPE) 78.5
[0038] Ethylene-acrylic acid copolymer (AA content: 35%) 10
[0039] Polyethylene oxide (PEO) 8
[0040] Polyethylene glycol (PEG-800) 2
[0041] Precipitated white carbon black (8000 mesh) 1.5
[0042] According to the above-mentioned components, first add film-grade low-density polyethylene, ethylene-acrylic acid copolymer (AA content: 35%) and polyethylene oxide into the high-speed mixer, and mix at a low speed of 300 rpm for 3 minutes; then add Polyethylene glycol (PEG-800), mix at 800 rpm for 5 minutes at high speed, finally add precipitated silica (8000 mesh), mix at high speed (500 rpm) for 10 minutes, turn at low speed (100 rpm) / min) discharge; the mixed material is kneaded and granulated by a twin-screw extruder; It is extruded and blown in...
Embodiment 3
[0044] The name of each raw material component of the polyethylene base film and the proportion of each component to the total mass of the raw material are as follows:
[0045] Film Grade Linear Low Density Polyethylene (LLDPE) 70
[0046] Ethylene-acrylic acid copolymer (AA content: 28%) 15
[0047] Polyethylene oxide (PEO) 10
[0048] Polyethylene glycol (PEG-600) 3
[0049] Precipitated silica (6000 mesh) 2
[0050] According to the above-mentioned components, first add film-grade linear low-density polyethylene, ethylene-acrylic acid copolymer (AA content: 28%) and polyethylene oxide into a high-speed mixer, and mix at a low speed of 300 rpm for 5 minutes; Then add polyethylene glycol (PEG-600), mix at 600 rpm for 5 minutes at high speed, finally add precipitated silica (6000 mesh), mix at high speed (800 rpm) for 5 minutes, turn to low speed ( 100 rpm) discharge; the mixed material is mixed and granulated by a twin-screw extruder; The material is then extruded and bl...
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