PE (poly ethylene) protection film material for automobile and preparation method thereof
A protective film and automotive technology, applied in the field of PE protective film, can solve the problems of reducing the production quality and market competitiveness of enterprise products, uneven cutting surface, burrs on the edge of the film, etc., to reduce toughness, solve burrs, and eliminate cutting marks. Effect
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Embodiment 1
[0022] The PE protective film material for automobiles prepared in this example has the following components in parts by mass: 100 parts of LDPE / LLDPE (9:1), 0 part of filler, and 0 part of plasticizer.
[0023] The preparation method is as follows:
[0024] First, LDPE and LLDPE are pre-mixed in a high-speed mixer for 5 minutes in proportion, and then the mixed raw materials are put into a twin-screw extruder, and melted and extruded at 170°C to pelletize. The preparation steps of the PE protective film are: put the modified PE pellets into the twin-screw extruder, melt and mix them at 170°C, stretch them into a film, and then apply the cross-linked acrylic resin adhesive to the PE protective film. On one side of the membrane, the protective membrane is then passed through a longer air heating channel (100°C) to ensure that the water or solvent is evaporated. Then directly rewind and cut.
[0025] The samples obtained by granulation in Example 1 were prepared for tensile st...
Embodiment 2
[0027] The PE protective film material for automobiles prepared in this example has the following components in parts by mass: 100 parts of LDPE / LLDPE (8:2), 0 part of filler, and 0 part of plasticizer.
[0028] The preparation method is as follows:
[0029] First, LDPE and LLDPE are pre-mixed in a high-speed mixer for 10 minutes according to the proportion, and then the mixed raw materials are put into a twin-screw extruder, and melted and extruded at 150°C for granulation. The preparation steps of the PE protective film are: put the modified PE pellets into the twin-screw extruder, melt and mix them at 170°C, stretch them into a film, and then apply the cross-linked acrylic resin adhesive to the PE protective film. On one side of the membrane, the protective membrane is then passed through a longer air heating channel (100°C) to ensure that the water or solvent is evaporated. Then directly rewind and cut.
[0030] The samples obtained by granulation in Example 2 were prepa...
Embodiment 3
[0032] The PE protective film material for automobiles prepared in this example has the following components in parts by mass: 100 parts of LDPE / LLDPE (6:4), 0 part of filler, and 0 part of plasticizer.
[0033] The preparation method is as follows:
[0034] Weigh each raw material in proportion, pre-mix LDPE and LLDPE in a high-speed mixer for 5 minutes in proportion, then put the mixed raw materials into a twin-screw extruder, melt and extrude at 130°C for granulation. The preparation steps of the PE protective film are: put the modified PE pellets into the twin-screw extruder, melt and mix them at 170°C, stretch them into a film, and then apply the cross-linked acrylic resin adhesive to the PE protective film. On one side of the membrane, the protective membrane is then passed through a longer air heating channel (100°C) to ensure that the water or solvent is evaporated. Then directly rewind and cut.
[0035] The samples obtained by granulation in Example 3 were prepared ...
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