Easily-torn PE film material, and preparation method and applications thereof
A film material and composite film technology, applied in the field of PE materials, can solve the problem of inconvenient opening of PE packaging materials with bare hands, and achieve the effect of expanding the application field, reducing production costs, and being convenient to use.
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[0070] Example 1
[0071] Prepare the easy-tear PE single-layer film, weigh the raw materials according to Table 1, mix them evenly, and add them to the hopper of the extrusion unit of the film blowing machine; heat the die of the film blowing machine to 175-205°C, setting 3-6 In each extrusion interval, the material is plasticized and pulled by the air compressor to form a film; after being cooled by the air ring, it is cut and rewinded to obtain a PE monolayer film with a thickness of 0.03mm. The easy-to-tear PE film material can be torn by hand in any direction, and it can be torn in a straight line in both the horizontal and vertical directions without causing deviation. The packaging bag can be opened without borrowing any tools, which is very convenient to use.
[0072] Table 1 Single-layer film formula table%
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[0074]
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[0075] Example 2
[0076] The dosage of each component is shown in Table 1. The preparation method is the same as that in Example 1, and the PE monolayer film is 0.05 mm.
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[0077] Example 3
[0078] The dosage of each component is shown in Table 1. The preparation method is the same as that in Example 1, and the PE monolayer film is 0.06 mm.
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