Preparation process of plastic film
A technology of plastic film and preparation process, which is applied in the direction of flat products, applications, household appliances, etc., and can solve the problems of narrow application range, poor adaptability, and high processing cost of non-adhesive composite film
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[0017] A preparation process of a plastic film is characterized in that the ingredients of the plastic film are: the polypropylene component is 55-95%, the maleic anhydride graft modified product component of polyolefin is 2-30%, and the masterbatch component is 2-30%. Divided into 0.5-30%,
[0018] The anti-sticking agent component contained in the agent masterbatch is 0-2%, the antistatic agent component is 0-5%, the matting masterbatch component is 0-20%, and the titanium dioxide and calcium carbonate components are 0-20%. 20%.
[0019] A kind of preparation technology of plastic film comprises the following steps:
[0020] Put the ingredients into the corresponding extruder for melting and plasticizing at 180°C-280°C, extrude and confluence in T-shaped or hanger-shaped die, and extrude through the die at 180°C-280°C;
[0021] Cool the die extruded product of the support layer through a cooling device at 10°C-60°C to form a membrane;
[0022] The film is preheated, stret...
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