Co-extruded self-adhesive polypropylene film and production process thereof
A polyethylene film and production process technology, applied in the direction of layered products, synthetic resin layered products, chemical instruments and methods, etc., can solve the problems of environmental pollution, glue residue, easy residue, etc., and achieve cost reduction and release Good strength, solve the effect of destruction
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Embodiment 1
[0020] Embodiment 1, wherein the polymer material accounts for 8.8% by weight, polyethylene accounts for 90% by weight, and silicon dioxide accounts for 1.2% by weight. The polymer material is thermoplastic elastomer (POEdow8150).
Embodiment 2
[0021] Embodiment 2, wherein the polymer material accounts for 12% by weight, polyethylene accounts for 87% by weight, and silicon dioxide accounts for 1% by weight. The polymer material is thermoplastic elastomer (POEdow8150).
[0022] Embodiment 2, wherein the polymer material accounts for 15.2% by weight, polyethylene accounts for 84% by weight, and silicon dioxide accounts for 0.8% by weight. The polymer material is thermoplastic elastomer (POEdow8150).
[0023] A kind of production technique of co-extrusion self-adhesive polyethylene film of the present invention comprises following technique and step:
[0024] 1). The polymer masterbatch is made by mixing polymer materials and polyethylene to granulate. The granulation temperature is between 220°C and 240°C to solve the problem of residue and product high temperature protection. The time is 28-32 minutes; In this example it was 30 minutes.
[0025] 2). Drier for drying.
[0026] 3). To solve the release problem, the ...
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