Heat insulation plastic aluminum blending bag film coating material composition
A technology of material composition and lamination, applied in the direction of chemical instruments and methods, layered products, metal layered products, etc., can solve the problems of uneven aluminum foil, low tensile strength, poor sealing, etc., to improve the packaging grade, High tensile strength and good sealing effect
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[0011] Example 1
[0012] Weigh polypropylene 500P55kg, low-density polyethylene 1C7A25kg, linear polyethylene 70425kg, and DuPont EVA 3kg.
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[0013] Example 2
[0014] Weigh polypropylene 500P60kg, low-density polyethylene 1C7A30kg, linear polyethylene 70426kg, and DuPont EVA 4kg.
[0015] The methods for preparing Examples 1 and 2 are: adding the above-mentioned raw materials into a stirred tank, controlling the rotating speed to 3000-3500r / min, stirring at high speed for 20-30min, adjusting the rotating speed 2000-2500r / min, and continuously stirring for 30- After 40min, take it out and get it.
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