Matting material for BOPP matting film, preparation method thereof, and BOPP matting film
A matting film and masterbatch technology, which is applied in the field of BOPP matting film, matting material for BOPP matting film and its preparation, can solve the problems of poor matting effect on both sides of the film, improve uneven dispersion of matting, improve flow dispersion, and improve matting The effect of uniformity
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Embodiment 1
[0025] The matting material for the BOPP matting film of the present embodiment contains 46% copolymerized polypropylene, 40% high-density polyethylene, 10% masterbatch A, and 4% antioxidant masterbatch respectively by weight percentage. The above-mentioned copolymerized polypropylene is specifically two High-density polyethylene with a melt index of 5g / 10min (230°C, 2.16kg), the molecular weight distribution curve is a unimodal high-density polyethylene, and the melt index range is 0.03g / 10min (190°C, 2.16kg). kg). Wherein the masterbatch A contains 60% of the masterbatch matrix and 40% of the hydrogenated petroleum resin by weight percentage respectively, wherein the antioxidant masterbatch contains 95% of the masterbatch matrix and 5% of the antioxidant by weight percentage respectively, and the antioxidant specifically selects commercially available The 1010. The masterbatch bases are all polypropylene copolymers.
[0026] The preparation method of the matting material f...
Embodiment 2
[0029] The matting material for the BOPP matting film of the present embodiment contains 47% copolymerized polypropylene, 36% high-density polyethylene, 15% masterbatch A, and 2% antioxidant masterbatch respectively by weight percentage. The above-mentioned copolymerized polypropylene is specifically three High-density polyethylene, the melt index is 6.5g / 10min (230°C, 2.16kg), the high-density polyethylene is a high-density polyethylene with a single peak in the molecular weight distribution curve, and the melt index range is 0.15g / 10min (190°C, 2.16kg). Wherein the masterbatch A contains 40% of the masterbatch matrix and 60% of the hydrogenated petroleum resin by weight percentage, wherein the anti-oxidation masterbatch contains 90% of the masterbatch matrix and 10% of the antioxidant by weight percentage, and the antioxidant is specifically selected from commercially available 168. The masterbatch bases are all polypropylene copolymers.
[0030] The preparation method of ...
Embodiment 3
[0033] The matting material for the BOPP matting film of this embodiment contains 53% copolymerized polypropylene, 40% high-density polyethylene, 5% masterbatch A, and 2% anti-oxidation masterbatch by weight percentage, and the above-mentioned copolymerized polypropylene is binary Copolymer, melt index is 11g / 10min (230 ℃, 2.16kg), described high-density polyethylene is the high-density polyethylene that molecular weight distribution curve is bimodal, and melt index range is 1.5g / 10min (190 ℃, 2.16kg ). Wherein the masterbatch A contains 50% of the masterbatch matrix and 50% of the rosin resin by weight percentage respectively, wherein the antioxidant masterbatch contains 92% of the masterbatch matrix and 8% of the antioxidant by weight percentage respectively, and the antioxidant specifically selects commercially available 626. The masterbatch matrix is homopolypropylene.
[0034] The preparation method of the matting material for the BOPP matting film of the present embo...
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