High-filling master batch composition for food and medicine packaging polyolefin
A technology of filling masterbatch and composition, which is applied in the field of filling masterbatch composition for polyolefin for food and drug packaging, filling high-density polyethylene materials, and filling polypropylene materials for food and drug packaging, which can solve the problem of high color and low toughness And other issues
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Embodiment 1
[0057] The composition consists of the following components in parts by weight:
[0058] Low-density polyethylene LDPE: 30 parts (MI is 20±5g / 10min)
[0059] Linear low density polyethylene LLDPE: 10 parts (MI is 33±5g / 10min)
[0060] Metallocene polyethylene mLDPE: 5 parts (MI is 6.0±1g / 10min)
[0061] Titanium dioxide: 10 parts
[0062] Heavy calcium carbonate: 60 parts (particle size is 2500 mesh)
[0063] Low molecular weight PE wax dispersant: 2 parts (weight average molecular weight about 3000)
[0064] Titanate coupling agent: 3 parts
[0065] N, N-ethylene bis stearic acid amide (EBS): 3 parts
[0066] The obtained filling masterbatch composition has a high appearance brightness, a whiteness of 77 degrees, and an MI range of 10-25g / 10min (190°C / 2.16kg).
Embodiment 2
[0068]The composition consists of the following components in parts by weight:
[0069] Low-density polyethylene LDPE: 30 parts (MI is 20±5g / 10min)
[0070] Linear low density polyethylene LLDPE: 5 parts (MI is 50±5g / 10min)
[0071] Metallocene polyethylene mLDPE: 5 parts (MI is 12±1g / 10min)
[0072] Talc powder: 60 parts (particle size is 2500 mesh)
[0073] Low molecular weight PE wax dispersant: 2 parts (weight average molecular weight about 6000)
[0074] Titanate coupling agent: 1 part
[0075] N, N-ethylene bis stearic acid amide: 3 parts
[0076] The obtained filling masterbatch composition has a high appearance brightness, a whiteness of 78 degrees, and an MI range of 10-25g / 10min (190°C / 2.16kg).
Embodiment 3
[0078] The composition consists of the following components in parts by weight:
[0079] Homopolypropylene PP: 30 parts (MI is 12±2g / 10min)
[0080] Metallocene linear low density polyethylene mLLDPE: 15 parts (MI is 20±5g / 10min)
[0081] Titanium dioxide: 15 parts (average particle size is 0.25 microns)
[0082] Talc powder: 55 parts (particle size is 4000 mesh)
[0083] Oxidized polyethylene wax: 5 parts
[0084] Erucamide: 2 parts
[0085] Antioxidant 1010: 3 parts
[0086] Antioxidant 168: 6 parts
[0087] The obtained filling masterbatch composition has a high appearance brightness, a whiteness of 77 degrees, and an MI range of 5-20g / 10min (230°C / 2.16kg).
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