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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

Inactive Publication Date: 2012-07-04
GUANGZHOU EASTERN RAINBOW MASTERBATCH FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the use of high-density polyethylene as the carrier resin in the filler masterbatch, its color is high and its toughness is low

Method used

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  • High-filling master batch composition for food and medicine packaging polyolefin
  • High-filling master batch composition for food and medicine packaging polyolefin
  • High-filling master batch composition for food and medicine packaging polyolefin

Examples

Experimental program
Comparison scheme
Effect test

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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Abstract

The invention discloses a high-filling master batch composition for food and medicine packaging polyolefin. A carrier resin is a polyolefin resin which comprises a metallocene polyolefin resin. The composition also comprises filler and a functional aid which comprises a dispersing agent, a coupling agent, a lubricating agent and a stabilizing agent, or a mixture of two of the dispersing agent, the coupling agent, the lubricating agent and the stabilizing agent. The metallocene polyolefin resin is introduced and is used as the carrier resin, and the conventional functional aid and the filler are added, so the obtained filling master batch composition is high in whiteness, dispersibility, melt fluidity, and processability, and good in normal-temperature and low-temperature impact resistance performance, and a product meets the contact and control requirements of food and medicines, can be used as the filling master batch special for the packaging plastic of the foods and medicines, and has the function of coloring master batch.

Description

technical field [0001] The present invention relates to a fine chemical color masterbatch and filler masterbatch formula composition, specifically, the present invention relates to a filler masterbatch composition for food and drug packaging polyolefin, especially suitable for filling polypropylene materials for food and drug packaging, high filling Density polyethylene material. Background technique [0002] Filler masterbatch refers to the pellets obtained by mixing various additives, fillers and a small amount of carrier resin in the process of plastic processing and molding. It consists of three parts: carrier resin, filler and various additives. Performance and cost depend primarily on the carrier resin. The filler masterbatch can be obtained by mixing fillers, carrier resins and functional additives and extruding pellets. It is a kind of regular geometric figure (such as cylindrical, ellipsoid) particles. The main component of filler masterbatch is filler, which is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/00C08L23/12C08L23/14C08L23/06C08L23/08C08K13/02
Inventor 曹艳霞张廷丰张盛侨
Owner GUANGZHOU EASTERN RAINBOW MASTERBATCH FACTORY
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