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Color master batch suitable for milk product packaging materials utilizing polypropylene as base material

A packaging material, polypropylene technology, applied in the field of color masterbatch, can solve problems such as poor antibacterial effect, and achieve the effects of durable quality, high barrier property, and quality protection

Inactive Publication Date: 2018-11-27
北京金天化塑胶有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the shortcomings of poor antibacterial effect in the prior art, and propose a color masterbatch suitable for dairy product packaging materials based on polypropylene

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A color masterbatch suitable for dairy product packaging materials based on polypropylene, made of raw materials with the following weight ratio: 100 parts of polypropylene, 60 parts of pigment, 1 part of antibacterial agent, 1 part of lubricant, dispersing dose 0.1 part.

[0022] Wherein, the pigment is a mixture of mineral pigment and biological pigment with a mass ratio of 0.8:1.5, the mineral pigment is red clay, and the biological pigment is cochineal.

[0023] Wherein, the antibacterial agent is glass-type inorganic powder containing nano-silver.

[0024] Wherein, the lubricant is a mixture of graphite and graphite fluoride in a mass ratio of 1:1.5.

[0025] Wherein, the dispersant is ethylene bis stearamide.

Embodiment 2

[0027] A color masterbatch suitable for dairy product packaging materials based on polypropylene, made of the following raw materials in the weight ratio: 120 parts of polypropylene, 80 parts of pigment, 5 parts of antibacterial agent, 5 parts of lubricant, dispersion 0.2 parts of the agent.

[0028] Among them, the pigment is a mixture of mineral pigment and biological pigment with a mass ratio of 0.8:1.5, the mineral pigment is a mixture of laterite and realgar with a mass ratio of 1:1, and the biological pigment is natural fish scale powder.

[0029] Wherein, the antibacterial agent is glass-type inorganic powder containing nano-silver.

[0030] Wherein, the lubricant is a mixture of graphite and graphite fluoride in a mass ratio of 1:1.5.

[0031] Wherein, the dispersant is ethylene bis stearamide.

Embodiment 3

[0033] A color masterbatch suitable for dairy product packaging materials based on polypropylene, made of the following raw materials in the weight ratio: 110 parts of polypropylene, 70 parts of pigment, 3 parts of antibacterial agent, 3 parts of lubricant, dispersion dose 0.1 part.

[0034] Wherein, the pigment is a mixture of mineral pigment and biological pigment with a mass ratio of 0.8:1.5, the mineral pigment is mica powder, and the biological pigment is a mixture of gamboge, alizarin red, and indigo with a mass ratio of 1:1:1.

[0035] Wherein, the antibacterial agent is glass-type inorganic powder containing nano-silver.

[0036] Wherein, the lubricant is a mixture of graphite and graphite fluoride in a mass ratio of 1:1.5.

[0037] Wherein, the dispersant is ethylene bis stearamide.

[0038] According to an embodiment of the present invention, there is also provided a method for preparing a color masterbatch suitable for a dairy product packaging material based on p...

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Abstract

The invention discloses a color master batch suitable for milk product packaging materials utilizing polypropylene as a base material. The color master batch contains the following components in partsby weight: 100-120 parts of polypropylene, 60-80 parts of pigments, 1-5 parts of an antibacterial agent, 1-5 parts of a lubricating agent and 0.1-0.2 part of a dispersing agent. A production processof the color master batch comprises the following steps: mixing, blending and extrusion granulation. By virtue of the cooperative use of polypropylene and the antibacterial agent, a polypropylene color master batch is endowed with excellent antibacterial property and high barrier property, the processing formation properties of the antibacterial agent, polypropylene and the pigments are enhanced,and meanwhile, the antibacterial agent is unlikely to migrate out, so that the produced polypropylene color master batch has durable antibacterial activity after being produced into a milk product package, and the quality of the mild products can be durably maintained.

Description

technical field [0001] The invention relates to a color masterbatch, in particular to a color masterbatch suitable for dairy product packaging materials with polypropylene as the base material. Background technique [0002] Polypropylene has the advantages of rich sources of raw materials, cheap price, easy molding and processing, good rigidity and excellent mechanical properties, heat resistance, chemical resistance, excellent comprehensive performance, non-toxic, recyclable, etc., and is widely used in Industries such as automobile industry, household appliances, industrial supporting materials, packaging, office supplies, medical supplies and daily necessities have become the fastest-growing varieties of general-purpose plastics. Among plastic products, one-shot polypropylene exterior trims are more energy-efficient and material-saving than traditional metal exterior trims. The non-polar characteristics of polypropylene molecules make its surface free energy and surface ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08K13/04C08K3/08C08K3/04C08K5/20C08J3/22
CPCC08J3/226C08J2323/12C08J2423/12C08K3/04C08K5/20C08K2003/0806C08K2201/011C08K2201/014
Inventor 张正义高威
Owner 北京金天化塑胶有限公司
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