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A scratch-resistant PE film packaging material and preparation method thereof

A film packaging and scratch-resistant technology, applied in the field of packaging materials, can solve the problems of limited application range of PVC material film, poor stability of PVC material, impact on human health, etc., and achieve the effect of protecting appearance quality, convenient production and good texture

Active Publication Date: 2016-11-02
广州春骏材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Polyvinyl chloride, referred to as PVC, is a thermoplastic resin polymerized by vinyl chloride under the action of an initiator. It has good mechanical properties and is widely used in the packaging of cooked food products, but the stability of PVC material is poor. It will decompose under the action of heat and light, and the mechanical strength will also decrease. As food packaging, long-term use will affect human health and cannot meet the requirements of sterility. These limit the scope of application of PVC material films

Method used

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  • A scratch-resistant PE film packaging material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] (1) Dry the PE resin, polyvinyl alcohol, vinyl bisstearamide and glycerol for later use;

[0031] (2) Weigh 50kg of PE resin, 20kg of polyvinyl alcohol, 2kg of polyvinylidene fluoride, 5kg of zinc stearate and 0.5kg of vinyl bisstearamide into the reaction kettle at 300 rpm, stir for 15min, and heat to 110°C, pressurize 0.5MPa, react for 3h to obtain a polymer melt;

[0032] (3) Add 0.5 kg of glycerol to the product in step 2, then extrude, pelletize, and dry to obtain polyester chips;

[0033] (4) The polyester chips in step 3 were melt-extruded at 260°C, cast and wound, biaxially stretched, cooled and shaped to obtain a scratch-resistant PE film packaging material, and the biaxially stretched temperature was 110°C.

[0034] The performance test results of the prepared scratch-resistant PE film packaging material are shown in Table 1.

Embodiment 2

[0036] (1) Dry the PE resin, polyvinyl alcohol, vinyl bisstearamide and glycerol for later use;

[0037] (2) Weigh 80kg of PE resin, 30kg of polyvinyl alcohol, 6kg of fluorinated ethylene propylene, 1kg of zinc stearate and 2kg of vinyl bisstearamide, pour them into the reaction kettle at 350 rpm, stir for 10min, and heat to 150 °C, pressurize 0.5MPa, react for 2h to obtain a polymerized melt;

[0038] (3) Add 1 kg of glycerol to the product in step 2, then extrude, pelletize, and dry to obtain polyester chips;

[0039] (4) Melt-extrude the polyester slices in step 3 at 270°C, cast the sheets, wind them, biaxially stretch them, and cool them to shape them to obtain a scratch-resistant PE film packaging material. The biaxial stretching temperature is 115°C.

[0040] The performance test results of the prepared scratch-resistant PE film packaging material are shown in Table 1.

Embodiment 3

[0042] (1) Dry the PE resin, polyvinyl alcohol, vinyl bisstearamide and glycerol for later use;

[0043] (2) Weigh 60kg of PE resin, 15kg of polyvinyl alcohol, 10kg of ethylene tetrafluoroethylene copolymer, 3kg of zinc stearate and 1kg of vinyl bisstearamide into the reaction kettle at 200 rpm, stir for 20min, and heat To 130°C, pressurize 0.5MPa, react for 3h to obtain a polymer melt;

[0044] (3) Add 2 kg of glycerol to the product in step 2, then extrude, pelletize, and dry to obtain polyester chips;

[0045] (4) Melt-extrude the polyester chips in step 3 at 280°C, cast and wind the sheet, biaxially stretch, cool and shape to obtain a scratch-resistant PE film packaging material, and the biaxially stretching temperature is 110°C.

[0046] The performance test results of the prepared scratch-resistant PE film packaging material are shown in Table 1.

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Abstract

The invention discloses a scratch-resistant PE (polyethylene) film packaging material and a preparation method thereof. The packaging material is prepared from the following components in parts by weight: 50-80 parts of PE resin, 15-30 parts of polyvinyl alcohol, 2-10 parts of scratch-resistant agent, 1-5 parts of zinc stearate, 0.5-2 parts of vinyl bis stearamide and 0.5-2 parts of glycerol. The prepared PE film packaging material has the advantages of favorable scratch resistance and favorable mechanical properties. The method is simple in technique, easy to repeat and applicable to various packaging machines.

Description

technical field [0001] The invention belongs to the field of packaging materials, in particular to a scratch-resistant PE film packaging material and a preparation method thereof. Background technique [0002] With the continuous improvement of people's living standards, people are paying more and more attention to the quality of life. While there are many requirements for product performance, the packaging and appearance of products are also getting higher and higher. When people choose products, product packaging The quality and appearance of the product have also become a very important consideration for people to choose products and judge product quality. [0003] At present, the outer packaging film materials on the market usually use ethylene as the raw material, the most common of which is polyvinyl chloride. Polyvinyl chloride, referred to as PVC, is a thermoplastic resin polymerized by vinyl chloride under the action of an initiator. It has good mechanical properti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/06C08L29/04C08L27/16C08L23/08C08K5/098C08K5/20C08K5/053
CPCC08L23/06C08L2203/16C08L2205/03C08L29/04C08L27/16C08K5/098C08K5/20C08K5/053C08L27/12C08L23/0892
Inventor 曾俊明彭巧玲
Owner 广州春骏材料科技有限公司
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