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Transparent plastic film

A plastic film, transparent technology, used in flexible coverings, packaging, wrapping paper, etc., can solve problems such as unfavorable cost savings

Inactive Publication Date: 2012-11-28
太仓市鸿运包装材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this will add one more process, which is not conducive to cost saving

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] 1) Fully mix 80% high-density polyethylene, 16% linear polyethylene and 4% blocker masterbatch by weight, and heat the above raw materials to 250°C to melt the raw materials;

[0020] 2) Extrude the molten raw material, and control the extrusion temperature at 230°C;

[0021] 3) Casting and cooling the extruded raw material to obtain the product of the present invention.

Embodiment 2

[0023] 1) Fully mix 70% high-density polyethylene, 25% linear polyethylene and 5% blocker masterbatch by weight, and heat the above raw materials to 250°C to melt the raw materials;

[0024] 2) Extrude the molten raw material, and control the extrusion temperature at 230°C;

[0025] 3) Casting and cooling the extruded raw material to obtain the product of the present invention.

Embodiment 3

[0027] 1) Fully mix 75% high-density polyethylene, 21% linear polyethylene and 4% blocker masterbatch by weight, and heat the above raw materials to 250°C to melt the raw materials;

[0028] 2) Extrude the molten raw material, and control the extrusion temperature at 230°C;

[0029] 3) Casting and cooling the extruded raw material to obtain the product of the present invention.

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Abstract

The invention discloses a transparent plastic film. The transparent plastic film comprises the following components in percentage by weight: 70 to 80 percent of high density polyethylene, 16 to 25 percent of linear polyethylene and 5 to 7 percent of open agent master batch. The transparent plastic film obtained by proportioning the raw materials has high surface tension, and the surface tension of the film reaches 38 to 44 dynes per centimeters.

Description

technical field [0001] The invention relates to a transparent plastic film, in particular to a transparent plastic film capable of increasing surface tension. Background technique [0002] Transparent plastic films are films made of polyvinyl chloride, polyethylene, polypropylene, polystyrene, and other resins that are used for packaging and as laminations. [0003] Plastic packaging and plastic packaging products account for an increasing share in the market, especially composite plastic flexible packaging, which has been widely used in food, medicine, chemical and other fields, among which food packaging accounts for the largest proportion, such as beverage packaging , quick-frozen food packaging, cooking food packaging, fast food packaging, etc., these products have brought great convenience to people's lives. [0004] An important index to measure the plastic film is the surface tension. The surface tension of the plastic film depends on the surface free energy of the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08J3/22B65D65/38
Inventor 王向东
Owner 太仓市鸿运包装材料有限公司
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