Light-proof food packaging film

A technology of food packaging film and shading glass, applied in packaging, wrapping paper, household packaging, etc., can solve the problem that food packaging film cannot meet packaging requirements, and achieve the effect of beautiful and generous shading performance and simple structure

Inactive Publication Date: 2015-05-06
靖江市东晨彩印厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some special foods have certain requirements for external light when they are stored, and ordinary food packaging films cannot meet the packaging requirements of such foods

Method used

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  • Light-proof food packaging film

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Embodiment Construction

[0010] The present invention will be further described now in conjunction with accompanying drawing. These drawings are simplified schematic diagrams only to illustrate the basic structure of the present invention in a schematic way, so they only show the components relevant to the present invention.

[0011] Such as figure 1 A light-shielding food packaging film shown has an aluminum base layer 1 covered with a casting polypropylene layer 2, a printing layer 3 is attached to the casting polypropylene layer 2, and a printing layer 3 is attached to the printing layer 3. It is covered with a brown light-shielding cellophane layer 5 , and there is a polyethylene layer 4 under the aluminum base layer 1 . The printing layer 3, the casting polypropylene layer 2, the aluminum base layer 1, and the polyethylene layer 4 are bonded and connected by an adhesive. The brown light-shielding cellophane layer 5 is not easily stained with dust and has a certain light-shielding performance. T...

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Abstract

The invention discloses a light-proof food packaging film. The light-proof food packaging film has an aluminum substrate; the aluminum substrate is covered with a casting polypropylene layer; a printing layer is attached on the casting polypropylene layer and is covered with a brown light-proof glass paper layer; and a polyethylene layer is arranged below the aluminum substrate. The light-proof food packaging film has the advantages of simple structure, beautiful appearance and certain light-proof performance.

Description

technical field [0001] The invention relates to a light-shielding food packaging film. Background technique [0002] Blackout food packaging film is an important part of food packaging. Ordinary shading food packaging film will use paper base or aluminum base or PE and other materials. Some special foods have certain requirements for external light when they are stored, and ordinary food packaging films cannot meet the packaging requirements of such foods. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art and provide a light-shielding food packaging film that is elegant in appearance and has a certain light-shielding performance. [0004] The technical solution adopted by the present invention to solve the technical problem is: a light-shielding food packaging film, which has an aluminum base layer, and the cast polypropylene layer is covered on the aluminum base layer, and the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B15/085B32B27/06B65D65/40
CPCB32B15/085B32B5/02B32B7/12B32B15/20B32B17/10B32B2250/03B32B2262/101B32B2307/41B32B2307/50B32B2439/70
Inventor 陈江
Owner 靖江市东晨彩印厂
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