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Composite salad sauce packaging membrane and preparation method thereof

A composite film and salad technology, which is applied in the field of packaging materials, can solve the problems of packaging contents eroding the glue layer, affecting the packaging and shelf life of the contents, and delamination of the glue layer.

Inactive Publication Date: 2017-01-04
GUANGDONG BAOJIALI COLOR PRINTING IND CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Salad dressing has the characteristics of sour, spicy and salty. In the traditional process of packaging acid and alkaline products, PET / dry compound / PE structure is usually used, that is, the PET film and PE film are glued together through the glue layer. This structure is easy The contents of the package erode the glue layer, resulting in stratification of the glue layer, which affects the packaging and shelf life of the contents

Method used

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  • Composite salad sauce packaging membrane and preparation method thereof
  • Composite salad sauce packaging membrane and preparation method thereof

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Embodiment Construction

[0024] Such as Figure 1 to Figure 2 As shown, this specific embodiment adopts the following technical scheme: it includes successively connected 12 μm PET printing film layer 1, 15-20 μm functional polyethylene film layer 2, and 60-80 μm PE film layer 3 closely bonded together; The polyethylene film layer 2 is a double-layer co-extruded composite structure, and the side where the functional polyethylene film layer 2 is bonded to the PET printing film layer 1 is an ethylene acrylic acid copolymer layer 21; the functional polyethylene film layer 2 is bonded to the PE film layer 3. The side connected is low-density polyethylene and white masterbatch blending layer 22, and the weight ratio of low-density polyethylene and white masterbatch is 20~24:3; Described ethylene acrylic acid copolymer layer 21 and low-density polyethylene The thickness ratio of the blended layer 22 with the white masterbatch is 2:3-9:10.

[0025] Wherein, the grade of the ethylene acrylic acid copolymer i...

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Abstract

The invention discloses a composite salad sauce packaging membrane and a preparation method thereof and belongs to the technical field of packaging materials. The composite salad sauce packaging membrane comprises a PET printing film layer of 12 microns, a functional polyethylene film layer of 15-20 microns and a PE film layer of 60-80 microns which are sequentially connected and tightly adhered. The functional polyethylene film layer is of a double-layer co-extrusion composite structure, and the side, bonded with the PET printing film layer, of the functional polyethylene film layer is an ethylene acrylic acidcopolymer layer. The side, bonded with thePE film layer, of the functional polyethylene film layer is a low-density polyethylene and white masterbatch blended layer, and the weight ratio of low density polyethylene to white masterbatch is 20-24 to 3. The composite salad sauce packaging membrane has the excellent properties of high sealing strength, low cost, good sealing effect, good flatness, pollution resistance and the like and also has the advantages of being goodin medium resistance effect, low in cost, not prone to layering and the like.

Description

technical field [0001] The invention relates to the technical field of packaging materials, in particular to a salad dressing packaging composite film and a preparation method thereof. Background technique [0002] With the quickening of the pace of life, the small composite film packaging of salad dressing has gained people's favor due to its advantages of convenient carrying, elegant appearance and quick use. Salad dressing has the characteristics of sour, spicy and salty. In the traditional process of packaging acid and alkaline products, PET / dry compound / PE structure is usually used, that is, the PET film and PE film are glued together through the glue layer. This structure is easy The contents of the package erode the glue layer, resulting in stratification of the glue layer, which affects the packaging and shelf life of the contents. Contents of the invention [0003] In view of the above problems, the technical problem to be solved by the present invention is to pr...

Claims

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Application Information

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IPC IPC(8): B32B27/08B32B27/32B32B27/36
CPCB32B27/08B32B27/32B32B27/36B32B2250/24B32B2439/70
Inventor 李志明李志勇
Owner GUANGDONG BAOJIALI COLOR PRINTING IND CO LTD
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