Multi layer film

A technology of layer thickness and weight ratio, applied to layered products, synthetic resin layered products, containers with multiple items, etc., can solve problems such as unsatisfactory packaging, and achieve excellent puncture resistance and excellent sealing properties , the effect of reducing the size

Active Publication Date: 2011-10-26
SAUDI BASIC IND CORP SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these solutions generally do not result in a package that meets the need to provide good protection for the packaged product.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0086] The 5-layer film with a thickness of 55 microns includes the following:

[0087] ·The first layer has a thickness of 15 microns and contains 80% by weight of low density polyethylene and 20% by weight of linear low density polyethylene

[0088] ·The second layer has a thickness of 5 microns and contains 60% by weight of high density polyethylene and 40% by weight of linear low density polyethylene

[0089] ·The third layer has a thickness of 15 microns and contains 60% by weight linear low density polyethylene and 40% by weight low density polyethylene

[0090] · The fourth layer, with a thickness of 5 microns, and containing 60% by weight of high-density polyethylene and 40% by weight of linear low-density polyethylene

[0091] · The fifth layer has a thickness of 15 microns and contains 60% by weight linear low density polyethylene and 40% by weight low density polyethylene.

[0092] The weight percentage is relative to the total amount of polyethylene in each layer.

[0093] The...

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Abstract

The invention is directed to a multi layer film to be used as a flexible packaging material for enclosing and containing one ore more compressible products in a sealed condition. The 5 layer film according to the invention consists of: I. a first layer comprising low density polyethylene, II. a second layer comprising high density polyethylene, III. a third layer comprising linear low density polyethylene, IV. a fourth layer comprising high density polyethylene and V. a fifth layer comprising linear low density polyethylene.

Description

Technical field [0001] The present invention relates to a multilayer film that can be used as a flexible packaging material for packaging and containing one or more compressible products in a sealed state. The present invention also relates to a package containing the product in a compressed state, the package containing the multilayer film of the present invention. Background technique [0002] Companies and consumers are increasingly concerned about the environmental and sustainability aspects of packaging (see, for example, Challenges to Packaging in a global world, Gunilla Jonson, Marcus Wallenberg Prize symposium, September 30, 2005 and Marsh, Food Packaging, Journal of Food Science , Vol. 72, 3, 2007, pages 39-55). Using a smaller amount of raw materials, reducing costs and developing additional packaging functionality has become an important goal of research and development. As far as packaging is concerned, there are many theoretical options for improving sustainability...

Claims

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Application Information

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IPC IPC(8): B32B27/32B65D71/00B65D85/16B32B7/02B65D85/07
CPCB32B27/32B32B7/02B32B27/08B32B27/18B32B27/20B32B27/327B32B2250/05B32B2250/24B32B2270/00B32B2307/50B32B2307/54B32B2307/546B32B2307/558B32B2307/5825B32B2307/72B32B2439/06B32B2439/46B32B2553/00Y10T428/24992Y10T428/1352Y10T428/24975Y10T428/1393
InventorA·龙扎尼
OwnerSAUDI BASIC IND CORP SA