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High-resistance seven-layer co-extrusion transfusion packaging film and production method

A packaging film and high-barrier technology, which is applied in the field of high-barrier seven-layer co-extrusion packaging film for infusion, can solve the problems of bubbles and packaging films that cannot replace glass bottle packaging, and achieve the effect of reducing bubbles and improving high barrier performance

Active Publication Date: 2013-12-11
江苏博生医用新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the existing packaging film cannot replace the glass bottle packaging, and needs to use an outer bag, an oxygen absorber, and bubbles in the packaging film foam test; therefore, the present invention also provides a method for producing this packaging film production method

Method used

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  • High-resistance seven-layer co-extrusion transfusion packaging film and production method

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Embodiment 1

[0017] Embodiment 1. This embodiment provides a high-barrier seven-layer co-extruded packaging film for infusion, which adopts a seven-layer film composite structure, including polyethylene terephthalate layers, ethylene acrylic acid polymer layers, and layer, ethylene-vinyl alcohol copolymer layer, ethylene methacrylate copolymer layer, polypropylene layer with styrene-ethylene\butylene-styrene polymer added, copolymerized polypropylene layer and modified polypropylene layer.

[0018] Among them, the copolymerized polypropylene layer is added with ethylene-octene copolymer, and the ethylene-octene copolymer is 15% of the copolymerized polypropylene by weight; in the polypropylene layer added with styrene-ethylene\butylene-styrene polymer , Styrene-ethylene\butylene-styrene polymer accounts for 20% of polypropylene by weight, and the raw materials of these two layers are processed by blending modification process separately.

[0019] Wherein, the thickness of the polyethylene ...

Embodiment 2

[0028]Embodiment 2. This embodiment provides a high-barrier seven-layer co-extruded packaging film for infusion, which adopts a seven-layer film composite structure, including a polyamide layer, an ethylene-vinyl alcohol copolymer layer, an ethylene methyl Acrylate copolymer layer, styrene-ethylene\butylene-styrene polymer added polypropylene layer, co-polypropylene layer, ethylene propylene polymer layer and modified polypropylene layer.

[0029] Among them, the thickness of the polyamide layer is 18um, the thickness of the ethylene-vinyl alcohol copolymer layer is 18um, the thickness of the ethylene methacrylate copolymer layer is 8um, and the polypropylene layer added with styrene-ethylene\butylene-styrene polymer The thickness is 102um, the thickness of the copolymerized polypropylene layer is 18um, the thickness of the ethylene propylene polymer layer is 18um, the thickness of the modified polypropylene is 18um, and the rest is as described in the first embodiment.

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Abstract

The invention provides a high-resistance seven-layer co-extrusion transfusion packaging film and a production method. The packaging film is in a seven-layer film composite structure, and comprises a polyethylene glycol terephthalate layer, an ethylene acrylic polymer layer, an ethylene-ethenol copolymer layer, an ethylene methacrylate copolymer layer, a polypropylene layer added with a styrene-ethylene / butene-styrene polymer, a copolymerized propylene layer and a modified polypropylene layer which are sequentially arrayed from outside to inside. High resistance is achieved; the oxygen permeation quantity is 320.30 in a unit of cm<3> / m<2>.24h.0.1Mpa; the nitrogen permeation quantity is 87.50 in a unit of cm<3> / m<2>.24h.0.1Mpa; the moisture permeation quantity is 0.76 in a unit of g / m<2>.24h; and a foam experiment of the packaging film does not generate bubbles or reduce the bubbles greatly.

Description

technical field [0001] The invention relates to a high-barrier seven-layer co-extrusion packaging film for infusion based on medical use, and simultaneously provides a production method of the high-barrier seven-layer co-extrusion packaging film for infusion. Background technique [0002] Disposable multi-layer co-extrusion infusion packaging film is used to make multi-layer co-extrusion infusion soft bags. It is a green packaging material that was launched abroad at the end of the last century. It represents the highest level of infusion packaging materials today. It is a veritable high-tech product. The mainstream product of infusion packaging materials in the world today is widely used in developed countries. The product has the advantages of no pollution, no toxicity, high barrier, high temperature resistance, good transparency, convenient use, environmental protection, etc., overcomes some shortcomings of other infusion packaging materials, and is a Class I drug packagi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/08B32B27/30B32B27/32B32B27/18B65D65/40B29C47/08B29C69/02
Inventor 白石张吕义
Owner 江苏博生医用新材料股份有限公司