Aluminum-plastic film for lithium battery packaging

A technology of aluminum-plastic film for packaging, which is applied in packaging, wrapping paper, transportation and packaging, etc. It can solve the problems of high requirements for solvent bonding layer and difficulty in quality assurance, and achieve tensile and compressive strength and hardness properties Good, good heat resistance, strong impact strength effect

Inactive Publication Date: 2016-07-20
廖雪光
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the aluminum-plastic film for dry-type composite lithium battery flexible packaging has high requirements for the solvent bonding layer, and it is difficult to guarantee the quality

Method used

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  • Aluminum-plastic film for lithium battery packaging

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Embodiment Construction

[0019] Below in conjunction with each specific embodiment and accompanying drawing, the present invention will be further described:

[0020] See figure 1 As shown, an aluminum-plastic film for lithium battery packaging has good electrolyte resistance, good formability, good heat-sealing strength, good barrier property, and good flatness. This kind of aluminum-plastic film for lithium battery packaging has a layered structure, which consists of an aluminum base layer (AL) 1 in the middle, and is distributed sequentially from the aluminum base layer (AL) 1 to a new functional adhesive resin layer (AD) 2, a two-component Adhesive coating nylon layer (OPA) 3, UV coating 6, from the aluminum base layer (AL) 1 down to the new functional adhesive resin layer (AD) 2, homopolypropylene (PP) 4, copolymerized polypropylene layer (CPP)5. Since the layered structure of the flexible aluminum-plastic film material for lithium batteries of the present invention is distributed, the stress o...

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Abstract

The invention relates to an aluminum-plastic film for lithium battery packaging. The aluminum-plastic film has good electrolyte resistance, good forming performance, high heat sealing strength, high barrier performance and high flatness, is of a layered structure and comprises a novel functional adhesive resin layer (AD), a double-component adhesive coating nylon layer (OPA), an aluminum-based layer (AL) in the middle, a novel functional adhesive resin layer (AD), a homopolypropylene layer (PP) and a copolypropylene layer (CPP), the AD and OPA are distributed upwards from the ALz, and the AD, the PP and the CPP are sequentially distributed below the AL. The novel functional adhesive resin layer, the polyurethane double-component adhesive, the novel functional adhesive resin layer, the homopolypropylene layer and the copolypropylene layer are symmetrically distributed from the aluminum-based layer to the outer side sequentially, so that the aluminum-plastic film is more uniform in material stress and conducive to stretching and forming. Most importantly, novel functional adhesive resin is developed and can stick various materials quite firmly.

Description

technical field [0001] The invention relates to the technical field of aluminum-plastic film for lithium battery packaging, in particular, the invention relates to an aluminum-plastic film for lithium battery packaging. Background technique [0002] At present, the aluminum-plastic film for lithium battery packaging in the market is monopolized by two Japanese companies. Although many domestic manufacturers are developing it, they have failed. There is no domestically produced aluminum-plastic film for lithium battery flexible packaging in the market. Flexible packaging lithium batteries are widely used in the packaging of lithium batteries due to their advantages of being thin, large in size, irregular in shape, non-combustible, and extremely small in explosive power. [0003] At present, most of the aluminum-plastic films for flexible packaging of lithium batteries on the market are produced by dry lamination process. The particularity of the use of aluminum-plastic film ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/02B65D65/40B65D65/42B32B15/085B32B15/20B32B27/04B32B27/32B32B7/10B32B33/00H01M50/10H01M50/124
CPCB65D65/40B65D65/42B32B7/10B32B15/085B32B15/20B32B27/08B32B27/32B32B33/00B32B2255/10B32B2255/28B32B2255/26B32B2307/558B32B2307/54B32B2307/7246B32B2307/7265B32B2307/714B32B2307/712B32B2553/00B32B2457/10B65D2565/381H01M50/10H01M50/124Y02E60/10
Inventor 张红兵刘华熙
Owner 廖雪光
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