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Brittle film

A technology of surface layer and core layer, applied in the field of anti-counterfeiting, can solve the problems of low strength, complex and non-environmental protection process of fragile layer, and achieve the effect of reducing production cost, good waterproof function and good fragile effect

Inactive Publication Date: 2012-07-04
FOSHAN SUXING MASTERBATCH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the fragile paper involved in these two inventions is waterproof, the strength of the fragile layer is too low, and it must be combined with glue and facial tissue or mask to meet the use requirements. Therefore, there are disadvantages of not being environmentally friendly and relatively complicated processes.

Method used

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Embodiment Construction

[0013] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0014] Such as figure 1 As shown, the fragile film of the present invention includes an upper surface layer 1, a core layer 2 and a lower surface layer 3 respectively arranged from top to bottom, and the upper surface layer 1, core layer 2 and lower surface layer 3 are co-extruded structures, forming a co-extruded structure The materials of the upper surface layer 1 and the lower surface layer 3 are thermoplastics, and the material of the core layer 2 constituting the co-extrusion structure is a thermoplastic filling modified material, and the filling modified material is an inorganic substance; the thermoplastic is composed of polyolefin, poly One or more mixtures of ethylene and polypropylene, as a preferred solution of the present invention, thermoplastics are composed of polyolefins; the inorganic matter is calcium c...

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Abstract

The invention discloses a brittle membrane, which sequentially comprises an upper surface layer, a core layer and a lower surface layer from top to bottom, and is characterized in that: the upper surface layer, the core layer and the lower surface layer are of a co-extruded structure, and a material of the upper surface layer and the lower surface layer forming the co-extruded structures is thermoplastics; and a material of the core layer forming the co-extruded structure is a filled and modified material of the thermoplastics, and the filled and modified material is inorganics. The brittle film with a three-layer structure by a multilayer co-extrusion and extension process has the advantages of waterproof and easily breaking effects, simple manufacture, and reduction in production cost.

Description

technical field [0001] The invention relates to the field of anti-counterfeiting technology, in particular to an anti-fake label adhesive film suitable for making easy to tear. Background technique [0002] Fragile Adhesive Paper Fragile tape is a kind of anti-counterfeiting label, which is widely used in the sealing of substances or items that need to be guaranteed. It can play the role of anti-counterfeiting and anti-tampering, or it can be used to distinguish goods from counterfeit goods and play an anti-counterfeiting role. The role of the logo, or on the package or certain fasteners that the merchant does not want customers to open by themselves; some fragile paper is printed with a merchant-specific logo, and when people open the package or package, the fragile paper will break, thus To achieve the purpose of anti-counterfeiting, the fragile paper used for anti-counterfeiting marks should be fragile and easy to store, such as waterproof. Most of the existing fragile p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/20B32B27/32
Inventor 彭胜石
Owner FOSHAN SUXING MASTERBATCH
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