CN202491498U - Rupture diaphragm - Google Patents
Rupture diaphragm Download PDFInfo
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- CN202491498U CN202491498U CN2012200062659U CN201220006265U CN202491498U CN 202491498 U CN202491498 U CN 202491498U CN 2012200062659 U CN2012200062659 U CN 2012200062659U CN 201220006265 U CN201220006265 U CN 201220006265U CN 202491498 U CN202491498 U CN 202491498U
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Abstract
The utility model discloses a rupture diaphragm which is sequentially and respectively provided with an upper surface layer, a core layer and a lower surface layer from top to bottom. The rupture diaphragm is characterized in that the upper surface layer, the core layer and the lower surface layer are of a coextrusion structure; the upper surface layer and the lower surface layer which are of the coextrusion structure are made of thermoplastic plastic; the core layer which is of a coextrusion structure is made of a filling modified material of the thermoplastic plastic; and the filling modified material is an organism. According to the utility model, the rupture diaphragm which is formed by the multilayer coextrusion and extension manufacture procedure and is of a three-layer structure has waterproof and fragile effects and is simple to manufacture and the production cost is reduced.
Description
Technical field
The utility model relates to field of anti-counterfeit technology, particularly a kind ofly is applicable to the anti-imitative label gummed paper film that tears to shreds easy to manufacture.
Background technology
Frangible gummed paper fragile paper is a kind of of anti-counterfeiting mark; Needing to be widely used in the material of guarantee or the sealing part of article; Can play effect false proof, anti-unpacking; Or be used for commodity and be different from the effect of playing anti-counterfeiting mark on the counterfeit goods, or on businessman does not hope encapsulation or some securing member that the client opens voluntarily; Be printed on the special-purpose sign of businessman on the fragile paper that has, when people unpacked or encapsulate, fragile paper can rupture; Thereby reach false proof purpose; So be used for the fragile paper of anti-counterfeiting mark frangible function should be arranged, also will be convenient to simultaneously preserve, such as possessing water-proof function etc.Existing fragile paper mostly comprises a frangible rete and a gluing rete, and what its result of use had is frangible effective, and but water proofing property is poor; What have is frangible effective, but complex process, cost height or not enough environmental protection.
A kind of prescription and manufacture craft of fragile self-adhesive paper are disclosed among the China utility application prospectus CN1386930A; For reaching the frangible purpose of fragile paper; The technical scheme of this utility model is: with kaolin, admire white powder, polyvinyl acetate vinegar milk liquid, add people's additive water by 4: 3: 2: 1 quality than mixing and stirring after, become raw material, again with the coating machine oven temperature with press shape roller speed to adjust after; Pour raw material into coating machine glue groove; Through certain operation raw material is coated on the release liners, after being shaped through oven for drying, processes this fragile self-adhesive paper; False proof frangible little drygum paper and preparation method thereof is disclosed again among the China utility application prospectus CN 101923804A; This utility model anti-counterfeiting fragile self-adhesive paper is followed successively by off-style paper layer, non-drying glue layer, base paper layer, printed layers from the bottom to top; Ply of paper is a kind of frangible ply of paper crushed after a tearing, is provided with the anti-false fiber layer of dispersed and distributed in the frangible ply of paper.Though the frangible effect of false proof fragile paper of these two kinds of utility models is fine, water resistance is very poor.
A kind of modified form fragile paper is disclosed among the China utility model application prospectus CN 202016244U; For reaching the frangible purpose of fragile paper; The technical scheme of this utility model is: the release layer that fragile paper sets gradually, adhesive layer, vertical frangible layer, facial tissue layer; Wherein, release layer is that off-style paper layer or the vertical frangible layer of release rete comprise PP particulate layer and air layer, is full of air in the gap between the PL particulate; Disclose a kind of preparation method and device of fragile paper among the China utility application prospectus CN 102248731A again, the preparation method of this utility model fragile paper the steps include: to provide facial tissue, vertical rupture diaphragm is provided; Through glue vertical rupture diaphragm is compound in the facial tissue inner face; Inner face coating adhesive material at vertical rupture diaphragm is provided with adhesive layer, at the compound release layer of gluing adhesion coating inner face, wherein; Vertically frangible layer comprises the PE particulate, fair full air in the gap between the PE particulate.Though these two kinds of related fragile paper of utility model have water proofing property, frangible layer intensity wherein is too low, must just can reach instructions for use through glue and facial tissue or facial mask complex technique, therefore has the shortcoming of not environmental protection and technology relative complex.
Summary of the invention
The utility model proposes its technical method that solves and provides a kind of rupture diaphragm that once is formed for the anti-imitative sign gummed paper that tears to shreds easy to manufacture through co-extrusion technology in order to overcome the shortcoming that above prior art exists.
A kind of rupture diaphragm that the utility model provides; Comprise and be respectively equipped with upper epidermis, sandwich layer and following top layer from top to bottom successively; It is characterized in that: upper epidermis, sandwich layer and following top layer are coextruded structure; The upper epidermis of formation coextruded structure, the material on following top layer are thermoplastics, and the material that constitutes the sandwich layer of coextruded structure is the filling-modified material of thermoplastic, and said filling-modified material is an inorganic matter.
Said thermoplastic is made up of one or more mixture in polyolefin, polyethylene, the polypropylene.
As the preferred version of the utility model, said thermoplastic is made up of polyolefin.
Described inorganic matter is calcium carbonate or talcum powder or kaolin, and the loading of inorganic matter accounts for the weight 60%～90% of sandwich layer.The frangible better effects if of frangible rete of this kind structure.
The utility model method beneficial effect is: utilize multi-layer co-extruded and blown film or extend the rupture diaphragm that processing procedure forms three-decker; Coat on this basis again that adhesive-layer can be further used for making antifalsification label and false proof viscose paper has broken effect of better appearance and water-proof function; And save and make the required operations such as coating of frangible gummed paper in the prior art, reduce its production cost.
Description of drawings
Fig. 1 is the structural representation of the described rupture diaphragm of the utility model.
Among the figure: top layer under 1-upper epidermis, 2-sandwich layer, the 3-.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the utility model is done further detailed explanation.
As shown in Figure 1; The rupture diaphragm of the utility model comprises and is respectively equipped with upper epidermis 1, sandwich layer 2 and following top layer 3 from top to bottom successively; Upper epidermis 1, sandwich layer 2 and following top layer 3 are coextruded structure; The upper epidermis 1 of formation coextruded structure, the material on following top layer 3 are thermoplastics, and the material that constitutes the sandwich layer 2 of coextruded structure is the filling-modified material of thermoplastic, and said filling-modified material is an inorganic matter; Thermoplastic is made up of one or more mixture in polyolefin, polyethylene, the polypropylene, and as the preferred version of the utility model, thermoplastic is made up of polyolefin; Described inorganic matter is calcium carbonate or talcum powder or kaolin, and the loading of inorganic matter accounts for the weight 60%～90% of sandwich layer.
When a kind of embodiment of the utility model prepares said rupture diaphragm; Adopt in the twin-screw main extruder of 10%～40% polyolefin and 60%～90% calcium carbonate or talcum powder or kaolinic mixture feeding tool side feeding device; In the secondary extruder of single screw rod 1# with 100% polyolefin feeding tool side feeding device; In addition the feeding of 100% polyolefin is fed by the secondary extruder of single screw rod 2# of tool side feeding device; Above-mentioned three kinds of extrudate are all confluxed and are formed upper epidermis 1, sandwich layer 2 and following top layer 3 three-deckers through the co-extrusion extrusion again in same T die, and this coextruded layer batches after extending processing again, promptly forms the described rupture diaphragm of the utility model.
The multi-layer co-extruded structure of the above embodiment rupture diaphragm of the utility model realizes that through three extruders and T-die false proof good with water resistance, the rupture diaphragm longitudinal tensile strength is greater than 20kg/cm
2, tearing strength is less than 10kg/cm
2, the utility model rupture diaphragm can be further used for making the anti-counterfeiting mark gummed paper with frangible function.
Claims (3)
1. rupture diaphragm; Comprise and be respectively equipped with upper epidermis, sandwich layer and following top layer from top to bottom successively; It is characterized in that: upper epidermis, sandwich layer and following top layer are coextruded structure; The upper epidermis of formation coextruded structure, the material on following top layer are thermoplastics, and the material that constitutes the sandwich layer of coextruded structure is the filling-modified material of thermoplastic, and said filling-modified material is an inorganic matter.
2. rupture diaphragm according to claim 1 is characterized in that: said thermoplastic is made up of polyolefin.
3. rupture diaphragm according to claim 1 is characterized in that: described inorganic matter is calcium carbonate or talcum powder or kaolin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200062659U CN202491498U (en) | 2012-01-06 | 2012-01-06 | Rupture diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200062659U CN202491498U (en) | 2012-01-06 | 2012-01-06 | Rupture diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202491498U true CN202491498U (en) | 2012-10-17 |
Family
ID=46997737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200062659U Expired - Fee Related CN202491498U (en) | 2012-01-06 | 2012-01-06 | Rupture diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202491498U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529273A (en) * | 2012-01-06 | 2012-07-04 | 佛山市塑兴母料有限公司 | Brittle film |
| CN103401064A (en) * | 2013-07-08 | 2013-11-20 | 温州格洛博电子有限公司 | Fragile anti-counterfeiting wireless radio frequency antenna and preparation method thereof |
-
2012
- 2012-01-06 CN CN2012200062659U patent/CN202491498U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529273A (en) * | 2012-01-06 | 2012-07-04 | 佛山市塑兴母料有限公司 | Brittle film |
| CN103401064A (en) * | 2013-07-08 | 2013-11-20 | 温州格洛博电子有限公司 | Fragile anti-counterfeiting wireless radio frequency antenna and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20150106 |
|
| EXPY | Termination of patent right or utility model |