CN203876340U - High-strength seven-layer composite double corrugated paperboard - Google Patents
High-strength seven-layer composite double corrugated paperboard Download PDFInfo
- Publication number
- CN203876340U CN203876340U CN201420282849.8U CN201420282849U CN203876340U CN 203876340 U CN203876340 U CN 203876340U CN 201420282849 U CN201420282849 U CN 201420282849U CN 203876340 U CN203876340 U CN 203876340U
- Authority
- CN
- China
- Prior art keywords
- corrugated
- layer
- paper
- polyvinyl acetate
- strength
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Laminated Bodies (AREA)
- Paper (AREA)
Abstract
The utility model relates to a high-strength seven-layer composite double corrugated paperboard. The high-strength seven-layer composite double corrugated paperboard comprises a piece of covering paper, a piece of core paper, a piece of inner paper, and permanent corrugated structures formed by compositely bonding two pieces of corrugated paper, wherein polyvinyl acetate serving as a binder and also acting as a rigid frame is sandwiched between the two pieces of corrugated paper, so that all physical index values of the double corrugated paperboard are far more than the highest level in the United States standards, that is, the edgewise compression strength is 19,380N/m, the puncture strength is 29.95J, and the bursting strength is 4,433Kpa.
Description
Technical field
The utility model relates to the compound seven layers of double-layer corrugated cardboard of a kind of high strength, belongs to field of packaging material.
Background technology
Corrugated case has that quality is light, structural behaviour good, resistance toly expose, buffering, shockproof, collapsible, printing adaptability is strong, environmental protection is recyclable and the advantage such as applicable automatic packaging operation, in the keen competition with other packaging material, corrugated case is with its unique performance, become up to now and commonly use and do not wane, develop swift and violent paper packaging container, become most important a kind of packaged form in modern packaging.
General corrugated case only should load light-weight articles, should not store for a long time, so the outlet of the heavy load products such as chemical industry, machinery adopts wood packing box and metal bucket mostly, its shortcoming is: 1, cost is high, does not meet environmental requirement.2, transportation, take up room while storing large, with after be difficult to processing.3, wooden case outlet need be through fumigating processing etc.Both at home and abroad all actively developing " heavy corrugated case ", to improve the compression strength of carton, try hard to paper, for wood, with paper substituting metal, in low-carbon economy, to reduce resource consumption, reduce production costs.On August 27th, 2009, seven ministries and commissions of State Council are " packing material-saving is for wood " engineering just, sends associating notice, by new materials such as heavy corrugated cardboards, lists the research and development application emphasis of one-phase country packaging industry from now in.
The U.S. is widely used in weapon and military products packing by the compound double-layer corrugated cardboard of high strength, leads over our major step.
Summary of the invention
The utility model provides a kind of high strength compound seven layers of double-layer corrugated cardboard.
For achieving the above object, the technical solution adopted in the utility model is: the compound seven layers of double-layer corrugated cardboard of a kind of high strength, comprise facial tissue, core paper and inner paper; Between described facial tissue and core paper and between core paper and inner paper, be equipped with corrugated structure layer; Described corrugated structure layer is bonded by the first corrugated layer, polyvinyl acetate rigid backbone and the second corrugated layer, the form fit of the shape of described polyvinyl acetate rigid backbone and described the first corrugated layer and the second corrugated layer, described polyvinyl acetate rigid backbone is folded between described the first corrugated layer and the second corrugated layer.
Preferred technical scheme is: the material of described facial tissue, core paper and inner paper all adopts 440g/m
2kraft paperboard.
Preferred technical scheme is: described polyvinyl acetate rigid backbone is the undulatory solid-state polyvinyl acetate thin layer of one deck, and the thickness of this polyvinyl acetate thin layer is 20 ~ 30g/m
2.
Preferred technical scheme is: described the first corrugated layer and the second corrugated layer all adopt 100g/m
2corrugated paper, the rib type of this corrugated paper is BA, BC, CA or AA.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1, because the utility model is being equipped with corrugated structure layer between facial tissue and core paper and between core paper and inner paper, its every physical technique index is: side pressure strength 19380N/m, exposes intensity 29.95J, pop strength 4433Kpa;
2, due to the utility model sandwiched polyvinyl acetate rigid backbone between the first corrugated layer and the second corrugated layer, this polyvinyl acetate rigid backbone had both been used for fixing the first corrugated layer and the second corrugated layer, also between the first corrugated layer and the second corrugated layer, form rigid backbone, thereby played the effect of reinforced corrugated structure, therefore compound seven layers of double-layer corrugated cardboard have very high physical technique intensity index.
Accompanying drawing explanation
Accompanying drawing 1 is the compound seven layers of double-layer corrugated cardboard schematic diagram of high strength.
In above accompanying drawing: 1, facial tissue; 2, core paper; 3, inner paper; 4, corrugated structure layer; 5, the first corrugated layer; 6, the second corrugated layer; 7, polyvinyl acetate rigid backbone.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Notice, appended graphic the illustrated structure of this description, ratio, size etc., equal contents in order to coordinate description to disclose only, for person skilled in the art scholar, understand and read, not in order to limit the enforceable qualifications of the present invention, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under the effect that the present invention can produce and the object that can reach, all should still belong in the scope that disclosed technology contents can contain.Simultaneously, in this description, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under without essence change technology contents, when being also considered as the enforceable category of the present invention.
Embodiment: the compound seven layers of double-layer corrugated cardboard of high strength
Shown in accompanying drawing 1, the compound seven layers of double-layer corrugated cardboard of a kind of high strength, comprise facial tissue 1, core paper 2 and inner paper 3; Between described facial tissue 1 and core paper 2 and between core paper 2 and inner paper 3, be equipped with corrugated structure layer 4, i.e. two corrugated structure sheaf 4 midfeather core papers 2.Described corrugated structure layer 4 is composite construction, by the first corrugated layer 5, polyvinyl acetate rigid backbone 7 and the second corrugated layer 6, be bonded, the form fit of the shape of described polyvinyl acetate rigid backbone 7 and described the first corrugated layer 5 and the second corrugated layer 6, described polyvinyl acetate rigid backbone 7 is folded between described the first corrugated layer 5 and the second corrugated layer 6.The material of described facial tissue, core paper and inner paper all adopts 440g/m
2kraft paperboard.Described polyvinyl acetate rigid backbone is the undulatory solid-state polyvinyl acetate thin layer of one deck, and the thickness of this polyvinyl acetate thin layer is 20 ~ 30g/m
2.Described the first corrugated layer and the second corrugated layer all adopt 100g/m
2corrugated paper, the stupefied type of this corrugated paper is that BA is stupefied.Described polyvinyl acetate rigid backbone 7 is the corrugated polyvinyl acetate ester film after solidifying, can adopt polyvinyl acetate glue adhesive coating layer or polyvinyl acetate emulsion coating to form after solidifying, polyvinyl acetate is wherein thermoplastic, after solidifying, has good rigidity.
Performance test: the ASTM carton standard with the U.S. is joined material.In American Standard, the biggest quality of two corrugated case contents can reach 82 kg, and now the quality of cardboard facial tissue, inner paper is all 440 g/m
2.
Through the international SGS authority of mechanism, detect the peak demand that the key index of compound seven layers of double-layer corrugated cardboard has been stipulated considerably beyond American Standard.Comparing result sees the following form:
| Key index | This technology embodiment: SGS tests (peak value) | American Standard ASTM | China SN/T0262 EXPORT CARTON highest standard | The strongest standard of GB6544/T-2008 double-layer corrugated cardboard | The strongest standard of GB6544/T-2008 triple wall corrugated board |
| Side pressure strength (N/m) | 19380 | 14350 | 8820 | ≧9000 | ≧15500 |
| Expose intensity (J) | 29.95 | / | 13.7 | / | / |
| Pop strength (kPa) | 4433 | 4137 | 2550 | ≧1900 | ≧2500 |
As seen from the above table, compound seven layers of double-layer corrugated cardboard that embodiment mono-makes, its physical index has surpassed the advanced level of USA and Europe.Not only met the requirement of the heavy pound of two corrugations carton outlet transportation, and surpassed the strongest standard of GB6544/T-2008 triple wall corrugated board, as can be seen here, compound seven layers of double-layer corrugated cardboard can replace part triple wall corrugated board completely, can be used for the special dimensions such as military products packing, secondly, Composite Double corrugated board is compared with compound single wall corrugated board, no matter machine tool, technology content, manufacturing process etc., difficulty will increase several orders of magnitude.
The present invention is that the rigid backbone forming after utilizing poly vinyl acetate material to solidify supports whole corrugated board, plays structure-reinforced effect, therefore must be between two corrugated papers full version gluing.It is best-of-breed technology scheme that the present invention selects polyvinyl acetate glue adhesive coating layer.Polyvinyl acetate glue stick is comprised of main body composition polyvinyl acetate and other auxiliary agent, the fixation thereby the characteristic that makes polyvinyl acetate glue stick both have adhesive bonds, the effect also with poly vinyl acetate material itself is the rigid support effect plaing after it solidifies for thermoplastic possesses, when using, the present invention take other products that poly vinyl acetate material is stock for example during polyvinyl acetate emulsion, its cementation declines, but it also can meet requirement of the present invention, it is identical while solidifying rear rigid support effect plaing with use polyvinyl acetate glue stick.
Comparative example two, with a 200g/m
2the corrugated structure layer (100g/m of corrugated paper alternate embodiment
2corrugated paper+polyvinyl acetate rigid backbone+100g/m
2corrugated paper), in the situation that other material, processing conditions are identical, be processed into conventional five layers of double-layer corrugated cardboard, test result shows: its side pressure strength is only 17345N/m, expose intensity 19 J, pop strength 3300kPa, is starkly lower than the compound seven layers of double-layer corrugated cardboard of high strength that embodiment mono-makes.This presentation of results 1+1>2, also illustrates that the polyvinyl acetate rigid backbone in corrugated structure layer plays the supporting role of rigid backbone.
The material polyvinyl acetate of polyvinyl acetate rigid backbone is a kind of thermoplastic resin, it can form a fixed structure with mechanical property after solidifying between two corrugated paper, so it can be used as the rigid backbone with supporting role and is used for supporting facial tissue and inner paper.Polyvinyl acetate rigid backbone have simultaneously good shock-resistant, intercept, moistureproof, water proofing property, so the corrugated board after compound has higher intensity, pop strength, the barrier property (gas permeability, water imbibition, oil absorption) of exposing.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (4)
1. the compound seven layers of double-layer corrugated cardboard of high strength, is characterized in that: comprise facial tissue, core paper and inner paper; Between described facial tissue and core paper and between core paper and inner paper, be equipped with corrugated structure layer; Described corrugated structure layer is bonded by the first corrugated layer, polyvinyl acetate rigid backbone and the second corrugated layer, the form fit of the shape of described polyvinyl acetate rigid backbone and described the first corrugated layer and the second corrugated layer, described polyvinyl acetate rigid backbone is folded between described the first corrugated layer and the second corrugated layer.
2. the compound seven layers of double-layer corrugated cardboard of high strength according to claim 1, is characterized in that: the material of described facial tissue, core paper and inner paper all adopts 440g/m
2kraft paperboard.
3. the compound seven layers of double-layer corrugated cardboard of high strength according to claim 1, is characterized in that: described polyvinyl acetate rigid backbone is the undulatory solid-state polyvinyl acetate thin layer of one deck, and the thickness of this polyvinyl acetate thin layer is 20 ~ 30g/m
2.
4. the compound seven layers of double-layer corrugated cardboard of high strength according to claim 1, is characterized in that: described the first corrugated layer and the second corrugated layer all adopt 100g/m
2corrugated paper, the rib type of this corrugated paper is BA, BC, CA or AA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282849.8U CN203876340U (en) | 2014-05-29 | 2014-05-29 | High-strength seven-layer composite double corrugated paperboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282849.8U CN203876340U (en) | 2014-05-29 | 2014-05-29 | High-strength seven-layer composite double corrugated paperboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203876340U true CN203876340U (en) | 2014-10-15 |
Family
ID=51676879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420282849.8U Expired - Fee Related CN203876340U (en) | 2014-05-29 | 2014-05-29 | High-strength seven-layer composite double corrugated paperboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203876340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499642A (en) * | 2017-09-21 | 2017-12-22 | 安吉志达包装厂 | A kind of high-strength corrugated board case for being applied to transport |
-
2014
- 2014-05-29 CN CN201420282849.8U patent/CN203876340U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499642A (en) * | 2017-09-21 | 2017-12-22 | 安吉志达包装厂 | A kind of high-strength corrugated board case for being applied to transport |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103991260A (en) | Combined seven-layer double-corrugated heavy paper board | |
| CN204323871U (en) | A kind of high-strength honeycomb paperboard case | |
| CN203698843U (en) | Honeycomb carton capable of being disassembled and assembled | |
| CN205890101U (en) | Recyclable high -strength corrugated paper board | |
| CN104553153A (en) | Composite structure and method of light-weight, high-barrier and scratch-resistant color paper aluminum plastic milk powder package | |
| CN105151459A (en) | High-strength packaging carton | |
| CN205529695U (en) | Ten layer three compound corrugated container board of high strength | |
| CN203460516U (en) | Waterproof corrugated board | |
| CN203876340U (en) | High-strength seven-layer composite double corrugated paperboard | |
| CN103753917A (en) | High-strength four-layer combined corrugated board | |
| CN201338420Y (en) | Mark-less corrugated board | |
| CN202517790U (en) | External packaging paper board of chemical product | |
| CN203697624U (en) | High-intensity four-layer combined corrugated paper board | |
| CN205856931U (en) | A kind of anti-counterfeit laser paperboard | |
| CN207159705U (en) | Double-deck overlay film carton inside and outside one kind | |
| CN203141910U (en) | Novel vegetable/fruit refrigeration carton | |
| CN105500875A (en) | Ultra-strong heavy corrugated board capable of replacing wood | |
| CN205522836U (en) | Compound flute structure of high strength | |
| CN206842096U (en) | A kind of compound packaging extrusion coating paper of bubble chamber film | |
| CN210821280U (en) | Carton board | |
| CN209988301U (en) | Upper cover of aluminum foil roll packaging box | |
| CN204750930U (en) | Paper angle bead | |
| CN202053605U (en) | Inner packing paper used for photosensitive material | |
| CN208646225U (en) | A kind of six layers of corrugated board | |
| CN203334133U (en) | Damping corrugated board |
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: 20141015 Termination date: 20210529 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |