CN202989686U - Liquid packaging paper with high stiffness - Google Patents
Liquid packaging paper with high stiffness Download PDFInfo
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- CN202989686U CN202989686U CN 201220569973 CN201220569973U CN202989686U CN 202989686 U CN202989686 U CN 202989686U CN 201220569973 CN201220569973 CN 201220569973 CN 201220569973 U CN201220569973 U CN 201220569973U CN 202989686 U CN202989686 U CN 202989686U
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Abstract
The utility model provides a liquid packaging paper with high stiffness. The liquid packaging paper with the high stiffness comprises a base paper body and a coating layer, wherein the base paper body is composed of a surface layer, a core layer and a bottom layer in a sequentially overlapped mode, the coating layer comprises a surface coating, a pre-coating and a back coating, the surface coating is coated on the pre-coating, the pre-coating is coated on the surface layer, and the back coating is coated on the bottom face of the bottom layer. The liquid packaging paper is high in stiffness and good in packaging shaping effect. A liquid packaging box which is made of the liquid packaging paper with the high stiffness through processing is not prone to deformation, and corners of the liquid packaging box cannot sink easily.
Description
Technical field
The utility model relates to pulp technology for making paper, specifically a kind of flexible package punch paper that has high-stiffness under equal quantitative conditions.
Background technology
Flexible package punch paper refers to through after printing, film processing, the coating paperboard that is used for packing the liquid beverages such as milk, fruit juice.And the coating paperboard is specified amount greater than the paper of 170 g/ms, and the coating paperboard is comprised of coating layer and body paper, and wherein coating layer generally has layer 2-4, and body paper generally has the 3-5 layer.
The domestic flexible package punch paper of producing is generally coated white cardboard, and the general whole use bleached wood pulps of the surface layer of its body paper of coated white cardboard, sandwich layer and bottom are made, and the liquid packaging white cardboard of making is white liquid packing art post paperboard.Liquid packaging white cardboard in the market is easily distortion after packing moulding, can such as the liquid such as milk, fruit juice, brings inconvenience for the transportation of papery filled drink, storage.Be to improve the intensity of packing box, can only always quantitatively improve paper sheet stiffness by what improve liquid packaging white cardboard, so just increased the consumption of wood pulp and chemicals, increased considerably production cost.
The utility model content
The purpose of this utility model has been to provide a kind of flexible package punch paper of high-stiffness.
In order to achieve the above object, the utility model has adopted following technical scheme:
A kind of flexible package punch paper of high-stiffness, comprise body paper and coating layer, described body paper is comprised of surface layer, sandwich layer and the bottom of stack successively, described coating layer comprises finishing coat, precoated shet and back coating, this finishing coat is coated on this precoated shet, this precoated shet is coated on this surface layer, and this back coating is coated the bottom surface of this bottom.
As optimal technical scheme of the present utility model: described surface layer is the bleached wood pulp layer; Described sandwich layer is not for floating the Original Pulp layer; Described bottom is not for floating the Original Pulp layer.
Due to the utility model under the prerequisite that keeps paper total quantitatively certain (quantitatively equal), at body paper bottom bottom surface increase by one back coating, thereby make the one-tenth paper deflection of producing under equal quantitative conditions high,, packing box corner difficult depression not yielding with the liquid packaging that such flexible package punch paper art post paperboard is processed into, the packing good forming effect.
In addition, adopt when not floating Original Pulp at the sandwich layer of flexible package punch paper described in the utility model and bottom, its deflection is apparently higher than sandwich layer and bottom employing bleach chemical pulp.
Description of drawings
Fig. 1 is the structural representation of the flexible package punch paper of a kind of high-stiffness of the utility model.
Fig. 2 is the production technological process of the flexible package punch paper of a kind of high-stiffness of the utility model.
The specific embodiment
See also Fig. 1, flexible package punch paper shown in figure, comprise body paper and coating layer, described body paper is comprised of surface layer 101, sandwich layer 102 and the bottom 103 of stack successively, described coating layer comprises finishing coat 105, precoated shet 104 and back coating 106, this finishing coat 105 is coated on this precoated shet 104, and this precoated shet 104 is coated on this surface layer 101, and this back coating 106 is coated the bottom surface of this bottom 103.
Described surface layer 101 quantitatively to account for the total quantitative ratio of flexible package punch paper be 20%-40%; Described sandwich layer 102 quantitatively to account for the total quantitative ratio of flexible package punch paper be 30%-55%; Described bottom 103 quantitatively to account for the total quantitative ratio of flexible package punch paper be 10%-25%, described coating layer (finishing coat 105, precoated shet 104 and 106 3 layers of back coatings) quantitatively to account for the total quantitative ratio of flexible package punch paper be 8%-18%.Take quantitatively as the flexible package punch paper of 210 g/ms as example, this surface layer 101 be quantitatively 42.0 g/ms-84.0 g/ms; This sandwich layer 102 be quantitatively 63.0 g/ms-115.5 g/ms; This bottom 103 be quantitatively 21.0 g/ms-52.5 g/ms; This coating layer (finishing coat 105, precoated shet 104 and 106 3 layers of back coatings) be quantitatively 16.8 g/ms-37.8 g/ms.
More excellent, described surface layer 101 quantitatively to account for the total quantitative ratio of flexible package punch paper be 25%-35%; Described sandwich layer 102 quantitatively to account for the total quantitative ratio of flexible package punch paper be 35%-50%; Described bottom 103 quantitatively to account for the total quantitative ratio of flexible package punch paper be 15%-20%; Described coating layer (finishing coat 105, precoated shet 104 and 106 3 layers of back coatings) quantitatively to account for the total quantitative ratio of flexible package punch paper be 8%-12%.
Described surface layer 101 adopts bleached wood pulp, and sandwich layer 102 adopts the unbleached Original Pulp that do not float to make with bottom 103.Surface layer 101 uses bleached wood pulp to guarantee the good fiber-covered of paper; Sandwich layer 102, bottom 103 use the unbleached deflection that Original Pulp can be given the good bulk of paper and then further improve paper of not floating.Certainly, sandwich layer 102, bottom 103 also can use the chemical wood pulp through bleaching.
Described finishing coat 105 comprises with the component of precoated shet 104: calcium carbonate, the soil of delaminating, SA latex, water repellent agent and lubricant.More excellent scheme is that described finishing coat 105 is: calcium carbonate 30-70 part, the native 30-70 part of delaminating, SA latex 13-20 part, water repellent agent 0.2-0.5 part, lubricant 0.1-0.5 part with the component proportion parts by weight of precoated shet 104.This back coating 106 adopts starch or the component consistent with precoated shet.
See also Fig. 2, the production technology of aforesaid liquid wrapping paper comprises the following steps:
The production of body paper: surface layer adopts bleached wood pulp, sandwich layer to adopt unbleached Original Pulp, the unbleached Original Pulp that do not float of bottom employing of not floating; Certainly, sandwich layer, bottom also can use the chemical wood pulp through bleaching.Enter respectively respectively surface layer head box, sandwich layer head box, the bottom head box of three cascade net forming paper machines after the mixing of pulper size degradation, screening, fiberizer making beating.
Then, respectively through the veil of paper machine manufacture paper with pulp, the core net is manufactured paper with pulp, spacer screen is manufactured paper with pulp, and is then compound, produce have surface layer, the paper of sandwich layer, bottom three-decker; The slurry network speed of surface layer, sandwich layer, bottom three formable layer nets is than being adjusted into respectively: 0.966-0.988,0.927-0.975,0.907-0.950.
Enter the press section of paper machine, through four road squeezings; The pressure of first squeezing is adjusted into: 85kN/m-100kN/m; The pressure of second squeezing is adjusted into: 90kN/m-120kN/m; The pressure of the 3rd road squeezing is adjusted into: 650kN/m-720kN/m; The pressure of the 4th road squeezing is adjusted into: 30kN/m-50kN/m.
Drying, top sizing, enter belt calender, carry out the belt press polish, to improve paper surface properties, improve the paper bulk; The pressure of belt press polish is adjusted into 10kN/m-40kN/m.Get at last body paper.Certainly, after manufacturing paper with pulp, squeeze by the wet end of routine, the body paper that obtains after super-dry, top sizing can be applied to the utility model equally.
The coating coating layer: the scraper by paper machine is coated with a precoated shet at facing surface, and coating one finishing coat on precoated shet is at bottom-surface coated one back coating of bottom; Described finishing coat and precoated shet comprise: calcium carbonate, the soil of delaminating, SA latex, water repellent agent and lubricant.More excellent scheme is that the component of coating used and proportioning parts by weight are respectively: calcium carbonate 30-70 part, the native 30-70 part of delaminating, SA latex 13-20 part, water repellent agent 0.2-0.5 part, lubricant 0.1-0.5 part.This back coating 106 adopts starch or the component consistent with precoated shet.
Dry, enter soft press-polishing machine and carry out soft calendaring;
Batch the packing finished product.
Whole production process is carried out aseptic controlling, and the finished paper quality reaches the aseptic packaging standard-required.
More excellent, described surface layer 101 quantitatively to account for the total quantitative ratio of flexible package punch paper be 20%-40%; Described sandwich layer 102 quantitatively to account for the total quantitative ratio of flexible package punch paper be 30%-55%; Described bottom 103 quantitatively to account for the total quantitative ratio of flexible package punch paper be 10%-25%, described coating layer (finishing coat 105, precoated shet 104 and 106 3 layers of back coatings) quantitatively to account for the total quantitative ratio of flexible package punch paper be 8%-18%.
More excellent, described surface layer 101 quantitatively to account for the total quantitative ratio of flexible package punch paper be 25%-35%; Described sandwich layer 102 quantitatively to account for the total quantitative ratio of flexible package punch paper be 35%-50%; Described bottom 103 quantitatively to account for the total quantitative ratio of flexible package punch paper be 15%-20%; Described coating layer (finishing coat 105, precoated shet 104 and 106 3 layers of back coatings) quantitatively to account for the total quantitative ratio of flexible package punch paper be 8%-12%.
Take quantitatively as the flexible package punch paper of 210 g/ms as example.
Embodiment one:
Surface layer adopts bleached wood pulp, sandwich layer to adopt unbleached Original Pulp, the unbleached Original Pulp that do not float of bottom employing of not floating, and enters respectively respectively surface layer head box, sandwich layer head box, the bottom head box of three cascade net forming paper machines after the mixing of pulper size degradation, screening, fiberizer making beating.
Then, respectively through the veil of paper machine manufacture paper with pulp, the core net is manufactured paper with pulp, spacer screen is manufactured paper with pulp, and is then compound, produce have surface layer, the paper of sandwich layer, bottom three-decker; The slurry network speed ratio of surface layer, sandwich layer, bottom three formable layer nets is respectively: 0.966,0.927,0.907.
Enter the press section of paper machine, through four road squeezings; The pressure of first squeezing is: 85kN/m; The pressure of second squeezing is: 90kN/m; The pressure of the 3rd road squeezing is: 650kN/m; The pressure of the 4th road squeezing is: 30kN/m.
Drying, top sizing, enter belt calender, carry out the belt press polish; The pressure of belt press polish is 10kN/m.Get at last body paper.
The coating coating layer: the scraper by paper machine is coated with a precoated shet at facing surface, and coating one finishing coat on precoated shet is at bottom-surface coated one back coating of bottom; The component of described finishing coat and precoated shet coating used and proportioning parts by weight are respectively: 30 parts, calcium carbonate, delaminate 70 parts, soil, 20 parts, SA latex, 0.2 part of water repellent agent, 0.1 part of lubricant, this back coating adopts starch.
Dry, enter soft press-polishing machine and carry out soft calendaring;
Batch the packing finished product.Whole production process is carried out aseptic controlling, and the finished paper quality reaches the aseptic packaging standard-required.
In finished paper: surface layer quantitatively to account for the total quantitative ratio of flexible package punch paper be 20%, namely 42.0 g/ms; Sandwich layer 102 quantitatively to account for the total quantitative ratio of flexible package punch paper be 55%, namely 115.5 g/ms; Bottom 103 quantitatively to account for the total quantitative ratio of flexible package punch paper be 10%, namely 21.0 g/ms; Coating layer (three layers of finishing coat, precoated shet and back coatings) quantitatively to account for the total quantitative ratio of flexible package punch paper be 15%, namely 31.5 g/ms.
On the flexible package punch paper of producing and market is quantitatively in the common liquid packaging white cardboard, national standard of 210 g/ms to be quantitatively that the liquid packaging white cardboard of 210 g/ms compares detection, and it on market is quantitatively in the common liquid packaging white cardboard, national standard of 210 g/ms to be quantitatively the liquid packaging white cardboard of 210 g/ms that its each side physical property all is better than.
Following table be the utility model disclosed be quantitatively to be quantitatively to be quantitatively the physical index testing result of the liquid packaging white cardboard of 210 g/ms in the common liquid packaging white cardboard, national standard of 210 g/ms on the flexible package punch paper of 210 g/ms and market:
| Physical index | Quantitatively | Thickness | Deflection (vertical/horizontal stroke) | Air permeability |
| Unit | g/m 2 | μm | mN.m | mL/min |
| Flexible package punch paper of the present utility model | 210 | 290 | 6.3/3.0 | 2.57 |
| Common liquid packaging white cardboard | 210 | 258 | 5.1/2.2 | 1.2 |
| The liquid packaging white cardboard of national standard | 210 | -- | 5.1/1.65 | -- |
Embodiment two:
Making flow process and the machined parameters of the present embodiment are identical with above-described embodiment one, and difference is: the quantitative distribution of surface layer, sandwich layer, bottom, coating layer.
In finished paper: surface layer quantitatively to account for the total quantitative ratio of flexible package punch paper be 25%, namely 52.2 g/ms; Sandwich layer 102 quantitatively to account for the total quantitative ratio of flexible package punch paper be 50%, namely 105.0 g/ms; Bottom 103 quantitatively to account for the total quantitative ratio of flexible package punch paper be 15%, namely 31.5 g/ms; Coating layer (three layers of finishing coat, precoated shet and back coatings) quantitatively to account for the total quantitative ratio of flexible package punch paper be 10%, namely 21.0 g/ms.
On the flexible package punch paper of producing and market is quantitatively in the common liquid packaging white cardboard, national standard of 210 g/ms to be quantitatively that the liquid packaging white cardboard of 210 g/ms compares detection, and it on market is quantitatively in the common liquid packaging white cardboard, national standard of 210 g/ms to be quantitatively the liquid packaging white cardboard of 210 g/ms that its each side physical property all is better than.
Following table be the utility model disclosed be quantitatively to be quantitatively to be quantitatively the physical index testing result of the liquid packaging white cardboard of 210 g/ms in the common liquid packaging white cardboard, national standard of 210 g/ms on the flexible package punch paper of 210 g/ms and market:
| Physical index | Quantitatively | Thickness | Deflection (vertical/horizontal stroke) | Air permeability |
| Unit | g/m 2 | μm | mN.m | mL/min |
| Flexible package punch paper of the present utility model | 210 | 284 | 6.0/2.7 | 3.0 |
| Common liquid packaging white cardboard | 210 | 258 | 5.1/2.2 | 1.2 |
| The liquid packaging white cardboard of national standard | 210 | -- | 5.1/1.65 | -- |
Embodiment three
The making flow process of the present embodiment is identical with above-described embodiment one, and difference is: surface layer, sandwich layer, bottom, coating layer quantitatively, the proportioning umber of finishing coat, precoated shet coating, the pressure of the slurry network speed ratio in manufacturing procedure, squeeze pressure, belt press polish.
The slurry network speed ratio of surface layer, sandwich layer, bottom three formable layer nets is respectively: 0.977,0.951,0.929.
The pressure of first squeezing is: 93kN/m; The pressure of second squeezing is adjusted into: 105kN/m; The pressure of the 3rd road squeezing is adjusted into: 685kN/m; The pressure of the 4th road squeezing is adjusted into: 40kN/m.
The pressure of belt press polish is 25kN/m.
The component of finishing coat and precoated shet coating used and proportioning parts by weight are respectively: 50 parts, calcium carbonate, delaminate 50 parts, soil, 15 parts, SA latex, 0.35 part of water repellent agent, 0.3 part of lubricant, this back coating adopt the coating coating consistent with finishing coat.
In finished paper: surface layer quantitatively to account for the total quantitative ratio of flexible package punch paper be 30%, namely 63.0 g/ms; Sandwich layer 102 quantitatively to account for the total quantitative ratio of flexible package punch paper be 45%, namely 94.5 g/ms; Bottom 103 quantitatively to account for the total quantitative ratio of flexible package punch paper be 17%, namely 35.7 g/ms; Coating layer (three layers of finishing coat, precoated shet and back coatings) quantitatively to account for the total quantitative ratio of flexible package punch paper be 8%, namely 16.8 g/ms.
On the flexible package punch paper of producing and market is quantitatively in the common liquid packaging white cardboard, national standard of 210 g/ms to be quantitatively that the liquid packaging white cardboard of 210 g/ms compares detection, and it on market is quantitatively in the common liquid packaging white cardboard, national standard of 210 g/ms to be quantitatively the liquid packaging white cardboard of 210 g/ms that its each side physical property all is better than.
Following table be the utility model disclosed be quantitatively to be quantitatively to be quantitatively the physical index testing result of the liquid packaging white cardboard of 210 g/ms in the common liquid packaging white cardboard, national standard of 210 g/ms on the flexible package punch paper of 210 g/ms and market:
| Physical index | Quantitatively | Thickness | Deflection (vertical/horizontal stroke) | Air permeability |
| Unit | g/m 2 | μm | mN.m | mL/min |
| Flexible package punch paper of the present utility model | 210 | 275 | 5.8/2.4 | 2.8 |
| Common liquid packaging white cardboard | 210 | 258 | 5.1/2.2 | 1.2 |
| The liquid packaging white cardboard of national standard | 210 | -- | 5.1/1.65 | -- |
Embodiment four
The making flow process of the present embodiment is identical with above-described embodiment one, and difference is: surface layer, sandwich layer, bottom, coating layer quantitatively, the proportioning umber of finishing coat, precoated shet coating, the pressure of the slurry network speed ratio in manufacturing procedure, squeeze pressure, belt press polish.
The slurry network speed ratio of surface layer, sandwich layer, bottom three formable layer nets is respectively: 0.988,0.975,0.950.
The pressure of first squeezing is: 100kN/m; The pressure of second squeezing is adjusted into: 120kN/m; The pressure of the 3rd road squeezing is adjusted into: 720kN/m; The pressure of the 4th road squeezing is adjusted into: 50kN/m.
The pressure of belt press polish is 40kN/m.
The component of finishing coat and precoated shet coating used and proportioning parts by weight are respectively: 70 parts, calcium carbonate, delaminate 30 parts, soil, 13 parts, SA latex, 0.5 part of water repellent agent, 0.5 part of lubricant, this back coating adopt the coating coating consistent with finishing coat.
In finished paper: surface layer quantitatively to account for the total quantitative ratio of flexible package punch paper be 35%, namely 73.5 g/ms; Sandwich layer 102 quantitatively to account for the total quantitative ratio of flexible package punch paper be 35%, namely 73.5 g/ms; Bottom 103 quantitatively to account for the total quantitative ratio of flexible package punch paper be 20%, namely 42.0 g/ms; Coating layer (three layers of finishing coat, precoated shet and back coatings) quantitatively to account for the total quantitative ratio of flexible package punch paper be 10%, namely 21.0 g/ms.
On the flexible package punch paper of producing and market is quantitatively in the common liquid packaging white cardboard, national standard of 210 g/ms to be quantitatively that the liquid packaging white cardboard of 210 g/ms compares detection, and it on market is quantitatively in the common liquid packaging white cardboard, national standard of 210 g/ms to be quantitatively the liquid packaging white cardboard of 210 g/ms that its each side physical property all is better than.
Following table be the utility model disclosed be quantitatively to be quantitatively to be quantitatively the physical index testing result of the liquid packaging white cardboard of 210 g/ms in the common liquid packaging white cardboard, national standard of 210 g/ms on the flexible package punch paper of 210 g/ms and market:
| Physical index | Quantitatively | Thickness | Deflection (vertical/horizontal stroke) | Air permeability |
| Unit | g/m 2 | μm | mN.m | mL/min |
| Flexible package punch paper of the present utility model | 210 | 268 | 5.5/2.3 | 2.4 |
| Common liquid packaging white cardboard | 210 | 258 | 5.1/2.2 | 1.2 |
| The liquid packaging white cardboard of national standard | 210 | -- | 5.1/1.65 | -- |
Embodiment five
Making flow process and the machined parameters of the present embodiment are identical with above-described embodiment four, difference is: component and the proportioning parts by weight of described finishing coat and precoated shet coating used are respectively: 30 parts, calcium carbonate, delaminate 67 parts, soil, 3 parts of china clay, 17 parts, SA latex, 0.2 part of water repellent agent, 0.1 part of lubricant, and this back coating adopts starch; The quantitative distribution of surface layer, sandwich layer, bottom, coating layer, and surface layer, sandwich layer, bottom all adopt bleached wood pulp.
In finished paper: described surface layer, sandwich layer, bottom all adopt bleached wood pulp; Surface layer quantitatively to account for the total quantitative ratio of flexible package punch paper be 40%, namely 84.0 g/ms; Sandwich layer 102 quantitatively to account for the total quantitative ratio of flexible package punch paper be 30%, namely 63.0 g/ms; Bottom 103 quantitatively to account for the total quantitative ratio of flexible package punch paper be 12%, namely 25.2 g/ms; Coating layer (three layers of finishing coat, precoated shet and back coatings) quantitatively to account for the total quantitative ratio of flexible package punch paper be 18%, namely 37.8 g/ms.
On the flexible package punch paper of producing and market is quantitatively in the common liquid packaging white cardboard, national standard of 210 g/ms to be quantitatively that the liquid packaging white cardboard of 210 g/ms compares detection, and it on market is quantitatively in the common liquid packaging white cardboard, national standard of 210 g/ms to be quantitatively the liquid packaging white cardboard of 210 g/ms that its each side physical property all is better than.
Following table be the utility model disclosed be quantitatively to be quantitatively to be quantitatively the physical index testing result of the liquid packaging white cardboard of 210 g/ms in the common liquid packaging white cardboard, national standard of 210 g/ms on the flexible package punch paper of 210 g/ms and market:
| Physical index | Quantitatively | Thickness | Deflection (vertical/horizontal stroke) | Air permeability |
| Unit | g/m 2 | μm | mN.m | mL/min |
| Flexible package punch paper of the present utility model | 210 | 263 | 5.4/2.3 | 25 |
| Common liquid packaging white cardboard | 210 | 258 | 5.1/2.2 | 1.2 |
| The liquid packaging white cardboard of national standard | 210 | -- | 5.1/1.65 | -- |
Embodiment six
The making flow process of the present embodiment is as follows:
Surface layer, sandwich layer, bottom all adopt bleached wood pulp, enter respectively respectively surface layer head box, sandwich layer head box, the bottom head box of three cascade net forming paper machines after the mixing of pulper size degradation, screening, fiberizer making beating.
Then, respectively according to the technique of routine through the veil of paper machine manufacture paper with pulp, the core net is manufactured paper with pulp, spacer screen is manufactured paper with pulp, and is then compound, produce have surface layer, the paper of sandwich layer, bottom three-decker.
The press section that enters paper machine according to the technique of routine afterwards squeezes.
Get body paper after drying, top sizing.
Component and the proportioning parts by weight of described finishing coat, precoated shet and back coating coating used are respectively: 30 parts, calcium carbonate, 70 parts of 1# china clay, 17 parts of styrene-butadiene latexes, 0.2 part of water repellent agent, 0.1 part of lubricant.
In finished paper: surface layer quantitatively to account for the total quantitative ratio of flexible package punch paper be 23%, namely 48.3 g/ms; Sandwich layer 102 quantitatively to account for the total quantitative ratio of flexible package punch paper be 40%, namely 84.0 g/ms; Bottom 103 quantitatively to account for the total quantitative ratio of flexible package punch paper be 25%, namely 52.5 g/ms; Coating layer (three layers of finishing coat, precoated shet and back coatings) quantitatively to account for the total quantitative ratio of flexible package punch paper be 12%, namely 25.2 g/ms.
On the flexible package punch paper of producing and market is quantitatively in the common liquid packaging white cardboard, national standard of 210 g/ms to be quantitatively that the liquid packaging white cardboard of 210 g/ms compares detection, and it on market is quantitatively in the common liquid packaging white cardboard, national standard of 210 g/ms to be quantitatively the liquid packaging white cardboard of 210 g/ms that its each side physical property all is better than.
Following table be the utility model disclosed be quantitatively to be quantitatively to be quantitatively the physical index testing result of the liquid packaging white cardboard of 210 g/ms in the common liquid packaging white cardboard, national standard of 210 g/ms on the flexible package punch paper of 210 g/ms and market:
| Physical index | Quantitatively | Thickness | Deflection (vertical/horizontal stroke) | Air permeability |
| Unit | g/m 2 | μm | mN.m | mL/min |
| Flexible package punch paper of the present utility model | 210 | 273 | 5.6/2.3 | 1.0 |
| Common liquid packaging white cardboard | 210 | 258 | 5.1/2.2 | 1.2 |
| The liquid packaging white cardboard of national standard | 210 | -- | 5.1/1.65 | -- |
The above is only preferred embodiment of the present utility model, is not to limit practical range of the present utility model; Every equivalence of doing according to the utility model changes and revises, and is all covered by the scope of the utility model claims.
Claims (2)
1. the flexible package punch paper of a high-stiffness, comprise body paper and coating layer, described body paper is comprised of surface layer, sandwich layer and the bottom of stack successively, it is characterized in that: described coating layer comprises finishing coat, precoated shet and back coating, this finishing coat is coated on this precoated shet, this precoated shet is coated on this surface layer, and this back coating is coated the bottom surface of this bottom.
2. a kind of flexible package punch paper of high-stiffness according to claim 1, it is characterized in that: described surface layer is the bleached wood pulp layer; Described sandwich layer is not for floating the Original Pulp layer; Described bottom is not for floating the Original Pulp layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220569973 CN202989686U (en) | 2012-10-31 | 2012-10-31 | Liquid packaging paper with high stiffness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220569973 CN202989686U (en) | 2012-10-31 | 2012-10-31 | Liquid packaging paper with high stiffness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202989686U true CN202989686U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220569973 Expired - Lifetime CN202989686U (en) | 2012-10-31 | 2012-10-31 | Liquid packaging paper with high stiffness |
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| Country | Link |
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| CN (1) | CN202989686U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463945A (en) * | 2015-01-16 | 2016-04-06 | 金奉源纸业(上海)有限公司 | UV odorless food packaging paper |
| CN105463944A (en) * | 2015-01-16 | 2016-04-06 | 金奉源纸业(上海)有限公司 | Special raw paper for roof-shaped packing |
| CN109183505A (en) * | 2017-06-30 | 2019-01-11 | 亚太森博（山东）浆纸有限公司 | A kind of production technology of flexible package punch coating paper |
-
2012
- 2012-10-31 CN CN 201220569973 patent/CN202989686U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463945A (en) * | 2015-01-16 | 2016-04-06 | 金奉源纸业(上海)有限公司 | UV odorless food packaging paper |
| CN105463944A (en) * | 2015-01-16 | 2016-04-06 | 金奉源纸业(上海)有限公司 | Special raw paper for roof-shaped packing |
| CN109183505A (en) * | 2017-06-30 | 2019-01-11 | 亚太森博（山东）浆纸有限公司 | A kind of production technology of flexible package punch coating paper |
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Address after: 519070, Qianshan Industrial Zone, Xiangzhou District, Guangdong, Zhuhai Patentee after: ZHUHAI HONGTA RENHENG PACKAGING CO.,LTD. Address before: 519070, Qianshan Industrial Zone, Xiangzhou District, Guangdong, Zhuhai Patentee before: ZHUHAI S E Z HONGTA RENHENG PAPER Co.,Ltd. |
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Granted publication date: 20130612 |