CN103321096B - A kind of coated white cardboard and production technology thereof - Google Patents
A kind of coated white cardboard and production technology thereof Download PDFInfo
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- CN103321096B CN103321096B CN201310102081.1A CN201310102081A CN103321096B CN 103321096 B CN103321096 B CN 103321096B CN 201310102081 A CN201310102081 A CN 201310102081A CN 103321096 B CN103321096 B CN 103321096B
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- 239000011111 cardboard Substances 0.000 title claims abstract description 39
- 238000005516 engineering process Methods 0.000 title claims description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000000123 paper Substances 0.000 claims abstract description 46
- 239000000835 fiber Substances 0.000 claims abstract description 28
- 239000002344 surface layer Substances 0.000 claims abstract description 26
- 239000010410 layer Substances 0.000 claims abstract description 23
- 239000011247 coating layer Substances 0.000 claims abstract description 12
- 238000004061 bleaching Methods 0.000 claims description 60
- 239000002023 wood Substances 0.000 claims description 34
- 239000011248 coating agent Substances 0.000 claims description 33
- 238000000576 coating method Methods 0.000 claims description 33
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 28
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 28
- 229920001131 Pulp (paper) Polymers 0.000 claims description 22
- 239000002655 kraft paper Substances 0.000 claims description 18
- 239000011122 softwood Substances 0.000 claims description 18
- 239000002002 slurry Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- -1 6~10 parts Substances 0.000 claims description 9
- 108010073771 Soybean Proteins Proteins 0.000 claims description 9
- 239000004816 latex Substances 0.000 claims description 9
- 229920000126 latex Polymers 0.000 claims description 9
- 235000019710 soybean protein Nutrition 0.000 claims description 9
- 239000013530 defoamer Substances 0.000 claims description 8
- 239000002270 dispersing agent Substances 0.000 claims description 8
- 239000000314 lubricant Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000005871 repellent Substances 0.000 claims description 7
- 230000002940 repellent Effects 0.000 claims description 7
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 6
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 6
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 6
- 230000015556 catabolic process Effects 0.000 claims description 6
- 238000006731 degradation reaction Methods 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 241001343274 Dichrostachys spicata Species 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 230000001815 facial effect Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- 238000010422 painting Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 241000227425 Pieris rapae crucivora Species 0.000 abstract description 27
- 239000011087 paperboard Substances 0.000 abstract description 27
- 238000004806 packaging method and process Methods 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 239000011229 interlayer Substances 0.000 abstract description 2
- 238000012993 chemical processing Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000008199 coating composition Substances 0.000 description 10
- 230000009172 bursting Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 6
- 230000000704 physical effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- SEOVTRFCIGRIMH-UHFFFAOYSA-N indole-3-acetic acid Chemical group C1=CC=C2C(CC(=O)O)=CNC2=C1 SEOVTRFCIGRIMH-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
- HXHCOXPZCUFAJI-UHFFFAOYSA-N prop-2-enoic acid;styrene Chemical compound OC(=O)C=C.C=CC1=CC=CC=C1 HXHCOXPZCUFAJI-UHFFFAOYSA-N 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The invention provides a kind of coated white cardboard, comprise body paper and coating layer, described body paper comprises surface layer, the sandwich layer of stack successively and is distributed with the bottom of essential color fiber; The percentage by weight that described essential color fiber accounts for described bottom is 5-10%; This coating layer is coated on this surface layer. Due to distribution the form texture of essential color fiber on bottom, the coated white cardboard of gained of the present invention is easy to and common white paperboard Division identification; And essential color fiber do not need bleached chemical processing, reduce the impact of bleached chemical preparation on environment, the COD discharge capacity can effectively reduce slurrying time. Adopt fibre structure, increased flexility and the bond strength of paper, improve interlayer adhesion, thereby improved packaging intensity.
Description
Technical field
The present invention relates to pulp technology for making paper, specifically a kind of coated white cardboard and production technology thereof.
Background technology
At present, the anti-counterfeiting technology on wrapping paper generally adopts bar code anti-counterfeit, antiforge etc.; But along with various new technologiesDevelopment, as, high accuracy scanning and printing, computer graphics disposal technology, digital printing technology etc., make false proof on wrapping paperMeasure is easy to lose efficacy, and is imitated. If by transformation papermaking, printing equipment, improve anti-counterfeiting technology, cost is too high, nothingMethod is universal to be implemented. Packaging base material based on using generally in the market is common coated white cardboard, if from packagingBase material is set about, and a kind of packaging base material that is easier to difference is provided, and is easier to aborning realize, and so how to provide one easierIn the packaging base material of difference, it is current problem demanding prompt solution.
Summary of the invention
A present invention wherein object has been to provide a kind of coated white cardboard that is easy to difference.
Another object of the present invention has been to provide a kind of production technology of the coated white cardboard that is easy to difference.
In order to achieve the above object, the present invention has adopted following technical scheme:
A kind of coated white cardboard, comprises body paper and coating layer, and described body paper comprises surface layer, sandwich layer and the distribution of stack successivelyThere is the bottom of essential color fiber; The percentage by weight that described essential color fiber accounts for described bottom is 5-10%; This coating layer is coated on this faceOn layer.
As the preferred technical solution of the present invention, wood pulp component and the percentage by weight of described surface layer are: bleaching leaf woodNBSK 70-90%, bleaching softwood kraft pulp 10-30%; Wood pulp component and the percentage by weight of described bottom are: true qualitiesFiber 5-10%, bleaching broad-leaved wood sulphate pulp 60-85%, bleaching softwood kraft pulp 8-30%.
As the preferred technical solution of the present invention, wood pulp component and the percentage by weight of described sandwich layer are: bleaching leaf woodNBSK 50-55%, bleaching softwood kraft pulp 5-25%, broken 25-40%; Or, the wood pulp component of described sandwich layer and heavyAmount percentage is: bleaching leaf wood chemi-mechanical pulp 40-55%, bleaching broad-leaved wood sulphate pulp 20-25%, broken 25-40%.
As the preferred technical solution of the present invention, described coating layer comprises precoated shet, core coating and face from inside to outside successivelyCoating.
As the preferred technical solution of the present invention, the coating weight of described precoated shet, core coating, finishing coat is respectively 8-10Gram/m, 10-12 gram/m, 10-12 gram/m.
As the preferred technical solution of the present invention, component and the proportioning parts by weight of described precoated shet and core coating are: carbon100 parts of calcium of acid, 6～10 parts, latex, 1.0～4.5 parts of soybean proteins, 0.1～0.6 part of carboxymethyl cellulose, dispersant 0.05～0.12 part, 0.5～1.0 part of water repellent agent, 0.3～1.2 part of lubricant, 0.035 part of defoamer.
A kind of coated white cardboard production technology, comprises the following steps: in surface layer slurry, center stock, component, contain weightPercentage is that the base pastes of essential color fiber of 5-10% is respectively through the mixing of pulper size degradation, mill paste mill grinding, with slurry laggardEnter the paper machine of three cascade net moulding; In paper machine inner filtration, three cascade net moulding, produce there is surface layer, sandwich layer and distributionHave the l Water Paper page of the bottom of essential color fiber, this l Water Paper page is dry through paper machine, after top sizing body paper, be then coated with, dryAfter enter reeling end, batch, turn again packing finished product.
As the preferred technical solution of the present invention, wood pulp component and the percentage by weight of described surface layer are: bleaching leaf woodNBSK 70-90%, bleaching softwood kraft pulp 10-30%; Wood pulp component and the percentage by weight of described bottom are: true qualitiesFiber 5-10%, bleaching broad-leaved wood sulphate pulp 60-85%, bleaching softwood kraft pulp 8-30%.
As the preferred technical solution of the present invention, wood pulp component and the percentage by weight of described sandwich layer are: bleaching leaf woodNBSK 50-55%, bleaching softwood kraft pulp 5-25%, broken 25-40%; Or, the wood pulp component of described sandwich layer and heavyAmount percentage is: bleaching leaf wood chemi-mechanical pulp 40-55%, bleaching broad-leaved wood sulphate pulp 20-25%, broken 25-40%.
As the preferred technical solution of the present invention, described coating adopts the mode of three layers of coating to be coated with, first formerOn the facial tissue of paper, carry out precoating, then carry out successively core and be coated with and face painting.
As the preferred technical solution of the present invention, coating composition and proportioning parts by weight that described precoating and core are coated with are: carbon100 parts of calcium of acid, 6～10 parts, latex, 1.0～4.5 parts of soybean proteins, 0.1～0.6 part of carboxymethyl cellulose, dispersant 0.05～0.12 part, 0.5～1.0 part of water repellent agent, 0.3～1.2 part of lubricant, 0.035 part of defoamer.
Compared with prior art, the true qualities of the disclosed coated white cardboard of the present invention because containing 5-10% in its bottom componentFiber, makes the bottom of manufacturing paper with pulp through paper machine be distributed with more significantly the observable essential color fiber of naked eyes, due to true qualities fibreThe distribution of dimension on bottom forms the observable texture of obvious naked eyes, makes the coated white cardboard of gained of the present invention easyIn with common white paperboard Division identification.
Essential color fiber in bottom does not need chemical treatment, has reduced the impact of chemicals on environment, can effectively reduceCOD discharge capacity when slurrying, had not only had a feature of environmental protection but also have economy.
Adopt fibre structure, increased flexility and the bond strength of paper, improve interlayer adhesion, thereby improvedPackaging intensity.
In coating composition adapted a certain proportion of soybean protein, improved the rheological characteristic of coating, improved coating allEven property and surface property, reduced surface roughness, and the printing quality of paper improves, and performance of ink and improve.
Brief description of the drawings
Fig. 1 is the structural representation of coated white cardboard in the present invention.
Fig. 2 is the structural representation of the bottom that is distributed with essential color fiber of coated white cardboard in the present invention.
Fig. 3 is the production technological process of coated white cardboard in the present invention.
Detailed description of the invention
Refer to Fig. 1, coated white cardboard, comprises body paper and coating layer, described body paper comprise successively stack surface layer 103,Sandwich layer 102 and the bottom 101 that is distributed with essential color fiber 107; On this surface layer 103, be coated with coating layer, this coating layer from inside to outsideComprise successively precoated shet 104, core coating 105 and 106 3 layers of coating layer of finishing coat.
Refer to Fig. 2, owing to containing the essential color fiber that percentage by weight is 5-10% in the component of base pastes, makeBottom 101 is distributed with obvious naked eyes and can be observed essential color fiber 107, and user is easy to watch bottom 101 surfacesThe essential color fiber 107 observable texture of obvious naked eyes that forms, is easy to and common white paperboard Division identification paper product.
Wood pulp component and the percentage by weight of this surface layer 103 are: bleaching broad-leaved wood sulphate pulp 70-90%, bleaching needlebushNBSK 10-30%. Wood pulp component and the percentage by weight of this sandwich layer 102 are: bleach broad-leaved wood sulphate pulp 50-55%, floatWhite softwood kraft pulp 5-25%, broken 25-40%; Or wood pulp component and the percentage by weight of described sandwich layer are: bleach wealthyLeaf wooden chemistry mechanical pulp 40-55%, bleaching broad-leaved wood sulphate pulp 20-25%, broken 25-40%. The wood pulp component of this bottom 101With percentage by weight be: essential color fiber 5-10%, bleaching broad-leaved wood sulphate pulp 60-85%, bleaching softwood kraft pulp 8-30%. Certainly, in surface layer 103, sandwich layer 102 and bottom 101, the bleaching broad-leaved wood sulphate pulp, the bleaching needlebush sulfuric acid that containThe content of salt slurry can be also other ratio, and the present invention limits this, and just good embodiment is in addition as a comparisonExemplify, can not think the restriction to technical solution of the present invention.
The coating weight of this precoated shet 104, core coating 105, finishing coat 106 is respectively 8-10 gram/m, 10-12 gram/flatSide's rice, 10-12 gram/m. This precoated shet 104 with component and the proportioning parts by weight of core coating 105 is: 100 parts, calcium carbonate,6～10 parts, latex, 1.0～4.5 parts of soybean proteins, 0.1～0.6 part of carboxymethyl cellulose, 0.05～0.12 part of dispersant, water resistant0.5～1.0 part of agent, 0.3～1.2 part of lubricant, 0.035 part of defoamer. Wherein, latex can adopt acrylic acid styrene latexOr butadiene-styrene latex. Described finishing coat 106 uses the coating in traditional handicraft to be coated with.
Refer to Fig. 2, the production technology of above-mentioned coated white cardboard, comprises the following steps:
Operating weight percentage is the bleaching broad-leaved wood sulphate pulp of 70-90%, the bleaching softwood kraft pulp of 10-30%Be made into surface layer slurry;
Operating weight percentage be bleaching broad-leaved wood sulphate pulp, the 5-25% of 50-55% bleaching softwood kraft pulp,The broken of 25-40% is made into center stock; Or operating weight percentage is: the bleaching leaf wood chemi-mechanical pulp of 40-55%,The bleaching broad-leaved wood sulphate pulp of 20-25%, the broken of 25-40% are made into center stock.
Operating weight percentage is the floating of bleaching broad-leaved wood sulphate pulp, 8-30% of essential color fiber, the 60-85% of 5-10%White softwood kraft pulp is made into base pastes;
Above-mentioned three kinds of slurries respectively through the mixing of pulper size degradation, mill paste mill grinding, enter three cascade nets after with slurry and becomeThe paper machine of type; In paper machine inner filtration, three cascade net moulding, produce there is surface layer 103, sandwich layer 102 and be distributed with true qualitiesThe l Water Paper page of the bottom 101 of fiber, this l Water Paper page is dry through paper machine, after top sizing body paper, be then coated with, dry laggardEnter reeling end, batch, turn again packing finished product.
In painting process, adopt the mode of three layers of coating to be coated with, first on the facial tissue of body paper, carry out precoating, soAfter carry out successively core be coated with face be coated with. Coating composition and proportioning parts by weight that described precoating and core are coated with are: 100 parts, calcium carbonate, glue6～10 parts of breasts, 1.0～4.5 parts of soybean proteins, 0.1～0.6 part of carboxymethyl cellulose, 0.05～0.12 part of dispersant, water repellent agent0.5～1.0 part, 0.3～1.2 part of lubricant, 0.035 part of defoamer. Finishing coat 106 uses the coating in traditional handicraft to be coated withCloth.
Embodiment mono-:
Surface layer slurry: wood pulp (percentage by weight: bleaching broad-leaved wood sulphate pulp 70%, bleaching softwood kraft pulp30%),, through the mixing of pulper size degradation, mill paste mill grinding, enter paper machine veil and filter;
Center stock: wood pulp (percentage by weight: bleaching broad-leaved wood sulphate pulp 50%, bleaching softwood kraft pulp 25%,Broken 25%), through the mixing of pulper size degradation, mill paste mill grinding, enter papermaking movement net filtration;
Base pastes: wood pulp (percentage by weight: essential color fiber 5%, bleaching broad-leaved wood sulphate pulp 85%, bleaching needlebushNBSK 10%), through the mixing of pulper size degradation, mill paste mill grinding, enter paper machine veil and filter;
Then, through paper machine three cascade net moulding, produce there is surface layer 103, sandwich layer 102 and be distributed with essential color fiberThe l Water Paper page of bottom 101, this l Water Paper page is dry through paper machine, after top sizing body paper, be then coated with, enter after dry and batchPortion, batches, turns again packing finished product.
Coating is by the scraper for coating of paper machine, and point three layers of coating; First on the facial tissue of body paper, carry out precoating, thenCarry out successively core and be coated with and face painting, form successively from inside to outside precoated shet 104, core coating 105 and 106 3 layers of coating layer of finishing coat.
The coating formula that precoating and core are coated with is (parts by weight): 100 parts, calcium carbonate, 6 parts, latex, 4.5 parts of soybean proteins, carboxylic0.1 part of methylcellulose, 0.05 part of dispersant, 0.5 part of water repellent agent, 0.3 part of lubricant, 0.035 part of defoamer. Finishing coat 106Use the coating in traditional handicraft to be coated with.
The coating weight of precoated shet 104, core coating 105, finishing coat 106 is respectively by 8 grams/m, 10 grams/m, 10Gram/m be coated with.
The coated white cardboard of producing contrasts detection with the FBB common white paperboard of the identical grammes per square metre on market, and it is eachAspect physical property is all better than FBB common white paperboard.
Following table is that the physical index of the coated white cardboard in FBB common white paperboard and this case of 210 grams/m detects knotReally:
| Physical index | Unit | FBB common white paperboard | Coated white cardboard in this case |
| Quantitatively | g/m2 | 210 | 210 |
| Thickness | μm | 278 | 271 |
| Deflection (vertical/horizontal) | mN.m | 4.2/2.3 | 5.1/2.5 |
| Interfacial bonding strength | J/m2 | 110 | 175 |
| Tensile strength (vertical/horizontal) | KN/m | 9.65/6.31 | 14.05/6.80 |
| Tearability (vertical/horizontal) | mN | 1102/1203 | 3125/3349 |
| Bursting strength | KPa | 400 | 800 |
| Folding strength (vertical/horizontal) | Inferior | 162/160 | 250/197 |
| IGT falls a mao speed (front) | m/s | 3.2 | 3.2 |
In the present embodiment, center stock used also can adopt (percentage by weight): 40% bleaching leaf wood chemistryMechanical pulp, 20% bleaching broad-leaved wood sulphate pulp, 40% broken are made into center stock. In surface layer, bottom, coating formula and paintingMaterial coating weight is constant, in the situation identical with above-described embodiment one, and the coated white cardboard of producing and identical grammes per square metre on marketFBB common white paperboard contrast detection, its each side physical property is all better than FBB common white paperboard.
Following table is that the physical index of the coated white cardboard in FBB common white paperboard and this case of 210 grams/m detects knotReally:
| Physical index | Unit | FBB common white paperboard | Coated white cardboard in this case |
| Quantitatively | g/m2 | 210 | 210 |
| Thickness | μm | 278 | 278 |
| Deflection (vertical/horizontal) | mN.m | 4.2/2.3 | 5.7/2.8 |
| Interfacial bonding strength | J/m2 | 110 | 168 |
| Tensile strength (vertical/horizontal) | KN/m | 9.65/6.31 | 13.20/6.72 |
| Tearability (vertical/horizontal) | mN | 1102/1203 | 3098/3215 |
| Bursting strength | KPa | 400 | 780 |
| Folding strength (vertical/horizontal) | Inferior | 162/160 | 248/195 |
| IGT falls a mao speed (front) | m/s | 3.2 | 3.2 |
Embodiment bis-
The making flow process of the present embodiment is identical with above-described embodiment one, and difference is: surface layer slurry, center stock,The wet end furnish of base pastes, the coating formula that precoating and core are coated with.
Surface layer slurry (percentage by weight): bleaching broad-leaved wood sulphate pulp 85%, bleaching softwood kraft pulp 15%;
Center stock (percentage by weight): bleaching broad-leaved wood sulphate pulp 53%, bleaching softwood kraft pulp 17%, broken30%；
Base pastes (percentage by weight): essential color fiber 8%, bleaching broad-leaved wood sulphate pulp 72%, bleaching needlebush sulfuric acidSalt slurry 20%;
The coating formula that precoating and core are coated with is (parts by weight): 100 parts, calcium carbonate, 8 parts, latex, 3 parts of soybean proteins, carboxylic first0.4 part of base cellulose, 0.09 part of dispersant, 0.8 part of water repellent agent, 0.3～1.2 part of lubricant, 0.035 part of defoamer.
The coating weight of precoated shet 104, core coating 105, finishing coat 106 is respectively by 9 grams/m, 11 grams/m, 11Gram/m be coated with.
The coated white cardboard of producing contrasts detection with the FBB common white paperboard of the identical grammes per square metre on market, and it is eachAspect physical property is all better than FBB common white paperboard.
Following table is the FBB common white paperboard of 220 grams/m and the physical index testing result of coated white cardboard:
| Physical index | Unit | FBB common white paperboard | Coated white cardboard in this case |
| Quantitatively | g/m2 | 220 | 220 |
| Thickness | μm | 297 | 291 |
| Deflection (vertical/horizontal) | mN.m | 5.0/2.5 | 5.3/2.5 |
| Interfacial bonding strength | J/m2 | 112 | 188 |
| Tensile strength (vertical/horizontal) | KN/m | 10.52/6.90 | 15.30/6.99 |
| Tearability (vertical/horizontal) | mN | 1210/1350 | 3503/3798 |
| Bursting strength | KPa | 421 | 966 |
| Folding strength (vertical/horizontal) | Inferior | 147/130 | 290/166 |
| IGT falls a mao speed (front) | m/s | 3.2 | 3.4 |
In the present embodiment, center stock used also can adopt (percentage by weight): 45% bleaching leaf wood chemistryMechanical pulp, 25% bleaching broad-leaved wood sulphate pulp, 30% broken are made into center stock. In surface layer, bottom, coating formula and paintingMaterial coating weight is constant, in the situation identical with above-described embodiment two, and the coated white cardboard of producing and identical grammes per square metre on marketFBB common white paperboard contrast detection, its each side physical property is all better than FBB common white paperboard.
Following table is that the physical index of the coated white cardboard in FBB common white paperboard and this case of 220 grams/m detects knotReally:
| Physical index | Unit | FBB common white paperboard | Coated white cardboard in this case |
| Quantitatively | g/m2 | 220 | 220 |
| Thickness | μm | 278 | 295 |
| Deflection (vertical/horizontal) | mN.m | 4.2/2.3 | 6.4/3.0 |
| Interfacial bonding strength | J/m2 | 110 | 178 |
| Tensile strength (vertical/horizontal) | KN/m | 9.65/6.31 | 15.31/6.43 |
| Tearability (vertical/horizontal) | mN | 1102/1203 | 3230/3570 |
| Bursting strength | KPa | 400 | 952 |
| Folding strength (vertical/horizontal) | Inferior | 162/160 | 305/178 5 --> |
| IGT falls a mao speed (front) | m/s | 3.2 | 3.3 |
Embodiment tri-
Surface layer slurry (percentage by weight): bleaching broad-leaved wood sulphate pulp 90%, bleaching softwood kraft pulp 10%;
Center stock (percentage by weight): bleaching broad-leaved wood sulphate pulp 55%, bleaching softwood kraft pulp 5%, broken40%；
Base pastes (percentage by weight): essential color fiber 10%, bleaching broad-leaved wood sulphate pulp 60%, bleaching needlebush sulfuric acidSalt slurry 30%;
The coating formula that precoating and core are coated with is (parts by weight): 100 parts, calcium carbonate, 10 parts, latex, 1.0 parts of soybean proteins,0.6 part of carboxymethyl cellulose, 0.12 part of dispersant, 1.0 parts of water repellent agents, 1.2 parts of lubricants, 0.035 part of defoamer.
The coating weight of precoated shet 104, core coating 105, finishing coat 106 is respectively by 10 grams/m, 12 grams/m, 12Gram/m be coated with.
The coated white cardboard of producing contrasts detection with the FBB common white paperboard of the identical grammes per square metre on market, and it is eachAspect physical property is all better than FBB common white paperboard.
Following table is the FBB common white paperboard of 230 grams/m and the physical index testing result of coated white cardboard:
| Physical index | Unit | FBB common white paperboard | Coated white cardboard in this case |
| Quantitatively | g/m2 | 230 | 230 |
| Thickness | μm | 308 | 300 |
| Deflection (vertical/horizontal) | mN.m | 5.3/2.6 | 6.4/3.0 |
| Interfacial bonding strength | J/m2 | 125 | 190 |
| Tensile strength (vertical/horizontal) | KN/m | 11.50/7.12 | 15.20/7.32 |
| Tearability (vertical/horizontal) | mN | 1212/1435 | 4078/4512 |
| Bursting strength | KPa | 539 | 1008 |
| Folding strength (vertical/horizontal) | Inferior | 150/155 | 403/190 |
| IGT falls a mao speed (front) | m/s | 3.2 | 3.6 |
In the present embodiment, center stock used also can adopt (percentage by weight): 55% bleaching leaf wood chemistryMechanical pulp, 20% bleaching broad-leaved wood sulphate pulp, 25% broken are made into center stock. In surface layer, bottom, coating formula and paintingMaterial coating weight is constant, in the situation identical with above-described embodiment three, and the coated white cardboard of producing and identical grammes per square metre on marketFBB common white paperboard contrast detection, its each side physical property is all better than FBB common white paperboard.
Following table is that the physical index of the coated white cardboard in FBB common white paperboard and this case of 230 grams/m detects knotReally:
| Physical index | Unit | FBB common white paperboard | Coated white cardboard in this case |
| Quantitatively | g/m2 | 230 | 230 |
| Thickness | μm | 278 | 305 |
| Deflection (vertical/horizontal) | mN.m | 4.2/2.3 | 6.8/3.1 |
| Interfacial bonding strength | J/m2 | 110 | 180 |
| Tensile strength (vertical/horizontal) | KN/m | 9.65/6.31 | 15.10/7.08 6 --> |
| Tearability (vertical/horizontal) | mN | 1102/1203 | 4030/4360 |
| Bursting strength | KPa | 400 | 954 |
| Folding strength (vertical/horizontal) | Inferior | 162/160 | 400/185 |
| IGT falls a mao speed (front) | m/s | 3.2 | 3.5 |
The foregoing is only preferred embodiment of the present invention, be not used for limiting practical range of the present invention; Every according to thisThe equivalence that invention is done changes and amendment, is all covered by the scope of the claims in the present invention book.
Claims (4)
1. a coated white cardboard, comprises body paper and coating layer, it is characterized in that: described body paper comprise successively stack surface layer,Sandwich layer and the bottom that is distributed with essential color fiber; The percentage by weight that described essential color fiber accounts for described bottom is 5-10%; This coating layerBe coated on this surface layer;
Wood pulp component and the percentage by weight of described surface layer are: bleaching broad-leaved wood sulphate pulp 70-90%, bleaching needlebush sulfuric acidSalt slurry 10-30%;
Wood pulp component and the percentage by weight of described sandwich layer are: bleaching broad-leaved wood sulphate pulp 50-55%, bleaching needlebush sulfuric acidSalt slurry 5-25%, broken 25-40%;
Wood pulp component and the percentage by weight of described bottom are: essential color fiber 5-10%, bleaching broad-leaved wood sulphate pulp 60-85%,Bleaching softwood kraft pulp 8-30%;
Described coating layer comprises precoated shet, core coating and finishing coat from inside to outside successively; The component of described precoated shet and core coatingWith proportioning parts by weight be: 100 parts, calcium carbonate, 6～10 parts, latex, 1.0～4.5 parts of soybean proteins, carboxymethyl cellulose 0.1～0.6 part, 0.05～0.12 part of dispersant, 0.5～1.0 part of water repellent agent, 0.3～1.2 part of lubricant, 0.035 part of defoamer.
2. a kind of coated white cardboard according to claim 1, is characterized in that: described precoated shet, core coating, finishing coatCoating weight is respectively 8-10 gram/m, 10-12 gram/m, 10-12 gram/m.
3. according to the coated white cardboard production technology described in claim 1-2 any one, it is characterized in that, comprise the following steps:In surface layer slurry, center stock, component, contain percentage by weight and be the base pastes of essential color fiber of 5-10% respectively through pulperSize degradation mixing, mill paste mill grinding, enter the paper machine of three cascade net moulding after with slurry; At paper machine inner filtration, three stackedNet forming, produce there is surface layer, sandwich layer and be distributed with the l Water Paper page of the bottom of essential color fiber, this l Water Paper page is dry through paper machineAfter dry, top sizing body paper, be then coated with, enter reeling end after dry, batch, turn again packing finished product.
4. a kind of coated white cardboard production technology according to claim 3, is characterized in that: described coating adopts three layers of paintingThe mode of cloth is coated with, and first on the facial tissue of body paper, carries out precoating, then carries out successively core and is coated with and face painting.
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| CN 201210439875 CN102926293A (en) | 2012-11-06 | 2012-11-06 | Solid bleached sulphate (SBS) coating white cardboard and process for producing the same |
| CN201210439875.2 | 2012-11-06 | ||
| CN201310102081.1A CN103321096B (en) | 2012-11-06 | 2013-03-27 | A kind of coated white cardboard and production technology thereof |
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| CN201310102081.1A Active CN103321096B (en) | 2012-11-06 | 2013-03-27 | A kind of coated white cardboard and production technology thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102926293A (en) * | 2012-11-06 | 2013-02-13 | 珠海经济特区红塔仁恒纸业有限公司 | Solid bleached sulphate (SBS) coating white cardboard and process for producing the same |
| PL3044370T3 (en) * | 2013-09-13 | 2022-06-27 | Stora Enso Oyj | Multiply paperboard |
| CN105603830B (en) * | 2016-03-11 | 2018-03-06 | 亚太森博（山东）浆纸有限公司 | A kind of cardboard and preparation method thereof |
| CN106283929A (en) * | 2016-08-26 | 2017-01-04 | 珠海红塔仁恒包装股份有限公司 | A kind of containing cabo and/or the coated white cardboard of Nicotiana tabacum L. and production technology |
| CN106381757A (en) * | 2016-09-05 | 2017-02-08 | 珠海红塔仁恒包装股份有限公司 | Anti-counterfeiting coated ivory board and production technique thereof |
| CN106381773A (en) * | 2016-11-23 | 2017-02-08 | 珠海红塔仁恒包装股份有限公司 | Red fiber coated white card paper and production process thereof |
| CN106381772A (en) * | 2016-11-23 | 2017-02-08 | 珠海红塔仁恒包装股份有限公司 | Natural-color fiber coated white card board and manufacturing method thereof |
| CN108301255B (en) * | 2018-01-02 | 2021-04-13 | 广西金桂浆纸业有限公司 | High-bulk refrigerated packaging paper and preparation method thereof |
| CN111270561B (en) * | 2020-02-24 | 2022-03-25 | 亚太森博（山东）浆纸有限公司 | High-whiteness yellowing-resistant coated white cardboard and preparation method thereof |
| CN111691237A (en) * | 2020-06-19 | 2020-09-22 | 湖北骏马纸业有限公司 | Production process of high-barrier coated white cardboard |
| CN111676737B (en) * | 2020-06-19 | 2022-06-21 | 湖北骏马纸业有限公司 | White cardboard and production process thereof |
| CN114507999B (en) * | 2022-01-28 | 2023-11-10 | 湛江晨鸣浆纸有限公司 | Coated white cardboard of various fiber raw materials and production process thereof |
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| CN102154957A (en) * | 2011-01-29 | 2011-08-17 | 珠海经济特区红塔仁恒纸业有限公司 | Natural-color cigarette cardboard and production method thereof |
| CN102926293A (en) * | 2012-11-06 | 2013-02-13 | 珠海经济特区红塔仁恒纸业有限公司 | Solid bleached sulphate (SBS) coating white cardboard and process for producing the same |
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| CN102154957A (en) * | 2011-01-29 | 2011-08-17 | 珠海经济特区红塔仁恒纸业有限公司 | Natural-color cigarette cardboard and production method thereof |
| CN102926293A (en) * | 2012-11-06 | 2013-02-13 | 珠海经济特区红塔仁恒纸业有限公司 | Solid bleached sulphate (SBS) coating white cardboard and process for producing the same |
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Address after: 519070, Qianshan Industrial Zone, Xiangzhou District, Guangdong, Zhuhai Patentee after: ZHUHAI HONGTA RENHENG PACKAGING CO.,LTD. Patentee after: Technology Center, Hongyun Honghe Tobacco (Group) Co.,Ltd. Address before: 519070, Qianshan Industrial Zone, Xiangzhou District, Guangdong, Zhuhai Patentee before: ZHUHAI S E Z HONGTA RENHENG PAPER Co.,Ltd. Patentee before: Technology Center, Hongyun Honghe Tobacco (Group) Co.,Ltd. |