CN201443028U - Light coated white surface craft paper - Google Patents
Light coated white surface craft paper Download PDFInfo
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- CN201443028U CN201443028U CN2009200274190U CN200920027419U CN201443028U CN 201443028 U CN201443028 U CN 201443028U CN 2009200274190 U CN2009200274190 U CN 2009200274190U CN 200920027419 U CN200920027419 U CN 200920027419U CN 201443028 U CN201443028 U CN 201443028U
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Abstract
The utility model discloses a light coated white surface craft paper which comprises a surface layer, a core layer and a bottom layer. The light coated white surface craft paper further comprises a coating layer, wherein the coating layer is arranged on the surface layer, the thickness of the coating layer is comparatively even and is waved along the surface of the surface layer, the definite quantity of the craft paper is 120 to 220g/m2, and the coating amount of the coating layer is 6 to 15g/m2. The light coated white surface craft paper disclosed by the utility model well combines advantages of common white surface craft paper and heavy coated paper, since the coating is thinner, the intensity of original paper can be well preserved, they the definite quantity can be extremely low, low definite quantity can greatly improve the cardboard box yield of unit weight, and the production cost of users can be lowered. Simultaneously, fewer coating content is beneficial for lowering the difficulty in reclaiming and treating light coated white surface craft paper, thereby reducing water pollution, and the light coated white surface craft paper has excellent development prospect.
Description
Technical field
The utility model relates to the white-top kraft liner board technical field, relates in particular to a kind of light coated white craft paper.
Background technology
White-top kraft liner board intensity height, single face whiteness are also higher, thereby become a kind of broad-spectrum packaging material day by day.It generally includes a surface layer, a sandwich layer and a bottom, perhaps a surface layer, a lining, a sandwich layer and a bottom, owing to adopted layer structure, surface layer, lining, sandwich layer and bottom can adopt different fibre stufves, and for example surface layer can adopt wood pulp one time, and remaining layer can adopt the secondary stock slurry, thereby, the white-top kraft liner board production cost is low, and the slurrying pollutional load is little, is fit to very much the national conditions that China's nature timber resources lacks.But the surface smoothness of common white-top kraft liner board is low, and absorption of inks is excessive, and print gloss is poor, thereby can't satisfy high-quality printing demand.
As heavy coated paper, be again another kind of situation, it is quantitatively generally at 200-400g/m
2, coating layer is very thick, generally at 30-50g/m
2Though, the whiteness height of heavy coated paper, the smoothness height, absorption of inks is little, and print gloss is also good, and printing quality is good, and because coating layer is very thick, under same quantitative situation, its intensity is very low, can not reach high-intensity packing instructions.Simultaneously, because its intensity is low, page is very easily broken in the paper machine running, also just can't accomplish to hang down quantitatively, can't provide low manufacturing cost to the user.Coating is the raw material that can not be recycled, when heavy coated paper is recycled, because of its coating content height, can hinder the drainage of forming net for making paper and woollen blanket, have a strong impact on normally carrying out and product quality of production, simultaneously, also can increase the difficulty of water treatment, increase the weight of paper-making pollution.
As the present inventor, be devoted for years to production in white-top kraft liner board, have rich practice experience.Through concentrating on studies of inventor, creatively work out a kind of method of making light coated white craft paper, this method is fit to the national conditions that China's nature timber resources lacks, the light coated white craft paper that produces by this method, under same quantitative situation, intensity height not only, and printing quality is good.
The utility model content
Technical problem to be solved in the utility model is: a kind of light coated white craft paper is provided, this white-top kraft liner board under same quantitative situation, intensity height not only, and printing quality is good.
For solving the problems of the technologies described above, the technical solution of the utility model is: light coated white craft paper, and it comprises surface layer, sandwich layer and bottom; Described craft paper also comprises a coating layer, and described coating layer is arranged on the described surface layer, and the thickness of described coating layer is relatively evenly and with the surface undulation of described surface layer; Described craft paper quantitatively be 120～220g/m
2, the coating weight of described coating layer is 6～15g/m
2
Wherein, the Main Ingredients and Appearance of described coating layer is calcium carbonate and kaolin.
Wherein, described craft paper also comprises a glue application layer, and described glue application layer is arranged on the surface of bottom.
Wherein, described craft paper also comprises a lining, and described lining is arranged between surface layer and the sandwich layer.
After having adopted technique scheme, the beneficial effects of the utility model are: because described dab craft paper comprises a coating layer, described coating layer is arranged on the described surface layer, the thickness of described coating layer is relatively evenly and with the surface undulation of described surface layer, so the covering effect of this craft paper is good, absorption of inks is even during printing, and printability is good; And can adopt the once technology of coating, greatly reduce the thickness of coating layer, under same quantitative situation, the coating white heifer card that the utility model disclosed is suitable with common white-top kraft liner board in every intensity indexs such as folding, anti-broken, ring pressures, and significantly better than the higher heavy coated paper of coating weight.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the cutaway view of the utility model embodiment;
Fig. 2 is the schematic cross-section of the coating layer of the utility model embodiment;
Fig. 3 is a kind of schematic cross-section of coating layer of heavy coated paper;
Among the figure: 1. coating layer; 2. surface layer; 3. lining; 4. sandwich layer; 5. bottom; 6. glue application layer; T. weigh the coating layer of coated paper.
The specific embodiment
Shown in Fig. 1 and Fig. 2 are common, a kind of light coated white craft paper, it comprises surface layer 2, lining 3, sandwich layer 4 and bottom 5, described craft paper also comprises a coating layer 1, described coating layer 1 is arranged on the described surface layer 2, and the thickness of described coating layer 1 is relatively evenly and with the surface undulation of described surface layer 2; Described craft paper quantitatively be 120～220g/m
2, the coating weight of described coating layer is 6～15g/m
2Described craft paper also comprises a glue application layer 6, and described glue application layer 6 is arranged on the surface of bottom 5.
Above-mentioned light coated white craft paper can be with following process manufacturing.
1, slurrying
A, the wood pulp material is pulled an oar to beating degree 40-50 ° SR, make surface layer slurry.
B, will reclaim secondhand book and old newspaper and wastepaper and pull an oar, make the lining slurry to beating degree 45-55 ° SR.
C, with the OCC slurry pulping to beating degree 30-40 ° SR, make center stock.
D, with the OCC slurry pulping to beating degree 30-40 ° SR, make base pastes.
2, coating preparation
Formulation for coating material: see Table 1.
Table 1
In the table 1, the preferred powdered whiting of described calcium carbonate, the kaolinic average grain diameter of described particulate is 0～2 μ m, the described kaolin of delaminating is to be handled through delaminating less than the particulate kaolin of 2 μ m by average grain diameter to obtain, with respect to common particulate kaolin, the kaolinic radius-thickness ratio of delaminating is bigger, and therefore, covering effect is better.
After stirrings such as above-mentioned pigment, adhesive and auxiliary agent, the index of the coating that makes is as follows:
Solid content: 58-66wt%
Viscosity: 1500-1900cps (25 ℃, NDJ-1 type viscosimeter, the 3# rotor, 60rpm)
PH value: 8.5-9.5 (25 ℃).
3, manufacture paper with pulp
Surface layer slurry, lining slurry, center stock and base pastes are sent into four folded net forming machine moulding from head box separately;
Drying section drying before squeezing enters;
Then, carry out soft calendaring or hard press polish by preceding calender;
Then, on the film transfer coater, surface layer is carried out single coating and bottom is carried out the individual layer applying glue; Then, enter back drying section drying;
Then, by finishing devices such as the two nip soft press-polishing machines of four rollers to white-top kraft liner board soft calendaring once more;
At last, through coil paper, cut and pack, make the finished product light coated white craft paper.
Adopt the scheme 1 of formulation for coating material to make quantitative 120g/m respectively
2, 150g/m
2, 170g/m
2And 220g/m
2Light coated white craft paper, its technical indicator sees Table 2.
Table 2
Certainly, adopt the scheme 2,3 or 4 of formulation for coating material, also can make above-mentioned quantitative light coated white craft paper, its performance is approaching substantially.
Comparison diagram 2 and Fig. 3 can clearly be seen that the thickness of the coating layer 1 that employing film transfer coater is produced roughly evenly and with top layer 2 rises and falls, and the coating layer t of heavy coated paper adopts the scraper type coating machine to produce, its surface smoothing, but thickness is obviously inhomogeneous.This is that coating layer of the present utility model is reaching 6～15g/m
2The time, still have one of reason of good printability.
In a word, the light coated white craft paper that the utility model discloses has well contained the advantage of common white-top kraft liner board and heavy coated paper, because coating is thinner, generally at 6～15g/m2, kept well the intensity of body paper, thereby it quantitatively can accomplish very low (120g/m2), the low carton output that quantitatively can greatly improve Unit Weight reduces user's production cost. Simultaneously, coating content still less is conducive to reduce light coated white craft paper in the difficulty of recycling, reduces water and pollutes, and has good development prospect.
Claims (4)
1. light coated white craft paper comprises
Surface layer, sandwich layer and bottom is characterized in that: described craft paper also comprises
A coating layer, described coating layer are arranged on the described surface layer, and the thickness of described coating layer is relatively evenly and with the surface undulation of described surface layer;
Described craft paper quantitatively be 120～220g/m
2, the coating weight of described coating layer is 6～15g/m
2
2. white-top kraft liner board as claimed in claim 1 is characterized in that: the Main Ingredients and Appearance of described coating layer is calcium carbonate and kaolin.
3. light coated white craft paper as claimed in claim 2 is characterized in that: described craft paper also comprises a glue application layer, and described glue application layer is arranged on the surface of bottom.
4. white-top kraft liner board as claimed in claim 1 is characterized in that: described craft paper also comprises a lining, and described lining is arranged between surface layer and the sandwich layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200274190U CN201443028U (en) | 2009-06-11 | 2009-06-11 | Light coated white surface craft paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200274190U CN201443028U (en) | 2009-06-11 | 2009-06-11 | Light coated white surface craft paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201443028U true CN201443028U (en) | 2010-04-28 |
Family
ID=42547704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200274190U Expired - Lifetime CN201443028U (en) | 2009-06-11 | 2009-06-11 | Light coated white surface craft paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201443028U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572666A (en) * | 2012-07-20 | 2014-02-12 | 北越纪州制纸株式会社 | Coated white paperboard |
| CN105484106A (en) * | 2016-01-14 | 2016-04-13 | 河北昌泰纸业有限公司 | High-strength, water-resistant and environment-friendly kraft paper and preparation method |
-
2009
- 2009-06-11 CN CN2009200274190U patent/CN201443028U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572666A (en) * | 2012-07-20 | 2014-02-12 | 北越纪州制纸株式会社 | Coated white paperboard |
| CN105951531A (en) * | 2012-07-20 | 2016-09-21 | 北越纪州制纸株式会社 | Coated white board paper |
| CN105951531B (en) * | 2012-07-20 | 2019-06-18 | 北越株式会社 | Coated manila |
| CN105484106A (en) * | 2016-01-14 | 2016-04-13 | 河北昌泰纸业有限公司 | High-strength, water-resistant and environment-friendly kraft paper and preparation method |
| CN105484106B (en) * | 2016-01-14 | 2017-06-16 | 河北昌泰纸业有限公司 | A kind of high-strength water-resistance environmental protection craft paper and preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Changle Xinmai Paper Co., Ltd. Assignor: Shandong Century Sunshine Paper Group Co., Ltd. Contract record no.: 2010370000603 Denomination of utility model: Light-coated kraft production equipment and method Granted publication date: 20100428 License type: Exclusive License Record date: 20101223 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100428 |