CN101260632B - High definition enamelled paper possessing safety line and its making process - Google Patents
High definition enamelled paper possessing safety line and its making process Download PDFInfo
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- CN101260632B CN101260632B CN2007100615735A CN200710061573A CN101260632B CN 101260632 B CN101260632 B CN 101260632B CN 2007100615735 A CN2007100615735 A CN 2007100615735A CN 200710061573 A CN200710061573 A CN 200710061573A CN 101260632 B CN101260632 B CN 101260632B
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- paper
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- absorbing layer
- ink absorbing
- safety line
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Abstract
The invention relates to a high definition copper paper board with a secure line and a manufacturing technique thereof. The copper paper board is formed by coating a high solid content dope combined by a white pigment and a cementing compound evenly on a base paper and being dried as well as rewound. The manufacturing technique comprises the following steps that: 1. a common offset paper is selected as a base paper, a coating machine is adopted to coat an ink absorbing layer dope formed by mixing the white pigment and the cementing compound; 2. a cast coater is adopted to coat a specular layer dope mixed by a silicasol or a colloidal alumina and the cementing compound on the surface of the ink absorbing layer dope after dried; 3. the process the same as the step 2 is performed, the secureline with the back surface applied by the glue is arranged at the designed position on the ink absorbing layer dope layer and below the specular layer dope by means of the match of a small-sized compression roller which is arranged for matching the cast coater; 4. a mirror cylinder of the cast coater is adopted to perform the pressing and glazing processes on the paper surface after the secondary coating after the paper is dried and dewatered; 5. the post sorting, cutting and rewinding processes are performed to form finished products.
Description
Technical field
The present invention relates to improvement, particularly relate to improvement with anti-fraud functional extraordinary art paper and manufacture craft thereof to art paper and manufacture craft thereof.
Background technology:
Along with the diversified development of the development of society and economic activity is increasing to the art paper use amount with high-grade colored printing performance, require more and more higher to printed image reduction degree.Also require to have certain antiforge function simultaneously, do not invaded with protection author copyright.It is basic paper that tradition art paper adopts special-purpose art base paper, and coating one deck is by the Chinese white of calcium carbonate, china clay class and the whitewash that adhesive is made into.Divide two kinds of single face coating and double spreads, oven dry is after the supercalender glazing is made senior coated paper for printing.The art paper of Sheng Chaning has tightness height, smoothness height like this, fine and smooth pure white and glossiness height, and the oil absorption that has appropriateness again is suitable for copperplate printing or offset printing.Printed color or monochromatic magazine, picture, wall calendar, map and books and periodicals also are packages printing paper.Art paper requires to have higher strength of coating, not dry linting.Though the common art paper of standard-required should be able to be fit to 60 lines/centimetre more than the fine mesh printing, the repeatability of its site, do not reach the requirement of digital color printing technology, and be not suitable as digital color output printing.More do not have false proof function.Books, picture album, wrapping paper, ticket at present increasing top grade can't adapt in the demand of printing quality, printing cost, adaptability and the false proof function of cracking down on counterfeit goods, how with the effective anti-counterfeiting technology of tradition, the safety line that adopts on the bank note for example is applied on the art paper and printing quality is further improved and comprises that adapting to the digitalized electron colored printing has become the problem that the industry is paid close attention to.
Summary of the invention
Main purpose of the present invention is to overcome the deficiencies in the prior art, and a kind of high-definition copperplate paper and manufacture craft thereof with safety line is provided.Making every effort to common offset paper provides a kind of high-definition copperplate paper with security feature as basic paper by means of modified coating.When adapting to the printing of copperplate printing and hectograph chromatic image, reach the special demands of computer outlet terminal colored digital printing.
Key of the present invention is by a large amount of tests, determined on common offset paper will to have the process that anti-fraud functional safety line is provided with the art paper surface accurately, securely in conjunction with the coating and the fixation procedure of Chinese white.Make made art paper not observe directly processing at the lip-deep anti-fake mark of safety line not destroying under the complete prerequisite of paper by instrument.Not only do not influence formed coating and in press oiliness and aqueous pigment are all shown stable absorption characteristic and fixation characteristic, and reduce the body paper specific (special) requirements.Another key of the present invention is the ink absorbing layer determined by a large amount of tests and the prescription of high photosphere coating.The support of the formed high light film layer of high in the present invention photosphere coating down can rely on powerful calender and realize the high smoothness of paper, art paper characteristics such as fine and smooth pure white and high gloss.Can the strong guarantee copperplate printing and hectographic printing in photochrome beautiful in colour, parsing is meticulous, the depth of field is long-range, when third dimension is strong, the permeability and the water proofing property after the imaging of the water color ink in color jet-ink printing and the high-precision silk screen printing all had adaptive capacity and good effect widely.Concrete summary of the invention comprises:
This art paper is the high solids coatings that is mixed by Chinese white and adhesive in the coating of body paper, carries out dry post processing rewinding on reel machine again and becomes reel to form, and crucial improvement is that this manufacture craft takes following operation to realize:
1. choose common offset paper as body paper, with the high solids coatings that Chinese white and adhesive are mixed and form, be specially ink absorbing layer coating and be coated with by coating machine,
2. by means of casting-coating machine with the high solids coatings that Ludox or aluminium colloidal sol and adhesive are mixed and form, be specially high photosphere coating and be uniformly coated on through above the ink absorbing layer coating after the dried,
3. with operation that 2. step carries out synchronously also comprise by means of with the position that safety line is set in above the ink absorbing layer dope layer, high photosphere coating designs below of cooperating of the small-sized pressure roller of the supporting setting of casting-coating machine with backsizing,
4. by means of the minute surface cylinder of casting-coating machine will through the secondary coating paper behind drying and dehydrating, finish to press and grind glazing,
5. put in order after, cut, rewinding becomes finished product.
Operation 1. in said ink absorbing layer coating according to following composition by weight than preparation:
Silica: 20-90 part
China clay: 40-5 part
Precipitated calcium carbonate: 40-5 part
Polyvinyl alcohol 10%:50-170 part
Vinyl acetate-ethylene copolymerization emulsions: 35-80 part
Cationic fixing agent: 15-20 part
Six sulfonic acid: 3-6 part
N-butanol: 2-6 part
Operation 2. in said high photosphere coating according to following composition by weight than preparation:
Ludox or aluminium colloidal sol: 100 parts
Polyvinyl alcohol 10%:40-60 part
Benzene emulsion: 2-5 part
Cationic fixing agent: 3-5 part
Take off the cylinder agent: 1-3 part
The particle mean size of above-described silica is 2-9 μ m.
Content of the present invention also comprises the art paper that has adopted above said processing step to process.This art paper be the single or double of common offset paper evenly in the coating by the ink absorbing layer coating described in the above operation, again on casting-coating machine, finish high photosphere coating in, again by means of with the position that safety line is set in above the ink absorbing layer dope layer, high photosphere coating designs below of cooperating of the small-sized pressure roller of the supporting setting of casting-coating machine, the finished product that put in order then, cut, rewinding forms with backsizing.
Good effect of the present invention is owing to taked scientific formula and rational technology in anti-fake safety line is set, in the feasible art paper with common offset paper manufacturing effective anti-fake mark safety safety line to be set and to become a reality.Owing to reduced the cost of basic body paper widely, reserved the selection space of further employing silene silica, make the technical performance of art paper effectively be guaranteed and when improving, also further satisfied the high standard demand of digital color printing and serigraphy.Product of the present invention has that tightness is low, the coating bulky, be more conducive to absorption of inks; Mainly be because product of the present invention is to adopt the casting-coating machine processing technology, the gloss on surface is to be coated with the minute surface cylinder by high photosphere coating through casting to roll and form, rather than extrudes through supercalender; It not only is suitable for digital color output (mainly being to use aqueous ink), also is used in colored hectographic printing (mainly being the oiliness China ink); To using aqueous ink also or after the oiliness China ink fixation good water resistance to be arranged all.
Further specify below in conjunction with embodiment and the objective of the invention is how to realize.
The specific embodiment
Operation 1. in said ink absorbing layer coating can be according to following composition by weight than preparation:
Silica: 20-90 part
China clay: 40-5 part
Precipitated calcium carbonate: 40-5 part
Polyvinyl alcohol 10%:50-170 part
Vinyl acetate-ethylene copolymerization emulsions: 35-80 part
Cationic fixing agent: 15-20 part
Six sulfonic acid: 3-6 part
N-butanol: 2-6 part.
Operation 1. in said ink absorbing layer coating can also be according to following composition by weight than preparation:
Polyvinyl alcohol 10%:50-80 part
Silica: 30 parts
Polyvinylpyrrolidone 10%:20-50 part
Cationic fixing agent: 5-10 part
Six sulfonic acid: 3-5 part.
More than the particle mean size of said silica be 2-9 μ m.
Above operation 2. in said high photosphere coating according to following composition by weight than preparation:
Ludox or aluminium colloidal sol: 100 parts
Polyvinyl alcohol 10% 40-60 part
Benzene emulsion: 2-5 part
Cationic fixing agent: 3-5 part
Prolapse of the anus agent: 1-3 part.
Operation 2. in said high photosphere coating can also be according to following composition by weight than preparation:
Ludox: 30-90 part
Aluminium colloidal sol: 10-70 part
Polyvinyl alcohol 10% 25-40 part
Vinyl acetate-ethylene copolymerization emulsions: 3-7 part
Polyurethane emulsion: 0.5-2 part
Cationic fixing agent: 1-5 part.
The above operation in 3. said and the small-sized pressure roller supporting setting of casting-coating machine can be one; Also can be former and later two, preceding pressure roller be the pressure roller that has fin, and the width of fin is not less than the width of safety line, the geometric position is corresponding with being provided with of safety line, and back pressure roller is the plain cylindrical form pressure roller; Like this can be earlier on the established ink absorbing layer of paper substrate, extrude one shallow slot, and then with safety line exactly in the embedded groove, make that whole to be coated with portion's face more smooth, be beneficial to high-quality printing.
Further improving is 1. and 2. operation to be merged into adopt the once coating on casting-coating machine of high light ink absorbing layer coating, and changes common offset paper into have safety line paper and make body paper, perhaps still adopts common offset paper to make body paper; 3. operation being improved to by small-sized glue spreader makes the safety line of backsizing directly be set in above the original paper layer again, on the chute feeder of supporting high light ink absorbing layer coating, corresponding to the position of presetting safety line and along feed direction setting and the wide putty groove of safety line, realize selectively appliedly under the cooperation of scraper, concrete high light ink absorbing layer coating weight component is such as down:
Silica: 10 parts
Ludox or aluminium colloidal sol: 10 parts
Polyvinyl alcohol 10%:50-170 part
Vinyl acetate-ethylene copolymerization emulsions: 35-70 part
Cationic fixing agent: 2-5 part
Take off the cylinder agent: 1-3 part
Six sulfonic acid: 1-3 part.
Or according to following composition by weight than the high light ink absorbing layer coating of preparation:
Silica: 10 parts
Ludox or aluminium colloidal sol: 10 parts
Polyvinyl alcohol 10% 50-100 part
Polyvinylpyrrolidone 10% 20-30 part
Cationic fixing agent: 2-5 part
Polyurethane emulsion 0.2-1 part
Take off the cylinder agent: 1-3 part
Six sulfonic acid: 1-3 part.
The particle mean size of selected critical materials silica is 2-9 μ m in the ink absorbing layer coating among evidence the present invention, and the china clay of the usefulness that adopts that is mixed and the particle mean size of precipitated calcium carbonate are 3-6 μ m.Document record granularity is that 4-9 μ m Chinese white silica pore volume is 1.6-1.8ml/g, is tridimensional network; Specific area is that granularity is 3-6 μ m Chinese white china clay or precipitated calcium carbonate nearly 2 times.Have superabsorbent and color reducibility, the absorbency ability, the absorption of oiliness and water color ink is had relative stability.With granularity is that 4-9 μ m Chinese white silica replaces or part replaces china clay, the conventional raw material of these art paper coatings of precipitated calcium carbonate is the key that the present invention achieves success.Experimental results show that this feedstock property is stable, moderate, aboundresources, routine Beijing space flight Saden Co., Ltd, the production of Guangdong Toyo Chemicals Co. Ltd., chemical industry Co., Ltd of Shanghai Daheng, Shanxi Tianyi Nano Materials Technology Co., Ltd. all produce this product.
Another key of the present invention has provided a kind of prescription of high photosphere coating.Wherein selected Ludox or aluminium colloidal sol for use, or the mixed sols of silicon, aluminium colloidal sol.Three kinds of raw material types and composition by weight can exchange use.The effect that produces is basic identical.Can directly on market, choose 2540,4040,2540 modified products that Fujian three silicon materials Co., Ltds of nation produce; The Ludox of Jiangyin summer Hong Kongnization plant produced or aluminium colloidal sol; The sodium ion stabilized silica sol proportioning that DT series aluminum colloidal sol that Sichuan De Tai Industrial Co., Ltd. produces and Guangdong spring tide chemical industry Co., Ltd produce.
All selected cationic polymer in high photosphere coating and the ink absorbing layer coating for use: cationic polymer plays an important role in the absorption of printing ink.It condenses the dyestuff in the printing ink by CATION entrained in this body structure and the interaction between the anionic charge, then they are fixed on the surface of coating color particle, this strong printing ink set effect makes product have high stability that guilt touches and stronger water proofing property.Cationic polymer selected among the present invention is: ethene triamine or trien or tetren.The Temple of Heaven auxiliary reagent factory, Shanghai, the green auxiliary agent in Hangzhou research institute, Beijing papermaking research institute all have above cationic polymer product to sell.
Among the present invention employed adhesive choose have certain WATER RESISTANCE, keeping quality, high film build, the high grade of transparency and the compound composition of raw material of adhesion strength preferably.As: polyvinyl alcohol, vinyl acetate-ethylene copolymerization emulsions, benzene emulsion, PVP, Polyurethane emulsion, can also some aldehydes water repellent agents.The manufacturer of above raw material is Beijing Organic Chemical Plant, Japanese Kuraray company.The implication of polyvinyl alcohol 10%, polyvinylpyrrolidone 10% is the solution of solid content 10 concentration.
Six sulfonic acid, n-butanol, take off the cylinder agent and be the auxiliary material of often selecting for use in the art paper coating processing, effect such as be used for brightening, submissive, antiseized respectively, main manufacturer have Shanghai brave Xiang industry and trade Co., Ltd, Foshan Nanhai District Luo Cun reed Tang Jun can papermaking material factory, Wujin, Changzhou fortune ripple Co., Ltd.
Provide below that A represents silica in the specific embodiment table, B represents china clay, and C represents precipitated calcium carbonate, D represents polyvinyl alcohol 10%, and E represents vinyl acetate-ethylene copolymerization emulsions, and F represents cationic fixing agent, G represents six sulfonic acid, H represents n-butanol, and I represents Ludox, and J represents aluminium colloidal sol, K represents the Polyurethane emulsion, the cylinder agent is taken off in the L representative, and M represents benzene emulsion, and N represents polyvinylpyrrolidone 10%.
Partly substitute the ink absorbing layer formulation for coating material embodiment (composition by weight ratio) of china clay, precipitated calcium carbonate with silica:
Embodiment A B C D E F G H
1 20 40 40 50 35 15 6 5
2 50 25 25 100 55 16 5 4
3 70 15 15 150 70 18 4 3
4 90 5 5 170 80 20 3 2
Ink absorbing layer formulation for coating material embodiment (composition by weight ratio) with silica replacing whole china clay, precipitated calcium carbonate:
Embodiment A D N F G
5 30 50 50 5 3
6 30 60 40 7 3.5
7 30 70 30 8 4
8 30 80 20 10 5
High photosphere formulation for coating material I embodiment (composition by weight ratio):
Example I J D E K L F
9 30 70 25 7 0.5 3 1
10 50 50 30 5 1.2 2.5 2
11 70 30 35 4 1.6 2 3.5
12 90 10 40 3 2 1 5
High photosphere formulation for coating material II embodiment (composition by weight ratio):
Example I or J D M L F
13 100 40 5 1 3
14 100 45 4 1.5 3.5
15 100 55 3 2.5 4.5
16 100 60 2 3 5
Used high light ink absorbing layer formulation for coating material I embodiment when adopting a coating process (composition by weight than):
Embodiment A I or J D E F L G
17 10 10 50 5 2 3 1
18 10 10 65 3.5 3 2.5 1.5
19 10 10 80 2.5 4 1.5 2.5
20 10 10 100 1 5 1 3
Used high light ink absorbing layer formulation for coating material II embodiment when adopting a coating process (composition by weight than):
Embodiment A I or J D N F K L G
21 10 10 50 30 2 0.2 3 1
22 10 10 65 26 3 0.5 2.5 2
23 10 10 80 23 4 0.8 1.5 2.5
24 10 10 100 20 5 1 1 3
Adopt technology provided by the present invention can produce a kind of high-definition copperplate paper of superior performance, it has accommodation and more gay colours reducing power widely, and has the ratio of performance to price of appropriateness.It comprises the product that is processed into twice coating process also comprise use above-mentioned operation 2. and 4. institute's coatings formulated adopt directly to be mixed and become high light ink absorbing layer coating, again according to the 5. employed equipment of operation with high light ink absorbing layer coating with 5-14 gram/m
2Above once evenly the selected original paper layer of coating was coated with, the composition by weight ratio of high light ink absorbing layer coating was:
Silica: 10 parts
Ludox or aluminium colloidal sol: 10 parts
Polyvinyl alcohol 10% 50-100 part
Polyvinylpyrrolidone 10% 20-30 part
Cationic fixing agent: 2-5 part
Polyurethane emulsion 0.2-1 part
Take off the cylinder agent: 1-3 part
Six sulfonic acid: 1-3 part.
The composition by weight of making the used high light ink absorbing layer coating of this high-definition copperplate paper than or:
Silica: 10 parts
Ludox or aluminium colloidal sol: 10 parts
Polyvinyl alcohol 10%:50-170 part
Vinyl acetate-ethylene copolymerization emulsions: 35-70 part
Cationic fixing agent: 2-5 part
Take off the cylinder agent: 1-3 part
Six sulfonic acid: 1-3 part.
The portion that the is coated with reference quantity of ink absorbing layer coating is 14-20 gram/m when adopting the secondary coating process
2The portion that the is coated with reference quantity of high photosphere coating is 5-8 gram/m
2The portion that the is coated with reference quantity of high light ink absorbing layer coating is 5-14 gram/m when adopting a coating process
2
Claims (3)
1. the high-definition copperplate paper manufacture craft that has safety line, this art paper is the high solids coatings that coating is mixed by Chinese white and adhesive on body paper, rewinding becomes reel to form on reel machine after carrying out dried, it is characterized in that this manufacture craft takes following operation to realize:
1. choose common offset paper as body paper, with the high solids coatings that Chinese white and adhesive are mixed and form, be specially ink absorbing layer coating and be coated with by coating machine,
2. by means of casting-coating machine with the high solids coatings that Ludox or aluminium colloidal sol and adhesive are mixed and form, be specially high photosphere coating and be uniformly coated on through above the ink absorbing layer coating after the dried,
3. with operation that 2. step carries out synchronously also comprise by means of with the position that safety line is set in above the ink absorbing layer dope layer, high photosphere coating designs below of cooperating of the small-sized pressure roller of the supporting setting of casting-coating machine with backsizing,
4. will behind drying and dehydrating, finish to press through the paper of secondary coating by means of the minute surface cylinder of casting-coating machine and grind glazing,
5. put in order after, cut, the rewinding finished product,
Operation 1. in said ink absorbing layer coating according to following composition by weight than preparation:
Silica: 20-90 part
China clay: 40-5 part
Precipitated calcium carbonate: 40-5 part
The poly-vinyl alcohol solution of solid content 10% concentration: 50-170 part
Vinyl acetate-ethylene copolymerization emulsions: 35-80 part
Cationic fixing agent: 15-20 part
Six sulfonic acid: 3-6 part
N-butanol: 2-6 part
Operation 2. in said high photosphere coating according to following composition by weight than preparation:
Ludox or aluminium colloidal sol: 100 parts
The poly-vinyl alcohol solution of solid content 10% concentration: 40-60 part
Benzene emulsion: 2-5 part
Cationic fixing agent: 3-5 part
Take off the cylinder agent: 1-3 part
The particle mean size of above-described silica is 2-9 μ m, and above-described cationic fixing agent is trien or tetren.
2. according to the said high-definition copperplate paper manufacture craft that has safety line of claim 1, it is characterized in that said small-sized pressure roller with the supporting setting of casting-coating machine was former and later two during operation 3., preceding pressure roller is the pressure roller that has fin, it is corresponding with being provided with of safety line that the width of fin is not less than width, the geometric position of safety line, and back roller is the plain cylindrical form pressure roller.
3. high-definition copperplate paper that has safety line, this art paper is evenly to be coated with the high solids coatings that is mixed by Chinese white and adhesive at the single or double of body paper, rewinding becomes reel to form on reel machine after carrying out dried, it is characterized in that this art paper has adopted the said processing step of claim 1 to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100615735A CN101260632B (en) | 2007-03-09 | 2007-03-09 | High definition enamelled paper possessing safety line and its making process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100615735A CN101260632B (en) | 2007-03-09 | 2007-03-09 | High definition enamelled paper possessing safety line and its making process |
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| Publication Number | Publication Date |
|---|---|
| CN101260632A CN101260632A (en) | 2008-09-10 |
| CN101260632B true CN101260632B (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100615735A Expired - Fee Related CN101260632B (en) | 2007-03-09 | 2007-03-09 | High definition enamelled paper possessing safety line and its making process |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112111991A (en) * | 2019-06-19 | 2020-12-22 | 北京印刷学院 | Ink-jet digital printing paper with gradient functional coating structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2299036A (en) * | 1995-03-22 | 1996-09-25 | Coated Papers Limited | Coated Paper |
| US5944927A (en) * | 1997-05-29 | 1999-08-31 | The Standard Register Company | Security paper having an embedded security thread and a process for making the security paper |
| CN1587517A (en) * | 2004-08-16 | 2005-03-02 | 珠海经济特区红塔仁恒纸业有限公司 | Anti-fake coated white card and its producing process |
| CN2832889Y (en) * | 2004-12-27 | 2006-11-01 | 广东江南纸业有限公司 | Anti-fake single-face coated paper |
| CN1858349A (en) * | 2005-05-08 | 2006-11-08 | 李洪信 | Anti-fake coating paper board and its producing method |
-
2007
- 2007-03-09 CN CN2007100615735A patent/CN101260632B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2299036A (en) * | 1995-03-22 | 1996-09-25 | Coated Papers Limited | Coated Paper |
| US5944927A (en) * | 1997-05-29 | 1999-08-31 | The Standard Register Company | Security paper having an embedded security thread and a process for making the security paper |
| CN1587517A (en) * | 2004-08-16 | 2005-03-02 | 珠海经济特区红塔仁恒纸业有限公司 | Anti-fake coated white card and its producing process |
| CN2832889Y (en) * | 2004-12-27 | 2006-11-01 | 广东江南纸业有限公司 | Anti-fake single-face coated paper |
| CN1858349A (en) * | 2005-05-08 | 2006-11-08 | 李洪信 | Anti-fake coating paper board and its producing method |
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