Summary of the invention
Technical problem to be solved by this invention provides a kind of inkjet printing cast-coated photographic paper, and it had both adapted to aqueous dye ink prints, and also adapts to aqueous pigment ink and prints, and technology is simple, and production cost is low.
For addressing the above problem, the technical solution used in the present invention is:
A kind of inkjet printing cast-coated photographic paper, coating one deck contains the coating fluid of blotting pigment on support, behind metallic mirror surface casting cylinder heat drying, obtains high glaze cast-coated photographic paper for ink-jet printing, and each component of described coating fluid is counted by weight:
90~100 parts of inorganic pigments;
3~5 parts of polyvinyl alcohol;
5~30 parts of polymer emulsions;
2~5 parts of auxiliary agents;
Described inorganic pigment is the mixture of two kinds of different-grain diameter inorganic pigments, and the particle diameter of small particle diameter pigment is 0.01~0.03 μ m; The particle diameter of big particle diameter pigment is 0.2~5 μ m; Described polymer emulsion is 5: 100~30: 100 with the ratio of inorganic pigment.
Above-mentioned inkjet printing cast-coated photographic paper, the weight ratio of described big particle diameter and small particle diameter inorganic pigment is 1: 1~3.5.
Above-mentioned inkjet printing cast-coated photographic paper, described polymer emulsion is 10: 100~15: 100 with the ratio of inorganic pigment.
Above-mentioned inkjet printing cast-coated photographic paper, described polymer emulsion are phenylethylene-maleic anhydride-acrylate polymer emulsion, phenylethylene-maleic anhydride polymer emulsion, acrylate-maleic anhydride polymer emulsion, styrene-acrylonitrile emulsion or acrylate-propylene cyanogen-styrene emulsion.
In the prior art, some single coating cast-coated photographic papers are owing to will make the high-gloss surface of printing paper equally, are coated with production technology through casting and make the surface texture densification generally just dye ink is had adaptability preferably.Because the excellent weather resistance and hard of paint ink is in dye ink, if casting is coated with printing paper and can adapts to paint ink preferably, can satisfy the conservatory requirement of people's comparison film, also can make cast-coated photographic paper adapt to multiple type of printer and ink, purpose of the present invention is exactly to make printing paper not only have certain gloss but also can adapt to the printing of paint ink and dye ink by a coating.
The cast-coated photographic paper coating that individual layer constitutes has blotting and tint retention, is coated with processing technology through casting and makes its surface produce gloss, satisfies it and not only has high glaze but also adapt to aqueous dye ink and the requirement of the printing of aqueous pigment ink.Cast-coated photographic paper is because use asbestos base paper, and paper substrate itself is handled without plastic spraying, so the gloss of paper substrate own is very low.The coating fluid of high light cast-coated photographic paper of the present invention through being coated with the drying cylinder pressing with high temperature casting, being peeled off after the drying and is produced gloss during moisture state.
Among the present invention, inorganic pigment in the coating is the mixture of two kinds of different-grain diameter inorganic pigments, the mixing of the inorganic pigment of these two kinds of particle diameters is used small particle diameter pigment is filled up in big particle diameter pigment is arranged the gap that constitutes, reduce the extinction of big particle diameter inorganic pigment, help the dry rear surface of coating cylinder pressure and produce gap that is evenly distributed and the glossiness that improves cast-coated photographic paper; And used two kinds of inorganic pigment particle diameter narrow distribution, the hole that still can form certain space while inorganic pigment granules self behind the drying and forming-film is preserved after drying is peeled off, and therefore except that dye ink paint ink is had adaptability preferably.The inorganic pigment that uses in the coating can be silica, aluminium oxide, calcium carbonate, imvite etc., preferred silica or aluminium oxide.
Among the present invention, used the higher polymer emulsion of vitrification point in the coating, the vitrification point of used polymer is generally more than 50 ℃, the application of these polymer emulsions can make coating produce lustrous surface preferably after pasting the cylinder drying, remedies the loss that the product glossiness is caused because of the inorganic pigment that uses the larger particles particle diameter.Being fit to polymer emulsion of the present invention can be phenylethylene-maleic anhydride-acrylate polymer emulsion, phenylethylene-maleic anhydride polymer emulsion, acrylate-maleic anhydride polymer emulsion, styrene-acrylonitrile emulsion or acrylate-propylene cyanogen-styrene emulsion.
Among the present invention, can obtain higher gloss again in order to make the cast-coated photographic paper that obtains can fully absorb ink, its key also is the glue face ratio in the coating, i.e. the ratio of polymer emulsion and inorganic pigment.When the ratio of polymer emulsion and inorganic pigment was high, the surface compact of cast-coated photographic paper, blotting pigment are aggregated the thing parcel tightly made ink absorption descend; The surface gloss when low of polymer emulsion and inorganic pigment descends, and influences the gloss of cast-coated photographic paper.Suitable polymer emulsion of the present invention is 5: 100~30: 100 with the ratio of inorganic pigment, preferred 10: 100~15: 100.
Be fit to auxiliary agent of the present invention and comprise dispersant, defoamer and remover etc.For inorganic pigment is fully disperseed, obtain needed particle diameter, added dispersant in the prescription.Being fit to dispersant of the present invention can be cationic polymer, this base polymer can be a polymer commonly used such as cationic acrylate polymer, acrylamide polymer, maleic acid acrylate copolymer, as polychlorostyrene trimethyl acryloyl ammonium copolymer, polychlorostyrene dimethyldiallylammonium etc.Defoamer can be low carbon chain alcohols such as isopropyl alcohol, n-butanol etc., ester class, silicon or fluorine defoamer or polymer class, as n-butanol, silicone defoaming agent (commercial disignation BYK-022, BYK chemical company) etc.Remover can be QT-1 (sharpening worker Co., Ltd is striven in Shanghai), the remover that adds lustre to (Zhengzhou Zhong Ji Fine Chemical Co., Ltd), Tissuemat E etc., its mainly act on be during the coating coating fluid moisture state after the cylinder pressure drying coated paper be easy to peel off, sticking cylinder, the gloss of assurance coated paper.
The used paper substrate of the present invention is identical with general cast-coated photographic paper, uses the asbestos base paper of no coating layer; Manufacturing process is with conventional double-deck cast-coated photographic paper, peels off after dry and makes high glaze cast-coated photographic paper connecing to press dry through minute surface casting cylinder during the coating moisture state.
High glaze cast-coated photographic paper for ink-jet printing provided by the invention, it had both adapted to aqueous dye ink prints, and also adapts to aqueous pigment ink and prints; Photograph print is bright in luster, and print performance is reliable; Technology is simple, and production cost is low.
The specific embodiment
The present invention adopts known asbestos base paper, as the paper substrate that the present invention produces the high radiograph printing paper of inkjet printing, produces according to traditional cast-coated paper production technology.Adopt ink-jet printing media test evaluation mode commonly used to judge the ink absorption and the image quality of Alhue paper.
Embodiment 1
The coating fluid prescription:
22 parts of silica,
78 parts of cabosil colloidal sols (particle diameter 20nm),
30 parts of polyvinyl alcohol (the PVA-1788 aqueous solution, content 10%),
15 parts of ethene/acetic acid (co-) polymer of ethylene alkene emulsion,
1 part of polychlorostyrene dimethyldiallylammonium cation dispersing agent,
0.8 part of defoamer (n-butanol),
0.2 part of remover (Tissuemat E),
With 22 parts of silica (trade name GASIL 23D, Singapore Ineos silica company, particle diameter 5 μ m), 1 part of polychlorostyrene dimethyldiallylammonium cation dispersing agent, add in 95 parts of deionized waters, disperseed 1 hour with the speed that per minute 3000 changes with the fluted disc dispersion machine, add 78 parts of cabosil colloidal sols then, 30 parts of polyvinyl alcohol (PVA-1788 aqueous solution, content 10%), 15 parts of polyethylene/acetate emulsions, 0.8 part of defoamer (n-butanol), 0.2 part of Tissuemat E remover, add the coating fluid that deionized water is mixed with concentration 20%, adopt the scraper coating method to coat on the asbestos base paper, heated-air drying water evaporates to coating is finalized the design, coating surface is moisture state, water and the minute surface casting cylinder pressing that is heated to 90~100 ℃ of surface temperatures are executed in the surface, peel off after the drying and obtain the inkjet printing cast-coated photographic paper, survey its performance (seeing Table 1).
Embodiment 2
The coating fluid prescription:
40 parts of silica,
60 parts of colloidal alumina colloidal sols (particle diameter 20nm),
50 parts of polyvinyl alcohol (the PVA-1788 aqueous solution, content 10%),
15 parts of polyethylene/vinyl acetate polymer emulsion,
2 parts of polychlorostyrene dimethyldiallylammonium cation dispersing agents,
0.2 part of defoamer (BVK-022),
0.2 part of remover (Tissuemat E),
With 40 parts of silica, 2 parts of polychlorostyrene dimethyldiallylammonium cation dispersing agents, add in 180 parts of deionized waters, disperseed 1 hour with the speed that per minute 3000 changes with the fluted disc dispersion machine, add 60 parts of colloidal alumina colloidal sols then, 50 parts of polyvinyl alcohol (PVA-1788 aqueous solution, content 10%), 15 parts of polyethylene/acetate emulsions, 0.2 part of defoamer, 0.2 part of Tissuemat E remover, add the coating fluid that deionized water is mixed with concentration 20%, adopt the scraper coating method to coat on the asbestos base paper, heated-air drying water evaporates to coating is finalized the design, coating surface is moisture state, water and the minute surface casting cylinder pressing that is heated to 90~100 ℃ of surface temperatures are executed in the surface, peel off after the drying and obtain the inkjet printing cast-coated photographic paper, survey its performance (seeing Table 1).
Embodiment 3
The coating fluid prescription:
45 parts of silica,
45 parts of colloidal alumina colloidal sols (particle diameter 30nm),
40 parts of polyvinyl alcohol (the PVA-1788 aqueous solution, content 10%),
30 parts of styrene-acrylonitrile emulsions,
4 parts of dispersants (polychlorostyrene trimethyl acryloyl ammonium copolymer),
0.8 part of defoamer (tributyl phosphate),
0.2 part of remover (Tissuemat E),
(trade name AEROSIL 200 with 45 parts of silica, Germany wins wound company, particle diameter 0.2 μ m), 4 parts of polychlorostyrene trimethyl acryloyl ammonium copolymer dispersants, add in 200 parts of deionized waters, disperseed 1 hour with the speed that per minute 3000 changes with the fluted disc dispersion machine, add 45 parts of colloidal alumina colloidal sols then, 40 parts of polyvinyl alcohol (PVA-1788 aqueous solution, content 10%), 30 parts of styrene-acrylonitrile emulsions, 0.8 part of tributyl phosphate, 0.2 part of Tissuemat E remover, add the coating fluid that deionized water is mixed with concentration 20%, adopt the scraper coating method to coat on the asbestos base paper, heated-air drying water evaporates to coating is finalized the design, coating surface is moisture state, water and the minute surface casting cylinder pressing that is heated to 90~100 ℃ of surface temperatures are executed in the surface, peel off after the drying and obtain the inkjet printing cast-coated photographic paper, survey its performance (seeing Table 1).
Embodiment 4
The coating fluid prescription:
30 parts of silica,
70 parts of colloidal alumina colloidal sols (particle diameter 30nm),
30 parts of polyvinyl alcohol (the PVA-1788 aqueous solution, content 10%),
20 parts of styrene-acrylonitrile emulsions,
3 parts of dispersants (polychlorostyrene trimethyl acryloyl ammonium copolymer),
0.8 part of defoamer (tributyl phosphate),
0.2 part of remover (QT-1),
(trade name AEROSIL 200 with 30 parts of silica, Germany wins wound company, particle diameter 0.2 μ m), 3 parts of polychlorostyrene trimethyl acryloyl ammonium copolymer dispersants, add in 135 parts of deionized waters, disperseed 1 hour with the speed that per minute 3000 changes with the fluted disc dispersion machine, add 70 parts of colloidal alumina colloidal sols then, 30 parts of polyvinyl alcohol (PVA-1788 aqueous solution, content 10%), 20 parts of styrene-acrylonitrile emulsions, 0.8 part of tributyl phosphate, 0.2 part of remover (QT-1), add the coating fluid that deionized water is mixed with concentration 20%, adopt the scraper coating method to coat on the asbestos base paper, heated-air drying water evaporates to coating is finalized the design, coating surface is moisture state, water and the minute surface casting cylinder pressing that is heated to 90~100 ℃ of surface temperatures are executed in the surface, peel off after the drying and obtain the inkjet printing cast-coated photographic paper, survey its performance (seeing Table 1).
Embodiment 5
The coating fluid prescription:
35 parts of silica,
65 parts of colloidal alumina colloidal sols (particle diameter 30nm),
30 parts of polyvinyl alcohol (the PVA-1788 aqueous solution, content 10%),
10 parts of phenylethylene-maleic anhydride-acrylate polymer emulsions,
3 parts of dispersants (polychlorostyrene trimethyl acryloyl ammonium copolymer),
0.8 part of defoamer (tributyl phosphate),
0.2 part of remover (QT-1),
With 35 parts of silica (trade name SD-520, Beijing space flight Saden powder body material Co., Ltd, particle diameter 4 μ m), 3 parts of polychlorostyrene trimethyl acryloyl ammonium copolymer dispersants, add in 125 parts of deionized waters, disperseed 1 hour with the speed that per minute 3000 changes with the fluted disc dispersion machine, add 65 parts of colloidal alumina colloidal sols then, 30 parts of polyvinyl alcohol (PVA-1788 aqueous solution, content 10%), 10 parts of phenylethylene-maleic anhydride-acrylate polymer emulsions, 0.8 part of tributyl phosphate, 0.2 part of remover (QT-1), add the coating fluid that deionized water is mixed with concentration 20%, adopt the scraper coating method to coat on the asbestos base paper, heated-air drying water evaporates to coating is finalized the design, coating surface is moisture state, water and the minute surface casting cylinder pressing that is heated to 90~100 ℃ of surface temperatures are executed in the surface, peel off after the drying and obtain the inkjet printing cast-coated photographic paper, survey its performance (seeing Table 1).
Embodiment 6
The coating fluid prescription:
35 parts of silica,
65 parts of cabosil colloidal sols (particle diameter 10nm),
20 parts of polyvinyl alcohol (the PVA-1788 aqueous solution, content 10%),
10 parts of phenylethylene-maleic anhydride-acrylate polymer emulsions,
2 parts of dispersants (polychlorostyrene trimethyl acryloyl ammonium copolymer),
0.8 part of defoamer (tributyl phosphate),
0.2 part of remover (QT-1),
With 35 parts of silica (trade name SD-520, Beijing space flight Saden powder body material Co., Ltd, particle diameter 4 μ m), 2 parts of polychlorostyrene trimethyl acryloyl ammonium copolymer dispersants, add in 125 parts of deionized waters, disperseed 1 hour with the speed that per minute 3000 changes with the fluted disc dispersion machine, add 65 parts of cabosil colloidal sols then, 20 parts of polyvinyl alcohol (PVA-1788 aqueous solution, content 10%), 10 parts of phenylethylene-maleic anhydride-acrylate polymer emulsions, 0.8 part of tributyl phosphate, 0.2 part of remover (QT-1), add the coating fluid that deionized water is mixed with concentration 20%, adopt the scraper coating method to coat on the asbestos base paper, heated-air drying water evaporates to coating is finalized the design, coating surface is moisture state, water and the minute surface casting cylinder pressing that is heated to 90~100 ℃ of surface temperatures are executed in the surface, peel off after the drying and obtain the inkjet printing cast-coated photographic paper, survey its performance (seeing Table 1).
Comparative example 1
The coating fluid prescription:
100 parts of cabosil colloidal sols (particle diameter 20nm),
30 parts of polyvinyl alcohol (the PVA-1788 aqueous solution, content 10%),
10 parts of polyethylene/acetic acid (co-) polymer of ethylene alkene emulsion,
1 part of polychlorostyrene dimethyldiallylammonium cation dispersing agent,
0.8 part of defoamer (tributyl phosphate),
0.2 part of remover (Tissuemat E),
With 100 parts of cabosil colloidal sols (particle diameter 20nm), 1 part of polychlorostyrene dimethyldiallylammonium cation dispersing agent, 30 parts of polyvinyl alcohol (PVA-1788 aqueous solution, content 10%), 10 parts of polyethylene/vinyl acetates, 0.8 part of tributyl phosphate defoamer, 0.2 part of Tissuemat E remover, add the coating fluid that deionized water is mixed with concentration 20%, adopt the scraper coating method to coat on the asbestos base paper, heated-air drying water evaporates to coating is finalized the design, coating surface is moisture state, water and the minute surface casting cylinder pressing that is heated to 90~100 ℃ of surface temperatures are executed in the surface, peel off after the drying and obtain the inkjet printing cast-coated photographic paper, survey its performance (seeing Table 1).
Comparative example 2
The coating fluid prescription:
40 parts of silica,
60 parts of colloidal alumina colloidal sols (particle diameter 20nm),
50 parts of polyvinyl alcohol (the PVA-1788 aqueous solution, content 10%),
15 parts of polyethylene/vinyl acetate polymer emulsion,
4 parts of polychlorostyrene dimethyldiallylammonium cation dispersing agents,
1 part of defoamer (n-butanol),
0.2 part of remover (Tissuemat E),
With 40 parts of silica (trade name SD-640, Beijing space flight Saden powder body material Co., Ltd, particle diameter 8 μ m), 4 parts of polychlorostyrene dimethyldiallylammonium cation dispersing agents, add in 180 parts of deionized waters, disperseed 1 hour with the speed that per minute 3000 changes with the fluted disc dispersion machine, add 60 parts of colloidal alumina colloidal sols then, 50 parts of polyvinyl alcohol (PVA-1788 aqueous solution, content 10%), 15 parts of polyethylene/acetate emulsions, 1 part of n-butanol, 0.2 part of Tissuemat E remover, add the coating fluid that deionized water is mixed with concentration 20%, adopt the scraper coating method to coat on the asbestos base paper, heated-air drying water evaporates to coating is finalized the design, coating surface is moisture state, water and the minute surface casting cylinder pressing that is heated to 90~100 ℃ of surface temperatures are executed in the surface, peel off after the drying and obtain the inkjet printing cast-coated photographic paper, survey its performance (seeing Table 1).
By the data in the table 1 as can be seen, gained cast-coated photographic paper of the present invention shows good glossiness, water proofing property, printing drying property, use the aqueous pigment China ink to print, the color density height has the good characteristic that anti-China ink is piled up and China ink is spread and sunk in and oozed, and can obtain high-quality photographic quality printing effect.
The test result of table 1: embodiment and comparative example
Evaluation method:
Glossiness:
The resulting casting of the embodiment of the invention is coated with high radiograph paper, is the vancometer of PG-160 with model, the surface gloss when the measurement incidence angle is 60 °.
Print drying time:
With Epson STYLUS PRO 7800 printers, on this cast-coated photographic paper, print yellow (Y), product (M), blue or green (C), black (K) four Color Pattern (below unless otherwise specified, all use identical therewith printing type), press pattern through behind the certain hour with light finger, by range estimation, serve as to print drying time with the time of pointing no ink marks.
1: drying time was smaller or equal to 5 seconds; 2: drying time is greater than 5 seconds, less than 15 seconds; 3: drying time was greater than 15 seconds;
China ink is piled up:
If it is slow to print coating absorption ink speed, the ink droplet that arrives coating surface can not well laterally be sprawled again, adjacent little ink droplet will occur and assemble, and color spot appears in image, and this China ink that now is called is piled up.
1: do not have and pile up; 2.: the slight accumulation; 3: pile up.
Spread and sink in and ooze
During printing, the ink droplet that arrives coating surface moves along coating surface before drying, and the ink droplet of different colours mixes mutually, causes image blurringly, and this phenomenon is called China ink and spreads and sinks in and ooze.
1. not having spreads and sinks in oozes; 2. slightly spread and sink in and ooze; 3. spread and sink in and ooze.
Color density:
The Huang of above-mentioned printing (Y), product (M), blue or green (C), black (K) four Color Pattern are with the monochromatic reflection density of X-Rite 310 densimeter measurements.
Water proofing property:
Above-mentioned printing pattern, in water, soaked 10 minutes under the room temperature, take out to dab and wipe away the range estimation surface appearance with have gentle hands.
1. the surface does not have the dirt of change; 2. the surface is slight becomes dirty; 3. the surface becomes dirty.