CN102501673B - Method for preparing nano composite absorption material for print - Google Patents
Method for preparing nano composite absorption material for print Download PDFInfo
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- CN102501673B CN102501673B CN 201110350382 CN201110350382A CN102501673B CN 102501673 B CN102501673 B CN 102501673B CN 201110350382 CN201110350382 CN 201110350382 CN 201110350382 A CN201110350382 A CN 201110350382A CN 102501673 B CN102501673 B CN 102501673B
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Abstract
The invention discloses a method for preparing a nano composite absorption material for print, and relates to a method for preparing an ink absorption material for print. The invention aims to solve the technical problem that an ink absorption layer formed by the conventional ink absorption material has poor ink absorption and easily makes ink infiltrate. The method comprises the following steps of: 1, preparing an adhesive by using polyvinyl alcohol and water; 2, adding a silane coupling agent into an acid solution to prepare dispersion; 3, adding nano titanium dioxide powder, nano silicon dioxide powder and graphene powder into the dispersion, and stirring to obtain pigment emulsion; 4, adding the pigment emulsion into the adhesive, and stirring to obtain a coating; and 5, coating the coating on the surface of a base material, standing, and drying to obtain the nano composite absorption material for print. The ink absorption layer formed by the nano composite absorption material for print has uniformly distributed particles without agglomeration, quickly absorbs the ink without infiltration, can be used for photo and light box manufacture and spray painting of advertisements, and can be applied to the fields of digital ink-jet material recording and color painting.
Description
Technical field
The present invention relates to a kind of printing blotting preparation methods.
Background technology
The blotting material is material or the pigment that has absorbency with substrate surface coating one deck at inkjet printing, forms on the surface of base material to have the good ink-absorbed coated layer of accepting ink.Form suitable ink absorbing layer prescription by selecting materials such as pigment, adhesive and auxiliary agent.Existing blotting material is to prepare ink absorbing layer with pigment and adhesive, wherein pigment is calcium carbonate, kaolin, titanium dioxide, aluminium oxide or silica, adhesive is the water-soluble polymer of polyvinylpyrrolidone, polyacrylic acid, polyacrylamide, methylcellulose, cellulose derivative, gelatin, vinylacetate or polyvinyl alcohol, it is poor that but existing blotting material ink absorbing layer absorbs ink performance, blotting speed is slower, easily dizzy black, thereby cause the image third dimension printed bad, pigment disperses heterogeneity.
Summary of the invention
The present invention will solve existing blotting material ink absorbing layer to absorb poor, the easy dizzy black technical problem of ink performance, prints with nano combined blotting preparation methods and provide.
Printing of the present invention is carried out according to the following steps with nano combined blotting preparation methods:
One, be 1: 5～20 polyvinyl alcohol to be added to the water by the mass ratio of polyvinyl alcohol and water, stir 20min～40min, be heated to 70 ℃～80 ℃ and keep 1h～1.5h with water-bath then, be cooled to room temperature after, obtain adhesive;
Two, to add acid to the pH value of acid solution be 4～6 to Xiang Shuizhong, is 100: 0.01～2 silane coupler to be added in the acid solution by the mass ratio of acid solution and silane coupler then, stirs, and obtains dispersion liquid;
Three, take by weighing 1～5 part of nanometer titanium dioxide titanium valve by ratio of quality and the number of copies, 5～20 parts of nano-silica powders and 0.01～0.1 part of Graphene powder also join in the dispersion liquid that step 2 obtains, stir, obtain the pigment emulsion, wherein the particle diameter of nanometer titanium dioxide titanium valve is 10nm～25nm, the titanium dioxide powder mass content is greater than 99%, the particle diameter of nano-silica powder is 10nm～25nm, the silicon dioxide powder mass content is greater than 99.8%, wherein the nanometer titanium dioxide titanium valve, the quality sum of nano-silica powder and Graphene powder is 15～25: 100 with the ratio of the quality of dispersion liquid;
Four, be that 1: 1～5 pigment emulsions that step 3 is obtained join in the adhesive that step 1 obtains by the volume ratio of pigment emulsion and adhesive, stir, obtain coating;
Five, the coating that step 4 is obtained is coated poly terephthalic acid dimethyl ester substrate surface with coating machine, leave standstill 3min～5min after, put into 60 ℃～90 ℃ dry 5min～10min of baking oven again, obtain printing with nano combined blotting material.
The present invention is earlier with polyvinyl alcohol be added to the water abundant swelling, dissolving back preparation adhesive; The nanoscale raw material is dispersed in the acid solution, and then join and be prepared into coating in the adhesive, avoided the reunion of raw material, obtained the finely dispersed blotting material with nanometer micropore structure of particle, it is big that its specific area becomes, contact angle diminish (0 °～90 °), more be conducive to the infiltration of ink, infiltration absorbs, thereby ink absorption strengthens.The adding of Graphene has improved the mechanical property of ink-absorbed coated layer.
Printing of the present invention is even with nano combined blotting material ink absorbing layer distribution of particles, no agglomeration, and during printing, ink can be absorbed fast, and not dizzy black phenomenon takes place.Printing back finished product is bright in luster, clear picture, true to nature and smooth surface, and water-resistance is good.Can carry out two-sided or the single face printing, can be used for photo and make, lamp box is made, and advertisement description air brushing etc. are applied to digital ink-jet stores record and color painting field.
Description of drawings
Fig. 1 is that the printing of preparation in the test one is with the stereoscan photograph of nano combined blotting material; Fig. 2 is the stereoscan photograph of the blotting material of contrast experiment's preparation in the test one; Fig. 3 be the test one in the preparation printing with nano combined blotting material printing effect figure; Fig. 4 be contrast experiment preparation in the test one the blotting material printing effect figure.
The specific embodiment
The specific embodiment one: the printing of present embodiment is carried out according to the following steps with nano combined blotting preparation methods:
One, be 1: 5～20 polyvinyl alcohol to be added to the water by the mass ratio of polyvinyl alcohol and water, stir 20min～40min, be heated to 70 ℃～80 ℃ and keep 1h～1.5h with water-bath then, be cooled to room temperature after, obtain adhesive;
Two, to add acid to the pH value of acid solution be 4～6 to Xiang Shuizhong, is 100: 0.01～2 silane coupler to be added in the acid solution by the mass ratio of acid solution and silane coupler then, stirs, and obtains dispersion liquid;
Three, take by weighing 1～5 part of nanometer titanium dioxide titanium valve by ratio of quality and the number of copies, 5～20 parts of nano-silica powders and 0.01～0.1 part of Graphene powder also join in the dispersion liquid that step 2 obtains, stir, obtain the pigment emulsion, wherein the particle diameter of nanometer titanium dioxide titanium valve is 10nm～25nm, the titanium dioxide powder mass content is greater than 99%, the particle diameter of nano-silica powder is 10nm～25nm, the silicon dioxide powder mass content is greater than 99.8%, wherein the nanometer titanium dioxide titanium valve, the quality sum of nano-silica powder and Graphene powder is 15～25: 100 with the ratio of the quality of dispersion liquid;
Four, be that 1: 1～5 pigment emulsions that step 3 is obtained join in the adhesive that step 1 obtains by the volume ratio of pigment emulsion and adhesive, stir, obtain coating;
Five, the coating that step 4 is obtained is coated poly terephthalic acid dimethyl ester substrate surface with coating machine, leave standstill 3min～5min after, put into 60 ℃～90 ℃ dry 5min～10min of baking oven again, obtain printing with nano combined blotting material.
The printing of present embodiment is even with nano combined blotting material ink absorbing layer distribution of particles, no agglomeration, and during printing, ink can be absorbed fast, and not dizzy black phenomenon takes place.Printing back finished product is bright in luster, clear picture, true to nature and smooth surface, and water-resistance is good.
The specific embodiment two: present embodiment and the specific embodiment one are different is to be 1: 8～18 polyvinyl alcohol to be added to the water by the mass ratio of polyvinyl alcohol and water in the step 1, stir 25min～35min, be heated to 73 ℃～78 ℃ and keep 11h～1.4h with water-bath then, after being cooled to room temperature, obtain adhesive.Other are identical with the specific embodiment one.
The specific embodiment three: what present embodiment was different with the specific embodiment one or two is that acid is hydrochloric acid, phosphoric acid acid or boric acid in the step 2.Other are identical with the specific embodiment one or two.
The specific embodiment four: present embodiment is different with one of specific embodiment one to three is that the pH value of acid solution in the step 2 is 4.5～5.5.Other are identical with one of specific embodiment one to three.
The specific embodiment five: present embodiment is different with one of specific embodiment one to four is to take by weighing 2～4 parts of nanometer titanium dioxide titanium valves, 8～15 parts of nano-silica powders and 0.02～0.08 part of Graphene powder by ratio of quality and the number of copies in the step 3 and join in the dispersion liquid that step 2 obtains, stir, obtain the pigment emulsion.Other are identical with one of specific embodiment one to four.
The specific embodiment six: present embodiment is different with one of specific embodiment one to five is that the ratio of quality sum and the quality of dispersion liquid of nanometer titanium dioxide titanium valve in the step 3, nano-silica powder and Graphene powder is 18～23: 100.Other are identical with one of specific embodiment one to five.
The specific embodiment seven: present embodiment is different with one of specific embodiment one to six is that the volume ratio of pigment emulsion and adhesive is 1: 2～4 in the step 4.Other are identical with one of specific embodiment one to six.
The specific embodiment eight: present embodiment is different with one of specific embodiment one to six is that baking temperature is that 65 ℃～85 ℃, drying time are 6min～9min in the step 5.Other are identical with one of specific embodiment one to six.
Verify beneficial effect of the present invention below adopting:
Test one: the printing of this test is carried out according to the following steps with nano combined blotting preparation methods:
One, be polyvinyl alcohol to be added to the water in 1: 10 by the mass ratio of polyvinyl alcohol and water, stir 30min, be heated to 75 ℃ and keep 1h with water-bath then, be cooled to room temperature after, obtain adhesive;
Two, Xiang Shuizhong adds hydrochloric acid to the pH value of acid solution and is adjusted to 5, is silane coupler to be joined in the acid solution in 100: 1 by the mass ratio of acid solution and adding silane coupler then, stirs, and obtains dispersion liquid;
Three, take by weighing 1 part of nanometer titanium dioxide titanium valve, 8 parts of nano-silica powders and 0.01 part of Graphene powder by ratio of quality and the number of copies and join in the dispersion liquid that step 2 obtains, stir, obtain the pigment emulsion, wherein the particle diameter of nanometer titanium dioxide titanium valve is 10nm～25nm, the titanium dioxide powder mass content is 99%, the particle diameter of nano-silica powder is 10nm～25nm, the silicon dioxide powder mass content is 99.8%, and the quality of nanometer titanium dioxide titanium valve, nano-silica powder and Graphene powder and with the ratio of the quality of dispersion liquid be 20: 100;
Four, be that the pigment emulsion that step 3 obtained in 1: 1 joins in the adhesive that step 1 obtains by the volume ratio of pigment emulsion and adhesive, stir, obtain coating;
Five, the coating that step 4 is obtained is coated poly terephthalic acid dimethyl ester substrate surface with coating machine, leave standstill 3min after, put into 80 ℃ of dry 5min of baking oven again, obtain printing with nano combined blotting material.
Adopt existing method to prepare the blotting material as contrast test simultaneously, concrete steps are as follows:
One, be polyvinyl alcohol to be added to the water in 1: 10 by the mass ratio of polyvinyl alcohol and water, stir 30min, be heated to 75 ℃ and keep 1h with water-bath then, be cooled to room temperature after, obtain adhesive;
Two, take by weighing 1 part of nanometer titanium dioxide titanium valve by ratio of quality and the number of copies and 8 parts of nano-silica powders join adhesive, add while stirring, stir, obtain coating, wherein the particle diameter of nanometer titanium dioxide titanium valve is 10nm～25nm, and the titanium dioxide powder mass content is 99%, and the particle diameter of nano-silica powder is 10nm～25nm, the silicon dioxide powder mass content is 99.8%, the quality of nanometer titanium dioxide titanium valve and nano-silica powder and with the ratio of the quality of adhesive be 20: 100;
Three, the coating that step 2 is obtained is coated poly terephthalic acid dimethyl ester substrate surface with coating machine, leave standstill 3min after, put into 80 ℃ of dry 5min of baking oven again, obtain the blotting material.
The printing that this test one obtains with the stereoscan photograph of nano combined blotting material as shown in Figure 1, and the stereoscan photograph of the blotting material that the contrast experiment obtains in this test one as shown in Figure 2, comparison diagram 1 and Fig. 2 are as can be known, the printing that this test one obtains is even with the ink absorbing layer distribution of particles of nano combined blotting material, and the ink absorbing layer distribution of particles of the blotting material that the contrast experiment obtains is inhomogeneous, the surface of evenly corresponding its material of distribution of particles is just Paint Gloss, can judge that intuitively its surperficial roughness can be smaller, distribution of particles evenly and the space arranged, specific area increases, and is conducive to the absorption of ink.
Testing printing that this test one obtains with the AFM method is 3.900nm with the roughness of nano combined blotting material, and the blotting material that the contrast experiment obtains in this test one roughness be 8.3841nm.
The printing that this test one is obtained prints test with the blotting material that nano combined blotting material and contrast experiment obtain, the design sketch that the printing that this test one obtains obtains with nano combined blotting material as shown in Figure 3, the blotting material design sketch that the contrast experiment obtains as shown in Figure 4, comparison diagram 3 and Fig. 4 are as can be known, the printing that this test one obtains is short with the blotting time of nano combined blotting material, there is not dizzy China ink, the image definition height that obtains.
Test two: the printing of this test is carried out according to the following steps with nano combined blotting preparation methods:
One, be polyvinyl alcohol to be added to the water in 1: 10 by the mass ratio of polyvinyl alcohol and water, stir 30min, be heated to 75 ℃ and keep 1h with water-bath then, be cooled to room temperature after, obtain adhesive;
Two, Xiang Shuizhong adds hydrochloric acid to the pH value of acid solution and is adjusted to 5, is silane coupler to be joined in the acid solution in 100: 1 by the mass ratio of acid solution and adding silane coupler then, stirs, and obtains dispersion liquid;
Three, take by weighing 1 part of nanometer titanium dioxide titanium valve, 8 parts of nano-silica powders and 0.05 part of Graphene powder by ratio of quality and the number of copies and join in the dispersion liquid that step 2 obtains, stir, obtain the pigment emulsion, wherein the particle diameter of nanometer titanium dioxide titanium valve is 10nm～25nm, the titanium dioxide powder mass content is 99%, the particle diameter of nano-silica powder is 10nm～25nm, the silicon dioxide powder mass content is 99.8%, and the quality of nanometer titanium dioxide titanium valve, nano-silica powder and Graphene powder and with the ratio of the quality of dispersion liquid be 20: 100;
Four, be that the pigment emulsion that step 3 obtained in 1: 1 joins in the adhesive that step 1 obtains by the volume ratio of pigment emulsion and adhesive, stir, obtain coating;
Five, the coating that step 4 is obtained is coated poly terephthalic acid dimethyl ester substrate surface with coating machine, leave standstill 3min after, put into 80 ℃ of dry 5min of baking oven again, obtain printing with nano combined blotting material.
The printing that this test two obtains is evenly distributed with nano combined blotting material surface particle and the space is arranged, and specific area increases, and is conducive to the absorption of ink.
Testing printing that this test two obtains with the AFM method is 3.977nm with the roughness of nano combined blotting material.
The printing that this test two is obtained prints test with the blotting material that nano combined blotting material and contrast experiment obtain, and the result shows that the printing that this test two obtains is short with the blotting time of nano combined blotting material, does not have dizzy China ink, the image definition height that obtains.
Claims (8)
1. print with nano combined blotting preparation methods, it is characterized in that printing and carry out according to the following steps with nano combined blotting preparation methods:
One, be 1: 5～20 polyvinyl alcohol to be added to the water by the mass ratio of polyvinyl alcohol and water, stir 20min～40min, be heated to 70 ℃～80 ℃ and keep 1h～1.5h with water-bath then, be cooled to room temperature after, obtain adhesive;
Two, to add acid to the pH value of acid solution be 4～6 to Xiang Shuizhong, is 100: 0.01～2 silane coupler to be added in the acid solution by the mass ratio of acid solution and silane coupler then, stirs, and obtains dispersion liquid;
Three, take by weighing 1～5 part of nanometer titanium dioxide titanium valve by ratio of quality and the number of copies, 5～20 parts of nano-silica powders and 0.01～0.1 part of Graphene powder also join in the dispersion liquid that step 2 obtains, stir, obtain the pigment emulsion, wherein the particle diameter of nanometer titanium dioxide titanium valve is 10nm～25nm, nano titanium oxide opaque amount content is greater than 99%, the particle diameter of nano-silica powder is 10nm～25nm, the nano-silica powder mass content is greater than 99.8%, wherein the nanometer titanium dioxide titanium valve, the quality sum of nano-silica powder and Graphene powder is 15～25: 100 with the ratio of the quality of dispersion liquid;
Four, be that 1: 1～5 pigment emulsions that step 3 is obtained join in the adhesive that step 1 obtains by the volume ratio of pigment emulsion and adhesive, stir, obtain coating;
Five, the coating that step 4 is obtained is coated poly terephthalic acid dimethyl ester substrate surface with coating machine, leave standstill 3min～5min after, put into 60 ℃～90 ℃ dry 5min～10min of baking oven again, obtain printing with nano combined blotting material.
2. printing according to claim 1 is with nano combined blotting preparation methods, it is characterized in that in the step 1 that mass ratio by polyvinyl alcohol and water is 1: 8～18 polyvinyl alcohol to be added to the water, stir 25min～35min, be heated to 73 ℃～78 ℃ and keep 11h～1.4h with water-bath then, after being cooled to room temperature, obtain adhesive.
3. printing according to claim 1 and 2 is characterized in that with nano combined blotting preparation methods acid is hydrochloric acid, phosphoric acid or boric acid in the step 2.
4. printing according to claim 1 and 2 is with nano combined blotting preparation methods, and the pH value that it is characterized in that acid solution in the step 2 is 4.5～5.5.
5. printing according to claim 1 and 2 is with nano combined blotting preparation methods, it is characterized in that in the step 3 taking by weighing 2～4 parts of nanometer titanium dioxide titanium valves, 8～15 parts of nano-silica powders and 0.02～0.08 part of Graphene powder by ratio of quality and the number of copies and join in the dispersion liquid that step 2 obtains, stir, obtain the pigment emulsion.
6. printing according to claim 1 and 2 is with nano combined blotting preparation methods, and the quality sum that it is characterized in that nanometer titanium dioxide titanium valve in the step 3, nano-silica powder and Graphene powder is 18～23: 100 with the ratio of the quality of dispersion liquid.
7. printing according to claim 1 and 2 is with nano combined blotting preparation methods, it is characterized in that the volume ratio of pigment emulsion and adhesive is 1: 2～4 in the step 4.
8. printing according to claim 1 and 2 is with nano combined blotting preparation methods, it is characterized in that in the step 5 that baking temperature is that 65 ℃～85 ℃, drying time are 6min～9min.
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| CN102774163B (en) * | 2012-07-19 | 2015-01-28 | 江苏飞航医疗器械科技有限公司 | Manufacturing method of MPET (Metallized Polyethylene Terephthalate) ultrasonic PACS (Picture Archiving and Communication System) medical diagnostic report film |
| CN102795016A (en) * | 2012-09-05 | 2012-11-28 | 哈尔滨工业大学 | Preparation method of ink-absorption layer material |
| CN103897518B (en) * | 2012-12-27 | 2016-06-01 | 青岛佳艺影像新材料技术有限公司 | The preparation method of acid full-face spray light box film coating fluid |
| CN104947501A (en) * | 2015-05-27 | 2015-09-30 | 宁波中华纸业有限公司 | Preparation method of coating, coating and coated paper |
| CN106012590B (en) * | 2016-06-20 | 2018-11-02 | 南京渊远印刷材料有限公司 | A kind of environment protecting blue digit printing ink and preparation method thereof |
| CN105970681B (en) * | 2016-06-20 | 2018-08-17 | 中山市东华印艺有限公司 | A kind of environment-friendly type brown digit printing ink and preparation method thereof |
| CN106671635A (en) * | 2016-06-29 | 2017-05-17 | 安徽文峰特种纸业有限公司 | Preparation method of polyvinyl alcohol coating applied to photographic paper |
| CN109942859A (en) * | 2019-03-01 | 2019-06-28 | 徐炜 | A kind of preparation method of film printing coating |
| CN111411544A (en) * | 2020-03-10 | 2020-07-14 | 宁波亚洲浆纸业有限公司 | Ink-absorbing coating paint and preparation method thereof |
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