CN103897540A - Formula of high brightness performance coating capable of absorbing ECO-solvent ink - Google Patents
Formula of high brightness performance coating capable of absorbing ECO-solvent ink Download PDFInfo
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- CN103897540A CN103897540A CN201210577257.4A CN201210577257A CN103897540A CN 103897540 A CN103897540 A CN 103897540A CN 201210577257 A CN201210577257 A CN 201210577257A CN 103897540 A CN103897540 A CN 103897540A
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- coating
- weak solvent
- crosslinking acrylic
- ester emulsion
- china ink
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Abstract
The invention discloses a formula of a high brightness performance coating capable of absorbing ECO-solvent ink. The coating comprises the following components by weight: 30-70% of a self-crosslinking acrylate latex, 1-5% of an association-type thickening agent, 1-5% of a surfactant and the balance of water. The invention adopts the self-crosslinking properties of the coating to solve the problem that the low vitrification point of the resin used in the prior art causes adhesion and difficulty in winding of inkjet media, or high glass state temperature causes difficult film forming of coating and poor coating performance, and that the caoting is incapable of absorbing the ECO-solvent ink.
Description
Technical field
The present invention relates to a kind of coating formula of ink jet recording medium, be specifically related to the coating formula of apparent the absorbed Weak solvent China ink of a kind of high light.
Background technology
Ink for ink-jet print can roughly be divided into water-based, solvent and UV solidified ink by its main component.Solvent-based inks is mainly used in the exterior material such as lamp house cloth, PVC, and image quality is low but water-proof climate resisting good.Due to many containing ester class and ketones solvent in solvent-based inks organic solvent, pollution and toxic are large, and application can be subject to many limitations in the long run.Water-base ink precision is higher, environmental friendliness, but it is dry slow, and medium ink absorbing layer is required to harshness, and after printing, picture needs overlay film processing again, otherwise water-repellancy and weathering resistance are very poor.
For the advantage in conjunction with both, the each printer manufacturer Weak solvent China ink spray drawing machine that released one after another.Weak solvent ink adopts solvent harmless or that harm is less as lower alcohol, poly(lactic acid) etc., has the advantage of solvent inkjet ink and aqueous ink concurrently.The English name ECO-solvent ink of Weak solvent ink, ECO wherein can be considered it is environmental protection (Environmentally safe), abbreviation without coating ground (unCoated media) and outdoor weather resisteant (Outdoor durable), because Weak solvent printing has advantages of environmental protection, high precision and outdoor weather resisteant, replace very soon in the international market part wide cut aqueous ink wide format printer, in developed country markets such as America and Europes, more than 50 inches water-based machine market is almost substituted especially.
Do not adopt the strong kind solvents of ketone ester such as pimelinketone, butanone, vinyl acetic monomer due to Weak solvent China ink, not strong to the corrosion strength on output medium surface, need to can absorb in media substrate surface coated the coating (hereinafter to be referred as Weak solvent coating) of Weak solvent China ink.The resin that forms Weak solvent coating is generally selected vinegar the third polymkeric substance, pure the third polymkeric substance, ethylene-vinyl acetate copolymer, phenylpropyl alcohol multipolymer or its emulsion.If but Weak solvent coating adopts second-order transition temperature Tg resin on the low side, and the phenomenon that easily sticks together when recording media storage causes cannot rolling; Second-order transition temperature is too high, and coating is difficult for film forming, and coating performance is poor.
Summary of the invention
The above-mentioned defect existing in order to overcome prior art field, the object of the invention is to, the coating formula of apparent the absorbed Weak solvent China ink of a kind of high light is provided, solving prior art causes ink-jet media adhesion to be difficult for rolling because used resin glass temperature is too low, or too high coating is difficult for film forming, coating performance is poor, can not absorb the problems such as Weak solvent ink.
The object of the invention is to reach by the following technical programs:
A coating formula for apparent the absorbed Weak solvent China ink of high light, its component by mass percentage proportioning is:
30-70% self-crosslinking acrylic ester emulsion;
1-5% associative thickener;
1-5% tensio-active agent;
Surplus is water.
Described self-crosslinking acrylic ester emulsion is water-based room temperature crosslinking acrylic acid ester emulsion; Described self-crosslinking acrylic ester emulsion contains diacetone-acryloamide(DAA) (DAAM) function monomer; Described self-crosslinking acrylic ester emulsion contains ammonia, volatile amine compounds, and described ammonia, volatile amine compounds is single kind; Described self-crosslinking acrylic ester emulsion contains ammonia, volatile amine compounds, and described ammonia, volatile amine compounds is several mixture; Described self-crosslinking acrylic ester emulsion contains adipic dihydrazide (ADH); Diacetone-acryloamide(DAA) in described self-crosslinking acrylic ester emulsion is as function monomer, adipoyl hydrazine (ADH) is as linking agent, volatile amine is as neutralizing agent, in the time of storage at normal temperature, emulsion keeps neutral, ketone carbonyl does not react with hydrazide group, and emulsion when dry due to the volatilization of amine, system pH declines, under sour catalysis, ketone carbonyl and hydrazide group produce crosslinking reaction, make room temperature self-crosslinking acrylic ester emulsion.
In addition, be used to form coating fluid and also can add as required thickening material, tensio-active agent, defoamer, white dyes, antioxidant, the auxiliary agents such as ultraviolet absorbers.
The coating formula of high bright apparent absorbed Weak solvent China ink provided by the invention, its beneficial effect is, solving prior art causes ink-jet media adhesion to be difficult for rolling because used resin glass temperature is too low, or too high coating is difficult for film forming, coating performance is poor, can not absorb the problems such as Weak solvent ink.
Embodiment
Below in conjunction with an embodiment, the coating formula of apparent the absorbed Weak solvent China ink of high light provided by the invention is described in detail.
Embodiment
Prepare the raw material of water-based room temperature crosslinking acrylic acid ester emulsion in table one.
Table one
| Raw material | Abbreviation | Purity | Factory |
| Methyl methacrylate | MMA | Technical pure | Dongfang Chemical Plant, Beijing, The East Chemical Plant,Beijing |
| Butyl acrylate | BA | Technical pure | Dongfang Chemical Plant, Beijing, The East Chemical Plant,Beijing |
| Vinylformic acid | AA | Technical pure | Dongfang Chemical Plant, Beijing, The East Chemical Plant,Beijing |
| Diacetone-acryloamide(DAA) | DAAM | Technical pure | Hangzhou Xinghua Chemical Co., Ltd. |
| Adipic dihydrazide | ADH | Technical pure | Hangzhou Xinghua Chemical Co., Ltd. |
| Polyethylene Octylphenol Ether | OP-10 | Technical pure | Henkel KGaA |
| Ammonium persulphate | APS | Analytical pure | Beijing chemical reagent company |
| Sodium lauryl sulphate | SDS | Analytical pure | Beijing chemical reagent company |
| Ammoniacal liquor | NH3·H2O | Analytical pure | Beijing chemical reagent company |
| Diacetone alcohol | Analytical pure | ? | Beijing chemical reagent company |
The formula of water-based room temperature crosslinking acrylic acid ester emulsion is in table two.
Table two
The synthesis technique of water-based room temperature crosslinking acrylic acid ester emulsion:
(1) pre-emulsion preparation
In the 500ml four-necked bottle that electric mixer, thermometer, prolong and dropping funnel are housed, add monomer for first paragraph, emulsifying agent and deionized water, at 54 ± 2 DEG C of stir about 10min, obtain pre-emulsion.
(2) seed emulsion preparation
Get 1/4 pre-emulsion in four-necked bottle, be warming up to 74 ± 2 DEG C, then drip 1/4 APS solution, react about 30min, make seed emulsion.
(3) core emulsion preparation
Remaining APS liquid is divided into four parts, keeps temperature of reaction constant, add a APS liquid in reaction flask, and drip residue 3/4 pre-emulsion, 1h drips off, and wherein adds a APS liquid every 30min.
(4) shell emulsion preparation
In the 500ml four-necked bottle that electric mixer, thermometer, prolong and dropping funnel are housed, add monomer for second segment, emulsifying agent and deionized water, at 54 ± 2 DEG C of stir about 10min, obtain pre-emulsion, then slowly drip in above-mentioned core emulsion, in 1h, drip, insulation reaction 2h, wherein adds a APS liquid every 30min; Be warming up to 80 ± 1 DEG C, reaction 2h, is down to room temperature, and slowly adds the 10% ADH aqueous solution, extremely neutral with ammonia neutralization.Filter, discharging, obtains a kind of milky emulsion that is blue light.
The preparation method of high light Weak solvent coating fluid:
Under room temperature, get water-based room temperature crosslinking acrylic acid ester emulsion 30%--50%, thickening material (RHEOLATE425, this DS is modest for hamming) 1%--5%, tensio-active agent (Levaslip W-469, this DS is modest for hamming) 1%--5%, residue water consumption polishing.Mechanical stirring 20 minutes after mixing, then coats on the high machine-glazed paper base of RC with 100g ∕ ㎡ by line rod coating machine, after being dried, makes sample at 60 DEG C.
Range estimation makes the apparent Gao Guang of sample, sprawls evenly, and film forming is smooth.
With reference to GB/T1762-(89) standard, filter paper light is faced down and is placed in coating specimen page coat side, on filter paper, press 200g counterweight, its floorage is 8 c ㎡, puts into the baking oven of setting 30 DEG C, keeps 10min, take out test sample, remove counterweight, reversing sample filter paper freely falls.
Print with universe wind Weak solvent printer, picture is clear, and blotting is good.
Comparative example one
Under room temperature, adopting low Tg TG is 30 DEG C, 10 DEG C of minimum film-forming temperatures, organosilicon crylic acid latex (KD8, Henkel its people) 30%-50%, (RHEOLATE425, the modest thickening material of this DS of hamming) 1%-5%, tensio-active agent (Levaslip W-469, this DS is modest for hamming) 1%-5%, residue water consumption polishing.Mechanical stirring 20 minutes after mixing, then coats on the high machine-glazed paper base of RC with 100g ∕ ㎡ by line rod coating machine, after being dried, makes sample at 60 DEG C.
Range estimation makes the apparent Gao Guang of sample, sprawls evenly, and film forming is smooth.
With reference to GB/T1762-(89) standard, filter paper light is faced down and is placed in coating specimen page coat side, on filter paper, press 200g counterweight, its floorage is 8 c ㎡, puts into the baking oven of setting 30 DEG C, keeps 10min, take out test sample, remove counterweight, the adhesion of reversing sample filter paper is not fallen.
With the printing of universe wind Weak solvent printer, figure sheet pile China ink, blotting is poor.
Comparative example two
Under room temperature, 80 DEG C of the benzene emulsion of high glass transition temperature (Neocryl A-1091, Wei Laihui south) minimum film-forming temperature second-order transition temperatures, 106 DEG C of Tg.Wherein phenylpropyl alcohol breast (Neocryl A-1091, Wei Laihui south) 30%--50%, thickening material (RHEOLATE425, this DS is modest for hamming) 1%-5%, tensio-active agent (Levaslip W-469, this DS is modest for hamming) 1%-5%, residue water consumption polishing.Mechanical stirring 20 minutes after mixing, then coats on the high machine-glazed paper base of RC with 100g ∕ ㎡ by line rod coating machine, after being dried, makes sample at 60 DEG C.
Range estimation makes the apparent high light of sample but film forming is imperfect, the peeling of having one's face covered with.
With reference to GB/T1762-(89) standard, filter paper light is faced down and is placed in coating specimen page coat side, on filter paper, press 200g counterweight, its floorage is 8 c ㎡, puts into the baking oven of setting 30 DEG C, keeps 10min, take out test sample, remove counterweight, reversing sample filter paper freely falls.
With the printing of universe wind Weak solvent printer, figure sheet pile China ink, blotting is poor.
The coating fluid that uses the present invention to make can also be coated enamelled paper, on PP, PVC, PET, canvas base material, after being dried, is high light product.
Claims (6)
1. a coating formula for apparent the absorbed Weak solvent China ink of high light, is characterized in that: its component by mass percentage proportioning is: 30-70% self-crosslinking acrylic ester emulsion; 1-5% associative thickener; 1-5% tensio-active agent; Surplus is water.
2. the coating formula of high bright apparent absorbed Weak solvent China ink according to claim 1, is characterized in that: described self-crosslinking acrylic ester emulsion is water-based room temperature crosslinking acrylic acid ester emulsion.
3. the coating formula of high bright apparent absorbed Weak solvent China ink according to claim 1, is characterized in that: described self-crosslinking acrylic ester emulsion contains diacetone-acryloamide(DAA) function monomer.
4. the coating formula of high bright apparent absorbed Weak solvent China ink according to claim 1, is characterized in that: described self-crosslinking acrylic ester emulsion contains ammonia, volatile amine compounds, and described ammonia, volatile amine compounds are single kind.
5. the coating formula of high bright apparent absorbed Weak solvent China ink according to claim 1, is characterized in that: described self-crosslinking acrylic ester emulsion contains ammonia, volatile amine compounds, and described ammonia, volatile amine compounds are several mixture.
6. the coating formula of high bright apparent absorbed Weak solvent China ink according to claim 1, is characterized in that: described self-crosslinking acrylic ester emulsion contains adipic dihydrazide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210577257.4A CN103897540A (en) | 2012-12-27 | 2012-12-27 | Formula of high brightness performance coating capable of absorbing ECO-solvent ink |
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| CN201210577257.4A CN103897540A (en) | 2012-12-27 | 2012-12-27 | Formula of high brightness performance coating capable of absorbing ECO-solvent ink |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113354970A (en) * | 2021-07-01 | 2021-09-07 | 海南必凯水性新材料有限公司 | Aqueous coating liquid suitable for weak solvent ink and preparation method thereof |
| CN113389068A (en) * | 2021-06-22 | 2021-09-14 | 江苏浙创纺织科技有限公司 | Weak solvent high gloss chemical fibre photo spray painting canvas |
| CN115820066A (en) * | 2022-12-13 | 2023-03-21 | 中国化工株洲橡胶研究设计院有限公司 | Water-based coating paint for thermal transfer ink-jet printing and preparation method and application thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389068A (en) * | 2021-06-22 | 2021-09-14 | 江苏浙创纺织科技有限公司 | Weak solvent high gloss chemical fibre photo spray painting canvas |
| CN113354970A (en) * | 2021-07-01 | 2021-09-07 | 海南必凯水性新材料有限公司 | Aqueous coating liquid suitable for weak solvent ink and preparation method thereof |
| CN115820066A (en) * | 2022-12-13 | 2023-03-21 | 中国化工株洲橡胶研究设计院有限公司 | Water-based coating paint for thermal transfer ink-jet printing and preparation method and application thereof |
| CN115820066B (en) * | 2022-12-13 | 2024-04-05 | 中国化工株洲橡胶研究设计院有限公司 | Water-based coating for thermal transfer ink-jet printing, and preparation method and application thereof |
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Application publication date: 20140702 |