CN102382507A - Hydrophilic ink for intaglio printing on surfaces of aluminum foils and preparation method thereof - Google Patents
Hydrophilic ink for intaglio printing on surfaces of aluminum foils and preparation method thereof Download PDFInfo
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- CN102382507A CN102382507A CN2011102622621A CN201110262262A CN102382507A CN 102382507 A CN102382507 A CN 102382507A CN 2011102622621 A CN2011102622621 A CN 2011102622621A CN 201110262262 A CN201110262262 A CN 201110262262A CN 102382507 A CN102382507 A CN 102382507A
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Abstract
The invention discloses hydrophilic ink for intaglio printing on surfaces of aluminum foils and a preparation method thereof. The hydrophilic ink for intaglio printing on the surfaces of the aluminum foils comprises the following raw materials: by weight, 15 to 30 parts of hydrophilic polyacrylic resin liquid containing 20% to 50% solid materials (solid content for short), 40 to 50 parts of propyl benzene emulsion with solid content 25% to 60%, 10 to 15 parts of hydrophilic polyurethane and acrylate ester composited emulsion with solid content 30% to 58%, 8 to 12 parts of colorant, 1 to 2 parts of dispersant, 0.5 to 1 part of slip agent, 0.5 to 1 part of flatting agent, 1 to 5 parts of hydrophilic wax syrup, 1 to 5 parts of butyl ether, 1 to 5 parts of isopropanol and 1 to 5 parts of deionized water. The hydrophilic ink is faster in drying speed, fine in adhesion, better in water resistance, moisture resistance and friction resistance, and better in after-tack property. Besides, the hydrophilic ink has fine film formation and color retention and better color development for pigments and also has high glossiness.
Description
Technical field
The present invention relates to the printing-ink technical field, relate in particular to a kind of water color ink that is used for the aluminium foil surface intaglio printing and preparation method thereof, especially for the aluminium foil of food and drug packaging.
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Technical background
In recent years, characteristics such as aluminium foil is good because of light weight, good leak tightness, covering property, environmental protection have been widely used in a plurality of fields such as food, medicine, aerospace.From 2006, Chinese aluminium foil production capacity, output continued to keep the whole world the first.The aluminium foil market demand increases swift and violent.Chinese aluminium foil output was 1,570,000 tons in 2008, accounted for 44% of the whole world.At present, the annual consumption of China aluminium foil amount has become the world's second largest aluminium foil country of consumption that is only second to the U.S..
Grocery trade and pharmacy industry are the staple markets of aluminium foil packing.They are aqueous non-toxics for the requirement of printing-ink; Nonpolarity, slick aluminium foil there is good sticking power; The time of just doing is short, is suitable for line of travel speed and is 60～130 meters/minute high speed printing, and printed matter has water resisting property, moisture-proof frictional property and anti-after tackiness preferably.And the rate of drying of existing water color ink, attachment fastness, water resisting property, anti-after tackiness etc. all not have well solution.
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Summary of the invention
The present invention has made a kind of water color ink that is used for the aluminium foil surface intaglio printing, and its purpose is that the technical indicator that solves existing water color ink is difficult to the problem of meeting the requirements of.
The present invention has adopted following technical scheme:
A kind of water color ink that is used for the aluminium foil surface intaglio printing, it comprises following raw materials according and weight part proportioning thereof:
Solid content is 15～30 parts of 20%～50% aqueous polyacrylamide acid resin liquid;
Solid content is 40～50 parts of 25%～60% propyl benzene emulsions;
Solid content is 10～15 parts of 30%～58% aqueous polyurethane-acrylate composite emulsions;
8～12 parts in colorant;
1～2 part of dispersion agent;
0.5～1 part of surface slip agent;
0.5～1 part of flow agent;
1～5 part in water-based wax slurry;
1～5 part of butyl ether;
1～5 part of Virahol;
1～5 part of deionized water.
The said pH value that is used for the water color ink of aluminium foil surface intaglio printing is 6.0～9.5.
The said water color ink that is used for the aluminium foil surface intaglio printing, 20 ℃ down with butyl ether with or Virahol and or the viscosity of deionized water adjusting printing ink.
The said water color ink that is used for the aluminium foil surface intaglio printing, its viscosity are 15～40 s.Record with examining grace 3# cup
The said water color ink that is used for the aluminium foil surface intaglio printing, its fineness is less than 20 μ m.
The said water color ink that is used for the aluminium foil surface intaglio printing, its solid content are 20%～30%.
The present invention also provides the preparation method of above-mentioned printing ink, and the preparation method of said food, drug packaging use aluminium foil printing ink may further comprise the steps:
Steps A: get the raw materials ready and weighing; Synthesize or the indicated various raw materials of buying preceding text, and weighing is subsequent use one by one by indicated weight part;
Step B: grind the preparation standby color paste: aqueous polyacrylamide acid resin liquid, colorant, dispersion agent are stirred in container by formula ratio; Drop in the iron flask again and grind; The sealing iron flask is inserted iron flask and is waved that decentralized system gets standby color paste on dispersion machine or the sand mill;
Step C: the preparation printing ink: with propyl benzene emulsion, aqueous polyurethane-acrylate composite emulsion, WL 140 liquid, surface slip agent, flow agent, water-based wax slurry, butyl ether, Virahol and deionized water by the prescription than after joining in the standby color paste; The good seal iron flask is placed on to wave in the dispersion machine and continues decentralized system and get the water color ink product;
Step D: check and packing: after sand milling disperseed to accomplish, sampling was done contrast with standard ink swatch, and with its depth of shade of mill base adjustment, fullness of shade; Sampling detects fineness, pH value, viscosity, solid content each item technical indicator of printing ink then, the discharging barrelling of qualified back, packing warehouse-in.
In grinding preparation standby color paste process, adding a certain amount of granulated glass sphere carries out ball milling or carries out sand milling; And to wave the dispersive time on the dispersion machine be 2～3h waving, and makes the fineness of mill base be less than 15 μ m.Make at preparation printing ink and to wave dispersion machine in the process of water color ink product to continue the dispersive time be 30～60min.
Compared with prior art, the present invention has following unusual effect:
The water color ink rate of drying that the present invention makes is very fast, and attachment fastness is good, and water resisting property is better, and the moisture-proof friction is better, and anti-after tackiness is better.Just do time≤15s, attachment fastness>=98%, the metal to-metal contact of China ink layer fallen China ink≤5% 30 times, and the friction after with water-wet of China ink layer fallen China ink>=10%, anti-after tackiness≤5h about 10 times.The bond because employing aqueous polyurethane-acrylate composite emulsion and benzene emulsion are decided, this printing ink also has following distinguishing feature: 1. film forming properties is good, and tint retention is good, and is good to the color developing of pigment, and 2. glossiness is high.
Description of drawings
Fig. 1 is the method flow diagram of preparation water color ink provided by the invention.
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Embodiment
For making the object of the invention, technical scheme and advantage clearer, clear and definite, below with reference to embodiment to further explain of the present invention.
A kind of water color ink that is used for the aluminium foil surface intaglio printing, it comprises following raw materials according and weight part proportioning thereof: solid content (abbreviation solid content) is 15～30 parts of 20%～50% aqueous polyacrylamide acid resin liquid; 40～50 parts of the propyl benzene emulsions of solid content 25%～60%; 10～15 parts of solid content 30%～58% aqueous polyurethane-acrylate composite emulsions; 8～12 parts in colorant; 1～2 part of dispersion agent; 0.5～1 part of surface slip agent; 0.5～1 part of flow agent; 1～5 part in water-based wax slurry; 1～5 part of butyl ether; 1～5 part of Virahol; 1～5 part of deionized water.
The said pH value that is used for the water color ink of aluminium foil surface intaglio printing is 6.0～9.5.
The said water color ink that is used for the aluminium foil surface intaglio printing, with butyl ether with or Virahol with or the viscosity of deionized water adjusting printing ink.Generally under 20 ℃, debug.
The said water color ink that is used for the aluminium foil surface intaglio printing, its viscosity are 15～40 s.Embodiment of the invention employing is examined grace 3# cup and is recorded.
The said water color ink that is used for the aluminium foil surface intaglio printing, its fineness is less than 20 μ m.
The said water color ink that is used for the aluminium foil surface intaglio printing, its solid content are 20%～30%.
The colouring matter of being selected for use is toner or the slurry of the black, white, redness of all kinds of water-baseds, orange, yellow, green, cyan, blueness or purple; Or their intermediate colors to each other or the toner or the slurry of its mixture colors, comprise Lithol Red, bronze red, pink, rose-red, organic yellow, lemon yellow, diarylide yellow, permanent yellow, solid beautiful Huang, gorgeous beauty's Huang, phthalocyanine blue, phthalein viridescent, permanent violet, carbon black and the white titanium pigment of passing through.
Slipping agent is an amine hydroxybenzene, erucicamide, stearic amide or imperial husky EBS etc.Water-based wax slurry is the emulsified olefin of oxidic polyethylene emulsifying wax or chemical modification.Selected solvent is the butyl ether and the Virahol of technical grade or SILVER REAGENT.
Dispersion agent and flow agent are dispersion agent and the flow agent that general Chemical market all has sale.Dispersion agent comprises the polyamino amidophosphoric acid salt of sodium oleate, carboxylate salt, sulfuric acid, sulphonate, oleyl amine acetate, alkyl quaternary ammonium salts, amino propylamine dioleate, quaternary amine, special modification, the high molecular polymer of the affixture of lipid acid oxyethane, polyethylene glycol type polyvalent alcohol, polyethylenimine derivates, phosphate ester salt type or oily amino oleic acid ester etc.; Flow agent comprises acrylic copolymer flow agent, organosilicon flow agent or fluorocarbon class flow agent.
Referring to Fig. 1, the present invention also provides the preparation method of above-mentioned printing ink, and the preparation method of said food, drug packaging use aluminium foil printing ink may further comprise the steps:
Steps A: get the raw materials ready and weighing;
Its concrete operations are: the synthetic or indicated various raw materials of buying preceding text, and weighing is subsequent use one by one to press indicated weight part.
Step B: grind the preparation mill base: aqueous polyacrylamide acid resin liquid, colorant, dispersion agent are stirred in container by formula ratio, drop in the iron flask and grind, the sealing iron flask is inserted iron flask and is waved that decentralized system gets standby color paste on dispersion machine or the sand mill.
The present invention adds a certain amount of granulated glass sphere and carries out ball milling or carry out sand milling in iron flask; The dispersive time is 2～3h on dispersion machine or the sand mill waving, and makes the fineness of mill base be less than 15 μ m.
Step C: the preparation printing ink: with propyl benzene emulsion, aqueous polyurethane-acrylate composite emulsion, WL 140 liquid, surface slip agent, flow agent, water-based wax slurry, butyl ether, Virahol and deionized water by the prescription than after joining in the standby color paste; The good seal iron flask is placed on to wave in dispersion machine or the sand mill and continues decentralized system and get the water color ink product.
In waving dispersion machine, to continue the dispersive time be 30～60min to this step among the present invention.
Step D: check and packing: after sand milling disperseed to accomplish, sampling was done contrast with standard ink swatch, and with its depth of shade of mill base adjustment, fullness of shade; Sampling detects fineness, pH value, viscosity, solid content each item technical indicator of printing ink then, the discharging barrelling of qualified back, packing warehouse-in.
With reference to following examples and Comparative Examples, can explain the present invention, but the present invention is not limited to these for example.Various raw materials and the weight part in prescription thereof are tabulated as follows with 5 embodiment at present:
5 embodiment that table 1 is listed are followed successively by white (1#), black (2#), red (3#), the basic recipe of yellow (4#) and blue (5#) five kinds of water-based look China inks:
Table 1 is used for the water color ink material proportion (weight part) of aluminium foil
Embodiment 1:
Take by weighing solid content and be 15 parts of 20%～50% water-borne acrylic resin liquid, 10 parts of white pigments, 1 part of dispersion agent; Join in the container successively and stir, transfer to and carry out dropping into a certain amount of granulated glass sphere (or steel ball) in the iron flask that ball milling (or sand milling) handles; The sealing iron flask; Insert iron flask and wave dispersion machine (or sand mill) and go up to disperse 2～3h, treat that fineness reaches below the 15 μ m, can make standby color paste.
Then 42 part 25%～60% propyl benzene emulsion, 15 part 30%～58% aqueous polyurethane-acrylate composite emulsion, 3 parts of water-based wax slurries, 0.5 part of flow agent, 0.8 part of surface slip agent, 5 parts of butyl ether, 2 parts of Virahols and 2 parts of deionized waters are joined in the above-mentioned standby color paste; Good seal iron flask once more; Be placed on to wave and continue in the dispersion machine (or sand mill) to disperse 30～60min, can make the water color ink product.Inspection by sampling, its fineness are 18 μ m, viscosity 25 s (25 ℃ are examined grace 3# cup), and sticking power 100% (surveying) with the frame method, solid content 25.3%, pH=8.5, color is pure white.
Embodiment 2:
Take by weighing solid content and be 30 parts of 20%～50% water-borne acrylic resin liquid, 8 parts of black pigments, 1.2 parts of dispersion agents; Join in the container successively and stir, transfer to and carry out dropping into a certain amount of granulated glass sphere (or steel ball) in the iron flask that ball milling (or sand milling) handles; The sealing iron flask; Insert iron flask and wave dispersion machine (or sand mill) and go up to disperse 2～3h, treat that fineness reaches below the 15 μ m, can make standby color paste.
Then 45 part 25%～60% propyl benzene emulsion, 10 part 30%～58% aqueous polyurethane-acrylate composite emulsion, 2 parts of water-based wax slurries, 1 part of flow agent, 0.5 part of surface slip agent, 2 parts of butyl ether, 4 parts of Virahols and 3 parts of deionized waters are joined in the above-mentioned standby color paste; Good seal iron flask once more; Be placed on to wave and continue in the dispersion machine (or sand mill) to disperse 30～60min, can make the water color ink product.Inspection by sampling, its fineness are 20 μ m, viscosity 31 s (25 ℃ are examined grace 3# cup), and sticking power 99% (surveying) with the frame method, solid content 27.2%, pH=7.8, color is consistent with the black standard specimen.
Embodiment 3:
Take by weighing solid content and be 18 parts of 20%～50% water-borne acrylic resin liquid, 12 parts of golden red pigment, 1.5 parts of dispersion agents; Join in the container successively and stir, transfer to and carry out dropping into a certain amount of granulated glass sphere (or steel ball) in the iron flask that ball milling (or sand milling) handles; The sealing iron flask; Insert iron flask and wave dispersion machine (or sand mill) and go up to disperse 2～3h, treat that fineness reaches below the 15 μ m, can make standby color paste.
Then 50 parts of 25%～60% propyl benzene emulsions, 14 parts of aqueous polyurethane-acrylate composite emulsions, 4 parts in water-based wax slurry, 0.7 part of flow agent, 1 part of surface slip agent, 4 parts, 3 parts Virahols of butyl ether and 3 parts of deionized waters of 30%～58% are joined in the above-mentioned standby color paste; Good seal iron flask once more; Be placed on to wave and continue in the dispersion machine (or sand mill) to disperse 30～60min, can make the water color ink product.Inspection by sampling, its fineness are 16 μ m, viscosity 36 s (25 ℃ are examined grace 3# cup), and sticking power 98% (recording) with the frame method, solid content 29.4%, pH=8.3, color is consistent with standard specimen.
Embodiment 4:
Take by weighing solid content and be 26 parts of 20%～50% water-borne acrylic resin liquid, 12 parts of the lemon yellow pigment of water-based, 2 parts of dispersion agents; Join in the container successively and stir, transfer to and carry out dropping into a certain amount of granulated glass sphere (or steel ball) in the iron flask that ball milling (or sand milling) handles; The sealing iron flask; Insert iron flask and wave dispersion machine (or sand mill) and go up to disperse 2～3h, treat that fineness reaches below the 15 μ m, can make standby color paste.
Then 40.5 part 25%～60% propyl benzene emulsion, 12 part 30%～58% aqueous polyurethane-acrylate composite emulsion, 5 parts of water-based wax slurries, 0.8 part of flow agent, 0.9 part of surface slip agent, 3 parts of butyl ether, 5 parts of Virahols and 1 part of deionized water are joined in the above-mentioned standby color paste; Good seal iron flask once more; Be placed on to wave and continue in the dispersion machine (or sand mill) to disperse 30～60min, can make the water color ink product.Inspection by sampling, its fineness are 16 μ m, viscosity 30 s (25 ℃ are examined grace 3# cup), sticking power 99% (surveying with the frame method), solid content 26.8 %, pH=7.6, color and standard specimen solid colour.
Embodiment 5:
Take by weighing 23 parts of solid contents and be 20%～50% water-borne acrylic resin liquid, 10 parts of compound blue pigment, 1.8 parts of dispersion agents through allotment; Join in the container successively and stir, transfer to and carry out dropping into a certain amount of granulated glass sphere (or steel ball) in the iron flask that ball milling (or sand milling) handles; The sealing iron flask; Insert iron flask and wave dispersion machine (or sand mill) and go up to disperse 2～3h, treat that fineness reaches below the 15 μ m, can make standby color paste.
Then 48 parts of 25%～60% propyl benzene emulsions, 11 parts of aqueous polyurethane-acrylate composite emulsions, 1 part in water-based wax slurry, 0.5 part of flow agent, 1 part of surface slip agent, 1 part, 3 parts Virahols of butyl ether and 5 parts of deionized waters of 30%～58% are joined in the above-mentioned standby color paste; Good seal iron flask once more; Be placed on to wave and continue in the dispersion machine (or sand mill) to disperse 30～60min, can make the water color ink product.Inspection by sampling, its fineness are 18 μ m, viscosity 40 s (25 ℃ are examined grace 3# cup), and sticking power 100% (recording) with the frame method, solid content 29.4%, pH=8.3, color conforms to standard specimen.
The technical performance index of water color ink product sees that table 2 lists.
Table 2 is used for the water color ink performance index of aluminium foil
The water color ink rate of drying that the present invention makes is very fast, and attachment fastness is good, and water resisting property is better, and the moisture-proof friction is better, and anti-after tackiness is better.Just do time≤15s, attachment fastness>=98%, the metal to-metal contact of China ink layer fallen China ink≤5% 30 times, and the friction after with water-wet of China ink layer fallen China ink>=10%, anti-after tackiness≤5h about 10 times.The bond because employing aqueous polyurethane-acrylate composite emulsion and benzene emulsion are decided, this printing ink also has following distinguishing feature: 1. film forming properties is good, and tint retention is good, and is good to the color developing of pigment, and 2. glossiness is high.
Should be understood that application of the present invention is not limited to above-mentioned giving an example, concerning those of ordinary skills, can improve or conversion that all these improvement and conversion all should belong to the protection domain of accompanying claims of the present invention according to above-mentioned explanation.
Claims (10)
1. water color ink that is used for the aluminium foil surface intaglio printing, it comprises following raw materials according and weight part proportioning thereof:
15～30 parts of WL 140 liquid;
40～50 parts of propyl benzene emulsions;
10～15 parts of aqueous polyurethane-acrylate composite emulsions;
8～12 parts in colorant;
1～2 part of dispersion agent;
0.5～1 part of surface slip agent;
0.5～1 part of flow agent;
1～5 part in water-based wax slurry;
1～5 part of butyl ether;
1～5 part of Virahol;
1～5 part of deionized water.
2. the water color ink that is used for the aluminium foil surface intaglio printing according to claim 1 is characterized in that, described propyl benzene emulsion adopts the preparation of semi-continuous emulsion polymerizing method, and its solid content is 25%～60%.
3. the water color ink that is used for the aluminium foil surface intaglio printing according to claim 2 is characterized in that, described aqueous polyurethane-acrylate composite emulsion adopts semicontinuous soap-free emulsion method preparation, and its solid content is 30%～58%.
4. the described water color ink that is used for the aluminium foil surface intaglio printing of claim 3 is characterized in that, said WL 140 liquid is aqueous polyacrylamide acid resin liquid, and its solid content is 20%～50%.
5. the described water color ink that is used for the aluminium foil surface intaglio printing of claim 4 is characterized in that, the pH value of water color ink is 6.0～9.5; Viscosity is 15～40s; Fineness is less than 20 μ m; Solid content is 20%～30%.
6. the described water color ink that is used for the aluminium foil surface intaglio printing of claim 5 is characterized in that, with the viscosity of butyl ether and/or Virahol and/or deionized water adjusting printing ink.
7. preparation method who is used for the water color ink of aluminium foil surface intaglio printing, it may further comprise the steps:
A: get the raw materials ready and weighing is subsequent use one by one by formula ratio;
B: grind the preparation standby color paste: aqueous polyacrylamide acid resin liquid, colorant, dispersion agent are stirred in container by formula ratio, drop in the iron flask and grind, the sealing iron flask is inserted iron flask and is waved that decentralized system gets standby color paste on dispersion machine or the sand mill;
C: the preparation printing ink: with propyl benzene emulsion, aqueous polyurethane-acrylate composite emulsion, WL 140 liquid, surface slip agent, flow agent, water-based wax slurry, butyl ether, Virahol and deionized water by the prescription than after joining in the standby color paste; The good seal iron flask is placed on to wave in dispersion machine or the sand mill and continues decentralized system and get the water color ink product.
8. the described preparation method who is used for the water color ink of aluminium foil surface intaglio printing of claim 7; It is characterized in that; Insert iron flask and wave that decentralized system gets in the process of standby color paste on dispersion machine or the sand mill: waving dispersion machine or sand mill, to carry out the dispersive time be 2～3h, makes the fineness of mill base be less than 15 μ m.
9. the described preparation method who is used for the water color ink of aluminium foil surface intaglio printing of claim 7 is characterized in that, grinds the mode of grinding in the preparation standby color paste process to be: in iron flask, add a certain amount of granulated glass sphere and carry out ball milling or carry out sand milling.
10. the described preparation method who is used for the water color ink of aluminium foil surface intaglio printing of claim 7 is characterized in that, makes in the step of water color ink product at preparation printing ink, waves that the dispersive time is 30～60min in the dispersion machine.
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| CN103254689A (en) * | 2013-05-31 | 2013-08-21 | 苏州凹凸彩印厂 | Gravure ink for aluminium foil and preparation method of gravure ink |
| CN104629523A (en) * | 2015-01-22 | 2015-05-20 | 阜阳丰成机械有限公司 | Rust-proof metal printing ink containing pepper essential oil |
| CN106433297A (en) * | 2016-10-20 | 2017-02-22 | 浏阳市源友印务包装有限公司 | Waterborne polyurethane plastic ink and preparation method thereof |
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| CN108504177A (en) * | 2018-04-11 | 2018-09-07 | 佛山市顺德区乐从镇盛昌油墨有限公司 | A kind of water-base ink for intaglio printing on aluminium foil and preparation method and application |
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