CN103666086A - Preparation method of environment-friendly benzene-free ketone-free white printing ink - Google Patents
Preparation method of environment-friendly benzene-free ketone-free white printing ink Download PDFInfo
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- CN103666086A CN103666086A CN201310607995.3A CN201310607995A CN103666086A CN 103666086 A CN103666086 A CN 103666086A CN 201310607995 A CN201310607995 A CN 201310607995A CN 103666086 A CN103666086 A CN 103666086A
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Abstract
The invention provides a preparation method of an environment-friendly benzene-free ketone-free white printing ink. The preparation method comprises the following steps: equipment is selected; the formulation of the white printing ink comprises the following components by weight percent: 35% of titanium dioxide, 30% of a resin, 1.5% of a wetter, 2% of a dispersing agent, 1.5% of an anti-settling agent and 30% of a mixed solvent; the components of the formulation are placed in a printing ink tank; operation is conducted to prepare the white printing ink; after the fineness and viscosity are qualified, the densities of toluene and butanone in the white printing ink are tested by a gas chromatograph so as to ensure the contents of the toluene and butanone in the white printing ink are lower than 0.03%; the white printing ink is filtered, weighed and packaged. The white printing ink prepared through the preparation method has the benefits as follows: the contents of the toluene and butanone in the white printing ink are lower than 0.03%, so that health of operating personnel is ensured; the white printing ink is stable in quality and good in performance; as the prepared white printing ink is free from the phenomenon of thickening or insoluble precipitate, the guarantee period can be above 1 year; phenomena such as fuzzy printing and cut lines in the printing process of the white printing ink are avoided; the production efficiency is high; the printing stability is ensured for users.
Description
Technical field
The present invention relates to a kind of environment-friendly type without benzene the preparation method without ketone white ink.
Background technology
Environment-friendly type is a kind of " green " ink of rising in recent years without ketone ink without benzene, compare with traditional ink, owing to not containing the harmful strong solvents such as toluene, butanone in this ink, the substitute is the Weak solvents such as alcohols and ester class, these solvents have low residue, oligosaprobic feature, are particularly suitable for the industries such as food product pack, medicine, cigarette, decoration and toy for children.
Owing to not containing the strong solvents such as toluene, butanone in this ink, if the preparation method who adopts is improper, as the mixing of reinforced order, solvent, add mode improper etc., capital causes the ink quality after processing unstable, be easy to occur the problems such as precipitation, thickening, and in follow-up printing process, cause the quality problems such as mist version, cutter line or loose colour appears in the spot color that is made into thus, the phenomenon such as grow dim.
Summary of the invention
For structural deficiency in prior art, the object of this invention is to provide a kind of environment-friendly type without benzene the preparation method without ketone white ink, the quality of the ink of being processed to guarantee, extends the shelf life.In addition,, owing to not containing harmful toluene, butanone equal solvent in this ink, aspect environmental protection, residual solvent, reaching national requirement.
For achieving the above object, the technical solution used in the present invention be to provide a kind of environment-friendly type without benzene the preparation method without ketone white ink, the method comprises the following steps:
1) selection of equipment
Homogenizer, rotating speed is >1000rpm; Sand mill is capacity 20L, the length-to-diameter ratio >2.2 of sand mill, sand diameter 0.5～1.5mm;
2) environment-friendly type without benzene without ketone white ink material formula composition, be weight %:
Titanium dioxide 35%, resin 30%, wetting agent 1.5%, dispersion agent 2%, anti-settling agent 1.5%, mixed solvent 30%;
3) according to above-mentioned material formula composition, material is operated according to the following steps:
A, according to above-mentioned material formula composition, mixed solvent is put into solvent tank, and stirs 3～5 minutes;
B, by 40～50% of mixed solvent after stirring, pour in ink tank;
C, wetting agent 1.5%, dispersion agent 2% are added in ink tank, and stir 3～5 minutes;
D, join in ink tank 40～50% of resin, and stir 5～10 minutes;
E, on one side start high-speed stirring, on one side whole titanium dioxides is added after, at rotating speed, be greater than under the condition of 1000rpm, continue high-speed stirring more than half an hour, make the temperature >45 ℃ of slurry;
F, use sand mill, slurry is disperseed, and guarantee in the process of disperseing, the temperature out <55 ℃ of slurry, flow 6～the 10L/min of outlet, the pressure <1.5atm of outlet, makes ink, and the fineness of sand mill outlet ink is <10u;
After j, fineness are qualified, the ink making are added to remaining resin in anti-settling agent 1.5% and formula, and stir 10 minutes in step f;
H, mixed solvent is joined in ink tank, stir 10～15 minutes;
The viscosity of i, mensuration ink is: select 4#FORD cup, temperature is under 25 ℃ of conditions, and the viscosity of ink is 25～35 seconds;
After the viscosity of j, ink is qualified, by the concentration of toluene and butanone in gas chromatograph check ink, guarantee the content < 3/10000ths of toluene and butanone in ink;
K, by ink filter, weigh and encapsulate.
Effect of the present invention is the ink and traditional comparing containing ketone ink working method containing benzene of making by the method, and advantage is:
1) feature of environmental protection: no matter the content < 3/10000ths of toluene and butanone in the ink of employing present method processing is the producer and the user of ink, guarantees operating personnel's health;
2) steady quality: the ink of production can thickening or had the phenomenon of " extremely " precipitation, and the quality guaranteed period can reach more than a year;
3) functional: this ink, in the process of printing, does not produce the problems such as mist version, cutter line, and production efficiency is high, guaranteed the stability that user prints.In addition, in preparation during spot ink, the phenomenon such as do not have loose colour and grow dim.
Embodiment
To environment-friendly type of the present invention, without benzene, the preparation method without ketone white ink is illustrated in conjunction with the embodiments.
Environment-friendly type of the present invention is the preparation method without ketone white ink without benzene, and the method comprises the following steps:
1) selection of equipment
Homogenizer, rotating speed is >1000rpm; Sand mill is capacity 20L, the length-to-diameter ratio >2.2 of sand mill, sand diameter 0.5～1.5mm;
2) environment-friendly type without benzene without ketone white ink material formula composition, be weight %:
Titanium dioxide 35%, resin 30%, wetting agent 1.5%, dispersion agent 2%, anti-settling agent 1.5%, mixed solvent 30%;
3) according to above-mentioned material formula composition, material is operated according to the following steps:
A, according to above-mentioned material formula composition, mixed solvent is put into solvent tank, and stirs 3～5 minutes;
B, by 40～50% of mixed solvent after stirring, pour in ink tank;
C, wetting agent 1.5%, dispersion agent 2% are added in ink tank, and stir 3～5 minutes;
D, join in ink tank 40～50% of resin, and stir 5～10 minutes;
E, on one side start high-speed stirring, on one side whole titanium dioxides is added after, at rotating speed, be greater than under the condition of 1000rpm, continue high-speed stirring more than half an hour, make the temperature >45 ℃ of slurry;
F, use sand mill, slurry is disperseed, and guarantee in the process of disperseing, the temperature out <55 ℃ of slurry, flow 6～the 10L/min of outlet, the pressure <1.5atm of outlet, makes ink, and the fineness of sand mill outlet ink is <10u;
After j, fineness are qualified, the ink making in step f is added in anti-settling agent 1.5% and formula.
Claims (3)
- Environment-friendly type without benzene the preparation method without ketone white ink, the method comprises the following steps:1) selection of equipmentHomogenizer, rotating speed is >1000rpm; Sand mill is capacity 20L, the length-to-diameter ratio >2.2 of sand mill, sand diameter 0.5～1.5mm;2) environment-friendly type without benzene without ketone white ink material formula composition, be weight %:Titanium dioxide 35%, resin 30%, wetting agent 1.5%, dispersion agent 2%, anti-settling agent 1.5%, mixed solvent 30%;3) according to above-mentioned material formula composition, material is put into ink tank, according to the following steps operation:A, according to above-mentioned material formula composition, mixed solvent is put into solvent tank, and stirs 3～5 minutes;B, by 40～50% of mixed solvent after stirring, pour in ink tank;C, wetting agent 1.5%, dispersion agent 2% are added in ink tank, and stir 3～5 minutes;D, join in ink tank 40～50% of resin, and stir 5～10 minutes;E, on one side start high-speed stirring, on one side whole titanium dioxides is added after, at rotating speed, be greater than under the condition of 1000rpm, continue high-speed stirring more than half an hour, make the temperature >45 ℃ of slurry;F, use sand mill, slurry is disperseed, and guarantee in the process of disperseing, the temperature out <55 ℃ of slurry, flow 6～the 10L/min of outlet, the pressure <1.5atm of outlet, makes ink, and the fineness of sand mill outlet ink is <10u;After j, fineness are qualified, the ink making are added to remaining resin in anti-settling agent 1.5% and formula, and stir 10 minutes in step f;H, mixed solvent is added to after ink tank, stirs 10～15 minutes;The viscosity of i, mensuration ink is: select 4#FORD cup, temperature is under 25 ℃ of conditions, and the viscosity of ink is 25～35 seconds;After the viscosity of j, ink is qualified, by the concentration of toluene and butanone in gas chromatograph check ink, guarantee the content < 3/10000ths of toluene and butanone in ink;K, by ink filter, weigh, encapsulate.
- Environment-friendly type according to claim 1 without benzene the preparation method without ketone white ink, it is characterized in that: described resin is urethane resin.
- Environment-friendly type according to claim 1 without benzene the preparation method without ketone white ink, it is characterized in that: described mixed solvent is ethyl acetate 18%, Virahol 7%, isobutyl acetate 3%, propylene glycol monomethyl ether 2%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310607995.3A CN103666086A (en) | 2013-11-25 | 2013-11-25 | Preparation method of environment-friendly benzene-free ketone-free white printing ink |
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| CN201310607995.3A CN103666086A (en) | 2013-11-25 | 2013-11-25 | Preparation method of environment-friendly benzene-free ketone-free white printing ink |
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| CN103666086A true CN103666086A (en) | 2014-03-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177914A (en) * | 2014-07-30 | 2014-12-03 | 苏州中亚油墨有限公司 | Benzene-free ketone-free single-solvent printing ink and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304307A (en) * | 2011-04-27 | 2012-01-04 | 铜陵金泰化工实业有限责任公司 | Gravure printing ink for poly(ethylene terephthalate) (PET) base material and preparation method for gravure printing ink |
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2013
- 2013-11-25 CN CN201310607995.3A patent/CN103666086A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304307A (en) * | 2011-04-27 | 2012-01-04 | 铜陵金泰化工实业有限责任公司 | Gravure printing ink for poly(ethylene terephthalate) (PET) base material and preparation method for gravure printing ink |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177914A (en) * | 2014-07-30 | 2014-12-03 | 苏州中亚油墨有限公司 | Benzene-free ketone-free single-solvent printing ink and preparation method thereof |
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Application publication date: 20140326 |