CN101434764B - Printing ink cleaning agent - Google Patents
Printing ink cleaning agent Download PDFInfo
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- CN101434764B CN101434764B CN2007101774211A CN200710177421A CN101434764B CN 101434764 B CN101434764 B CN 101434764B CN 2007101774211 A CN2007101774211 A CN 2007101774211A CN 200710177421 A CN200710177421 A CN 200710177421A CN 101434764 B CN101434764 B CN 101434764B
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Abstract
An ink cleaner consists of fatty acid monoalkyl ester, water, a water soluble nonionic surfactant, an anion active agent and a cosurfactant. The ink cleaner provided by the invention has the advantages of simple preparation, stable latex, strong cleansing power and the like and is especially applicable to cleaning printing ink.
Description
Technical field
The present invention relates to a kind of detergent for ink.In particular, the present invention relates to a kind of environment-friendly type printing ink washing agent.
Background technology
Printing equipment needs dirts such as routine cleaning greasy dirt and ink marks in process of production.When changing the printing ink kind or print job need clean up the printing ink on the ink roller after finishing, and the softening drum on the printing press, silk screen, press plate and type matrix can be infected with printing ink in printing process, also tackle printing machinery for the quality of the standard state that keeps printing press and printed matter and clean.
Existing detergent for ink mainly is divided into two big classes: a class is vapour, kerosene, and another kind of is the special-purpose novel printing ink cleaning agent of printing.
Gasoline and kerosene are a kind of wide spectrum organism solvents, and proportion is little, and evaporation rate is fast, and is cheap.In the existing printing house of China, major part also uses gasoline and kerosene to clean printing ink.As detergent for ink, there are a lot of shortcomings in gasoline and kerosene: the one, and safety problem, the flash-point of gasoline has only twenties degree, if the ventilation equipment in the printing factory building is bad, is easy to the situation of causing danger; The 2nd, pollution problem, gasoline and kerosene have certain toxicity as a kind of organic solvent, if long-term contact must cause to a certain degree destruction to the healthy of workman and environment on every side.Novel printing ink cleaning agent is compared with kerosene with gasoline, and cleaning performance is good, the safety performance height, and little to the pollution hazard of human body and environment.Novel printing ink cleaning agent normally is made of solvent, tensio-active agent, auxiliary agent, water.Solvent commonly used at present is still from non-renewable solvent oil, and such as kerosene, smell is big, and degradation property is poor, and still there is certain threat in environment.
Along with rising violently of oil price in recent years, some come the solvent of authigenic material to begin to be subjected to people's attention, wherein important a kind of be lipid acid mono alkyl ester or its mixture of producing by animal-plant oil.The dissolving power of this mono alkyl ester is stronger than kerosene, and is approaching with hexanaphthene, and is a kind of reproducible green and environment-friendly solvent.
USP 6,544, and 348 disclose the method for a kind of cleaning printing press and graphic arts die, and wherein related detergent for ink comprises lipid acid mono alkyl ester, water and tensio-active agent, wherein also can add an alkali metal salt or alkaline earth salt and inhibiter etc.
Summary of the invention
Technical problem to be solved by this invention provides a kind of printing ink washing agent of high-efficiency environment friendly.
The composition of detergent for ink of the present invention (quality %) comprising:
Water soluble nonionic surfactant 5～15;
Anion surfactant 1～5;
Cosurfactant 1～5;
Lipid acid mono alkyl ester 3～20;
Water 65～85;
Wherein, water soluble nonionic surfactant is selected from one or more in polyoxyethylene sorbitan fatty acid ester, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene and the polyoxyethylene carboxylate, and anion surfactant is selected from one or more in alkylsulfonate, alkylbenzene sulfonate, lipid acid mono alkyl ester sulfonate and the fatty alcohol polyoxyethylene ether sulfate.
The nonionogenic tenside of described water soluble nonionic surfactant in water, dispersing or dissolving.Water soluble nonionic surfactant among the present invention is preferably the combination of polyoxyethylene sorbitan fatty acid ester, fatty alcohol-polyoxyethylene ether and polyoxyethylene carboxylate, three's mass ratio is 2～8: 1～5: 1, be preferably 3.5～6.5: 2～3.5: 1.
In the described polyoxyethylene sorbitan fatty acid ester, the carbon number of lipid acid is 8～18, and the mean value of EO number in the molecule (ethoxy structural unit number) is between 15～25; In the fatty alcohol-polyoxyethylene ether, Fatty Alcohol(C12-C14 and C12-C18) is primary alconol or the secondary alcohol of C8～C18, and the mean value of EO number in the molecule (ethoxy structural unit number) is between 8～20; Alkylphenol polyoxyethylene is polyoxyethylene octylphenol ether, isooctylphenol Soxylat A 25-7, polyoxyethylene nonylphenol ether or dodecyl phenol polyethenoxy ether, and the mean value of EO number in the molecule (ethoxy structural unit number) is between 8～20; Polyoxyethylene carboxylate is sad polyoxyethylene ester, capric acid polyoxyethylene ester, sebacic acid polyoxyethylene ester, lauric acid polyoxyethylene ester, tetradecanoic acid polyoxyethylene ester, palmitinic acid polyoxyethylene ester, polyoxyethylene stearic acid ester, polyoxyethylene oleic acid ester or ricinoleate acid polyoxyethylene ester, and the mean value of EO number in the molecule (ethoxy structural unit number) is between 15～50.
For the polyethenoxy ether class tensio-active agent, its solubleness in water increases with the increase of EO number in the molecule, for example the oxyethyl group structural unit number in the fatty alcohol-polyoxyethylene ether is 1～5 o'clock, it is an oil soluble, with the increase of oxyethyl group structural unit number, its solubleness in water constantly increases until being dissolved in water.
Anion surfactant of the present invention is preferably the combination of lipid acid mono alkyl ester sulfonate and alkylsulfonate, and the mass ratio of the two is 2～20: 1, is preferably 3～16: 1.Wherein, the carbon number of the lipid acid in the lipid acid mono alkyl ester sulfonate is 8～18, and alkyl is methyl or ethyl; Alkyl carbon number in the alkylsulfonate is 8～18.
Cosurfactant among the present invention is selected from one or more in monohydroxy-alcohol, polyvalent alcohol and the alcohol ether, is preferably in C3～C8 monohydroxy-alcohol one or more.
Among the present invention, the optimum quality ratio of water soluble nonionic surfactant and anion surfactant is 2～12: 1, is preferably 3～10: 1.
In the lipid acid mono alkyl ester of the present invention, the carbon number of lipid acid is 6～25, preferred 8～18; The carbon number of alkyl is 1～20, is preferably 1 or 2.
Lipid acid mono alkyl ester among the present invention both can be single lipid acid mono alkyl ester (as Witconol 2301), also can be the mixture of various lipid acid mono alkyl esters.It both can derive from natural animal-plant oil, also can derive from the synthetic fat acid alkyl ester.
Also can add some auxiliary agents in the detergent for ink of the present invention to improve other performance.As add diethanolamine, trolamine, tri-isopropanolamine, benzotriazole nitrogen etc. to improve anti-corrosion inhibition; Add basic cpds such as yellow soda ash, water glass, NaOH to improve detergency ability; Add rubber anti-ageing agent, sterilant, defoamer, frostproofer etc.
The present invention replaces traditional petroleum-based solvent with reproducible lipid acid mono alkyl ester solvent, and a kind of detergent for ink of environmental protection is provided.In addition, the present invention has reached better cleaning performance by the preferably combination to the detergent for ink component, has reduced the consumption of solvent and tensio-active agent simultaneously.Advantages such as detergent for ink of the present invention has that preparation is simple, cost is low, emulsion-stabilizing, cleansing power are strong, it is specially adapted to the cleaning of printing-ink.
Embodiment
Further specify the present invention by the following examples.The used medicine abbreviated list of the present invention is as follows:
| T-20 | Anhydrous sorbitol laurate Soxylat A 25-7 |
| T-60 | The Span60 Soxylat A 25-7 |
| T-80 | The sorbitan monooleate Soxylat A 25-7 |
| AEO-9 | Aliphatic alcohol polyethenoxy (9) ether |
| Peregal-O | Fatty alcohol-polyoxyethylene ether |
| EL-40 | Polyoxyethylenated castor oil |
| AE-15 | Polyoxyethylene oleic acid ester |
| ?LAS | Sodium dodecylbenzene sulfonate |
| ?MES | The Uniphat A60 sodium sulfonate |
Embodiment 1
The quality of each component of clean-out system is as follows:
| Title | Consumption (g) |
| The Oleum Gossypii semen methyl esters | 20 |
| T-80 | 12 |
| LAS | 3 |
| Propyl carbinol | 5 |
| Water | 100 |
Preparation method: at room temperature, Oleum Gossypii semen methyl esters, T-80, propyl carbinol are under agitation mixed, make the A phase; LAS is mixed and made into B mutually with water.Then under agitation, B progressively join mutually A mutually in, restir 30 minutes obtains the clean-out system emulsion.
Embodiment 2
The quality of each component of clean-out system is as follows:
| Title | Consumption (g) |
| Rapeseed methylester | 20 |
| T-80 | 12 |
| Peregal-0 | 5 |
| LAS | 3 |
| Propyl carbinol | 5 |
| Water | 100 |
Preparation method: at room temperature, rapeseed methylester, T-80, peregal-0, propyl carbinol are under agitation mixed, make the A phase; LAS is mixed and made into B mutually with water.Then under agitation, A progressively join mutually B mutually in, restir 30 minutes obtains faint yellow transparent clean-out system.
Embodiment 3
The quality of each component of clean-out system is as follows:
| Title | Consumption (g) |
| The Oleum Gossypii semen methyl esters | 20 |
| T-80 | 12 |
| AE-15 | 2 |
| LAS | 3 |
| Propyl carbinol | 5 |
| Water | 100 |
Preparation method: at room temperature, Oleum Gossypii semen methyl esters, T-80, AE-15, propyl carbinol are under agitation mixed, make the A phase; LAS is mixed and made into B mutually with water.Then under agitation, B progressively join mutually A mutually in, restir 30 minutes obtains the clean-out system emulsion.
Embodiment 4
The quality of each component of clean-out system is as follows:
| Title | Consumption (g) |
| The Oleum Gossypii semen methyl esters | 20 |
| T-80 | 12 |
| MES | 3 |
| Propyl carbinol | 5 |
| Water | 100 |
Preparation method: at room temperature, Oleum Gossypii semen methyl esters, T-80, propyl carbinol are under agitation mixed, make the A phase; MES is mixed and made into B mutually with water.Then under agitation, B progressively join mutually A mutually in, restir 30 minutes obtains the clean-out system emulsion.
Embodiment 5
The quality of each component of clean-out system is as follows:
| Title | Consumption (g) |
| The Oleum Gossypii semen methyl esters | 20 |
| T-80 | 12 |
| AE-15 | 2 |
| Peregal-0 | 5 |
| LAS | 3 |
| Propyl carbinol | 5 |
| Water | 100 |
The preparation method: above compound is all added in the 500ml Erlenmeyer flask, and hand shaken is 5 minutes then, obtains faint yellow transparent clean-out system.
Embodiment 6
The quality of each component of clean-out system is as follows:
| Title | Consumption (g) |
| The Oleum Gossypii semen methyl esters | 20 |
| T-80 | 12 |
| AE-15 | 2 |
| Peregal-O | 5 |
| LAS | 2.8 |
| Sodium laurylsulfonate | 0.2 |
| Propyl carbinol | 5 |
| Water | 100 |
The preparation method: above compound is all added in the 500ml Erlenmeyer flask, and hand shaken is 5 minutes then, obtains faint yellow transparent clean-out system.
Embodiment 7
The quality of each component of clean-out system is as follows:
| Title | Consumption (g) |
| The Oleum Gossypii semen methyl esters | 20 |
| T-80 | 12 |
| AE-15 | 2 |
| Peregal-O | 5 |
| MES | 2.8 |
| Sodium laurylsulfonate | 0.2 |
| Propyl carbinol | 5 |
| Water | 100 |
The preparation method: above compound is all added in the 500ml Erlenmeyer flask, and hand shaken is 5 minutes then, obtains faint yellow transparent clean-out system.
Embodiment 8
The quality of each component of clean-out system is as follows:
| Title | Consumption (g) |
| The Oleum Gossypii semen methyl esters | 20 |
| T-80 | 12 |
| AE-15 | 2 |
| Peregal-O | 5 |
| MES | 2.5 |
| Sodium laurylsulfonate | 0.5 |
| Propyl carbinol | 3 |
| Water | 100 |
The preparation method: above compound is all added in the 500ml Erlenmeyer flask, and hand shaken is 5 minutes then, obtains faint yellow transparent clean-out system.
Embodiment 9
The quality of each component of clean-out system is as follows:
| Title | Consumption (g) |
| The plam oil ethyl ester | 20 |
| T-60 | 12 |
| Peregal-0 | 10 |
| EL-40 | 2 |
| AE-15 | 1 |
| MES | 3 |
| Sodium laurylsulfonate | 0.2 |
| Isohexyl alcohol | 3 |
| Water | 180 |
The preparation method: all substances are all added in the 500ml Erlenmeyer flask, and hand shaken is 5 minutes then, obtains faint yellow transparent clean-out system.
Embodiment 10
The quality of each component of clean-out system is as follows:
| Nomenclature of drug | Consumption (g) |
| The sewer oil methyl esters | 10 |
| T-20 | 12 |
| AEO-9 | 10 |
| AE-15 | 3 |
| MES | 3 |
| Sodium laurylsulfonate | 0.8 |
| Propyl alcohol | 3 |
| Water | 200 |
The preparation method: all substances are all added in the 500ml Erlenmeyer flask, and hand shaken is 5 minutes then, obtains faint yellow transparent clean-out system.
Comparative Examples 1
According to USP6,544, the method for embodiment 1 prepares clean-out system among the 348B1.
Embodiment 11
The clean-out system of Comparative Examples 1 and embodiment 1～10 gained is carried out the contrast of detersive efficiency, and test method is as follows: the detergent for ink detersive efficiency is measured with mass analysis.Printing ink is applied on the stainless steel metal thin slice of certain mass, dries under the state of nature.Steel disc is placed the beaker that fills clean-out system, after soaking 5 minutes under 25 ℃, at the uniform velocity vibrated again 5 minutes.Take out steel disc, dry, weigh.The clean-out system detersive efficiency is determined with following formula:
Detersive efficiency=(W1-W2)/(W1-W0) 100%
In the formula: W1---wash the quality of header board, g
W2---wash the quality of back plate, g
W0---tabula rasa quality, g
| Clean-out system | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Detersive efficiency/% | 86.2 | 89.2 | 87.8 | 88.0 | 93.2 |
| Clean-out system | Embodiment 6 | Embodiment 7 | Embodiment 8 | Embodiment 9 | Embodiment 10 |
| Detersive efficiency/% | 93.4 | 97.8 | 98.2 | 97.2 | 95.4 |
| Clean-out system | Comparative Examples 1 | ||||
| Detersive efficiency/% | 83.4 |
Example 1,2,3 and 5 obviously exists synergistic effect as can be seen in the table between polyoxyethylene sorbitan fatty acid ester, fatty alcohol-polyoxyethylene ether and the polyoxyethylene carboxylate, has strengthened cleansing power; Embodiment 4,6,7 and 8 as can be seen, the best of breed of anion surfactant is lipid acid mono alkyl ester sulfonate and alkylsulfonate; Embodiment 9 and 10 when the water-content of detergent for ink is 80% (quality) left and right sides, still can keep cleansing power preferably as can be seen.
Claims (7)
1. detergent for ink, its composition (quality %) comprising:
Water soluble nonionic surfactant 5～15;
Anion surfactant 1～5;
Cosurfactant 1～5;
Lipid acid mono alkyl ester 3～20;
Water 65～85;
Wherein, water soluble nonionic surfactant is the combination of polyoxyethylene sorbitan fatty acid ester, fatty alcohol-polyoxyethylene ether and polyoxyethylene carboxylate, and three's mass ratio is 2～8: 1～5: 1; Anion surfactant is selected from one or more in alkylsulfonate, alkylbenzene sulfonate, lipid acid mono alkyl ester sulfonate and the fatty alcohol polyoxyethylene ether sulfate.
2. according to the described detergent for ink of claim 1, it is characterized in that in the fatty alcohol-polyoxyethylene ether molecule that ethoxy structural unit number is 8～20.
3. according to the described detergent for ink of claim 1, it is characterized in that anion surfactant is the combination of lipid acid mono alkyl ester sulfonate and alkylsulfonate, the mass ratio of the two is 2～20: 1.
4. according to the described detergent for ink of claim 1, it is characterized in that in the lipid acid mono alkyl ester that the carbon number of lipid acid is 6～25.
5. according to the described detergent for ink of claim 1, it is characterized in that cosurfactant is one or more in monohydroxy-alcohol, polyvalent alcohol and the alcohol ether.
6. according to the described detergent for ink of claim 5, it is characterized in that cosurfactant is one or more in the monohydroxy-alcohol of C3～C8.
7. according to the described detergent for ink of claim 1, the mass ratio that it is characterized in that water soluble nonionic surfactant and anion surfactant is 2～12: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101774211A CN101434764B (en) | 2007-11-15 | 2007-11-15 | Printing ink cleaning agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101774211A CN101434764B (en) | 2007-11-15 | 2007-11-15 | Printing ink cleaning agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101434764A CN101434764A (en) | 2009-05-20 |
| CN101434764B true CN101434764B (en) | 2010-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101774211A Active CN101434764B (en) | 2007-11-15 | 2007-11-15 | Printing ink cleaning agent |
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| CN101434764A (en) | 2009-05-20 |
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