CN110129138B - Cleaning liquid composition for fountain solution circulating system of printing machine - Google Patents
Cleaning liquid composition for fountain solution circulating system of printing machine Download PDFInfo
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- CN110129138B CN110129138B CN201910347143.2A CN201910347143A CN110129138B CN 110129138 B CN110129138 B CN 110129138B CN 201910347143 A CN201910347143 A CN 201910347143A CN 110129138 B CN110129138 B CN 110129138B
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- agent
- fountain solution
- sodium
- water
- circulating system
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- 238000007639 printing Methods 0.000 title abstract description 60
- 238000004140 cleaning Methods 0.000 title abstract description 41
- 239000000203 mixture Substances 0.000 title abstract description 13
- 239000007788 liquid Substances 0.000 title abstract description 6
- 239000003795 chemical substances by application Substances 0.000 abstract description 97
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 59
- KEZYHIPQRGTUDU-UHFFFAOYSA-N 2-[dithiocarboxy(methyl)amino]acetic acid Chemical compound SC(=S)N(C)CC(O)=O KEZYHIPQRGTUDU-UHFFFAOYSA-N 0.000 abstract description 11
- 239000003755 preservative agent Substances 0.000 abstract description 11
- 230000002335 preservative effect Effects 0.000 abstract description 11
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 abstract description 11
- 239000004299 sodium benzoate Substances 0.000 abstract description 11
- 235000010234 sodium benzoate Nutrition 0.000 abstract description 11
- 235000019832 sodium triphosphate Nutrition 0.000 abstract description 10
- 229940048842 sodium xylenesulfonate Drugs 0.000 abstract description 10
- QUCDWLYKDRVKMI-UHFFFAOYSA-M sodium;3,4-dimethylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1C QUCDWLYKDRVKMI-UHFFFAOYSA-M 0.000 abstract description 10
- 239000002253 acid Substances 0.000 abstract description 8
- 239000004094 surface-active agent Substances 0.000 abstract description 8
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 7
- 239000003899 bactericide agent Substances 0.000 abstract description 7
- 230000002308 calcification Effects 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 65
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 11
- -1 dodecyl ethoxy sulfobetaine Chemical compound 0.000 description 8
- 238000013329 compounding Methods 0.000 description 7
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 5
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 5
- 239000001630 malic acid Substances 0.000 description 5
- 235000011090 malic acid Nutrition 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- JBIROUFYLSSYDX-UHFFFAOYSA-M benzododecinium chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 JBIROUFYLSSYDX-UHFFFAOYSA-M 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229940117986 sulfobetaine Drugs 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000012459 cleaning agent Substances 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007645 offset printing Methods 0.000 description 3
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- KHSLHYAUZSPBIU-UHFFFAOYSA-M benzododecinium bromide Chemical compound [Br-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 KHSLHYAUZSPBIU-UHFFFAOYSA-M 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- WFJFGMLKAISFOZ-UHFFFAOYSA-N 1-amino-3-iminourea Chemical compound NN=C(O)N=N WFJFGMLKAISFOZ-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 1
- QFOHBWFCKVYLES-UHFFFAOYSA-N Butylparaben Chemical compound CCCCOC(=O)C1=CC=C(O)C=C1 QFOHBWFCKVYLES-UHFFFAOYSA-N 0.000 description 1
- RUPBZQFQVRMKDG-UHFFFAOYSA-M Didecyldimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCC[N+](C)(C)CCCCCCCCCC RUPBZQFQVRMKDG-UHFFFAOYSA-M 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920000289 Polyquaternium Polymers 0.000 description 1
- ITFDXZLLAMYMBM-UHFFFAOYSA-N [Br-].[NH4+].[NH4+].C(CCCCCCCCCCC)C(=CC)C.[Br-] Chemical compound [Br-].[NH4+].[NH4+].C(CCCCCCCCCCC)C(=CC)C.[Br-] ITFDXZLLAMYMBM-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 150000003863 ammonium salts Chemical group 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- CADWTSSKOVRVJC-UHFFFAOYSA-N benzyl(dimethyl)azanium;chloride Chemical compound [Cl-].C[NH+](C)CC1=CC=CC=C1 CADWTSSKOVRVJC-UHFFFAOYSA-N 0.000 description 1
- OCBHHZMJRVXXQK-UHFFFAOYSA-M benzyl-dimethyl-tetradecylazanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 OCBHHZMJRVXXQK-UHFFFAOYSA-M 0.000 description 1
- 229960003237 betaine Drugs 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- UMGXUWVIJIQANV-UHFFFAOYSA-M didecyl(dimethyl)azanium;bromide Chemical compound [Br-].CCCCCCCCCC[N+](C)(C)CCCCCCCCCC UMGXUWVIJIQANV-UHFFFAOYSA-M 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011165 process development Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000012224 working solution Substances 0.000 description 1
- 239000002888 zwitterionic surfactant Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/38—Cationic compounds
- C11D1/65—Mixtures of anionic with cationic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/88—Ampholytes; Electroneutral compounds
- C11D1/94—Mixtures with anionic, cationic or non-ionic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/06—Phosphates, including polyphosphates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/08—Silicates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2086—Hydroxy carboxylic acids-salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/34—Organic compounds containing sulfur
- C11D3/3418—Toluene -, xylene -, cumene -, benzene - or naphthalene sulfonates or sulfates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/34—Organic compounds containing sulfur
- C11D3/3472—Organic compounds containing sulfur additionally containing -COOH groups or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
- C11D1/146—Sulfuric acid esters
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/38—Cationic compounds
- C11D1/62—Quaternary ammonium compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/88—Ampholytes; Electroneutral compounds
- C11D1/92—Sulfobetaines ; Sulfitobetaines
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
The invention discloses a cleaning liquid composition for a fountain solution circulating system of a printing machine, and particularly relates to a composition of a cleaning liquid A agent and a cleaning liquid B agent for the fountain solution circulating system of the printing machine. The cleaning solution for the fountain solution circulating system of the printing machine comprises an agent A and an agent B, and is calculated according to the mass-to-volume ratio; the agent A comprises 10-20% of sodium metasilicate pentahydrate, 1-10% of sodium tripolyphosphate, 2-6% of sodium xylene sulfonate, 1-5% of preservative and the balance of water; the B agent comprises 1-5% of acid, 0.5-1.5% of sodium benzoate, 3-15% of surfactant, 0.2-2% of preservative, 0.1-1% of bactericide and the balance of water. The composition can save water resources, effectively remove ink, paper scraps, mould or calcification deposited by a press fountain solution circulating system, simplify operation steps, save time, reduce the pH value of the press fountain solution circulating system to a value suitable for a fountain solution, and effectively prevent the pH value of the fountain solution from deviating when the fountain solution is subsequently used.
Description
Technical Field
The invention relates to a cleaning solution composition for a fountain solution circulating system of a printing machine, in particular to a composition of a cleaning solution A agent and a cleaning solution B agent for the fountain solution circulating system of the printing machine.
Background
Printing machines are used as machines for printing characters and images, and modern printing machines generally comprise mechanisms such as plate loading, inking, stamping, paper conveying and the like. Printers are classified as letterpress, flatbed, gravure, and orifice printers. World printing machines have evolved significantly since the 80's of the 20 th century. For more than 20 years, the development of printing machines has gone through three stages: the first stage is the beginning of the 80 s to the 90 s of the 20 th century, which is a prosperous period of offset printing process development. The maximum printing speed of the sheet-fed offset printing press in this period was 10000 prints/hour. In this period, many manufacturers can manufacture the sheet reversing mechanism for double-sided printing, in addition to the monochrome and two-color machines. The second stage was the first 90 th century to the end of the 20 th century. In the 90 s of the 20 th century, the design and manufacture of printing machines in the world takes a single-sheet offset press as a mark and has advanced a great step forward. Compared with the model in the first stage, the speed of the new model is further improved from 10000 prints/hour to 15000 prints/hour, and the pre-adjustment time before printing is greatly shortened from about 2 hours in the first stage to about 15 minutes. In the third development stage of printing machinery since the 21 st century, some models of sheet-fed offset printing machines can achieve 17000-18000 prints/hour, but manufacturers do not strive to improve the maximum printing speed of the printing machine, but further shorten the preparation time before printing and the time of replacing a movable part by applying information technology, and strive to improve the production efficiency.
Ink balance is a critical part of the printing process. During the use of "water", i.e., fountain solution, the size of the "water", i.e., the concentration and amount of fountain solution, is more important, and the cleaning of the entire dampening cycle is often neglected. Due to the recycling of the fountain solution, components in ink, paper and other chemical products inevitably enter a circulating system, and the mixed dirt is accumulated (particularly in the inner part of a pipeline) for a long time, so that the circulating system (mainly a water tank) of the fountain solution is turbid, and bacteria in the pipeline grow and emit peculiar smell, thereby seriously affecting the printing quality. The circulating system cannot be cleaned thoroughly by using clean water, the conventional cleaning method can use alcohol at present, but ink, paper scraps, mould or calcified matters deposited in the printing circulating system are difficult to clean, or an alkaline cleaning agent can be poured for cleaning, but the cleaning method needs to waste a large amount of water to repeatedly wash in the cleaning process so as to remove the change of the alkaline cleaning agent on the pH value of the printing machine, even if the alkaline cleaning agent is used, the pH value of fountain solution is still easy to deviate when the printing machine is used, the printing effect is seriously influenced, and the phenomenon of printing paper damage can also occur.
Disclosure of Invention
In view of the above technical problems, the invention provides a cleaning solution composition for a fountain solution circulating system of a printing machine, which specifically comprises an agent A and an agent B, wherein the agent A can effectively remove ink, paper scraps, mold or calcification deposited by the printing circulating system, and the agent B can reduce the pH value of the printing machine to a value suitable for the fountain solution, so that the deviation of the pH value of the fountain solution during subsequent use of the fountain solution is effectively prevented.
The cleaning solution composition for the fountain solution circulating system of the printing machine comprises an agent A and an agent B which are calculated according to the mass-to-volume ratio;
the agent A comprises 10-20% of sodium metasilicate pentahydrate, 1-10% of sodium tripolyphosphate, 2-6% of sodium xylene sulfonate, 1-5% of preservative and the balance of water;
the B agent comprises 1-5% of acid, 0.5-1.5% of sodium benzoate, 3-15% of surfactant, 0.2-2% of preservative, 0.1-1% of bactericide and the balance of water.
In the agent A, sodium metasilicate pentahydrate is white crystalline powder, is easy to dissolve in water, can effectively remove ink and paper scraps which are difficult to remove in a printing machine, and has an anti-corrosion protection effect on printing machine materials; the sodium tripolyphosphate is easily dissolved in water, and has the functions of emulsification, dispersion and compatibilization; sodium xylene sulfonate is used as solubilizer, bactericide and homogenizing agent.
The agent A is a strong alkaline solution, can effectively and strongly remove various printing ink, paper scraps, mould or calcification in a fountain solution circulating system of the printing machine, and effectively protects the fountain solution circulating system of the printing machine due to the corrosion resistance of the sodium metasilicate pentahydrate.
In the agent B, acid is used as a main PH regulating substance to participate in acid-base neutralization reaction, so that the PH value of a fountain solution circulating system is kept at about 5 stably; the surfactant further cleans the grease in the fountain solution circulating system.
Further, by mass to volume ratio;
the agent A comprises 11-18% of sodium metasilicate pentahydrate, 3-7% of sodium tripolyphosphate, 3-4.5% of sodium xylene sulfonate, 1.5-3% of preservative and the balance of water;
the B agent comprises 2-5% of acid, 1-1.5% of sodium benzoate, 6-10% of surfactant, 0.6-1% of preservative, 0.1-1% of bactericide and the balance of water.
Further, by mass to volume ratio;
the agent A comprises 11-15% of sodium metasilicate pentahydrate, 3-5% of sodium tripolyphosphate, 3-3.8% of sodium xylene sulfonate, 1.5-2.5% of preservative and the balance of water;
the B agent comprises 2-5% of acid, 1-1.5% of sodium benzoate, 6-10% of surfactant, 0.6-1% of preservative, 0.6-1% of bactericide and the balance of water.
The preservative is selected from one or more of cason, sodium benzoate or butyl p-hydroxybenzoate.
The acid is selected from one or more of malic acid, citric acid, phosphoric acid or sodium citrate.
The bactericide is selected from one or more of dodecyl dimethyl benzyl ammonium chloride, dodecyl dimethyl benzyl ammonium bromide, tetradecyl dimethyl benzyl ammonium chloride or polyquaternium. The polyquaternary ammonium salt is selected from one or more of bis-decyl dimethyl ammonium bromide, bis-decyl dimethyl ammonium chloride, dimethyl benzyl ammonium chloride or bis (dodecyl dimethyl) ethylene diammonium bromide.
The surfactant is selected from zwitterionic surfactant, specifically one or more of dodecyl ethoxy sulfobetaine, dodecyl sulfopropyl betaine, tetradecylamidopropyl hydroxypropyl sulfobetaine or decyl hydroxypropyl sulfobetaine. The invention selects several surfactants, and the solution has good performance no matter whether the solution is acidic or alkaline in the use process of the cleaning solution composition.
The agent A has a pH of 10-13, and the agent B has a pH of 0.6-2.
The operation steps of the composition in the using process comprise:
a) adding the agent A into a fountain solution circulating system of a printing machine according to the proportion of adding 50-100 ml of the agent A into each liter of water, and circulating for 30-45 minutes;
b) adding the agent B into a fountain solution circulating system according to the volume ratio of the agent A to the agent B of 1: 1-3, circulating for 10-20 minutes, emptying the fountain solution circulating system, and cleaning for 2-5 times by using clear water;
c) the PH of the fountain solution circulation system was tested to be 4.5-5.5.
Preferably, the pH value of the fountain solution circulation system in step c) is 4.9-5.2.
The fountain solution circulating system comprises a water tank and a pipeline connected with the water tank.
In conclusion, the invention has the following beneficial effects:
1. the cleaning solution composition can clean the whole fountain solution circulating system including a hose; when the fountain solution is used, the fountain solution is directly added into the working solution of the fountain solution circulating system without discharging stock solution, the agent A firstly digs out residues and emulsifies residual ink, and the agent B impacts and re-acidifies the circulating system, so that the possibility of pollution of new fountain solution is effectively reduced.
2. When a fountain solution circulating system of a printing machine is cleaned, various deposited printing ink, paper scraps, mould or calcification substances in the printing machine can be dissolved without adding hot water, and the step of heating water is omitted.
3. In the process of cleaning a fountain solution circulating system of the printing machine, all parts of the printing machine do not need to be disassembled, and the printing machine can be cleaned according to step operation.
4. By using the cleaning solution, the pH value in the water tank is maintained at about 5, and the fountain solution can be smooth in subsequent printing.
5. The cleaning liquid of the invention has the advantages that the time of the whole cleaning process is greatly shortened compared with the conventional time, and the cleaning process is simple and easy to operate.
Detailed Description
Examples 1 to 9
The agent A comprises: sodium metasilicate pentahydrate, sodium tripolyphosphate, sodium xylene sulfonate, kasong and water;
the agent B comprises: malic acid, sodium benzoate, sodium dodecyl sulfate, kasong, dodecyl dimethyl benzyl ammonium chloride and water.
The using steps comprise:
a) adding the agent A into a fountain solution circulating system of a printing machine according to the proportion of adding m milliliters of the agent A into each liter of water, and circulating for n minutes;
b) adding the agent B into the fountain solution circulating system according to the volume ratio p: q of the agent A to the agent B, emptying the fountain solution circulating system after circulating for k minutes, and cleaning for x times by using clear water;
c) the fountain solution circulation system was tested for PH g.
Table 1 shows the formulation of the agent A in examples 1 to 9
Table 2 shows the compounding ratios of the agents B in examples 1 to 9
Table 3 shows the parameters during the operation of examples 1 to 9
The printing machine is cleaned by the operation method, in the cleaning process, the agent A is used as alkali liquor, ink, paper scraps, mould or calcium attached to the printing machine is removed powerfully, the cleaning time is 30 minutes, after the agent A is cleaned circularly, water does not need to be led out, the agent B is directly added, the agent B is discharged after being circulated for 10 to 15 minutes, clean water is led in again for cleaning, the clean water is repeatedly and circularly washed for several times, under the general condition, the clean water is cleaned for 2 to 4 times, the cleanliness of a circulating system of the printing machine which needs to be cleaned is checked, and the pH value is tested again. The result of the test after the operation was that the circulation system was clean and the pH was maintained at about 5.
Examples 10 to 18
The agent A comprises: sodium metasilicate pentahydrate, sodium tripolyphosphate, sodium xylene sulfonate, sodium benzoate and water;
the agent B comprises: malic acid, sodium benzoate, sodium dodecyl sulfate, kasong, dodecyl dimethyl benzyl ammonium chloride and water.
The using steps comprise:
a) adding the agent A into a fountain solution circulating system of a printing machine according to the proportion of adding m milliliters of the agent A into each liter of water, and circulating for n minutes;
b) adding the agent B into the fountain solution circulating system according to the volume ratio p: q of the agent A to the agent B, emptying the fountain solution circulating system after circulating for k minutes, and cleaning for x times by using clear water;
c) the fountain solution circulation system was tested for PH g.
Table 4 shows the compounding ratios of the agents A in examples 10 to 18
Table 5 shows the compounding ratios of the agents B in examples 10 to 18
Table 6 shows the parameters during the operation of examples 10 to 18
The experiments show that the component and the proportion of the agent A provided by the invention can form a stable and strong alkaline solvent, effectively remove various substances such as printing ink, paper scraps, mould or calcification and the like which are deposited in a water-insoluble way, and then add the agent B with a specific proportion to neutralize the agent A, so that the pH value approaches to a better value when the fountain solution is used.
Examples 19 to 27
The agent A comprises: sodium metasilicate pentahydrate, sodium tripolyphosphate, sodium xylene sulfonate, kasong and water;
the agent B comprises: malic acid, phosphoric acid, sodium benzoate, sodium dodecyl sulfate, carbazone, dodecyl dimethyl benzyl ammonium bromide and water.
The using steps comprise:
a) adding the agent A into a fountain solution circulating system of a printing machine according to the proportion of adding m milliliters of the agent A into each liter of water, and circulating for n minutes;
b) adding the agent B into the fountain solution circulating system according to the volume ratio p: q of the agent A to the agent B, emptying the fountain solution circulating system after circulating for k minutes, and cleaning for x times by using clear water;
c) the fountain solution circulation system was tested for PH g.
Table 7 shows the compounding ratios of the agents A in examples 19 to 27
Table 8 shows the compounding ratios of the agents B in examples 19 to 27
Table 9 shows the parameters during the operation of examples 19 to 27
The printing machine is cleaned by the operation method, in the cleaning process, the agent A is used as alkali liquor, ink, paper scraps, mould or calcium attached to the printing machine is removed powerfully, the cleaning time is 30 minutes, after the agent A is cleaned circularly, water does not need to be led out, the agent B is directly added, the agent B is discharged after being circulated for 10 to 15 minutes, clean water is led in again for cleaning, the clean water is repeatedly and circularly washed for several times, under the general condition, the clean water is cleaned for 2 to 4 times, the cleanliness of a circulating system of the printing machine which needs to be cleaned is checked, and the pH value is tested again. The result of the test after the operation was that the circulation system was clean and the pH was maintained at about 5.
Examples 19-27 it is known to add 50-65 ml of agent A per litre of water, followed by 1: 1-1.5 of agent B, and performing circulating cleaning, wherein the final measured pH value is 5-5.3.
During cleaning, 50 ml of the agent A is added into each liter of water, and then 1:1 and 1: 1.2, carrying out neutralization reaction after the agent B is mixed according to the proportion, then discharging sewage, and when introducing clear water for cleaning, wherein the volume ratio of the agent A to the agent B is 1:1, the pH value is greater than the volume ratio of 1: a PH of 1.2, indicating the addition of acid, lowered the PH in the fountain solution circulation system (water tank). Namely, the PH value of a fountain solution circulating system is kept at about 5 while the aims of cleaning and saving water are fulfilled by adjusting the volume ratio of the agent A to the agent B.
Examples 28 to 36
The agent A comprises sodium metasilicate pentahydrate, sodium tripolyphosphate, sodium xylene sulfonate, kasong and water;
the agent B comprises malic acid, sodium benzoate, dodecyl ethoxy sulfobetaine, karson, dodecyl dimethyl benzyl ammonium chloride and water.
The using steps comprise:
a) adding the agent A into a fountain solution circulating system of a printing machine according to the proportion of adding m milliliters of the agent A into each liter of water, and circulating for n minutes;
b) adding the agent B into the fountain solution circulating system according to the volume ratio p: q of the agent A to the agent B, emptying the fountain solution circulating system after circulating for k minutes, and cleaning for x times by using clear water;
c) the fountain solution circulation system was tested for PH g.
Table 10 shows the compounding ratios of the agents A in examples 28 to 36
Table 11 shows the compounding ratios of the agents B in examples 28 to 36
Table 12 shows the parameters during the operation of examples 28 to 36
It can be seen from the experiments of examples 28 to 36 that 50 ml of the agent a is added to each liter of water to clean the printing press, in the cleaning process, the agent a is used as an alkali solution to strongly remove ink, paper dust, mold or calcium attached to the printing press, the cleaning time is only 30 minutes, after the agent a is circularly cleaned, the agent B is directly added without leading out water, the agent B is discharged after circulating for 10 to 15 minutes, clean water is then introduced to clean the printing press, the clean water is repeatedly and circularly washed for several times, in general, the clean water is cleaned for 2 to 4 times, the cleanliness of a circulating system of the printing press which needs to be cleaned is checked, and the PH value is tested. The result of the test after the operation was that the circulation system was clean and the pH was maintained at about 5.
A large number of experiments show that the cleaning effect is better in proportion:
the agent A comprises: 11-15% of sodium metasilicate pentahydrate, 3-5% of sodium tripolyphosphate, 3-3.8% of sodium xylene sulfonate, 1.5-2.5% of preservative and the balance of water;
the agent B comprises: 2-5% of acid, 1-1.5% of sodium benzoate, 6-10% of surfactant, 0.6-1% of preservative, 0.6-1% of bactericide and the balance of water.
The components of the agent A and the agent B in the range can keep a relatively stable pH value (4.9-5.2) in a fountain solution water tank after a fountain solution circulating system is cleaned according to the operation method of the invention, and are beneficial to long-term effectiveness of the fountain solution in the subsequent printing process.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (4)
1. The cleaning liquid composition for the fountain solution circulating system of the printing machine is characterized by comprising an agent A and an agent B in percentage by mass;
the agent A comprises 10-20% of sodium metasilicate pentahydrate, 1-10% of sodium tripolyphosphate, 2-6% of sodium xylene sulfonate, 1-5% of preservative and the balance of water;
the agent B comprises 1-5% of acid, 0.5-1.5% of sodium benzoate, 3-15% of surfactant, 0.2-2% of preservative, 0.1-1% of bactericide and the balance of water;
wherein the antiseptic is selected from one or more of cason, sodium benzoate or butyl p-hydroxybenzoate;
the acid is selected from one or more of malic acid, citric acid or phosphoric acid;
the bactericide is selected from one or more of dodecyl dimethyl benzyl ammonium chloride, dodecyl dimethyl benzyl ammonium bromide, tetradecyl dimethyl benzyl ammonium chloride or polyquaternary ammonium salt;
the surfactant is selected from one or more of sodium dodecyl sulfate, sodium lauryl sulfate, dodecyl ethoxy sulfobetaine, dodecyl sulfopropyl betaine, tetradecyl amidopropyl hydroxypropyl sulfobetaine or decyl hydroxypropyl sulfobetaine;
wherein, the PH value of the agent A is 10-13, and the PH value of the agent B is 0.6-2;
the operation steps comprise:
a) adding the agent A into a fountain solution circulating system of a printing machine according to the proportion of adding 50-100 ml of the agent A into each liter of water, and circulating for 30-45 minutes;
b) adding the agent B into a fountain solution circulating system according to the volume ratio of the agent A to the agent B of 1: 1-3, circulating for 10-20 minutes, emptying the fountain solution circulating system, and cleaning for 2-5 times by using clear water;
c) the PH of the fountain solution circulation system was tested to be 4.5-5.5.
2. A cleaning liquid composition for a fountain solution circulation system of a printing press according to claim 1, wherein the cleaning liquid composition comprises, in mass percent;
the agent A comprises 11-18% of sodium metasilicate pentahydrate, 3-7% of sodium tripolyphosphate, 3-4.5% of sodium xylene sulfonate, 1.5-3% of preservative and the balance of water;
the B agent comprises 2-5% of acid, 1-1.5% of sodium benzoate, 6-10% of surfactant, 0.6-1% of preservative, 0.1-1% of bactericide and the balance of water.
3. A cleaning liquid composition for a fountain solution circulation system of a printing press according to claim 1, wherein the cleaning liquid composition comprises, in mass percent;
the agent A comprises 11-15% of sodium metasilicate pentahydrate, 3-5% of sodium tripolyphosphate, 3-3.8% of sodium xylene sulfonate, 1.5-2.5% of preservative and the balance of water;
the B agent comprises 2-5% of acid, 1-1.5% of sodium benzoate, 6-10% of surfactant, 0.6-1% of preservative, 0.6-1% of bactericide and the balance of water.
4. The cleaning liquid composition for a fountain solution circulating system of a printing press according to claim 1, wherein the PH of the fountain solution circulating system in step c) is 4.9 to 5.2.
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Address after: 1028, Building 4, Hongfa Field Garden, No. 1004 Chuangye Road, Haiwang Community, Xin'an Street, Bao'an District, Shenzhen City, Guangdong Province 518000 Patentee after: Yonglian Printing Consumables (Shenzhen) Co.,Ltd. Country or region after: China Address before: 518100 factory building of Buyong A-2 Industrial Zone, Shajing street, Bao'an District, Shenzhen City, Guangdong Province (4) Patentee before: Yonglian Printing Consumables (Shenzhen) Co.,Ltd. Country or region before: China |