CN101629131B - Silk screen cleaning agent for silk screen printing - Google Patents
Silk screen cleaning agent for silk screen printing Download PDFInfo
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- CN101629131B CN101629131B CN2008100405939A CN200810040593A CN101629131B CN 101629131 B CN101629131 B CN 101629131B CN 2008100405939 A CN2008100405939 A CN 2008100405939A CN 200810040593 A CN200810040593 A CN 200810040593A CN 101629131 B CN101629131 B CN 101629131B
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Abstract
The invention relates to a silk screen cleaning agent for silk screen printing, which consists of 100 portions of aqueous solution and 0.01 to 10 portions of phosphoric acid containing ionic compound in portion by weight, wherein the aqueous solution is prepared by mixing 12 to 50 percent of water-soluble organic solvent and 50 to 88 percent of deionized water in percentage by weight. Compared with the prior art, the silk screen cleaning agent can prevent iron ions from being separated out from the surface of a stainless steel silk screen, prevent dark reactions of diazonium series photosensitive materials, persistently obtain the most suitable picture features, and keep the hydrophilic property on the surface of stainless steel silk screen, so the adherence of the photosensitive material consisting of the silk screen cleaning agent and water-soluble resin is improved, and subtle patterns of the plate-making process step and the printing process step are prevented from being broken off.
Description
Technical field
The present invention relates to make up the clean-out system of press plate of throwing the net, be specifically related to a kind of relevant scavenging solution that silk screen before the coating sensitive materials is cleaned.
Background technology
Silk screen printing is the plate-making (screen printing plate) of adopting silk screen printing, be printed the print film that formation is made up of printing ink and glued membrane etc. on the surface of body, because it can form trickle figure, and have good production, therefore be used widely at many industrial fields.
Manufacturing field at electronic component, above-mentioned silk screen printing is because of its high precision, and good production and being used, along with this field technology trend in recent years, the size of the component microminiaturization that more becomes, and more and more require more high precision, make finer printed pattern more to high-density.Can make the state of fine printed pattern accurately, be commonly referred to as fine rule, and realize the technology of this fine rule, can be described as the indispensable technology of element size microminiaturization.Be used to make the screen printing of these high-precision electronic components, its silk screen generally all is wire cloths such as stainless steel.
In the plate-making process of making screen printing plate, before the used sensitive materials of coating half tone, in order to remove adherent foreign matter and oil contents such as former process, generally to clean silk screen, but up to now, aspect the cleaning of Stainless Steel Cloth, the cleaning with polyester net does not separate, and adopts the neutral cleaners of selling on the market for the use of silk screen printing silk screen yet.
Can not be to Stainless Steel Cloth plate-making and the simple comparison of polyester net plate-making carrying out, though the good performance of performance aspect the elephant property is being separated in Stainless Steel Cloth plate-making, but, tiny figure comes off when plate-making process and printing easily, the time that can keep its performance from the coating sensitive materials to exposure is short, can not obtain and the equal performance of polyester net plate-making so it is generally acknowledged it in the past.This neighborhood technician has carried out the research of Sharp meaning for it is improved, and the result obtains to draw a conclusion.Because it is hydrophilic that stainless steel surface is originally, when using neutral cleaners, the interfacial agent in the neutral cleaners makes it to become hydrophobic surface with the stainless steel surface epitheliumization.Therefore, lack adherence with the silk screen printing of forming by water soluble resin with sensitive materials.And the sensitization base of the sensitive materials that silk screen printing is used use diazo resin, and the general acidity of diazo resin is all very strong more, so from stainless steel surface, the metal ion that has trace is separated out.The iron ion of separating out can produce dark reaction, to sensitization, particularly the life-span of product is caused detrimentally affect.
Summary of the invention
Purpose of the present invention is exactly the silk screen printing that the comes off silk screen clean-out system that provides the only picture characteristics of a kind of sustainable acquisition for the defective that overcomes above-mentioned prior art existence, can prevent the trickle figure of plate-making process and printing process.
Purpose of the present invention can be achieved through the following technical solutions: a kind of silk screen printing silk screen clean-out system, it is characterized in that, this clean-out system is made up of the aqueous solution of 100 weight parts and the phosphoric acid ionic compound of 0.01～10 weight part, and the described aqueous solution is mixed by the water-miscible organic solvent of 12～50wt% and the deionized water of 50～88wt%.
The described aqueous solution is mixed by the water-miscible organic solvent of 12～45wt% and the deionized water of 55～88wt%.
Described water-miscible organic solvent is in 20 ℃ of water, and solubleness is the compound more than 3%.
Described water-miscible organic solvent is a water-soluble glycol ether, the carbon number that comprises alkyl is 1～5 Trivalin SF carbitol, the carbon number of alkyl is 1～4 carbitol acetate, the carbon number of alkyl is 1～3 cellosolve cellosolve, the carbon number of alkyl is 1～2 cellosolve acetate Cellosolve acetate, other glycol ether, or other glycol ether acetic ester glycol ether acetate.
The carbon number of described alkyl is that 1～5 Trivalin SF carbitol comprises diethylene glycol monomethyl ether, ethyl carbitol, glycol ether one propyl ether, butylcarbitol, diglyme, diethyl carbitol; The carbon number of described alkyl is that 1～4 carbitol acetate comprises diethylene glycol ether acetic ester Diethyleneglycolmonoetyl ether acetate, Diethylene Glycol monobutyl ether acetate Diethyleneglycol monobutyl etheracetate; The carbon number of described alkyl is that 1～3 cellosolve cellosolve comprises methyl glycol, glycol monoethyl ether; The carbon number of described alkyl is that 1～2 cellosolve acetate comprises methyl glycol acetate, ethylene glycol monoethyl ether acetate; Described other glycol ether comprises propylene glycol monomethyl ether, dipropylene glycol monomethyl ether Dipropyleneglycol monomethyl ether, triethylene glycol monomethyl ether Triethyleneglycolmonomethyl ether, tri ethylene glycol ethyl ether, 3-methoxyl group-3-methyl isophthalic acid-butanols 3-Methoxy-3-methyl-1-butanol; Described other glycol ether acetic ester glycol ether acetate comprises propylene glycol monomethyl ether acetic ester Propylene glycol monomethylether acetate, three ethanol monomethyl ether acetic ester Triethylene glycol monoethyl ether acetate, 3-methoxyl group-3-methyl isophthalic acid-butanols acetic ester 3-methyl 3-Methoxy 1-butanol acetate.
Described water-miscible organic solvent is Trivalin SF or carbitol acetate.
Described water-miscible organic solvent is a Trivalin SF.
Described water-miscible organic solvent is diethylene glycol ether, diglyme or diethyl carbitol.
Described phosphoric acid ionic compound is an inorganic phosphate, comprises alkali metal phosphate and alkali earth metal phosphate, and its content is 0.1～5 weight part.
Described alkali metal phosphate comprises pyrroles's ketone acid sodium, pyrroles's ketone acid potassium, tripoly phosphate sodium STPP, Potassium tripolyphosphate; Described alkaline earth salt comprises pyrroles's calcium picrolonate, pyrroles's ketone acid magnesium, pyrroles's ketone acid barium, tripolyphosphate calcium, tripolyphosphate magnesium, tripolyphosphate barium.
Compared with prior art, in the used scavenging solution of the present invention, join the into water-miscible organic solvent of promotion degreasing in right amount, and the surface skin membranization that makes Stainless Steel Cloth, prevent the phosphate ion that metal ion is separated out, thereby can improve the effect that prevents the stainless steel surface oxidation.Wherein, the used polymeric phosphate of the present invention has bigger metal ion blockading effect, even the acid stronger sensitive materials of coating can prevent that also the iron ion of Stainless Steel Wire net surface from separating out.Therefore the dark reaction of diazonium series sensitive materials can be prevented, only picture characteristics can be continued to obtain.And can make its surface keep wetting ability, make it to be improved, can prevent the coming off of trickle figure of plate-making process and printing process with the adherence of the sensitive materials of forming by water soluble resin.
Adopt the keeping quality of the screen printing plate state that clean-out system of the present invention cleans, had only for 2 all left and right sides times usually, but can in one-month period, keep initial performance, and adherence is improved, aspect trickle figure plate-making, the minimizing that comes off of resist.
Embodiment
The invention will be further described below in conjunction with specific embodiment.
Use in the silk screen clean-out system in the relevant silk screen printing of this invention, the content of water-miscible organic solvent is in (weight) below 12%, water surpasses 88% (weight), just the possibility degreasing is incomplete, problems such as bad can appear applying in working procedure of coating subsequently, water-miscible organic solvent is more than 50%, water was less than 50% o'clock (weight), mineral compound for composition-phosphate ion of dissolving tunicle equably, but need mineral acid as solvation, cause the p H value of clean-out system to descend, become the reason of bad phenomenon such as corrosion Stainless Steel Cloth.What the present invention selected for use as water-miscible organic solvent is in 20 ℃ water, and solubleness is the compound more than 3%, can be water-soluble glycol ether.And water-soluble glycol ether has the carbon number of alkyl is 1～5 Trivalin SF carbitol, diethylene glycol monomethyl ether for example, ethyl carbitol, glycol ether one propyl ether, butylcarbitol, diglyme, diethyl carbitol etc.; The carbon number of alkyl is 1～4 carbitol acetate, diethylene glycol ether acetic ester Diethyleneglycol monoetyl ether acetate for example, Diethylene Glycol monobutyl ether acetate Diethyleneglycolmonobutyl ether acetate etc.; The carbon number of alkyl is 1～3 cellosolve cellosolve, methyl glycol for example, glycol monoethyl ether etc.; The carbon number of alkyl is 1～2 cellosolve acetate Cellosolveacetate, methyl glycol acetate for example, ethylene glycol monoethyl ether acetate etc.; Other glycol ether, propylene glycol monomethyl ether for example, dipropylene glycol monomethyl ether Dipropyleneglycol monomethyl ether, triethylene glycol monomethyl ether Triethyleneglycol monomethyl ether, tri ethylene glycol ethyl ether, 3-methoxyl group-3-methyl isophthalic acid-butanols 3-Methoxy-3-methyl-1-butanol etc.; Other glycol ether acetic ester glycol ether acetate, propylene glycol monomethyl ether acetic ester Propylene glycol monomethylether acetate for example, three ethanol monomethyl ether acetic ester Triethylene glycol monoethyl ether acetate, 3-methoxyl group-3-methyl isophthalic acid-butanols acetic ester 3-methyl 3-Methoxy 1-butanol acetate etc.Wherein reasonable is Trivalin SF carbitol and carbitol acetate Carbitol Acetate, be more preferably Trivalin SF carbitol, that good especially is Diethylene Glycol butyl ether Diethyleneglycol monobutyl ether, diglyme and diethyl carbitol.
In addition, the silk screen printing of this invention contains phosphate ion with the silk screen clean-out system, and this phosphate ion can be from following inorganic salt, phosphoric acid salt [alkaline metal salt (for example, pyrroles's ketone acid sodium, pyrroles's ketone acid potassium, tripoly phosphate sodium STPP, Potassium tripolyphosphate etc.), alkaline earth salt is (for example, pyrroles's calcium picrolonate, pyrroles's ketone acid magnesium, pyrroles's ketone acid barium, tripolyphosphate calcium, tripolyphosphate magnesium, tripolyphosphate barium etc.)] etc., from the angle of economy, more suitable is former sodium phosphate or sodium polyphosphate.The silk screen printing content in the phosphate ion source of silk screen clean-out system, when the total weight of water and above-mentioned water-miscible organic solvent was 100 parts, corresponding weight was 0.01～10.0 part, was preferably 0.1～5.0 part of weight.
Embodiment 1
Silk screen printing is as follows with the formulation example of silk screen clean-out system, and the present invention is not limited to this.
15 parts methyl glycols as water-miscible organic solvent, are mixed in 83 parts the ion exchanged water, add 2 parts sodium tetrapolyphosphate, make it dissolving as embodiment 2 and embodiment 3 employed clean-out systems.
Embodiment 2
By the mechanical machine of throwing the net, to being of a size of the aluminium die casting frame of 320 * 320mm, carry out thickness 64.0 μ m, a yarn of the Stainless Steel Cloth of the textile-like of 325 silk screens is made 2 and is opened the yarn versions.A version in above-mentioned 2 versions, the scavenging solution of allocating with embodiment 1 cleans, and an other version is cleaned with the neutral cleaners of selling on the market (the accurate plate-making throwing net clean-out system MSP of (Kunshan) company limited washing composition in the village).Above-mentioned 2 versions with the accurate plate-making diazonium series photosensitizers SP-9400 of (Kunshan) company limited in the village of selling on the market, form the thick photosensitive plastic film of 15 μ m respectively.Then, prepare the halftone dot image polyester positive photoresist film of 30 lines 30%, the face of positive photoresist film is close on the face of above-mentioned photosensitivity rete, the 3kw Metal-halogen lamp as light source, from the distance of 80cm, is carried out 90 seconds ultraviolet exposure.After the exposure, the flushing of water spray gun makes this edition development, after the warm braw drying, obtains the site printing plate for silk screen printing.Scotch tape is sticked on the face of this printing plate for silk screen printing, wipe 10 thereon back and forth, catch the two ends of scotch tape,, check attached to the net number on the scotch tape quickly with its strip off with nail.The result is shown in table 1 silk screen and sensitive emulsion adhesion test.
Table 1
| Because the state that comes off that scotch tape is peeled off | |
| Use neutral cleaners | 30% comes off |
| Use clean-out system of the present invention | 0% comes off |
Embodiment 3
By the mechanical machine of throwing the net, to being of a size of the aluminium die casting frame of 320 * 320mm, carry out thickness 64.0 μ m, a yarn of the Stainless Steel Cloth of the textile-like of 325 reticulations is made 4 and is opened the yarn versions.In above-mentioned 4 versions, 2 versions are cleaned with the scavenging solution that embodiment 1 allocates, and 2 remaining versions are cleaned with the neutral cleaners of selling on the market (the accurate plate-making throwing net clean-out system MSP of (Kunshan) company limited washing composition in the village).After the cleaning, the diazonium series photosensitizers SP-9400 that makes with accurate (Kunshan) company limited that makes a plate in the village forms the thick photosensitive resin film of 15 μ m on version respectively.These version in humidity 40～50%, under the environment that temperature is 20～50 ℃, is carried out the preservation test of shading state.After with the neutral cleaners of clean-out system of the present invention and comparative group version being cleaned, after 2 weeks and 1 month,, make a plate respectively by following program.Prepare 30 μ m～100 μ m and portrayed lines and spatial line reproducibility evaluation positive photoresist film with 10 μ m, the face of the film is close on the face of above-mentioned photosensitivity rete, as light source,, carry out 90 seconds ultraviolet exposure with the 3kw Metal-halogen lamp from the distance of 80cm.After the exposure, the water spray gun washes development to version, and is as shown in table 2, and variation has taken place for the state of plate-making, the particularly image dissection of fine rule part.
Table 2
Embodiment 4
Silk screen printing is formulated as follows with the silk screen clean-out system: with the diethylene glycol ether of 12wt% as water-miscible organic solvent, be mixed into the aqueous solution of making 100 weight parts in the ion exchanged water of 88wt% part, the pyrroles's ketone acid sodium that adds 0.01 weight part makes it dissolving as embodiment 2 and embodiment 3 employed clean-out systems.
Embodiment 5
Silk screen printing is formulated as follows with the silk screen clean-out system: with the diglyme of 50wt% as water-miscible organic solvent, be mixed into the aqueous solution of making 100 weight parts in the ion exchanged water of 50wt% part, the pyrroles's ketone acid sodium that adds 10 weight parts makes it dissolving as embodiment 2 and embodiment 3 employed clean-out systems.
Embodiment 6
Silk screen printing is formulated as follows with the silk screen clean-out system: with the diethyl carbitol of 45wt% as water-miscible organic solvent, be mixed into the aqueous solution of making 100 weight parts in the ion exchanged water of 55wt% part, the alkali metal phosphate Potassium tripolyphosphate that adds 5 weight parts makes it dissolving as embodiment 2 and embodiment 3 employed clean-out systems.
Embodiment 7
Silk screen printing is formulated as follows with the silk screen clean-out system: with the water-miscible organic solvent of 45wt%, be mixed into the aqueous solution of making 100 weight parts in the ion exchanged water of 55wt% part, the alkali earth metal phosphate tripolyphosphate calcium that adds 0.1 weight part makes it dissolving as embodiment 2 and embodiment 3 employed clean-out systems.
Above-mentioned water-miscible organic solvent is for being selected from Diethylene glycol, Triethyleneglycol, Tetraglycol 99, Propylene glycol, Ethylene glycol monoalkyl ether, Diethylene glycol monoalkyl ether, at least a ethylene glycol series compound among the Propylene glycol monoalkyl ether group, perhaps this ethylene glycol series compound and rudimentary alcoholic acid mixed solvent.
Claims (5)
1. silk screen printing silk screen clean-out system, it is characterized in that, this clean-out system is made up of the aqueous solution of 100 weight parts and the phosphoric acid ionic compound of 0.01～10 weight part, and the described aqueous solution is mixed by the water-miscible organic solvent of 12～50wt% and the deionized water of 50～88wt%;
Described water-miscible organic solvent is a glycol compound, the carbon number that comprises alkyl is 1～5 Trivalin SF, the carbon number of alkyl is 1～4 carbitol acetate, the carbon number of alkyl is 1～3 cellosolve, the carbon number of alkyl is 1～2 cellosolve acetate, other glycol ether, or other glycol ether acetic ester;
Described phosphoric acid ionic compound is an inorganic phosphate, comprises alkali metal phosphate and alkali earth metal phosphate, and its content is 0.1～5 weight part.
2. a kind of silk screen printing silk screen clean-out system according to claim 1 is characterized in that the described aqueous solution is mixed by the water-miscible organic solvent of 12～45wt% and the deionized water of 55～88wt%.
3. a kind of silk screen printing silk screen clean-out system according to claim 1 is characterized in that, the carbon number of described alkyl is that 1～5 Trivalin SF comprises diethylene glycol monomethyl ether, ethyl carbitol, glycol ether one propyl ether, butylcarbitol, diglyme, diethyl carbitol; The carbon number of described alkyl is that 1～4 carbitol acetate comprises the diethylene glycol ether acetic ester, the Diethylene Glycol monobutyl ether acetate; The carbon number of described alkyl is that 1～3 cellosolve comprises methyl glycol, glycol monoethyl ether; The carbon number of described alkyl is that 1～2 cellosolve acetate comprises methyl glycol acetate, ethylene glycol monoethyl ether acetate; Described other glycol ether comprises propylene glycol monomethyl ether, dipropylene glycol monomethyl ether, triethylene glycol monomethyl ether, tri ethylene glycol ethyl ether, 3-methoxyl group-3-methyl isophthalic acid-butanols; Described other glycol ether acetic ester comprises propylene glycol monomethyl ether acetic ester, three ethanol monomethyl ether acetic esters, 3-methoxyl group-3-methyl isophthalic acid-butanols acetic ester.
4. a kind of silk screen printing silk screen clean-out system according to claim 1 is characterized in that described water-miscible organic solvent is diethylene glycol ether, diglyme or diethyl carbitol.
5. a kind of silk screen printing silk screen clean-out system according to claim 1 is characterized in that described alkali metal phosphate comprises tripoly phosphate sodium STPP, Potassium tripolyphosphate; Described alkali earth metal phosphate comprises tripolyphosphate calcium, tripolyphosphate magnesium, tripolyphosphate barium.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100405939A CN101629131B (en) | 2008-07-15 | 2008-07-15 | Silk screen cleaning agent for silk screen printing |
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| CN2008100405939A CN101629131B (en) | 2008-07-15 | 2008-07-15 | Silk screen cleaning agent for silk screen printing |
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| CN101629131A CN101629131A (en) | 2010-01-20 |
| CN101629131B true CN101629131B (en) | 2011-09-14 |
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| CN2008100405939A Expired - Fee Related CN101629131B (en) | 2008-07-15 | 2008-07-15 | Silk screen cleaning agent for silk screen printing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105544254A (en) * | 2015-12-18 | 2016-05-04 | 常熟市通顺印染有限公司 | Special cleaning solution for dyed fabrics |
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| CN103627244B (en) * | 2013-10-29 | 2016-05-04 | 安徽唯宝印刷科技有限公司 | A kind of Rubber Printing Water-Roller cleaning agent |
| CN104485426A (en) * | 2014-12-26 | 2015-04-01 | 昆山国显光电有限公司 | OLED (organic light-emitting diode) package structure and package method |
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| JP6951059B2 (en) * | 2016-08-01 | 2021-10-20 | 花王株式会社 | Detergent composition for screen plate |
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| CN107841383A (en) * | 2016-09-21 | 2018-03-27 | 仓和股份有限公司 | Half tone cleaning fluid and its application method |
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| CN1287142A (en) * | 2000-08-25 | 2001-03-14 | 吴焕云 | Formulation and preparation process of water soluble ink scavenger |
| CN1359990A (en) * | 2000-12-22 | 2002-07-24 | 武汉现代工业技术研究院 | Efficient detergent for print ink |
| CN1632092A (en) * | 2004-11-02 | 2005-06-29 | 武汉理工大学 | Cleaning agent special for ceramic ferrules for fiber optic connectors |
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- 2008-07-15 CN CN2008100405939A patent/CN101629131B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1287142A (en) * | 2000-08-25 | 2001-03-14 | 吴焕云 | Formulation and preparation process of water soluble ink scavenger |
| CN1359990A (en) * | 2000-12-22 | 2002-07-24 | 武汉现代工业技术研究院 | Efficient detergent for print ink |
| CN1632092A (en) * | 2004-11-02 | 2005-06-29 | 武汉理工大学 | Cleaning agent special for ceramic ferrules for fiber optic connectors |
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| CN105544254A (en) * | 2015-12-18 | 2016-05-04 | 常熟市通顺印染有限公司 | Special cleaning solution for dyed fabrics |
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| CN101629131A (en) | 2010-01-20 |
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