CN104263079A - UV curable white inkjet ink composition - Google Patents
UV curable white inkjet ink composition Download PDFInfo
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- CN104263079A CN104263079A CN201410592715.0A CN201410592715A CN104263079A CN 104263079 A CN104263079 A CN 104263079A CN 201410592715 A CN201410592715 A CN 201410592715A CN 104263079 A CN104263079 A CN 104263079A
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- white inkjet
- ink
- curable
- inkjet composition
- printing
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/32—Inkjet printing inks characterised by colouring agents
- C09D11/322—Pigment inks
Abstract
The invention relates to an UV (ultraviolet) curable white inkjet ink composition. According to the white inkjet ink composition, characters are spray-printed on an electronic circuit board base material in an inkjet printing manner; the characters formed by spray-printing the white inkjet ink composition can resist to tin bath with a temperature of 270 to 290 DEG C without being yellowed or falling off and have viscosities of 25 to 35cp at a normal temperature. Moreover, after inkjet printing, character images are clear, and the white inkjet ink composition has excellent covering power and printing smoothness and can meet the requirement for scale production of a PCB (Printed Circuit Board).
Description
Technical field
The present invention relates to a kind of composition for ink adopting ink-jetting style to print, specifically a kind of white ink composition of uV curable, this composition for ink is by the mode printing mark symbol on circuit boards of spray ink Printing.
Background technology
Spray ink Printing is a kind of non-contact type mode of printing, without the need to plate-making, word or image directly can be printed on base material by computer control, What You See Is What You Get, is a kind of efficient, height mode of printing accurately.Along with the high speed development of ink-jet printer and shower nozzle, the field of ink jet printing can be adopted to have expanded to industry that pottery, textiles etc. adopt traditional printing mode, and printed electronics field just progressively becomes next ink-jet applications emphasis.Electronic circuit board and pcb board understand print character usually so that as the mark of subsequent installation inspection or the mark as maintenance; the character that tradition is printed in the circuit board is the mode adopting silk screen printing; need first prepare character half tone; silk-screen is on board substrate again; not only cost is high, operation is many for this mode of printing, the cycle is long; and the graph position size deviation formed is large, the character printed often is caused to there will be the defects such as the handwriting is blurred, ghost image.And adopting ink-jetting style print character to be spray printing as required, accurate positioning, a step completes, and shortens flow process greatly, reduces the discharge of energy consumption and waste water, greatly improves the tolerance range of character simultaneously.
Summary of the invention
But, for the character on printing electronic circuit, no matter be adopt screen printing mode or spray ink Printing mode, all require that formed white characters has the performance of the anti-yellowing change of high temperature, this is large technological difficulties, especially for spray ink Printing, with white ink, then difficulty is larger, because ink-jet printing ink requires that need reach particular requirement in viscosity and surface tension could meet spray printing, this just has higher requirement to the ink for ink-jet print for the anti-yellowing change of exploitation high temperature.
For solving the problem, the bright white inkjet composition for ink aiming to provide a kind of uV curable of we, described white inkjet composition for ink by the mode of spray ink Printing by character spray printing on electronic circuit plate substrate, described white inkjet composition for ink forms character through spray printing and can come off without xanthochromia, nothing by resistance to 270-290 DEG C tin bath, and viscosity is at 25-35cp at normal temperatures.In addition, after spray ink Printing, character picture is clear, and this white inkjet composition for ink has excellent opacifying power and prints fluency simultaneously, can meet the needs of PCB large-scale production.
Object of the present invention realizes particular by following technological line:
A white inkjet composition for ink for uV curable, it comprises titanium dioxide, pigment dispersing agent, monomer and oligopolymer; Described white inkjet composition for ink forms character through spray printing and can come off without xanthochromia, nothing by resistance to 270-290 DEG C tin bath, and viscosity is at 25-35cp at normal temperatures.
Particularly, described monomer is selected from one or more compositions in the monofunctional monomer of UV-curable, difunctional monomer and polyfunctional monomer, and its consumption accounts for the 60-80% of described white inkjet combination of inks amount.
Preferably, described monomer comprises acryloyl morpholine (ACMO), and its consumption accounts for the 1-20% of described white inkjet combination of inks amount.Acryloyl morpholine is the thermotolerance function monomer of excellent performance, can improve the thermostability of system, the polyreaction that the nitrogen free radical in molecule can suppress oxygen to cause, and accelerates the curing speed of system.It has stable tensile property simultaneously, can reduce volumetric shrinkage during solidification, and being conducive to increases sticking power.
Preferably, described monomer comprises the acrylate of hydroxyl, and its consumption accounts for the 3-10% of described white inkjet combination of inks amount.The acrylate of described hydroxyl is selected from one or more mixing of Hydroxyethyl acrylate (HEA), Propylene glycol monoacrylate (HPA), hy-droxybutyl (HBA), caprolactone (CA), pentaerythritol triacrylate (PETA).Acrylate with hydroxyl, can and pcb board solder mask in isocyanate group react, significantly improve the sticking power of system.
Described titanium dioxide accounts for the 6-12% of described white inkjet combination of inks amount, and the ratio of titanium dioxide and pigment dispersing agent is 10 ~ 15:1.The described titanium dioxide dispersible pigment dispersion that grinding preparation is stable in sand mill under the effect of the components such as pigment dispersing agent, the titanium dioxide median size after grinding is between 200-350nm.Titanium dioxide can be selected from one or both mixtures in rutile-type or Detitanium-ore-type.Rutile titanium dioxide pigment is selected from Dupont R-706, Dupont R-900, Dupont R-902+, Dupont R-960, Dupont R-931, Dupont R102, Dupont R-103, Dupont R104, Dupont R105, Dupont R108, Dupont R350; , U.S. gift connection TIONA595, U.S. gift connection R-CL69, stone former TiO 2 pigment CR-90-2, stone former TiO 2 pigment CR-60-2, stone former TiO 2 pigment CR-57, special promise TiO 2 pigment CR-828 or special promise TiO 2 pigment CR-826.The TiO 2 pigment of anatase titanium dioxide is selected from the BA-01-01 of the former A-100 of stone or Landtek.
Described pigment dispersing agent is selected from Lu Borun Solsperse32000, Lu Borun Solsperse32500, Lu Borun Solsperse36000, Lu Borun Solsperse39000, EFKA EFKA Addities4310, EFKA EFKA Addities4330, EFKA EFKA Addities4030, EFKA EFKA Addities7731, EFKA EFKA Addities7732, EFKA EFKA Addities7701, Degussa Dispers710, Degussa Dispers685 or Degussa Dispers655.
Described oligopolymer is preferably Epoxy Phenolic Acrylates, and its consumption accounts for the 5-20% of described white inkjet combination of inks amount.White characters ink requires very high sticking power, acid-fast alkali-proof performance and resistance to elevated temperatures, so the first-selected epoxy acrylate of oligopolymer, and can not select polyester acrylic acid ester, polyethers acrylic acid ester, urethane acrylate and pure acrylate.The epoxy acrylate solidifying field conventional at UV has four kinds, respectively: bisphenol-a epoxy acrylate, Epoxy Phenolic Acrylates, epoxidized oil acrylate, acid and anhydride modified acrylate.Their total features are good sticking power and chemical resistance, for improving the high temperature yellowing resistance energy of white characters ink, select the primary standard of oligopolymer to be exactly to have excellent resistance to elevated temperatures, that has outstanding performance in this characteristic in above four class epoxy acrylates only has Epoxy Phenolic Acrylates.Therefore, described oligopolymer is preferably Epoxy Phenolic Acrylates, and different manufacturer has different product grades and supply of material form, and therefore not to repeat here.
Further, also comprise at least one auxiliary agent, it is tensio-active agent, defoamer, storage stabilizer and/or rheological agent.
Particularly, the consumption of described tensio-active agent accounts for the 0-2% of described white inkjet combination of inks amount, and its effect in formula of the present invention is, the surface tension controlling ink makes it meet spray printing requirement.Described tensio-active agent is selected from BYK-333, BYK-377, BYK-358N, BYK-UV3500; TEGO RAD2100, TEGO RAD2250, TEGO RAD2200, TEGO WET450, TEGO WET410 or TEGO WET245.
Particularly, the consumption of described storage stabilizer accounts for the 0.1-0.5% of described white inkjet combination of inks amount, and its effect in formula of the present invention is polymerized in storage process for preventing ink.Described storage stabilizer is selected from the GENORAD18 of GENORAD20, RAHN of RAHN, the special S100 of cyanogen, the special S110 of cyanogen, the special S210 of cyanogen or cyanogen spy 130.
Particularly, the consumption of described rheological agent accounts for the 0-3% of described white inkjet combination of inks amount, and its effect in formula of the present invention is, is regulate the rheological property of ink on pcb board material.Described rheological agent is selected from BYK410, BYK411, BYK415, BYK430; Lu Borun SOLTHIX250 or Lu Borun SOLTHIX200.
Particularly, the consumption of described defoamer accounts for the 0-0.5% of described white inkjet combination of inks amount, and its effect in formula of the present invention is, to vibrate the detrimentally affect that the bubble that produces causes fluency for eliminating ink in pipeline.Described defoamer is selected from BYK-083, BYK-085 or BYK-088.
Compared with prior art, there is following positively effect: 1, uV curable of the present invention white inkjet composition for ink by the mode of spray ink Printing by character spray printing on electronic circuit plate substrate, described composition for ink forms character through spray printing and can come off without xanthochromia, nothing by resistance to 270-290 DEG C tin bath, and viscosity is at 25-35cp at normal temperatures.In addition, after spray ink Printing, character picture is clear, and this ink has excellent opacifying power and prints fluency simultaneously, can meet the needs of PCB large-scale production.
Below in conjunction with multiple embodiment, the invention will be further described.
Embodiment
Starting components and the mass percent (%) of embodiment 1-4 and comparative example 1, comparative example 2 are as shown in table 1.
Table 1
Each example tests white inkjet combination of inks physical performance as follows above:
1. use Brookfield DV-II+PRO viscometer, under 25 DEG C of conditions, test each embodiment and comparative example viscosity.
2. use ink-jet printer spray printing character in PCB substrate, test printing fluency and observation character sharpness.
3. the character solidified by spray printing is through 270-290 DEG C of tin bath 10s/3 time, and observe character xanthochromia situation after cooling, and cling character with 3M600# adhesive tape, firmly pull with miter angle degree direction, same position pulls 3 times repeatedly, observes character dropping situations.
Each routine test result sees the following form 2 above:
Table 2
Need illustratively, the viscosity in the application under normal temperature refers to viscosity when 25 DEG C.
The present invention is not limited to above-mentioned embodiment, if do not depart from the spirit and scope of the present invention to various change of the present invention or modification, if these are changed and modification belongs within claim of the present invention and equivalent technologies scope, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. a white inkjet composition for ink for uV curable, is characterized in that: it comprises titanium dioxide, pigment dispersing agent, monomer and oligopolymer; Described white inkjet composition for ink forms character through spray printing and can come off without xanthochromia, nothing by resistance to 270-290 DEG C tin bath.
2. the white inkjet composition for ink of uV curable as claimed in claim 1, is characterized in that: under described white inkjet composition for ink normal temperature, viscosity is between 25-35cp.
3. the white inkjet composition for ink of uV curable as claimed in claim 1, it is characterized in that: described oligopolymer is Epoxy Phenolic Acrylates, its consumption accounts for the 5-20% of described white inkjet combination of inks amount.
4. the white inkjet composition for ink of uV curable as claimed in claim 1, it is characterized in that: described monomer comprises acryloyl morpholine, its consumption accounts for the 1-20% of described white inkjet combination of inks amount.
5. the white inkjet composition for ink of uV curable as claimed in claim 1, it is characterized in that: described monomer comprises the acrylate of hydroxyl, its consumption accounts for the 3-10% of described white inkjet combination of inks amount.
6. the white inkjet composition for ink of uV curable as claimed in claim 1, is characterized in that: described titanium dioxide is rutile-type, Detitanium-ore-type or both mixing.
7. the white inkjet composition for ink of uV curable as claimed in claim 1, it is characterized in that: described titanium dioxide accounts for the 6-12% of described white inkjet combination of inks amount, adopt the method for grinding to make the TiO 2 pigment dispersion liquid of stable dispersion, after grinding, titanium dioxide median size is between 200-350nm.
8. the white inkjet composition for ink of uV curable as claimed in claim 1, is characterized in that: also comprise at least one auxiliary agent, its be tensio-active agent, defoamer, storage stabilizer and or rheological agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410592715.0A CN104263079B (en) | 2014-10-28 | 2014-10-28 | UV curable white inkjet ink composition |
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| CN201410592715.0A CN104263079B (en) | 2014-10-28 | 2014-10-28 | UV curable white inkjet ink composition |
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| CN104263079A true CN104263079A (en) | 2015-01-07 |
| CN104263079B CN104263079B (en) | 2017-05-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115260421A (en) * | 2022-08-09 | 2022-11-01 | 常熟东南塑料有限公司 | Modified phenolic resin and preparation method thereof |
| CN115612342A (en) * | 2022-10-14 | 2023-01-17 | 深圳市墨库图文技术有限公司 | Ink, preparation method and application thereof |
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| CN102051088A (en) * | 2011-01-11 | 2011-05-11 | 珠海保税区天然宝杰数码科技材料有限公司 | White ink composition for ultraviolet curing ink jet recording and ink jet recording method |
| CN102653650A (en) * | 2012-04-24 | 2012-09-05 | 东莞上海大学纳米技术研究院 | Ultraviolet-curable white character jet-ink and preparation method thereof |
| CN103709831A (en) * | 2014-01-09 | 2014-04-09 | 东周化学工业（昆山）有限公司 | Ultraviolet-curable jet printing ink |
| CN104031475A (en) * | 2014-07-01 | 2014-09-10 | 珠海保税区天然宝杰数码科技材料有限公司 | Ultraviolet light curing jetting ink for marking flexible circuit boards |
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2014
- 2014-10-28 CN CN201410592715.0A patent/CN104263079B/en active Active
Patent Citations (4)
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| CN102051088A (en) * | 2011-01-11 | 2011-05-11 | 珠海保税区天然宝杰数码科技材料有限公司 | White ink composition for ultraviolet curing ink jet recording and ink jet recording method |
| CN102653650A (en) * | 2012-04-24 | 2012-09-05 | 东莞上海大学纳米技术研究院 | Ultraviolet-curable white character jet-ink and preparation method thereof |
| CN103709831A (en) * | 2014-01-09 | 2014-04-09 | 东周化学工业（昆山）有限公司 | Ultraviolet-curable jet printing ink |
| CN104031475A (en) * | 2014-07-01 | 2014-09-10 | 珠海保税区天然宝杰数码科技材料有限公司 | Ultraviolet light curing jetting ink for marking flexible circuit boards |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115260421A (en) * | 2022-08-09 | 2022-11-01 | 常熟东南塑料有限公司 | Modified phenolic resin and preparation method thereof |
| CN115612342A (en) * | 2022-10-14 | 2023-01-17 | 深圳市墨库图文技术有限公司 | Ink, preparation method and application thereof |
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| CN104263079B (en) | 2017-05-17 |
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