CN103232752A - Screen printing ink for UV (ultraviolet) paint surface and preparation method thereof - Google Patents
Screen printing ink for UV (ultraviolet) paint surface and preparation method thereof Download PDFInfo
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- CN103232752A CN103232752A CN2013101469322A CN201310146932A CN103232752A CN 103232752 A CN103232752 A CN 103232752A CN 2013101469322 A CN2013101469322 A CN 2013101469322A CN 201310146932 A CN201310146932 A CN 201310146932A CN 103232752 A CN103232752 A CN 103232752A
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Abstract
The invention discloses a screen printing ink for a UV (ultraviolet) paint surface and a preparation method thereof. The ink comprises the following components in percentage by weight: 25-40% of polyester resin, 10-30% of modified polyester resin, 20-35% of solvent, 0.1-5% of dispersing agent and 0.1-5% of defoaming agent. The solvent used by the screen printing ink and preparation method thereof disclosed by the invention is environment-friendly and free of PAHs (polycyclic aromatic hydrocarbons); and after being baked at 80 DEG C for 60-90 minutes, the ink has the characteristics of excellent adhesive force, alcohol resistance, chemical resistance, wear resistance and the like on the UV paint surface product. The ink effectively overcomes the defects in the existing screen printing/transfer printing ink on the UV finish paint. The ink disclosed by the invention simplifies the decoration processing technique on the UV paint surface, enhances the production efficiency and greatly lowers the defective rate; and meanwhile, the invention provides more options for enriching the decoration scheme design of UV paint surface materials.
Description
Technical field
The present invention relates to ink for screen printing, relate in particular to a kind of for UV lacquer surface, two component ink for screen printing with excellent wear-resisting chemicals-resistant characteristic.
Background technology
In the industries such as mobile phone, automatic navigator, panel computer shell, telephone key-press, all be earlier at component surface spraying one UV lacquer (ultraviolet light polymerization paint) layer earlier, re-use traditional UV printing ink (UV curable ink) or traditional thermosetting ink is adornd or other processing at the enterprising luggage of described UV enamelled coating.Though the traditional UV printing ink that uses can satisfy the requirement of high abrasion, there is the sticking power problem of unstable in traditional UV printing ink at part UV finish paint.If adopt traditional thermosetting ink, just can not reach the performance of high abrasion, chemicals-resistant also can not satisfy the demands.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of for surperficial ink for screen printing of UV lacquer and preparation method thereof, described ink for screen printing is a kind of pair of component printing ink, have excellent wear-resisting chemicals-resistant characteristic, be intended to solve the unstable and not good problem of wear-resisting chemical resistance of traditional printing ink sticking power on the ground that scribbles the UV finish paint.
Technical scheme of the present invention is as follows:
A kind of ink for screen printing for UV lacquer surface, wherein, by weight percentage, this printing ink comprises following component:
Vibrin 25-40;
Modified polyester resin 10-30;
Solvent 20-35;
Dispersion agent 0.1-5;
Defoamer 0.1-5.
Described ink for screen printing for UV lacquer surface, wherein, by weight percentage, this printing ink also comprises following component:
Pigment 10-35.
Described ink for screen printing for UV lacquer surface, wherein, described vibrin is the solid thermoplastic vibrin, and its solids content is more than or equal to 35%, and elongation is more than or equal to 300%; Described modified polyester resin is the polyurethane elastomer modified polyester resin, and its hydroxyl value is 50, admittedly contain greater than 99.5%, proportion is 1.28g/cm
3
Described ink for screen printing for UV lacquer surface, wherein, described defoamer is non-silicon defoamer.
Described ink for screen printing for UV lacquer surface, wherein, described dispersion agent is the super dispersion agent of polymer grappling.
Described ink for screen printing for UV lacquer surface, wherein, described solvent is one or both of ketones solvent, pure ether solvent.
Described ink for screen printing for UV lacquer surface, wherein, described pigment is not halogen-containing inorganic or organic feature of environmental protection pigment.
Described ink for screen printing for UV lacquer surface, wherein, the viscosity of ink for screen printing under 25 ℃ of room temperatures that is used for UV lacquer surface is 25000CPS-35000CPS.
Described ink for screen printing for UV lacquer surface wherein, is characterized in that by weight percentage, this printing ink is composed of the following components:
Vibrin 38;
Modified polyester resin 16;
Solvent 25;
Pigment 18;
Dispersion agent 1.5;
Defoamer 1.5.
A kind of aforesaid preparation method for the surperficial ink for screen printing of UV lacquer wherein, may further comprise the steps:
Get solvent, vibrin and modified polyester resin under the normal temperature and pressure, 600-1200r/min stirred 15-30 minute, made its dissolving fully; Add dispersion agent and pigment, stir, be ground to below the 10 ц m; Add defoamer, dispersed with stirring is even.
Beneficial effect: provided by the present invention a kind of for surperficial ink for screen printing of UV lacquer and preparation method thereof, its employed solvent environmental protection, no PAHS; Behind 80 ℃ of baking 60-90min, printing ink has excellent sticking power, ethanol-tolerant, chemicals-resistant, characteristic such as wear-resistant at UV lacquer surface article.Described printing ink has overcome the existing problem of silk-screen pad-transfer printing ink on the existing UV finish paint effectively.Adopt printing ink provided by the present invention, simplified the technology in the processing of UV lacquer surface decoration, improved production efficiency, reduce percent defective greatly; Simultaneously, the decoration conceptual design of horn of plenty UV lacquer surfacing provides more various selection.
Embodiment
The invention provides a kind of ink for screen printing for UV lacquer surface and preparation method thereof, clearer, clear and definite for making purpose of the present invention, technical scheme and effect, below the present invention is described in more detail.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
The invention provides a kind of ink for screen printing for UV lacquer surface, is ornamental ink for screen printing on a kind of UV lacquer surface article, and by weight percentage, this printing ink is composed of the following components:
Vibrin 25-40;
Modified polyester resin 10-30;
Solvent 20-35;
Pigment 10-35;
Dispersion agent 0.1-5;
Defoamer 0.1-5.
Specifically, described vibrin is the solid thermoplastic vibrin, and its solids content is more than or equal to 35%, and elongation is more than or equal to 300%; Described modified polyester resin is polyester modification acrylic resin (XQ-7212Q, Mitsui chemistry), and its hydroxyl value is 50, admittedly contain greater than 60%, proportion is 1.28g/cm
3Vibrin provides good sticking power, and acrylic resin provides good patience.
Described defoamer is non-silicon defoamer; Described dispersion agent is the super dispersion agent of polymer grappling; Described solvent is one or more of ketones solvent, pure ether solvent; Described pigment is inorganic or organic feature of environmental protection pigment, and is not halogen-containing; Described solvent is one or more of ketones solvent or pure ether solvent, and ketones solvent can be isophorone, pimelinketone, methyl iso-butyl ketone (MIBK) etc., and pure ether solvent can be hexylene glycol butyl ether etc.; Described UV finish paint is the coating that ultraviolet light irradiation solidify to form.
The effect of solvent is dissolving resin, regulates ink viscosity; The effect of defoamer is elimination and is suppressed at the bubble that produces in printing ink manufacturing and the use, prevents that disadvantages such as trachoma, pin hole from appearring in ink film; The effect of dispersion agent is for the dispersion that helps pigment in institute use system the inside, significantly shortens milling time, improves gloss and tinting strength, and improves the stability in storage of mill base greatly.
Printing ink of the present invention is under 25 ℃ of room temperatures, and its viscosity is 25000-35000CPS, and both can be used for silk-screen and also can be used for bat printing, and strong adhesion, the hardness of paint film height; Superior anti-ethanol, acidproof, alkaline-resisting, ageing resistance are arranged; Excellent abrasive is arranged, for example wear-resisting test of RCA, wear-resisting test is vibrated in the wear-resisting test of rubber.
Described ink for screen printing for UV lacquer surface by weight percentage, is preferably composed of the following components:
Vibrin 38;
Modified polyester resin 16;
Solvent 25;
Pigment 18;
Dispersion agent 1.5;
Defoamer 1.5.
The ink for screen printing that is used for UV lacquer surface that adopts said components to make, resulting best results, modest viscosity, sticking power, ethanol-tolerant, chemicals-resistant, characteristic the best such as wear-resistant.
The present invention also provides described preparation method for the surperficial ink for screen printing of UV lacquer, specifically may further comprise the steps:
Get solvent, vibrin and modified polyester resin under the normal temperature and pressure, rotating speed is that 600-1200r/min stirred 15-30 minute, make its dissolving fully after, add dispersion agent and pigment, the back that stirs is crossed three-roller and is ground to below the 10 ц m, adds defoamer again, after dispersed with stirring is even, get product.
Printing ink of the present invention is two component printing ink, needs to add solidifying agent before using, and could use after mixing.Described isocyanate curing agent is aliphatic isocyanates solidifying agent (addition 15% of solidifying agent), and solid content is absolutely.The effect of described solidifying agent is solvent resistance and the scratch-resistant performance that improves the China ink layer.
The following example is that further explanation of the present invention and explanation are not constituted any limitation the present invention.
Embodiment 1
Get 20 parts of ketones solvents (weight) under the normal temperature and pressure, 35 parts in vibrin (weight), 24 parts of (weight) 600-1200r/min of modified polyester resin stirred 15-30 minute, after making its dissolving fully, add 1.5 parts of dispersion agents (weight), 18 parts of pigment (weight), crossing three-roller after stirring is ground to below the 10 ц m, add 1.5 parts of defoamers (weight) again, after dispersed with stirring is even, get product.
Embodiment 2
Get 20 parts of ketones solvents (weight) under the normal temperature and pressure, 30.5 parts in vibrin (weight), 28.5 parts of (weight) 600-1200r/min of modified polyester resin stirred 15-30 minute, make its dissolving fully after, add 1.5 parts of dispersion agents (weight), 18 parts of pigment (weight), cross three-roller after stirring and be ground to below the 10 ц m, add 1.5 parts of defoamers (weight) again, 5 parts of pure ether solvents (weight), after dispersed with stirring is even, get product.
Above embodiment gained is used for the ink for screen printing on UV lacquer surface, add solidifying agent after, bat printing thickness is 10 ц m on UV lacquer product surface, printing ink printing effect and physical and chemical index state on material see Table 1.
Table 1
Embodiment 3
Get 25 parts of pure ether solvents (weight) under the normal temperature and pressure, 38 parts in vibrin (weight), 16 parts of (weight) 600-1200r/min of modified polyester resin stirred 15-30 minute, after making its dissolving fully, add 1.5 parts of dispersion agents (weight), 18 parts of pigment (weight), crossing three-roller after stirring is ground to below the 10 ц m, add 1.5 parts of defoamers (weight) again, after dispersed with stirring is even, get product.
Embodiment 4
Get 30 parts of ketones solvents (weight) under the normal temperature and pressure, 25 parts in vibrin (weight), 30 parts of (weight) 600-1200r/min of modified polyester resin stirred 15-30 minute, after making its dissolving fully, add 4.9 parts of dispersion agents (weight), 10 parts of pigment (weight), crossing three-roller after stirring is ground to below the 10 ц m, add 0.1 part of defoamer (weight) again, after dispersed with stirring is even, get product.
Embodiment 5
Get 35 parts of pure ether solvents (weight) under the normal temperature and pressure, 40 parts in vibrin (weight), 10 parts of (weight) 600-1200r/min of modified polyester resin stirred 15-30 minute, after making its dissolving fully, add 0.3 part of dispersion agent (weight), 10 parts of pigment (weight), crossing three-roller after stirring is ground to below the 10 ц m, add 4.7 parts of defoamers (weight) again, after dispersed with stirring is even, get product.
Embodiment 6
Get 20 parts of ketones solvents (weight) under the normal temperature and pressure, 27 parts in vibrin (weight), 13 parts of (weight) 600-1200r/min of modified polyester resin stirred 15-30 minute, after making its dissolving fully, add 2.5 parts of dispersion agents (weight), 35 parts of pigment (weight), crossing three-roller after stirring is ground to below the 10 ц m, add 2.5 parts of defoamers (weight) again, after dispersed with stirring is even, get product.
Above embodiment gained is used for the ink for screen printing on UV lacquer surface, add solidifying agent after, bat printing thickness is 10 ц m on UV lacquer product surface, printing ink printing effect and physical and chemical index state on material see Table 2.
Table 2
In above-described embodiment, employed solvent environmental protection, no PAHS, behind 80 ℃ of baking 60-90min, ink for screen printing of the present invention has excellent sticking power, ethanol-tolerant, chemicals-resistant, characteristic such as wear-resistant at UV lacquer surface article; It has effectively overcome the existing problem of silk-screen pad-transfer printing ink on the existing UV finish paint.
Adopt the ink for screen printing for UV lacquer surface provided by the present invention, can be reduced at the technology of UV lacquer surface decoration processing, enhance productivity, reduce percent defective greatly; Simultaneously, the decoration conceptual design of horn of plenty UV lacquer surfacing provides more various selection.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. one kind is used for the surperficial ink for screen printing of UV lacquer, it is characterized in that by weight percentage, this printing ink comprises following component:
Vibrin 25-40;
Modified polyester resin 10-30;
Solvent 20-35;
Dispersion agent 0.1-5;
Defoamer 0.1-5.
2. according to claim 1 for the surperficial ink for screen printing of UV lacquer, it is characterized in that by weight percentage, this printing ink also comprises following component:
Pigment 10-35.
3. the ink for screen printing for UV lacquer surface according to claim 1 is characterized in that described vibrin is the solid thermoplastic vibrin, and its solids content is more than or equal to 35%, and elongation is more than or equal to 300%; Described modified polyester resin is the polyurethane elastomer modified polyester resin, and its hydroxyl value is 50, admittedly contain greater than 99.5%, proportion is 1.28g/cm
3
4. the ink for screen printing for UV lacquer surface according to claim 1 is characterized in that described defoamer is non-silicon defoamer.
5. the ink for screen printing for UV lacquer surface according to claim 1 is characterized in that described dispersion agent is the super dispersion agent of polymer grappling.
6. the ink for screen printing for UV lacquer surface according to claim 1 is characterized in that described solvent is one or both of ketones solvent, pure ether solvent.
7. the ink for screen printing for UV lacquer surface according to claim 1 is characterized in that described pigment is not halogen-containing inorganic or organic feature of environmental protection pigment.
8. the ink for screen printing for UV lacquer surface according to claim 1 is characterized in that, the viscosity of ink for screen printing under 25 ℃ of room temperatures that is used for UV lacquer surface is 25000CPS-35000CPS.
9. according to the arbitrary described ink for screen printing for UV lacquer surface of claim 2 ~ 8, it is characterized in that by weight percentage, this printing ink is composed of the following components:
Vibrin 38;
Modified polyester resin 16;
Solvent 25;
Pigment 18;
Dispersion agent 1.5;
Defoamer 1.5.
10. the preparation method for the surperficial ink for screen printing of UV lacquer as claimed in claim 2 is characterized in that, may further comprise the steps:
Get solvent, vibrin and modified polyester resin under the normal temperature and pressure, 600-1200r/min stirred 15-30 minute, made its dissolving fully; Add dispersion agent and pigment, stir, be ground to below the 10 ц m; Add defoamer, dispersed with stirring is even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310146932.2A CN103232752B (en) | 2013-04-25 | 2013-04-25 | Screen printing ink for UV (ultraviolet) paint surface and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310146932.2A CN103232752B (en) | 2013-04-25 | 2013-04-25 | Screen printing ink for UV (ultraviolet) paint surface and preparation method thereof |
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| CN103232752A true CN103232752A (en) | 2013-08-07 |
| CN103232752B CN103232752B (en) | 2014-10-01 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118221A (en) * | 2016-08-09 | 2016-11-16 | 苏州市博来特油墨有限公司 | High-performance halogen-free pigment environment-friendly ink |
| CN107554048A (en) * | 2017-09-05 | 2018-01-09 | 科成精密模塑科技无锡有限公司 | One kind spray painting and silk screen printing process |
| CN108864814A (en) * | 2018-08-07 | 2018-11-23 | 中山市明日涂料材料有限公司 | A kind of ink for screen printing and preparation method thereof |
| CN111253798A (en) * | 2020-04-03 | 2020-06-09 | 江西省赐彩新材料科技有限公司 | 3D glass pad printing ink and preparation and application thereof |
| CN114196257A (en) * | 2021-12-27 | 2022-03-18 | 中山市中益油墨涂料有限公司 | Water-based silk-screen metal pigment printing ink and preparation method thereof |
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| CN102250511A (en) * | 2011-01-19 | 2011-11-23 | 一可油墨涂料（深圳）有限公司 | Pad printing ink for elastic paint surface decoration |
| CN102250514A (en) * | 2011-01-19 | 2011-11-23 | 一可油墨涂料（深圳）有限公司 | Solvent-resistant halogen-free two-component screen printing ink |
| US20120162308A1 (en) * | 2010-12-28 | 2012-06-28 | Fujifilm Corporation | Ink composition, inkjet recording method, and printed material |
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2013
- 2013-04-25 CN CN201310146932.2A patent/CN103232752B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120162308A1 (en) * | 2010-12-28 | 2012-06-28 | Fujifilm Corporation | Ink composition, inkjet recording method, and printed material |
| CN102250511A (en) * | 2011-01-19 | 2011-11-23 | 一可油墨涂料（深圳）有限公司 | Pad printing ink for elastic paint surface decoration |
| CN102250514A (en) * | 2011-01-19 | 2011-11-23 | 一可油墨涂料（深圳）有限公司 | Solvent-resistant halogen-free two-component screen printing ink |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118221A (en) * | 2016-08-09 | 2016-11-16 | 苏州市博来特油墨有限公司 | High-performance halogen-free pigment environment-friendly ink |
| CN107554048A (en) * | 2017-09-05 | 2018-01-09 | 科成精密模塑科技无锡有限公司 | One kind spray painting and silk screen printing process |
| CN108864814A (en) * | 2018-08-07 | 2018-11-23 | 中山市明日涂料材料有限公司 | A kind of ink for screen printing and preparation method thereof |
| CN111253798A (en) * | 2020-04-03 | 2020-06-09 | 江西省赐彩新材料科技有限公司 | 3D glass pad printing ink and preparation and application thereof |
| CN114196257A (en) * | 2021-12-27 | 2022-03-18 | 中山市中益油墨涂料有限公司 | Water-based silk-screen metal pigment printing ink and preparation method thereof |
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|---|---|
| CN103232752B (en) | 2014-10-01 |
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Address after: Shenzhen, Guangdong, Baoan District province Fuyong street, Feng Tong Avenue and Yonghe Road intersection Patentee after: Shenzhen beautiful Polytron Technologies Inc Address before: 518103, Feng Tong Road 243, Fuyong Town, Shenzhen, Guangdong, Baoan District Patentee before: Shenzhen Meilihua Ink & Coating Co., Ltd. |