CN105838139A - Modified waterborne polyurethane ink containing hydrophobic oxidized starch and preparing method of modified waterborne polyurethane ink - Google Patents
Modified waterborne polyurethane ink containing hydrophobic oxidized starch and preparing method of modified waterborne polyurethane ink Download PDFInfo
- Publication number
- CN105838139A CN105838139A CN201610297719.5A CN201610297719A CN105838139A CN 105838139 A CN105838139 A CN 105838139A CN 201610297719 A CN201610297719 A CN 201610297719A CN 105838139 A CN105838139 A CN 105838139A
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- CN
- China
- Prior art keywords
- oxidized starch
- ink
- waterborne polyurethane
- weight portion
- deionized water
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Classifications
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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
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/006—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
-
- 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
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
Abstract
The invention discloses a modified waterborne polyurethane ink containing hydrophobic oxidized starch. According to the printing ink, hexafluorobutyl methacrylate and glycidyl methacrylate are used for performing modification treatment on waterborne polyurethane, and the water resisting property of modified polyurethane is improved; oxidized polyethlene wax waterborne emulsion doped with oxidized starch can effectively improve the film forming property of the ink and improve the surface performance of cured ink, and is more environmentally friendly due to degradability; the ink is low in production cost, resistant to water and abrasion, good in printing effect, environmentally friendly and safe, and the application range of traditional waterborne polyurethane ink is widened.
Description
Technical field
The present invention relates to water color ink technical field, particularly relate to a kind of modified aqueous polyurethane ink containing hydrophobic oxidized starch and preparation method thereof.
Background technology
Water color ink is to be made up of water-soluble resin, organic pigment, solvent and related auxiliaries, and it has the excellent feature of environmental protection, can alleviate current packaging and there is pollution problem with printing industry, become current and ink industry from now on prior development direction.
Water-based polyurethane ink has the advantages such as color representation power good, adhesive force is good, oil resistant, and various stock materials are had wide applicability.Owing to aqueous polyurethane existing hydrophilic radical, its water-resistant coating formed, heat resistance and viscoplasticity is not good enough, especially the difference of resistance to water, directly affects the experience of print product, it is therefore desirable to the performance of aqueous polyurethane is made further improvements, to improve its performance." preparation of nano silicon dioxide modifying water polyurethane dispersing liquid and sign " literary composition utilizes silane coupler to hydrolyze dispersion in polyoxypropyleneglycol solution and prepares nano silicon polyoxypropyleneglycol dispersion, participate in aqueous polyurethane building-up process, obtain nano-silicon dioxide modified aqueous polyurethane emulsion, its hydrophobicity of the polyurethane coating that this method obtains and case hardness have obtained certain improvement, but its hot strength and elongation at break decrease, comprehensive mechanical property is not good enough, as can be seen here, possess the emulsion of excellent mechanical property and be only improving hydrophobic acquisition of aqueous polyurethane simultaneously there is the research emphasis of actual application value, also it is purpose of the present invention place.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of modified aqueous polyurethane ink containing hydrophobic oxidized starch and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of modified aqueous polyurethane ink containing hydrophobic oxidized starch, this printing-ink is made up of the raw material of following weight portion: solid content is the aqueous polyurethane emulsion 40-50 of 30-50%, Hexafluorobutyl mathacrylate 8-10, aqueous pigment 10-20, titanate coupling agent 0.1-0.2, oxidized starch 2-3, OPE 1-2, GMA 1-2, defoamer 0.01-0.02, polycarboxylate dehydragent 0.1-0.2, deionized water 20-25, concentration are the ammonium persulfate aqueous solution 0.2-0.5 of 10-15%, dodecyl sodium sulfate 0.5-1.
The preparation method of described a kind of modified aqueous polyurethane ink containing hydrophobic oxidized starch, this preparation method is divided into following step:
(1) first OPE is heated to molten condition, again oxidized starch is added in liquation, it is cooled to room temperature, gained material attrition grinding after high-speed stirred mixing 30-40min, crosses 500-800 mesh sieve, sieving puts in the dodecyl sodium sulfate/deionized water mixed solution of 1/2 weight portion, stirring mixing 1-2h with the speed of 600-800 rev/min, add titanate coupling agent subsequently, dropping limit, limit is stirred, standing reaction 20-30min after completion of dropwise addition, gained mix emulsion fluid is standby；
(2) aqueous polyurethane emulsion is put in four-hole boiling flask, add the dodecyl sodium sulfate/deionized water solution of surplus, Hexafluorobutyl mathacrylate and the GMA of 1/4 weight portion it is simultaneously added dropwise after being uniformly mixed, dropping limit, limit is stirred, high-speed stirred mixing 1-2h after completion of dropwise addition, subsequently reaction system is heated to 55-60 DEG C, add the ammonium persulfate aqueous solution of 1/3 weight portion, it is warming up to 75-80 DEG C after stirring hybrid reaction 1.5-2h, drip Hexafluorobutyl mathacrylate and the ammonium persulfate aqueous solution of surplus again, 1-2h is reacted after dropping, reaction terminates rear solution and is cooled to room temperature, filter discharging；
(3) being mixed with other leftover materials by material prepared by step (2), put in sand mill in the lump and be fully ground, the particle diameter making gained slurry is≤5 μm, and regulation system pH value is 7-8, and uses deionized water regulation system viscosity, discharging and get final product.
The present invention utilizes Hexafluorobutyl mathacrylate, GMA to be modified aqueous polyurethane processing, modified polyurethane resistance to water improves, and the OPE water-based emulsion doped with oxidized starch is possible not only to effectively improve the film forming of ink, improve the surface property after ink solidification, the most also there is degradability, more environmental protection, this Printing ink producing low cost, water proof and wearable, printing effect is good, Environmental Safety, has widened the range of application of conventional urethane water color ink.
Detailed description of the invention
A kind of modified aqueous polyurethane ink containing hydrophobic oxidized starch, this printing-ink is made up of the raw material of following weight portion: ammonium persulfate aqueous solution 0.2, the dodecyl sodium sulfate 0.5 that aqueous polyurethane emulsion 40 that solid content is 30%, Hexafluorobutyl mathacrylate 8, aqueous pigment 10, titanate coupling agent 0.1, oxidized starch 2, OPE 1, GMA 1, defoamer 0.01, polycarboxylate dehydragent 0.1, deionized water 20, concentration are 10%.
The preparation method of this ink is divided into following step:
(1) first OPE is heated to molten condition, again oxidized starch is added in liquation, it is cooled to room temperature, gained material attrition grinding after high-speed stirred mixing 30min, crosses 500 mesh sieves, sieving puts in the dodecyl sodium sulfate/deionized water mixed solution of 1/2 weight portion, stirring mixing 1h with the speed of 600 revs/min, add titanate coupling agent subsequently, dropping limit, limit is stirred, standing reaction 20min after completion of dropwise addition, gained mix emulsion fluid is standby；
(2) aqueous polyurethane emulsion is put in four-hole boiling flask, add the dodecyl sodium sulfate/deionized water solution of surplus, Hexafluorobutyl mathacrylate and the GMA of 1/4 weight portion it is simultaneously added dropwise after being uniformly mixed, dropping limit, limit is stirred, high-speed stirred mixing 1h after completion of dropwise addition, subsequently reaction system is heated to 55 DEG C, add the ammonium persulfate aqueous solution of 1/3 weight portion, it is warming up to 75 DEG C after stirring hybrid reaction 1.5h, drip Hexafluorobutyl mathacrylate and the ammonium persulfate aqueous solution of surplus again, 1h is reacted after dropping, reaction terminates rear solution and is cooled to room temperature, filter discharging；
(3) being mixed with other leftover materials by material prepared by step (2), put in sand mill in the lump and be fully ground, the particle diameter making gained slurry is≤5 μm, and regulation system pH value is 7, and uses deionized water regulation system viscosity, discharging and get final product.
By prepared ink printing on plastic rubber substrate, after it is completely dried, according to corresponding country examination criteria, the performance test results of this ink and coating thereof is:
| Detection project | Testing result |
| Viscosity | 1180mpa.s |
| Tinting strength, tinting power | 102 |
| Hardness (pencil hardness) | 3H |
| Adhesive force | 98% |
| Glossiness (60 DEG C of specular gloss instrument) | 64 |
| Heat resistance (80 DEG C × 24h) | It is bad that coating is intact |
| Ethanol-tolerant, Acidity of Aikalinity | Nondiscolouring, do not ftracture, do not fall off |
| Water resistant grade | 5 grades |
Claims (2)
1. the modified aqueous polyurethane ink containing hydrophobic oxidized starch, it is characterized in that, this printing-ink is made up of the raw material of following weight portion: solid content is the aqueous polyurethane emulsion 40-50 of 30-50%, Hexafluorobutyl mathacrylate 8-10, aqueous pigment 10-20, titanate coupling agent 0.1-0.2, oxidized starch 2-3, OPE 1-2, GMA 1-2, defoamer 0.01-0.02, polycarboxylate dehydragent 0.1-0.2, deionized water 20-25, concentration is the ammonium persulfate aqueous solution 0.2-0.5 of 10-15%, dodecyl sodium sulfate 0.5-1.
The preparation method of a kind of modified aqueous polyurethane ink containing hydrophobic oxidized starch, it is characterised in that this preparation method is divided into following step:
(1) first OPE is heated to molten condition, again oxidized starch is added in liquation, it is cooled to room temperature, gained material attrition grinding after high-speed stirred mixing 30-40min, crosses 500-800 mesh sieve, sieving puts in the dodecyl sodium sulfate/deionized water mixed solution of 1/2 weight portion, stirring mixing 1-2h with the speed of 600-800 rev/min, add titanate coupling agent subsequently, dropping limit, limit is stirred, standing reaction 20-30min after completion of dropwise addition, gained mix emulsion fluid is standby；
(2) aqueous polyurethane emulsion is put in four-hole boiling flask, add the dodecyl sodium sulfate/deionized water solution of surplus, Hexafluorobutyl mathacrylate and the GMA of 1/4 weight portion it is simultaneously added dropwise after being uniformly mixed, dropping limit, limit is stirred, high-speed stirred mixing 1-2h after completion of dropwise addition, subsequently reaction system is heated to 55-60 DEG C, add the ammonium persulfate aqueous solution of 1/3 weight portion, it is warming up to 75-80 DEG C after stirring hybrid reaction 1.5-2h, drip Hexafluorobutyl mathacrylate and the ammonium persulfate aqueous solution of surplus again, 1-2h is reacted after dropping, reaction terminates rear solution and is cooled to room temperature, filter discharging；
(3) being mixed with other leftover materials by material prepared by step (2), put in sand mill in the lump and be fully ground, the particle diameter making gained slurry is≤5 μm, and regulation system pH value is 7-8, and uses deionized water regulation system viscosity, discharging and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610297719.5A CN105838139A (en) | 2016-05-06 | 2016-05-06 | Modified waterborne polyurethane ink containing hydrophobic oxidized starch and preparing method of modified waterborne polyurethane ink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610297719.5A CN105838139A (en) | 2016-05-06 | 2016-05-06 | Modified waterborne polyurethane ink containing hydrophobic oxidized starch and preparing method of modified waterborne polyurethane ink |
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| Publication Number | Publication Date |
|---|---|
| CN105838139A true CN105838139A (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610297719.5A Pending CN105838139A (en) | 2016-05-06 | 2016-05-06 | Modified waterborne polyurethane ink containing hydrophobic oxidized starch and preparing method of modified waterborne polyurethane ink |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107760097A (en) * | 2017-10-25 | 2018-03-06 | 安徽猛牛彩印包装有限公司 | A kind of preparation method of PET film water-based ink |
| CN108589419A (en) * | 2018-05-15 | 2018-09-28 | 周晓东 | A kind of grease-proof wrapping |
| CN115947923A (en) * | 2023-02-17 | 2023-04-11 | 广州山木新材料科技有限公司 | Waterborne polyurethane resin and digital pyrograph ink containing same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260179A (en) * | 2008-04-24 | 2008-09-10 | 东莞市宏达聚氨酯有限公司 | Method for preparing fluorine modifying water-base polyurethane emulsion, products and application thereof as industrial paint |
| CN103044719A (en) * | 2012-12-19 | 2013-04-17 | 华南理工大学 | Thermoplastic starch plastic with high hydrophobic property and preparation method thereof |
| CN103073953A (en) * | 2013-02-07 | 2013-05-01 | 苏州牛剑新材料有限公司 | Waterborne conductive ink and preparation method thereof |
-
2016
- 2016-05-06 CN CN201610297719.5A patent/CN105838139A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260179A (en) * | 2008-04-24 | 2008-09-10 | 东莞市宏达聚氨酯有限公司 | Method for preparing fluorine modifying water-base polyurethane emulsion, products and application thereof as industrial paint |
| CN103044719A (en) * | 2012-12-19 | 2013-04-17 | 华南理工大学 | Thermoplastic starch plastic with high hydrophobic property and preparation method thereof |
| CN103073953A (en) * | 2013-02-07 | 2013-05-01 | 苏州牛剑新材料有限公司 | Waterborne conductive ink and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107760097A (en) * | 2017-10-25 | 2018-03-06 | 安徽猛牛彩印包装有限公司 | A kind of preparation method of PET film water-based ink |
| CN108589419A (en) * | 2018-05-15 | 2018-09-28 | 周晓东 | A kind of grease-proof wrapping |
| CN115947923A (en) * | 2023-02-17 | 2023-04-11 | 广州山木新材料科技有限公司 | Waterborne polyurethane resin and digital pyrograph ink containing same |
| CN115947923B (en) * | 2023-02-17 | 2023-08-04 | 广州山木新材料科技有限公司 | Water-based polyurethane resin and digital hot-dip painting ink containing same |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160810 |