WO2003011990A2 - Encre pigmentaire liquide a viscosite stable pour impression par jet d'encre - Google Patents
Encre pigmentaire liquide a viscosite stable pour impression par jet d'encre Download PDFInfo
- Publication number
- WO2003011990A2 WO2003011990A2 PCT/FR2002/002681 FR0202681W WO03011990A2 WO 2003011990 A2 WO2003011990 A2 WO 2003011990A2 FR 0202681 W FR0202681 W FR 0202681W WO 03011990 A2 WO03011990 A2 WO 03011990A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ink according
- ink
- diglycidylether
- glycidylether
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- 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
- C09D11/36—Inkjet printing inks based on non-aqueous solvents
-
- 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
- C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
Definitions
- Liquid pigment ink with stable viscosity for inkjet printing Liquid pigment ink with stable viscosity for inkjet printing
- the present invention relates to the field of liquid pigment inks, in particular those intended for ink jet printing.
- Such inks are made up of a pigment, black or colored, which is suspended in a vehicle (or binder).
- vehicle generally comprises at least one oxidizable or crosslinkable compound, that is to say capable of polymerizing by solidifying, by exposure to air or to ultraviolet radiation, and a volatile, organic or aqueous solvent.
- the role of the solvent is to give the ink composition the fluidity or viscosity necessary to be easily “ejected" from the nozzle of the print head, and also to prevent, during stops, that the ink does not take up en masse by clogging the channels of the nozzle.
- the solvent After printing, that is to say the deposition of the ink on the surface of a support, the solvent must be removed by evaporation and / or penetration into said support if the latter is more or less porous. This drying must be rapid, which implies either the presence of a small amount of solvent in the ink composition, or a high volatility of the latter.
- Japanese patent JP07041712 describes an ink preparation of this type, prepared by dispersion in water of a UV crosslinkable compound, such as a (meth) acrylic monomer.
- the object of the present invention is therefore to overcome all of these drawbacks by proposing an ink having the necessary fluidity at the time of ejection of the print head and not likely to clog the channels of the ejection nozzle during interruptions or prolonged stops.
- the composition of this ink must contain the smallest possible amount (less than about 5%), of solvent to be evaporated (neither volatile organic, nor aqueous) or even none, and be compatible with current technologies of jet printing. ink, for operation at room temperature, in particular in cases where it is not planned, nor possible, to heat the print head itself.
- the ink After manufacturing, the ink is often stored for several weeks or even months before use. It is therefore common to note a considerable increase in the viscosity of the ink which can be multiplied by 3, 4 or 10 and even go as far as solidification of the ink, which is then unusable.
- Another object of the present invention is to provide an ink stable over time, mainly during storage, the dispersion remaining perfectly homogeneous, without any sedimentation of the pigment particles, or polymerization, that is to say without significant increase in viscosity (i.e. an increase in the order of
- liquid pigment ink preferably without volatile organic solvent or water, according to the present invention having a viscosity less than or equal to about 20 mPa.s at 25 ° C stable over time, consisting of a pigment suspended in a vehicle crosslinkable by ultraviolet light in the presence of a photoinitiator, said vehicle comprising at least one glycidylether and / or diglycidylether and at least two different (meth) acrylates.
- the polymerization of the monomers or oligomers constituting the vehicle does not take place in the narrow channels of the ink ejection nozzle, crosslinking does not occur. only after printing, when they are actually exposed to ultraviolet radiation.
- (di) glycidyl ether acts as a reactive diluent, that is to say that it participates in the polymerization reaction of said ink vehicle. Low viscosity, it lowers the general viscosity of the ink.
- (di) glycidyl ethers have a good solvent power for the resin (generally vinyl) coating the pigment.
- (di) vinyl ether in the composition according to the invention also makes it possible to lower the viscosity of the ink.
- (di) glycidyl ether (di) vinyl ether has good diluting power, as well as good reactivity during polymerization, which must be almost instantaneous at the outlet of the ejection nozzle.
- (Meth) acrylates and in particular Poligomer acrylate are very reactive resins.
- the inks have a high resistance to friction, that is to say that they resist the passage for example of a finger or a nail on their surface.
- the ink contains from 2 to 42% by weight of
- the (di) glycidyl ether is advantageously chosen from a C 15 to C 15 aliphatic or aromatic monofunctional glycidyl ether, a C 4 to C 15 aliphatic or cycloahphatic (di) glycidyl ether, the preferred (di) glycidyl ethers being chosen from phenyl glycidylether, o-cresyl glycidylether, ethylene glycol diglycidylether, 1,4-butane diglycidylether, 1,6-hexane diglycidylether, neopentylglycol diglycidylether, polypropylene glycol diglycidylether, polytetrahydrofuran diglycidylether, cyclohexane dimethanol diglycidyl diglycidylether 2-ethylhexyl glycidylether, a C 12-15 alkyl glycidylether
- the (di) vinyl ether can be chosen from diethylene glycol divinyl ether, triethylene glycol divinyl ether, dodecyl vinyl ether, 1,4-cyclohexane dimethanol divinyl ether, hydroxy butyl vinyl ether, or a mixture of these.
- One of the (meth) acrylates can advantageously be a difunctional di (meth) acrylate monomer, in a proportion of approximately 10 to 50% by weight of the ink.
- the di (meth) acrylate is advantageously chosen from dipropylene glycol diacrylate, hexanediol diacrylate, Phexanediol dimethacrylate, tetraethylene glycol diacrylate, tripropylene glycol diacrylate, butanediol diacrylate, polyethylene glycol diacrylene diethylacrylate diacrylate of these.
- the second (meth) acrylate is for example a polyfunctional acrylate oligomer in a proportion of approximately 5 to 25% by weight of the ink.
- this acrylate oligomer is an oligomer of urethane (meth) acrylate, of amine-acrylate, of aliphatic acrylate, of epoxyacrylate, of a polyether acrylate, of a polyester acrylate, or of a mixture of these.
- the pigment is generally present in the form of a pigment preparation, for example comprising a “covering” based on vinyl resin, and represents approximately from 2 to 10% by weight of the ink.
- a pigment preparation for example comprising a “covering” based on vinyl resin, and represents approximately from 2 to 10% by weight of the ink.
- the latter advantageously contains from 1 to 15% by weight approximately of photoinitiator, preferably from 4 to 10% by weight.
- the ink according to the invention contains a mixture of photoinitiators and photoactivators comprising derivatives of benzophenone, thioxanthone and / or amino-benzoic acid.
- the thioxanthone derivative can for example be chosen from isopropylthioxanthone, 1-chloro-4-propoxythioxanthone, 2-chlorothioxanthone and 2,4-diethylthioxanthone, and the aminobenzoic acid derivative chosen from ethyl- 4 dimethylaminobenzoate, 2-butoxyethyl-4-dimethylaminobenzoate, 2-dimethylaminoethylbenzoate or 2-ethylhexyl-4-dimethylaminobenzoate.
- the ink can also contain up to 5% of dispersing agent and / or synergistic agent and / or viscosity stabilizing agent.
- the ink according to the invention can also contain up to 0.5% of surfactant, preferably up to 0.1% by weight.
- the liquid pigment ink according to the invention can be used for printing by ink jet, in particular by piezoelectric or thermal techniques.
- the inks tested are prepared according to a general procedure described below:
- the pigment preparation is dispersed in the acrylate oligomer and / or in one or more difunctional monomer (s), in the presence of any dispersing additives.
- This dispersion can take place in a grinder, in a reactor or a stirrer at a temperature below 70 ° C, for several hours, with stirring.
- this mother ink is diluted successively with the other constituents, or after a premix of the latter.
- Photoinitiators / photoactivators, and any other additives are added in the terminal phase. These inks are spread, with a thickness of a few ⁇ m, on a support placed on a moving carpet at a speed of 15 m / min. and pass through an oven where they polymerize, under the action of an ultraviolet lamp.
- the tests carried out on the inks carried out relate to:
- Viscosity (mPa.s) 11.5 12 at 19.4 ° C at 20 ° C
- All these inks (c) to (j) have viscosities less than or equal to 20 mPa.s at 20 ° C, and show great reactivity (polymerization).
- the inks (d) and (e) indicate the upper limits respectively of the constituents glycidylether and divinylether. Indeed, the friction resistance of the ink (d) is poor, and the appearance of the ink (e) does not comply with the desired requirements, that is to say that the ink does not is not homogeneous when spread on a vinyl type support (plastic cards, posters ).
- the pigment ink (magenta in color) was prepared with the following constituents (% by weight): nubutylglycidylether 24.85
- This ink has a viscosity of 11 mPa.s at 21.7 ° C.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR01/10306 | 2001-08-01 | ||
| FR0110306A FR2828204B1 (fr) | 2001-08-01 | 2001-08-01 | Encre pigmentaire liquide a viscosite stable pour impression par jet d'encre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2003011990A2 true WO2003011990A2 (fr) | 2003-02-13 |
| WO2003011990A3 WO2003011990A3 (fr) | 2003-11-06 |
Family
ID=8866173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2002/002681 Ceased WO2003011990A2 (fr) | 2001-08-01 | 2002-07-26 | Encre pigmentaire liquide a viscosite stable pour impression par jet d'encre |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2828204B1 (fr) |
| WO (1) | WO2003011990A2 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016186838A1 (fr) | 2015-05-15 | 2016-11-24 | Sun Chemical Corporation | Encres pour jet d'encre durcissables par rayons d'énergie et compositions de revêtement |
| EP3683278A4 (fr) * | 2017-10-20 | 2020-11-18 | LG Chem, Ltd. | Composition d'encre |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9123070D0 (en) * | 1991-10-30 | 1991-12-18 | Domino Printing Sciences Plc | Ink |
| AU3210000A (en) * | 1999-02-19 | 2000-09-04 | Markem Corporation | Stable titanium dioxide containing ink jet ink composition |
-
2001
- 2001-08-01 FR FR0110306A patent/FR2828204B1/fr not_active Expired - Fee Related
-
2002
- 2002-07-26 WO PCT/FR2002/002681 patent/WO2003011990A2/fr not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016186838A1 (fr) | 2015-05-15 | 2016-11-24 | Sun Chemical Corporation | Encres pour jet d'encre durcissables par rayons d'énergie et compositions de revêtement |
| EP3294815A4 (fr) * | 2015-05-15 | 2019-02-20 | Sun Chemical Corporation | Encres pour jet d'encre durcissables par rayons d'énergie et compositions de revêtement |
| EP3683278A4 (fr) * | 2017-10-20 | 2020-11-18 | LG Chem, Ltd. | Composition d'encre |
| US11214699B2 (en) | 2017-10-20 | 2022-01-04 | Lg Chem, Ltd. | Ink composition |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2828204A1 (fr) | 2003-02-07 |
| WO2003011990A3 (fr) | 2003-11-06 |
| FR2828204B1 (fr) | 2004-07-09 |
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