GB2615930A - Printing ink - Google Patents
Printing ink Download PDFInfo
- Publication number
- GB2615930A GB2615930A GB2307522.9A GB202307522A GB2615930A GB 2615930 A GB2615930 A GB 2615930A GB 202307522 A GB202307522 A GB 202307522A GB 2615930 A GB2615930 A GB 2615930A
- Authority
- GB
- United Kingdom
- Prior art keywords
- inkjet ink
- weight
- ink
- aminoketone
- thioxanthone
- 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.)
- Granted
Links
- YRHRIQCWCFGUEQ-UHFFFAOYSA-N thioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1 YRHRIQCWCFGUEQ-UHFFFAOYSA-N 0.000 claims abstract 10
- 239000000463 material Substances 0.000 claims abstract 3
- 238000000034 method Methods 0.000 claims abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical group N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 4
- 239000000178 monomer Substances 0.000 claims 4
- 125000004400 (C1-C12) alkyl group Chemical group 0.000 claims 3
- 125000003342 alkenyl group Chemical group 0.000 claims 3
- 125000002877 alkyl aryl group Chemical group 0.000 claims 3
- 125000000304 alkynyl group Chemical group 0.000 claims 3
- 125000003710 aryl alkyl group Chemical group 0.000 claims 3
- 125000003118 aryl group Chemical group 0.000 claims 3
- 125000001072 heteroaryl group Chemical group 0.000 claims 3
- 229910052739 hydrogen Inorganic materials 0.000 claims 3
- 239000001257 hydrogen Substances 0.000 claims 3
- 239000000758 substrate Substances 0.000 claims 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 2
- 229910052736 halogen Inorganic materials 0.000 claims 2
- 150000002367 halogens Chemical class 0.000 claims 2
- 150000002431 hydrogen Chemical class 0.000 claims 2
- 238000007641 inkjet printing Methods 0.000 claims 2
- 229910052757 nitrogen Inorganic materials 0.000 claims 2
- 229910052760 oxygen Inorganic materials 0.000 claims 2
- 239000001301 oxygen Substances 0.000 claims 2
- 229920000642 polymer Polymers 0.000 claims 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 claims 1
- 229910052717 sulfur Chemical group 0.000 claims 1
- 239000011593 sulfur Chemical group 0.000 claims 1
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
- C09D11/02—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
-
- 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
- C09D11/38—Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The present invention provides an inkjet ink comprising a radiation-curable material and a photoinitiator package, wherein the photoinitiator package comprises: (i) 4.5 to 12.0% by weight of one or more polymeric α-aminoketone photoinitiators; (ii) 1.5 to 5.0% by weight in total of one or more polymeric thioxanthone photoinitiators; and (iii) 1.0 to 5.0% by weight of; wherein the amounts are based on the total weight of the ink. The present invention also provides a method of printing the inkjet ink of the present invention.
Claims (15)
- Claims1 . An inkjet ink comprising a radiation-curable material and a photoinitiator package, wherein the photoinitiator package comprises: (i) 4.5 to 12.0% by weight of one or more polymeric a-aminoketone photoinitiators; (ii) 1 .5 to 5.0% by weight in total of one or more polymeric thioxanthone photoinitiators; and (iii) 1 .0 to 5.0% by weight of wherein the amounts are based on the total weight of the ink.
- 2. An inkjet ink as claimed in claim 1 , wherein the photoinitiator package comprises (i) 5.5 to 10.0% by weight of one or more polymeric a-aminoketone photoinitiators, based on the total weight of the ink.
- 3. An inkjet ink as claimed in claims 1 or 2, wherein the photoinitiator package comprises (iii) 3.0 to 4.5% by weight of
- 4. An inkjet ink as claimed in any preceding claim, wherein the photoinitiator package comprises (ii) 2.0 to 4.0% by weight in total of one or more polymeric thioxanthone photoinitiators, based on the total weight of the ink.
- 5. An inkjet ink as claimed in any preceding claim, wherein the one or more polymeric a- aminoketone photoinitiators comprise two or more a-aminoketone units connected by an a- aminoketone linking unit, wherein the a-aminoketone unit has the structure: wherein R1, R2, R3, R4 and R5 are independently: hydrogen; C1-12 alkyl; C2-12 alkenyl; C2-12 alkynyl; C7-12 aralkyl; C7-12 alkaryl; C6-12 aryl; C5-12 heteroaryl; C2-C12 acylalkyl; oxygen, nitrogen or sulfur substituted with any of hydrogen, C1-12 alkyl, C2-12 alkenyl, C2-12 alkynyl, C7-12 aralkyl, C7-12 alkaryl, CB-12 aryl, C5-12 heteroaryl and/or C2-C12 acylalkyl; halogen; combinations thereof; the a- aminoketone linking unit; or two of R1, R2, R3, R4 and R5 together form a ring with 5 to 7 members optionally including oxygen or nitrogen, with the proviso that one of R1, R2, R3, R4 and R5 is the a- aminoketone linking unit; and the a-aminoketone linking unit is a polymer.
- 6. An inkjet ink as claimed in claim 5, wherein the photoinitiator package comprises (i) wherein n is a value from 1 to 10, based on the total weight of the ink.
- 7. An inkjet ink as claimed in any preceding claim, wherein the one or more polymeric thioxanthone photoinitiators comprise two or more thioxanthone units connected by a thioxanthone linking unit, wherein the thioxanthone unit has the structure: wherein R1 , R2, R3, R4, R5, R6, R7 and R8 are independently hydrogen, halogen, C1-12 alkyl, C2-12 alkenyl, C2-12 alkynyl, C7-12 aralkyl, C7-12 alkaryl, C6-12 aryl, C5-12 heteroaryl or the thioxanthone linking unit, with the proviso that one of R1, R2, R3, R4, R5, R6, R7 and R8 is the thioxanthone linking unit; and the thioxanthone linking unit is a polymer.
- 8. An inkjet ink as claimed in claim 7, wherein the photoinitiator package comprises (ii) 46 wherein a+b+c+d is a value from 1 to 20, and/or wherein q is a value from 1 to 10.
- 9. An inkjet ink as claimed in claim 8, wherein the photoinitiator package comprises (ii) wherein a+b+c+d is a value from 1 to 20.
- 10. An inkjet ink as claimed in claims 8 or 9, wherein the photoinitiator package comprises (ii) wherein q is a value from 1 to 10.
- 11. An inkjet ink as claimed in any preceding claim, wherein the photoinitiator package is present in the ink in 7-30% by weight, preferably 10-25% by weight, more preferably 12-18% by weight, based on the total weight of the ink.
- 12. An inkjet ink as claimed in any preceding claim, wherein the radiation-curable material comprises a radiation-curable monomer and/or a radiation-curable oligomer and mixtures thereof.
- 13. An inkjet ink as claimed in claim 12, wherein the radiation-curable monomer comprises a di and/or multifunctional radiation-curable monomer, preferably a difunctional monomer.
- 14. A method of inkjet printing comprising inkjet printing the inkjet ink as claimed in any preceding claim onto a substrate and curing the inkjet ink by exposing the inkjet ink to a curing source, preferably wherein the curing source is a UV LED light .
- 15. A substrate having the inkjet ink as claimed in any one of claims 1 to 13 printed thereon, preferably wherein the substrate is food packaging.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB2017159.1A GB202017159D0 (en) | 2020-10-29 | 2020-10-29 | Printing ink |
| GBGB2017869.5A GB202017869D0 (en) | 2020-11-12 | 2020-11-12 | Printing ink |
| GBGB2109028.7A GB202109028D0 (en) | 2021-06-23 | 2021-06-23 | Printing ink |
| PCT/GB2021/052796 WO2022090718A1 (en) | 2020-10-29 | 2021-10-28 | Printing ink |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB202307522D0 GB202307522D0 (en) | 2023-07-05 |
| GB2615930A true GB2615930A (en) | 2023-08-23 |
| GB2615930B GB2615930B (en) | 2024-10-30 |
Family
ID=78617434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2307522.9A Active GB2615930B (en) | 2020-10-29 | 2021-10-28 | Printing ink |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB2615930B (en) |
| WO (1) | WO2022090718A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4056658A1 (en) * | 2021-03-12 | 2022-09-14 | Marabu GmbH & Co. KG | Radiation-curable compound |
| CN115044282B (en) * | 2022-08-17 | 2022-11-22 | 佛山市儒林化工有限公司 | Safe laminated non-migration UV gloss oil for external use of food cans and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2832553A1 (en) * | 2012-03-30 | 2015-02-04 | FUJIFILM Corporation | Inkjet recording method and printed matter |
| WO2016178989A1 (en) * | 2015-05-01 | 2016-11-10 | Sun Chemical Corporation | Electrically-insulating energy curable ink or coating composition |
| JP2017105902A (en) * | 2015-12-08 | 2017-06-15 | コニカミノルタ株式会社 | Active ray curable ink jet ink and image formation method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8801165B2 (en) | 2009-08-21 | 2014-08-12 | Sericol Limited | Printing ink, apparatus and method |
-
2021
- 2021-10-28 WO PCT/GB2021/052796 patent/WO2022090718A1/en not_active Ceased
- 2021-10-28 GB GB2307522.9A patent/GB2615930B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2832553A1 (en) * | 2012-03-30 | 2015-02-04 | FUJIFILM Corporation | Inkjet recording method and printed matter |
| WO2016178989A1 (en) * | 2015-05-01 | 2016-11-10 | Sun Chemical Corporation | Electrically-insulating energy curable ink or coating composition |
| JP2017105902A (en) * | 2015-12-08 | 2017-06-15 | コニカミノルタ株式会社 | Active ray curable ink jet ink and image formation method |
Also Published As
| Publication number | Publication date |
|---|---|
| GB202307522D0 (en) | 2023-07-05 |
| GB2615930B (en) | 2024-10-30 |
| WO2022090718A1 (en) | 2022-05-05 |
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