Optimizing dispersion in sublimation inkjet inks: unveiling the role of sodium naphthalene sulfonate formaldehyde condensate as a co-dispersant.
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| Title: | Optimizing dispersion in sublimation inkjet inks: unveiling the role of sodium naphthalene sulfonate formaldehyde condensate as a co-dispersant. |
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| Authors: | Jalili, Mojtaba1 (AUTHOR) Jalili@icrc.ac.ir, Naeini, Mohsen Mohammad Raei1 (AUTHOR) mnnayini@icrc.ac.ir, Ajili, Narges1 (AUTHOR) |
| Source: | Journal of Coatings Technology & Research. Jul2025, Vol. 22 Issue 4, p1557-1572. 16p. |
| Subjects: | Dispersing agents, Dispersion (Chemistry), Ink-jet printers, Pigment analysis, Particle size distribution, Sulfonates, Colorimetric analysis |
| Abstract: | The primary challenge in the development of sublimation inkjet inks lies in achieving a uniform, low particle size, and stable dispersion of pigments. This study addresses this issue by exploring the incorporation of sodium naphthalene sulfonate formaldehyde polymer (SNF) as a co-dispersant. Sublimation inkjet inks must maintain a particle size below 200 nm to ensure optimal printing behavior. The investigation focuses on the impact of SNF incorporation in the dispersion process of direct red 60 pigment and its optimum usage level. Results indicate that the presence of SNF in the formulation, at a concentration of 20% by weight of dye, optimizes ink behavior during dispersion. Comprehensive analysis techniques such as rheological characterization, turbidity monitoring over time, UV–Vis spectroscopy, filterability measurement, and dynamic light scattering analysis demonstrate the superior performance of the SNF-treated sample with SNF to dye weight ratio of 20% in achieving stable, uniform, and low particle size dispersion of pigment in the ink as well as flowability and rheological properties. However, further evaluation from the perspectives of printability and transfer yields unexpected findings. Contrary to the conventional assumption that inkjet inks with better dispersion exhibit superior overall performance in the final printing product, the SNF-treated sample with the tiniest and most uniform particle size and the highest flowability shows inferior performance in the transfer process. Colorimetric analysis of printed samples on transfer paper and polyester fabric reveals that sample with the tiniest particle sizes and the highest flowability penetrates deeper into the transfer paper, hindering their effective transfer to the fabric, especially at low transfer temperatures. In other words, while SNF exhibits a desirable effect on sublimation inkjet ink formulation, its optimal usage level must be carefully optimized, considering not only dispersion quality but also the colorimetric aspects of the final printed product. This underscores the importance of a nuanced approach to formulation optimization to achieve optimal printing performance in sublimation inkjet printing on polyester fabrics. [ABSTRACT FROM AUTHOR] |
| Copyright of Journal of Coatings Technology & Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
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| Header | DbId: egs DbLabel: Engineering Source An: 187261754 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Optimizing dispersion in sublimation inkjet inks: unveiling the role of sodium naphthalene sulfonate formaldehyde condensate as a co-dispersant. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Jalili%2C+Mojtaba%22">Jalili, Mojtaba</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> Jalili@icrc.ac.ir</i><br /><searchLink fieldCode="AR" term="%22Naeini%2C+Mohsen+Mohammad+Raei%22">Naeini, Mohsen Mohammad Raei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> mnnayini@icrc.ac.ir</i><br /><searchLink fieldCode="AR" term="%22Ajili%2C+Narges%22">Ajili, Narges</searchLink><relatesTo>1</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Journal+of+Coatings+Technology+%26+Research%22">Journal of Coatings Technology & Research</searchLink>. Jul2025, Vol. 22 Issue 4, p1557-1572. 16p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Dispersing+agents%22">Dispersing agents</searchLink><br /><searchLink fieldCode="DE" term="%22Dispersion+%28Chemistry%29%22">Dispersion (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Ink-jet+printers%22">Ink-jet printers</searchLink><br /><searchLink fieldCode="DE" term="%22Pigment+analysis%22">Pigment analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Particle+size+distribution%22">Particle size distribution</searchLink><br /><searchLink fieldCode="DE" term="%22Sulfonates%22">Sulfonates</searchLink><br /><searchLink fieldCode="DE" term="%22Colorimetric+analysis%22">Colorimetric analysis</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: The primary challenge in the development of sublimation inkjet inks lies in achieving a uniform, low particle size, and stable dispersion of pigments. This study addresses this issue by exploring the incorporation of sodium naphthalene sulfonate formaldehyde polymer (SNF) as a co-dispersant. Sublimation inkjet inks must maintain a particle size below 200 nm to ensure optimal printing behavior. The investigation focuses on the impact of SNF incorporation in the dispersion process of direct red 60 pigment and its optimum usage level. Results indicate that the presence of SNF in the formulation, at a concentration of 20% by weight of dye, optimizes ink behavior during dispersion. Comprehensive analysis techniques such as rheological characterization, turbidity monitoring over time, UV–Vis spectroscopy, filterability measurement, and dynamic light scattering analysis demonstrate the superior performance of the SNF-treated sample with SNF to dye weight ratio of 20% in achieving stable, uniform, and low particle size dispersion of pigment in the ink as well as flowability and rheological properties. However, further evaluation from the perspectives of printability and transfer yields unexpected findings. Contrary to the conventional assumption that inkjet inks with better dispersion exhibit superior overall performance in the final printing product, the SNF-treated sample with the tiniest and most uniform particle size and the highest flowability shows inferior performance in the transfer process. Colorimetric analysis of printed samples on transfer paper and polyester fabric reveals that sample with the tiniest particle sizes and the highest flowability penetrates deeper into the transfer paper, hindering their effective transfer to the fabric, especially at low transfer temperatures. In other words, while SNF exhibits a desirable effect on sublimation inkjet ink formulation, its optimal usage level must be carefully optimized, considering not only dispersion quality but also the colorimetric aspects of the final printed product. This underscores the importance of a nuanced approach to formulation optimization to achieve optimal printing performance in sublimation inkjet printing on polyester fabrics. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Journal of Coatings Technology & Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1007/s11998-024-01060-w Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 16 StartPage: 1557 Subjects: – SubjectFull: Dispersing agents Type: general – SubjectFull: Dispersion (Chemistry) Type: general – SubjectFull: Ink-jet printers Type: general – SubjectFull: Pigment analysis Type: general – SubjectFull: Particle size distribution Type: general – SubjectFull: Sulfonates Type: general – SubjectFull: Colorimetric analysis Type: general Titles: – TitleFull: Optimizing dispersion in sublimation inkjet inks: unveiling the role of sodium naphthalene sulfonate formaldehyde condensate as a co-dispersant. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Jalili, Mojtaba – PersonEntity: Name: NameFull: Naeini, Mohsen Mohammad Raei – PersonEntity: Name: NameFull: Ajili, Narges IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 07 Text: Jul2025 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 19459645 Numbering: – Type: volume Value: 22 – Type: issue Value: 4 Titles: – TitleFull: Journal of Coatings Technology & Research Type: main |
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