When a Small Amount of Comonomer Is Enough: Tailoring the Critical Solution Temperature of LCST-Type Thermoresponsive Random Copolymers by PEG Methyl Ether Methacrylate with 1100 g/mol Molecular Weight.
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| Title: | When a Small Amount of Comonomer Is Enough: Tailoring the Critical Solution Temperature of LCST-Type Thermoresponsive Random Copolymers by PEG Methyl Ether Methacrylate with 1100 g/mol Molecular Weight. |
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| Authors: | Kasza, György1 (AUTHOR) kasza.gyorgy@ttk.hu, Sármezey, Bence1,2 (AUTHOR) fecske.dora@ttk.hu, Fecske, Dóra1,2 (AUTHOR) verebelyi.klara@ttk.hu, Verebélyi, Klára1 (AUTHOR), Iván, Béla1 (AUTHOR) kasza.gyorgy@ttk.hu |
| Source: | Materials (1996-1944). Jan2025, Vol. 18 Issue 2, p372. 17p. |
| Subjects: | Random copolymers, Methyl methacrylate, Ethyl acrylate, Ethylene glycol, Critical temperature |
| Abstract: | Tuning the critical solution temperature (CST) of thermoresponsive polymers is essential to exploit their immense potential in various applications. In the present study, the effect of PEG-methyl ether methacrylate with a higher molecular weight of 1100 g/mol (mPEGMA1100) as a comonomer was investigated for its suitability for the CST adjustment of LCST-type polymers. Accordingly, a library of mPEGMA1100-based copolymers was established with varying compositions (XmPEGMA1100) using four main comonomers, namely di(ethylene glycol) ethyl ether acrylate, N-isopropyl acrylamide and methacrylamide, and mPEGMA300, with different CST values (cloud points, TCP, and clearing points, TCL, by turbidimetry). It was found that less than 20 mol% of the mPEGMA1100 in the copolymers is practically sufficient for tuning the CST in the entire measurable temperature range, i.e., up to 100 °C, regardless of the CST of the homopolymer of the main comonomer (CST0). Moreover, a predictive asymptotic model was developed based on the measured CST values, which strikingly revealed that the CSTs of mPEGMA1100-containing copolymers depend only on the two main parameters of these copolymers, XmPEGMA1100 and the CST of the homopolymer of the main comonomer (CST0), that is, CST = f(CST0, XmPEGMA1100). The revealed two-parameter relationship defines a surface in 3D plotting, and it is applicable to determine the CST of copolymers in advance for a given composition or to define the suitable composition for a required CST value. These unprecedented results on the dependence of CSTs on two major well-defined parameters enable to design a variety of novel macromolecular structures with tailored thermoresponsive properties. [ABSTRACT FROM AUTHOR] |
| Copyright of Materials (1996-1944) is the property of MDPI 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.) | |
| Database: | Engineering Source |
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| Header | DbId: egs DbLabel: Engineering Source An: 182445766 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: When a Small Amount of Comonomer Is Enough: Tailoring the Critical Solution Temperature of LCST-Type Thermoresponsive Random Copolymers by PEG Methyl Ether Methacrylate with 1100 g/mol Molecular Weight. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Kasza%2C+György%22">Kasza, György</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> kasza.gyorgy@ttk.hu</i><br /><searchLink fieldCode="AR" term="%22Sármezey%2C+Bence%22">Sármezey, Bence</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> fecske.dora@ttk.hu</i><br /><searchLink fieldCode="AR" term="%22Fecske%2C+Dóra%22">Fecske, Dóra</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> verebelyi.klara@ttk.hu</i><br /><searchLink fieldCode="AR" term="%22Verebélyi%2C+Klára%22">Verebélyi, Klára</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Iván%2C+Béla%22">Iván, Béla</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> kasza.gyorgy@ttk.hu</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Materials+%281996-1944%29%22">Materials (1996-1944)</searchLink>. Jan2025, Vol. 18 Issue 2, p372. 17p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Random+copolymers%22">Random copolymers</searchLink><br /><searchLink fieldCode="DE" term="%22Methyl+methacrylate%22">Methyl methacrylate</searchLink><br /><searchLink fieldCode="DE" term="%22Ethyl+acrylate%22">Ethyl acrylate</searchLink><br /><searchLink fieldCode="DE" term="%22Ethylene+glycol%22">Ethylene glycol</searchLink><br /><searchLink fieldCode="DE" term="%22Critical+temperature%22">Critical temperature</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Tuning the critical solution temperature (CST) of thermoresponsive polymers is essential to exploit their immense potential in various applications. In the present study, the effect of PEG-methyl ether methacrylate with a higher molecular weight of 1100 g/mol (mPEGMA1100) as a comonomer was investigated for its suitability for the CST adjustment of LCST-type polymers. Accordingly, a library of mPEGMA1100-based copolymers was established with varying compositions (XmPEGMA1100) using four main comonomers, namely di(ethylene glycol) ethyl ether acrylate, N-isopropyl acrylamide and methacrylamide, and mPEGMA300, with different CST values (cloud points, TCP, and clearing points, TCL, by turbidimetry). It was found that less than 20 mol% of the mPEGMA1100 in the copolymers is practically sufficient for tuning the CST in the entire measurable temperature range, i.e., up to 100 °C, regardless of the CST of the homopolymer of the main comonomer (CST0). Moreover, a predictive asymptotic model was developed based on the measured CST values, which strikingly revealed that the CSTs of mPEGMA1100-containing copolymers depend only on the two main parameters of these copolymers, XmPEGMA1100 and the CST of the homopolymer of the main comonomer (CST0), that is, CST = f(CST0, XmPEGMA1100). The revealed two-parameter relationship defines a surface in 3D plotting, and it is applicable to determine the CST of copolymers in advance for a given composition or to define the suitable composition for a required CST value. These unprecedented results on the dependence of CSTs on two major well-defined parameters enable to design a variety of novel macromolecular structures with tailored thermoresponsive properties. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Materials (1996-1944) is the property of MDPI 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: 10.3390/ma18020372 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 17 StartPage: 372 Subjects: – SubjectFull: Random copolymers Type: general – SubjectFull: Methyl methacrylate Type: general – SubjectFull: Ethyl acrylate Type: general – SubjectFull: Ethylene glycol Type: general – SubjectFull: Critical temperature Type: general Titles: – TitleFull: When a Small Amount of Comonomer Is Enough: Tailoring the Critical Solution Temperature of LCST-Type Thermoresponsive Random Copolymers by PEG Methyl Ether Methacrylate with 1100 g/mol Molecular Weight. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Kasza, György – PersonEntity: Name: NameFull: Sármezey, Bence – PersonEntity: Name: NameFull: Fecske, Dóra – PersonEntity: Name: NameFull: Verebélyi, Klára – PersonEntity: Name: NameFull: Iván, Béla IsPartOfRelationships: – BibEntity: Dates: – D: 15 M: 01 Text: Jan2025 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 19961944 Numbering: – Type: volume Value: 18 – Type: issue Value: 2 Titles: – TitleFull: Materials (1996-1944) Type: main |
| ResultId | 1 |
