Reactive Polymer Composite Microparticles Based on Glycidyl Methacrylate and Magnetite Nanoparticles
Abstract
:1. Introduction
2. Experimental Part
2.1. Materials
2.2. Characterization
2.3. General Procedure of Preparation of Glycidyl-Functionalized Polymer Composite Microparticles
2.4. Post-Modification of Composite Microparticles with PAMAM Type of Polyamidoamine
2.5. Palladium(II) Acetate Immobilization
3. Results and Discussion
3.1. Preparation of Epoxy Functionalized Composite Microparticles
3.2. Attempts of Chemical Modification and Application of Composite Microparticles
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Entry | Abbr. | Fe3O4, wt.% | Average Size, µm | Diameter Range, µm | Fraction, % | Fe Content | ||
---|---|---|---|---|---|---|---|---|
Calculated, wt.% | Determined, wt.% | Modification Degree, % | ||||||
1 | 1a | - | 211 | 100–448 | 100 | - | - | - |
2 | 1b | 0.05 | 272 | 142–632 | 100 | 0.036 | 0.013 | 36.0 |
3 | 1c | 0.10 | 328 | 159–710 | 100 | - | - | - |
4 | 1d | 0.25 | 386 | 159–1002 | 95.1 | 0.181 | 0.048 | 26.5 |
5 | 1e | 0.50 | 256 | 112–633 | 95.7 | 0.361 | 0.068 | 18.8 |
6 | 1f | 0.75 | 298 | 142–633 | 100 | 0.542 | 0.095 | 17.5 |
7 * | 1g | 0.50 | 247 | 100–564 | 100 | - | - | - |
8 ** | 1h | 0.50 | 173 | 50—448 | 88.8 | - | - | - |
Polymerization Product | Epoxy Group Loading, mmol/ | Modification Product | Nitrogen Content, | Epoxy Group Conversion, % | |
---|---|---|---|---|---|
wt.% | mmol/g | ||||
1a | 1.33 | - | - | - | - |
1d | 1.25 | 2d | 4.99 | 3.56 | 36 |
1e | 1.29 | 2e | 5.74 | 4.10 | 41 |
Entry | R | T °C | Catalyst 3e, mol% | Time, min | Conversion of ArBr, % |
---|---|---|---|---|---|
1 | OCH3 | 70 | 0.1 | 150 | 98 |
2 | OCH3 | 70 | 0.25 | 60 | 100 |
3 | OCH3 | 70 | 0.5 | 45 | 100 |
4 | OCH3 | 25 | 0.5 | 360 | 88 |
5 | OCH3 | 50 | 0.5 | 120 | 96 |
6 | H | 70 | 0.5 | 20 | 100 |
7 | CHO | 70 | 0.5 | 10 | 100 |
8 | Naphtyl | 70 | 0.5 | 30 | 97 |
9 | F | 70 | 0.5 | 90 | 96 |
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Bukowska, A.; Bester, K.; Flaga, S.; Bukowski, W. Reactive Polymer Composite Microparticles Based on Glycidyl Methacrylate and Magnetite Nanoparticles. Solids 2024, 5, 151-171. https://doi.org/10.3390/solids5010011
Bukowska A, Bester K, Flaga S, Bukowski W. Reactive Polymer Composite Microparticles Based on Glycidyl Methacrylate and Magnetite Nanoparticles. Solids. 2024; 5(1):151-171. https://doi.org/10.3390/solids5010011
Chicago/Turabian StyleBukowska, Agnieszka, Karol Bester, Sylwia Flaga, and Wiktor Bukowski. 2024. "Reactive Polymer Composite Microparticles Based on Glycidyl Methacrylate and Magnetite Nanoparticles" Solids 5, no. 1: 151-171. https://doi.org/10.3390/solids5010011