Fuel, Год журнала: 2024, Номер 381, С. 133320 - 133320
Опубликована: Окт. 1, 2024
Язык: Английский
Fuel, Год журнала: 2024, Номер 381, С. 133320 - 133320
Опубликована: Окт. 1, 2024
Язык: Английский
Polymers, Год журнала: 2024, Номер 16(13), С. 1759 - 1759
Опубликована: Июнь 21, 2024
Capturing carbon dioxide (CO2) is still a major obstacle in the fight against climate change and reduction of greenhouse gas emissions. To address this problem, we employed simple Friedel–Crafts alkylation to investigate effectiveness porous organic polymers (POPs) based on triphenylamine (TPA) trihydroxy aryl terms derived from chloranil (CH), designated as TPA-CH POP. We then treated POP with (3-mercaptopropyl)trimethoxysilane (3-MPTS), forming POP-SH nanocomposite enhance CO2 capture. Utilizing FTIR, solid-state NMR, SEM, TEM, along XPS techniques, molecular makeup, morphological characteristics, well physical features were thoroughly explored. Upon scorching 800 °C, demonstrated more thermal durability over POP, achieving char yield up 71.5 wt.%. The displayed 2.5-times better capture, comparable adsorption capacity 48.07 cm3 g−1 at 273 K. Additionally, found that exhibited an improved CO2/nitrogen (N2) selectivity versus original Typical enthalpy changes for capture somewhat increased by 3-MPTS coating, indicating greater binding energies between molecules adsorbent surface. Our outcomes demonstrate composite coated MPTS viable candidate effective uses. findings encourage investigation different functional groups optimization strategies.
Язык: Английский
Процитировано
6Diamond and Related Materials, Год журнала: 2024, Номер 150, С. 111768 - 111768
Опубликована: Ноя. 12, 2024
Язык: Английский
Процитировано
6Chemical Engineering Journal Advances, Год журнала: 2024, Номер unknown, С. 100691 - 100691
Опубликована: Ноя. 1, 2024
Язык: Английский
Процитировано
5Macromolecules, Год журнала: 2024, Номер unknown
Опубликована: Дек. 20, 2024
Herein, we synthesized a difunctionalized bio-based vanillin azine monomer (4,4′-((1E,1′E)-hydrazine-1,2-diylidenebis(methaneylylidene))bis(2-methoxyphenol), VBAZ-2OH) via Schiff base reaction between and hydrazine monohydride. Subsequently, successfully prepared 2,2′-(((1E,1′E)-hydrazine-1,2-diylidenebis(methaneylylidene))bis(8-methoxy-2H-benzo[e][1,3]oxazine-6,3(4H)-diyl))bis(ethan-1-ol), VBAZ-BZ-2OH), which contains oxazine units, through Mannich condensation of VBAZ-2OH with ethanolamine paraformaldehyde in 1,4-dioxane as the solvent. The chemical structures these two monomers (VBAZ-2OH VBAZ-BZ-2OH) were characterized by using NMR FTIR analyses. Our study aimed to investigate transesterification reactions blending different VBAZ-BZ-2OH/phenolic resin (BP) compositions PEO112-b-PCL99 (EC) diblock copolymer form various BP/EC blends. These blends exhibit competitive hydrogen-bonding interaction phenomena, analyzed one-dimensional two-dimensional Interestingly, after thermal treatment at 150 °C, ordered self-assembled lamellae or hexagonal packed cylinder transform into disordered micelle disorder structure result due EC becoming miscible VBAZ-BZ-2OH monomer, disrupting structure, was confirmed TEM SAXS could easily understand order–disorder morphological transformation replace thermogravimetric analysis (TGA) coupled microcomputed gas chromatography (TGA-GC)
Язык: Английский
Процитировано
5Fuel, Год журнала: 2024, Номер 381, С. 133320 - 133320
Опубликована: Окт. 1, 2024
Язык: Английский
Процитировано
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