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Hydrophobic Organic Aerogels Based on Trimethoxy Benzene

Anklam, Thomas and Farés, Christophe and Tannert, René (2022) Hydrophobic Organic Aerogels Based on Trimethoxy Benzene. In: 7th International Conference on Multifunctional, Hybrid and Nanomaterials. Elsevier. 7th International Conference on Multifunctional, Hybrid and Nanomaterials, 19.-22. Okt. 2022, Genua, Italien.

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Abstract

Aerogels are open porous nanostructured solids obtained by a sol-gel process followed by drying of the wet gel. They can be of inorganic or organic nature, rigid or flexible, translucent or opaque and are characterized by their remarkably low densities, low heat conductivities, high surface areas and low sound transmittance.[1] The most prominent example of an organic aerogel is the resorcinol-formaldehyde (RF) aerogel.[2] The phenolic nature of RF renders the material hydrophilic, a factor that partly limits its commercial use.[3] In order to address this issue, we report on the condensation of the phenolic ether 1,3,5-trimethoxybenzene (TMB) with formaldehyde (F) yielding inherently hydrophobic aerogels. Suitable synthetic conditions, as well as investigations on structure and wetting properties of the aerogels are presented. [1]: L. Ratke, P. Gurikov, The Chemistry and Physics of Aerogels: Synthesis, Processing, and Properties, Cambridge University Press, Cambridge, 2021. [2]: a) R. W. Pekala, J. Mater. Sci. 1989, 24, 3221-3227. b) S. Mulik, C. Sotiriou-Leventis, N. Leventis, Chem. Mater. 2007, 19, 6138-6144. c) A. M. ElKhatat, S. A. Al-Muhtaseb, Adv. Mater. 2011, 23, 2887-2903. [3]: A. V. Rao, G. M. Pajonk, D. Y. Nadargi, M. M. Koebel, in Aerogels Handbook (Eds.: M. A. Aegerter, N. Leventis, M. M. Koebel), Springer New York, New York, NY, 2011, pp. 79-101.

Item URL in elib:https://elib.dlr.de/189467/
Document Type:Conference or Workshop Item (Speech)
Title:Hydrophobic Organic Aerogels Based on Trimethoxy Benzene
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Anklam, ThomasThomas.Anklam (at) dlr.dehttps://orcid.org/0000-0002-3192-907X
Farés, Christophefares (at) mpi-muelheim.mpg.dehttps://orcid.org/0000-0001-6709-5057
Tannert, RenéRene.Tannert (at) dlr.dehttps://orcid.org/0000-0001-9484-8886
Date:22 October 2022
Journal or Publication Title:7th International Conference on Multifunctional, Hybrid and Nanomaterials
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Editors:
EditorsEmailEditor's ORCID iD
Antonietti, Markusoffice.cc@mpikg.mpg.dehttps://orcid.org/0000-0002-8395-7558
Sanchez, Clémentclement.sanchez@upmc.frhttps://orcid.org/0000-0002-6426-4844
Xu, Rongrxu@ntu.edu.sghttps://orcid.org/0000-0002-7562-2627
Publisher:Elsevier
Status:Published
Keywords:aerogel, hydrophobic, phloroglucinol ether, NMR, sorption, wetting behavior
Event Title:7th International Conference on Multifunctional, Hybrid and Nanomaterials
Event Location:Genua, Italien
Event Type:international Conference
Event Dates:19.-22. Okt. 2022
Organizer:Elsevier
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Road Transport
DLR - Research area:Transport
DLR - Program:V ST Straßenverkehr
DLR - Research theme (Project):V - FFAE - Fahrzeugkonzepte, Fahrzeugstruktur, Antriebsstrang und Energiemanagement
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Research > Aerogels and Aerogel Composites
Deposited By: Anklam, Thomas
Deposited On:03 Nov 2022 08:55
Last Modified:03 Nov 2022 08:55

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