ArticleMolecules (Basel, Switzerland)2018
A General Aqueous Silanization Protocol to Introduce Vinyl, Mercapto or Azido Functionalities onto Cellulose Fibers and Nanocelluloses.
Article in Molecules (Basel, Switzerland), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed, 70 citations in OpenAlex.
- A 25-Year Review of the Use of Silanized Hydroxypropylmethylcellulose Hydrogels in Tissue Engineering and Regenerative Medicine.Macromolecular bioscience · 2026Review
- Antibody-drug conjugates for infectious and neglected tropical diseases: chemical design principles, target biology, and translational challenges.Frontiers in chemistry · 2026Review
- Adsorption of Mercury in Aqueous Solutions by Functionalized Cellulose Extracted from Soybean Hulls.ChemPlusChem · 2025Article
- Surface-Vinylated Cellulose Nanocrystals as Cross-Linkers for Hydrogel Composites.Biomacromolecules · 2025Article
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- Photocross-Linkable and Shape-Memory Biomaterial Hydrogel Based on Methacrylated Cellulose Nanofibres.Biomacromolecules · 2023Article
- A library of new organofunctional silanes obtained by thiol-(meth)acrylate Michael addition reaction.RSC advances · 2023Article
- Understanding Nanocellulose-Water Interactions: Turning a Detriment into an Asset.Chemical reviews · 2023Review
- Fabrication of Woven Jute Fiber Epoxy Bio-Composites through the Epoxy/Thiol-Ene Photopolymerization Technique.Polymers · 2022Article
- APTES-Modified Nanocellulose as the Formaldehyde Scavenger for UF Adhesive-Bonded Particleboard and Strawboard.Polymers · 2022Article
- Spatioselective surface chemistry for the production of functional and chemically anisotropic nanocellulose colloids.Journal of materials chemistry. A · 2022Review
- Article
- Facile Preparation of Mechanically Robust and Functional Silica/Cellulose Nanofiber Gels Reinforced with Soluble Polysaccharides.Nanomaterials (Basel, Switzerland) · 2022Article
- Deconstruction and Reassembly of Renewable Polymers and Biocolloids into Next Generation Structured Materials.Chemical reviews · 2021Review
- Polyurethane Foam Composites Reinforced with Renewable Fillers for Cryogenic Insulation.Polymers · 2021Article
- Biofunctionalised bacterial cellulose scaffold supports the patterning and expansion of human embryonic stem cell-derived dopaminergic progenitor cells.Stem cell research & therapy · 2021Article
- Chemically Functionalized Cellulose Nanocrystals as Reactive Filler in Bio-Based Polyurethane Foams.Polymers · 2021Article
- Hydrogel-Forming Algae Polysaccharides: From Seaweed to Biomedical Applications.Biomacromolecules · 2021Review
- Article
- A Direct Silanization Protocol for Dialdehyde Cellulose.Molecules (Basel, Switzerland) · 2020Article
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The effective and straight-forward modification of nanostructured celluloses under aqueous conditions or as “never-dried” materials is challenging. We report a silanization protocol in water using catalytic amounts of hydrogen chloride and then sodium hydroxide in a two-step protocol. The acidic step hydrolyzes the alkoxysilane to obtain water-soluble silanols and the subsequent addition of catalytic amounts of NaOH induces a covalent reaction between cellulose surficial hydroxyl groups and the respective silanols. The developed protocol enables the incorporation of vinyl, thiol, and azido groups onto cellulose fibers and cellulose nanofibrils. In contrast to conventional methods, no curing or solvent-exchange is necessary, thereby the functionalized celluloses remain never-dried, and no agglomeration or hornification occurs in the process. The successful modification was proven by solid state NMR, ATR-IR, and EDX spectroscopy. In addition, the covalent nature of this bonding was shown by gel permeation chromatography of polyethylene glycol grafted nanofibrils. By varying the amount of silane agents or the reaction time, the silane loading could be tuned up to an amount of 1.2 mmol/g. Multifunctional materials were obtained either by prior carboxymethylation and subsequent silanization; or by simultaneously incorporating both vinyl and azido groups. The protocol reported here is an easy, general, and straight-forward avenue for introduction of anchor groups onto the surface of never-dried celluloses, ready for click chemistry post-modification, to obtain multifunctional cellulose substrates for high-value applications.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.