Renewable and Functional Wood Materials by Grafting Polymerization Within Cell Walls

Cabane, Etienne; Keplinger, Tobias; Merk, Vivian; Haß, Philipp; Burgert, Ingo

doi:10.1002/cssc.201301107

Cited by 97 publications

(71 citation statements)

References 34 publications

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“…7). Moreover, spatial chemical distributions in advanced modified materials have been mapped on the cell wall level using confocal Raman microscopy (Cabane et al 2014Keplinger et al 2015Keplinger et al , 2016. For studying the relation with water, vibrational spectroscopy has been used to examine the presence of water or the sorption of water from the molecular vibrations of water (Christensen et al 2006;Inagaki et al 2008;Tsuchikawa and Tsutsumi 1998 (Lindh et al 2016), a marked shift in vibrational wavenumbers of affected molecular bonds is seen.…”

Section: Vibrational Spectroscopymentioning

confidence: 99%

Experimental techniques for characterising water in wood covering the range from dry to fully water-saturated

2017

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Water plays a central role in wood research, since it affects all material properties relevant to the performance of wood materials. Therefore, experimental techniques for characterising water within wood are an essential part of nearly all scientific investigations of wood materials. This review focuses on selected experimental techniques that can give deeper insights into various aspects of water in wood in the entire moisture domain from dry to fully water-saturated. These techniques fall into three broad categories: (1) gravimetric techniques that determine how much water is absorbed, (2) fibre saturation techniques that determine the amount of water within cell walls, and (3) spectroscopic techniques that provide insights into chemical wood-water interactions as well as yield information on water distribution in the macro-void wood structure. For all techniques, the general measurement concept is explained, its history in wood science as well as advantages and limitations.

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Section: Vibrational Spectroscopymentioning

confidence: 99%

Experimental techniques for characterising water in wood covering the range from dry to fully water-saturated

2017

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“…Furthermore, the polymer chains should be covalently attached to the wood cell wall to achieve a stable modification without leaching of unbound chemicals. One possible approach is to attach a radical initiator to the wood cell wall to initiate in situ polymerization of hydrophobic monomers [16]. Another possibility to anchor polymer chains in the cell wall structure, which is presented here, is to modify hydroxyl groups with polymerizable molecules and to introduce reactive double bonds into the bulk wood in a modular approach.…”

Section: Introductionmentioning

confidence: 99%

A versatile strategy for grafting polymers to wood cell walls

et al. 2015

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“…Its high abundancy, facile workability, open porosity and mechanical integrity, makes wood an ideal sustainable resource to be used as structure providing scaffold in novel functional hybrid material systems [9,10,11,12,13,14]. …”

Section: Introductionmentioning

confidence: 99%

Characterization of Wood Derived Hierarchical Cellulose Scaffolds for Multifunctional Applications

et al. 2018

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Functional materials of high porosity and hierarchical structure, based on renewable building blocks, are highly demanded for material applications. In this regard, substantial progress has been made by functionalizing micro- and nano-sized cellulose followed by its reassembly via bottom-up approaches. However, bottom-up assembly processes are still limited in terms of upscaling and the utilization of these building blocks presupposes the disassembly of the plant feedstock inherit hierarchical cellulose scaffold. To maintain the three-dimensional structure, delignification processes from pulp and paper production were recently adapted for the treatment of bulk wood. Yet, a detailed chemical analysis and the determination of macroscopic swelling/shrinkage parameters for the scaffolds, necessary for a systematic design of cellulose scaffold based materials, are still missing. Here, acidic bleaching and soda pulping were used for producing cellulose scaffolds, for functional materials under retention of their inherent hierarchical structure. Spatially resolved chemical investigations on thin sections by Raman microscopy provided detailed information on the induced alterations at the cell wall level, revealing significant differences in dependence of the chemistry of the pre-treatment. An adaption to bulk wood samples proved the applicability of these treatments at larger scales and volumetric alterations at different atmospheric conditions indicated the effect of the altered porosity of the scaffolds on their hygroscopic behaviour.

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Renewable and Functional Wood Materials by Grafting Polymerization Within Cell Walls

Cited by 97 publications

References 34 publications

Experimental techniques for characterising water in wood covering the range from dry to fully water-saturated

Experimental techniques for characterising water in wood covering the range from dry to fully water-saturated

A versatile strategy for grafting polymers to wood cell walls

Characterization of Wood Derived Hierarchical Cellulose Scaffolds for Multifunctional Applications

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