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Chemical reaction of maritime pine sapwood (Pinus pinaster Soland) with alkoxysilane molecules: A study of chemical pathways by Gilles Sèbe; Philippe Tingaut; Rodrigue Safou-Tchiama; Michel Pétraud; Stéphane Grelier; Bernard De Jéso is a Engineering article available to read on EtoBox.

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## Abstract The chemical modification of maritime pine sapwood (__Pinus pinaster__) with alkoxysilanes was studied according to three different pathways: carbamoylation with 3-isocyanatopropyltriethoxysilane, etherification with 3-glycidoxypropyltrimethoxysilane and alcoholysis of n-propyltrimethoxysilane. Grafting was confirmed by weight percent gain calculations (WPG), infrared spectroscopy (FTIR) as well as ^13^C and ^29^Si NMR CP MAS analysis. Signals of the grafted groups in the different spectra were assigned and the reactivity of the trialkoxysilane moieties towards wood was discussed. Experiments with model wood blocks showed that the reactions investigated occurred within the wood cell walls. Grafted chemicals were found to be relatively stable with regard to water leaching but only slight dimensional stabilisation was noted after treatment.

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Author

Gilles Sèbe; Philippe Tingaut; Rodrigue Safou-Tchiama; Michel Pétraud; Stéphane Grelier; Bernard De Jéso

Publisher

Walter de Gruyter GmbH

Published

2004

Language

EN

Field

Engineering (Physical Sciences)