Towards novel wood-based materials: Chemical bonds between lignin-like model molecules and poly(furfuryl alcohol) studied by NMR

Nordstierna, Lars; Lande, Stig; Westin, Mats; Karlsson, Olov; Furó, István

doi:10.1515/hf.2008.110

Cited by 97 publications

(70 citation statements)

References 13 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Two main processes for production of furfurylated wood have been developed for Kebony ASA: KebonyTM for hardwood modification and VisorWoodTM for softwood modification. NMR investigations with soluble lignin models indicated that the furan polymer grafts to lignin, supporting observations made with wood materials (Nordstierna et al 2008). Toxicity of furfuryl alcohol may constitute a drawback for this treatment, however, toxicity is strongly reduced after polymerisation.…”

Section: Furfurylation Treatmentsupporting

confidence: 71%

New alternatives for wood preservation based on thermal and chemical modification of wood— a review

Gérardin

2015

Annals of Forest Science

200

126

View full text Add to dashboard Cite

Key message Increasing environmental pressures appearing over the last few years have led to important changes in the field of wood protection. In this context, new technologies, based either on thermal or chemical modifications, suggest increasing interest in prospect of programmed ban of biocide products.• Context The evolution of the regulations on the use of biocide products has led to important changes in the field of wood preservation, leading to an increasing interest for non-biocide treatments like thermal or chemical modifications to face to the programmed ban of biocide products.• Aims The paper reviews the different non-biocide alternatives developed currently on an industrial scale, highlighting their main characteristics and applications.• Results Different treatments have been developed on an industrial scale involving mainly thermal modifications and acetylation, furfurylation and DMDHEU constituting already available solutions.• Conclusion Different non-biocide alternatives already exist and will become more important in the next decades due to the increasing legislative pressure driven by environmental considerations.

show abstract

Section: Furfurylation Treatmentsupporting

confidence: 71%

New alternatives for wood preservation based on thermal and chemical modification of wood— a review

Gérardin

2015

Annals of Forest Science

200

126

View full text Add to dashboard Cite

show abstract

“…Even today, the question of whether furfurylation is a distinct chemical modification process remains unanswered. Some scientists believe that it comprises a chemical modification process, since the furfuryl alcohol polymer reacts with itself and possibly reacts with the lignin in the cell walls , Nordstierna et al 2008, Gérardin 2016, Li et al 2016. Thus, the furfuryl alcohol complexes are predominantly deposited in the wood cavities and cell walls (Fig.…”

Section: Furfurylationmentioning

confidence: 99%

Wood modification technologies - a review

Sandberg¹,

Kutnar²,

Mantanis³

2017

iForest

353

197

View full text Add to dashboard Cite

The market for new durable products of modified wood has increased substantially during the last few years, especially in Europe. This increased interest depends partly on the restricted use of toxic preservatives due to increased environmental concern, as well as the need for reduced maintenance for wood products that are mainly for exterior use. Furthermore, as sustainability becomes a greater concern, the environmental impact of construction and interior materials should be included in planning by considering the entire life cycle and embodied energy of the materials used. As a result, wood modification has been implemented to improve the intrinsic properties of wood, widen the range of sawn timber applications, and acquire the form and functionality desired by engineers, without bringing environmental friendliness into question. The different wood modification processes are at various stages of development, and the challenges that must be overcome to expand to industrial applications differ amongst them. In this paper, three groups of wood modification processes are discussed and exemplified with modified wood products that have been newly introduced to the market: (i) chemical processing (acetylation, furfurylation, resin impregnation etc.); (ii) thermo-hydro processing (thermal treatment); and (iii) thermo-hydro-mechanical processing (surface densification). Building on these examples, the paper will discuss the environmental impact assessment of modification processes and further development needs.

show abstract

“…The question of whether wood furfurylation is a true chemical modification of the cell wall remains unanswered by the scientific community. Some scientists believe that it comprises a chemical modification process, since the furfuryl alcohol polymer reacts with itself and possibly reacts with lignin in the cell walls (Nordstierma et al 2008;Lande et al 2008;Li et al 2016;Gérardin 2016). Hence, the furfuryl alcohol complexes are predominantly deposited in the wood cavities, and also in the cell walls (Fig.…”

Section: Furfurylationmentioning

confidence: 99%

Chemical Modification of Wood by Acetylation or Furfurylation: A Review of the Present Scaled-up Technologies

Mantanis¹

2017

BioResources

119

View full text Add to dashboard Cite

Significant developments in the area of wood modification have been achieved during the last three decades. These developments can be attributed to increased environmental concerns, the escalating demand for a high and constant quality of wood products, and the rising prices of the durable tropical timber as well as its very limited availability, as affected by illegal logging. As a consequence, a number of wood modification techniques such as chemical and impregnation modifications or heat treatments have been introduced, and some of these technologies have reached the industrial level. This review paper deals with two successful technologies, that is, wood acetylation and wood furfurylation. It briefly discusses the advantages of the new modified products and presents in short their improved properties. Published findings indicate that chemical modification of wood, to a full or partial degree, by means of acetylation or furfurylation, offers a way to transform low durability wood species to new 'green' wood materials having advanced qualities and properties.

show abstract

Towards novel wood-based materials: Chemical bonds between lignin-like model molecules and poly(furfuryl alcohol) studied by NMR

Cited by 97 publications

References 13 publications

New alternatives for wood preservation based on thermal and chemical modification of wood— a review

New alternatives for wood preservation based on thermal and chemical modification of wood— a review

Wood modification technologies - a review

Chemical Modification of Wood by Acetylation or Furfurylation: A Review of the Present Scaled-up Technologies

Contact Info

Product

Resources

About