[go: up one dir, main page]

Hofmann et al., 2008 - Google Patents

Investigation of the chemical changes in the structure of wood thermally modified within a nitrogen atmosphere autoclave

Hofmann et al., 2008

View PDF
Document ID
18109712308103606870
Author
Hofmann T
Rétfalvi T
Albert L
Niemz P
Publication year
Publication venue
Wood research

External Links

Snippet

Thermal modification beneficially alters several technological parameters of wood. The changes in the physical parameters are due to the significant/various alterations of the structure and the chemical composition of wood, which take place during the modification …
Continue reading at www.woodresearch.sk (PDF) (other versions)

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02—Processes; Apparatus
    • B27K3/0278—Processes; Apparatus involving an additional treatment during or after impregnation
    • B27K3/0292—Processes; Apparatus involving an additional treatment during or after impregnation for improving fixation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02—Processes; Apparatus
    • B27K3/15—Impregnating involving polymerisation including use of polymer-containing impregnating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/34—Organic impregnating agents
    • B27K3/44—Tar; Mineral oil
    • B27K3/46—Coal tar

Similar Documents

Publication Publication Date Title
Niemz et al. Investigation of chemical changes in the structure of thermally modified wood
Rizanti et al. Comparison of teak wood properties according to forest management: short versus long rotation
EP1124671B1 (en) Bio-oil preservatives
Mburu et al. Evaluation of thermally modified Grevillea robusta heartwood as an alternative to shortage of wood resource in Kenya: Characterisation of physicochemical properties and improvement of bio-resistance
Arni et al. The emission of corrosive vapours by wood. I. Survey of the acid‐release properties of certain freshly felled hardwoods and softwoods
Yilgor et al. Physical, mechanical, and chemical properties of steamed beech wood
Theapparat et al. Physicochemical characteristics of wood vinegars from carbonization of Leucaena leucocephala, Azadirachta indica, Eucalyptus camaldulensis, Hevea brasiliensis and Dendrocalamus asper
Grinins et al. Analytical pyrolysis as an instrument to study the chemical transformations of hydrothermally modified wood
Missio et al. Thermochemical and physical properties of two fast-growing eucalypt woods subjected to two-step freeze–heat treatments
Hofmann et al. Investigation of the chemical changes in the structure of wood thermally modified within a nitrogen atmosphere autoclave
Li et al. Chemical analysis of densification, drying, and heat treatment of Scots pine (Pinus sylvestris L.) through a hot-pressing process
Romagnoli et al. Physical and mechanical characteristics of poor-quality wood after heat treatment
Čabalová et al. Impact of thermal loading on selected chemical and morphological properties of spruce ThermoWood
SCHULZ et al. Chemical, mechanical, thermal, and colorimetric features of the thermally treated Eucalyptus grandis wood planted in Brazil
Yonggun et al. Evaluation of the basic properties for the Korean major domestic wood species I. Korean red pine (Pinus densiflora) in Pyeongchang-gun, Gangwon-do
SALTHAMMER* et al. Release of acetic acid and furfural from cork products
Zawadzki et al. The influence of heat treatment on the physico-chemical properties of pinewood (Pinus sylvestris L.)
EP3727772B1 (en) Process for producing modified wood product
Hofmann et al. INVESTIGATION OF THE CHEMICAL CHANGES IN THE STRUCTURE OF WOOD THERMALLY MODIFIED WITHIN A NITROGEN ATMOSPEHERE AUTOCLAVE
Akyurek et al. Effects of heat treatment on some chemical compound and mechanical properties of black pine wood
Niemz et al. Investigation of chemical changes in the structure of wood thermally modified
Vinciguerra et al. Wood decay characterization of a naturally infected London plane-tree in urban environment using Py-GC/MS
Awoyemi et al. Pre-freezing as a pre-treatment for thermal modification of wood. Part 2: surface properties and termite resistance
Jamalirad et al. Physical and mechanical properties of plywood manufactured from treated red-heart beech (Fagus orientalis L.) wood veneers.
Candelier et al. Decay resistance variability of European wood species thermally modified by industrial process