CA2407892C - Reduction permanente de la durete du bois - Google Patents

Reduction permanente de la durete du bois Download PDF

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Publication number
CA2407892C
CA2407892C CA2407892A CA2407892A CA2407892C CA 2407892 C CA2407892 C CA 2407892C CA 2407892 A CA2407892 A CA 2407892A CA 2407892 A CA2407892 A CA 2407892A CA 2407892 C CA2407892 C CA 2407892C
Authority
CA
Canada
Prior art keywords
wood
solution
prepolymer
autoclave
group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA2407892A
Other languages
English (en)
Other versions
CA2407892A1 (fr
Inventor
Andre Besner
Alain Vallee
Jean-Francois Labrecque
Roland Gilbert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hydro Quebec
Original Assignee
Hydro Quebec
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hydro Quebec filed Critical Hydro Quebec
Publication of CA2407892A1 publication Critical patent/CA2407892A1/fr
Application granted granted Critical
Publication of CA2407892C publication Critical patent/CA2407892C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B27K3/16—Inorganic impregnating agents
    • B27K3/22—Compounds of zinc or copper
    • 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
    • B27K3/16—Inorganic impregnating agents
    • B27K3/26—Compounds of iron, aluminium, or chromium
    • 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
    • B27K3/16—Inorganic impregnating agents
    • B27K3/28—Compounds of arsenic or antimony
    • 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
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/06—Softening or hardening of wood
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/02—Polyalkylene oxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Forests & Forestry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

Un article en bois est soumis à un passage sous vide dans une autoclave afin de retirer l'air qu'il contient. Puis, une solution contenant un prepolymère réticulable et hydrosoluble, un initiateur de polymérisation et, éventuellement, un produit de préservation du bois est introduite dans l'autoclave. La polymérisation permettant de créer un réseau polymère dans l'article en bois est réalisée dans une atmosphère qui peut être sensiblement exempte d'oxygène; le produit de conservation éventuellement ajouté étant fixé au bois de manière chimique. Ce procédé permet d'obtenir un article en bois présentant une diminution permanente de la dureté et une teneur en eau plus importante en équilibre.
CA2407892A 2000-05-15 2000-05-15 Reduction permanente de la durete du bois Expired - Lifetime CA2407892C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CA2000/000563 WO2001087560A1 (fr) 2000-05-15 2000-05-15 Diminution permanente de la durete du bois

Publications (2)

Publication Number Publication Date
CA2407892A1 CA2407892A1 (fr) 2001-11-22
CA2407892C true CA2407892C (fr) 2012-01-03

Family

ID=4143059

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2407892A Expired - Lifetime CA2407892C (fr) 2000-05-15 2000-05-15 Reduction permanente de la durete du bois

Country Status (4)

Country Link
EP (1) EP1282492A1 (fr)
AU (1) AU2000247382A1 (fr)
CA (1) CA2407892C (fr)
WO (1) WO2001087560A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7727544B2 (en) 2004-05-07 2010-06-01 The Regents Of The University Of California Treatment of myopia
WO2007147804A1 (fr) * 2006-06-21 2007-12-27 Transfurans Chemicals Procédé de modification de bois et bois ainsi obtenu
US11332596B2 (en) 2016-09-30 2022-05-17 Dow Global Technologies Llc Treated porous material

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4567115A (en) * 1982-12-16 1986-01-28 Bell Canada Pressure impregnation of wood poles for preservation
JPH0681681B2 (ja) * 1988-02-01 1994-10-19 大建工業株式会社 木材の化学的処理方法
JPH0617002B2 (ja) * 1988-07-27 1994-03-09 勇 能沢 樹皮の剥離防止及び寸法安定法
JPH03169504A (ja) * 1989-11-30 1991-07-23 Miroku Kihan Kk 改質木質材料及びその製造方法
JPH05220712A (ja) * 1992-02-06 1993-08-31 Mokuzai Seinou Kojo Gijutsu Kenkyu Kumiai 木材の寸法安定性を改質するための処理剤及び処理方法
FR2694758B1 (fr) * 1992-08-14 1994-10-21 Centre Nat Rech Scient Copolymères réticulablres obtenus par polycondensation et matériau à conduction ionique les contenant.
US5731096A (en) * 1995-08-04 1998-03-24 Hydro-Quebec Permanent decrease of wood hardness by in situ polymerization of pre-polymers

Also Published As

Publication number Publication date
WO2001087560A1 (fr) 2001-11-22
EP1282492A1 (fr) 2003-02-12
AU2000247382A1 (en) 2001-11-26
CA2407892A1 (fr) 2001-11-22

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Legal Events

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EEER Examination request
FZDC Discontinued application reinstated
MKEX Expiry

Effective date: 20200515