PT83263B - Processo para melhorar a estabilidade dimensional e a sua resistencia biologica de material lignocelulosico - Google Patents

Processo para melhorar a estabilidade dimensional e a sua resistencia biologica de material lignocelulosico

Info

Publication number
PT83263B
PT83263B PT83263A PT8326386A PT83263B PT 83263 B PT83263 B PT 83263B PT 83263 A PT83263 A PT 83263A PT 8326386 A PT8326386 A PT 8326386A PT 83263 B PT83263 B PT 83263B
Authority
PT
Portugal
Prior art keywords
lignocellulosic material
dimensional stability
acetic anhydride
time
dimension
Prior art date
Application number
PT83263A
Other languages
English (en)
Other versions
PT83263A (pt
Original Assignee
Rowell Roger M
Simonson Rune
Tillman Anne Marie
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 Rowell Roger M, Simonson Rune, Tillman Anne Marie filed Critical Rowell Roger M
Publication of PT83263A publication Critical patent/PT83263A/pt
Publication of PT83263B publication Critical patent/PT83263B/pt

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds
    • 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
    • B27K3/346—Grafting onto wood fibres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H8/00—Macromolecular compounds derived from lignocellulosic materials
    • 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
    • B27K3/0207—Pretreatment of wood before impregnation
    • B27K3/0214—Drying
    • 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
    • B27K3/08—Impregnating by pressure, e.g. vacuum impregnation

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Forests & Forestry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Details Of Garments (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Prostheses (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Materials For Medical Uses (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Laminated Bodies (AREA)
PT83263A 1985-08-28 1986-08-27 Processo para melhorar a estabilidade dimensional e a sua resistencia biologica de material lignocelulosico PT83263B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP85850268A EP0213252B1 (en) 1985-08-28 1985-08-28 A process for improving dimensional stability and biological resistance of lignocellulosic material

Publications (2)

Publication Number Publication Date
PT83263A PT83263A (pt) 1986-09-01
PT83263B true PT83263B (pt) 1988-08-17

Family

ID=8194721

Family Applications (1)

Application Number Title Priority Date Filing Date
PT83263A PT83263B (pt) 1985-08-28 1986-08-27 Processo para melhorar a estabilidade dimensional e a sua resistencia biologica de material lignocelulosico

Country Status (14)

Country Link
US (1) US4804384A (pt)
EP (1) EP0213252B1 (pt)
JP (1) JPH0622801B2 (pt)
AT (1) ATE60727T1 (pt)
AU (1) AU594072B2 (pt)
CA (1) CA1284563C (pt)
DE (1) DE3581737D1 (pt)
DK (1) DK170147B1 (pt)
ES (1) ES2001601A6 (pt)
FI (1) FI87432C (pt)
IN (1) IN168462B (pt)
NO (1) NO170201C (pt)
NZ (1) NZ217103A (pt)
PT (1) PT83263B (pt)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9021509D0 (en) * 1990-10-03 1990-11-14 Robson David J Improvements in or relating to the absorption of hydrophobic water-immiscible liquid
GB9220503D0 (en) * 1992-09-29 1992-11-11 Bp Chem Int Ltd Treatment of lignocellulosic materials
GB2271570A (en) * 1992-10-15 1994-04-20 David George Rogers Treating lignocellusosic material with acetic anhydride
AU7060494A (en) * 1993-06-09 1995-01-03 Triangle Pacific Corp. Hardened and fire retardant wood products
CA2101617C (en) * 1993-07-29 2001-02-06 Yoshihiro Hirano Manufacturing method for wood board
AU5287593A (en) * 1993-08-28 1995-03-22 A-Cell Acetyl Cellulosics Ab Method for improvement of paper properties such as wet strength and resistance to light induced ageing
GB9322187D0 (en) * 1993-10-28 1993-12-15 Bp Chem Int Ltd Acetylation of lignocellulosic materials
GB9403509D0 (en) * 1994-02-24 1994-04-13 Bp Chem Int Ltd Acetylation of lignocellulosic materials
US5470614A (en) * 1994-03-02 1995-11-28 The United States Of America As Represented By The Secretary Of Agriculture Treatment of wood and other lignocellulosic materials with iodates
EP0680810B1 (en) 1994-05-04 1998-07-22 Stichting Hout Research ( Shr) Process for acetylating solid wood
JP2000351106A (ja) 1999-06-10 2000-12-19 Yamaha Corp 木質材の製造法
JP2001096511A (ja) * 1999-09-30 2001-04-10 Yamaha Corp 木質エレメントの改質方法
US20050020829A1 (en) * 2000-12-04 2005-01-27 Shigetaka Yamamoto Treatment method for wooden material
US20020148051A1 (en) * 2000-12-04 2002-10-17 Yamaha Corporation Treatment method for wooden material
US6537357B2 (en) 2001-02-20 2003-03-25 Glenn Paul Wampole, Sr. Treatment of wood, wood fiber products, and porous surfaces with periodic acid and iodic acid
US7179327B2 (en) * 2001-02-20 2007-02-20 Wampole Sr Glenn P Wood treatment process and chemical composition
DE10249602A1 (de) * 2002-10-21 2004-05-06 Winkler, Joachim Holzteil, insbesondere Fenster- oder Türprofil
US7300705B2 (en) 2003-06-23 2007-11-27 Weyerhaeuser Company Methods for esterifying hydroxyl groups in wood
US20050112393A1 (en) * 2003-11-20 2005-05-26 Fliermans Carl B. Antifungal preservative composition for an environmentally friendly process
NZ531217A (en) * 2004-02-18 2005-12-23 Nz Forest Research Inst Ltd Impregnation process
DK176774B1 (da) * 2004-12-22 2009-08-03 Danish Plant Fibre Technologie Modificeret sorberende lignocellulosefibermateriale, fremgangsmåde til dets fremstilling, metode til fjernelse af forureninger fra fluide og vandige medier samt anendelse af materialet
DE102005047363A1 (de) 2005-10-04 2007-04-12 Basf Ag Formaldehydarmes Lignocellulosematerial und Verfahren zu dessen Herstellung
PL2167770T3 (pl) * 2007-05-18 2019-10-31 Vkr Holding As Konstrukcja ościeżnicowa i sposób wytwarzania takiej konstrukcji ościeżnicowej
US7794824B2 (en) * 2007-06-25 2010-09-14 Weyerhaeuser Nr Company Carbon fibers from kraft softwood lignin
US8614350B2 (en) 2008-01-15 2013-12-24 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material
US8455680B2 (en) 2008-01-15 2013-06-04 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material
CN103481342B (zh) * 2008-02-01 2018-09-07 泰坦木业有限公司 乙酰化的木材
GB0801880D0 (en) * 2008-02-01 2008-03-12 Titan Wood Ltd Process and product thereof
US7790922B2 (en) * 2008-03-14 2010-09-07 Celanese International Corporation Purification of acetic acid from wood acetylation process using extraction
US7612232B2 (en) * 2008-03-27 2009-11-03 Celanese International Corporation Purification of acetic acid from wood acetylation process
US8906466B2 (en) * 2009-06-25 2014-12-09 Eastman Chemical Company Esterified lignocellulosic materials and methods for making them
US20100331531A1 (en) * 2009-06-25 2010-12-30 Eastman Chemical Company Methods for esterifying lignocellulosic material
EP2289980A1 (en) 2009-07-30 2011-03-02 Danish Plant Fibre Technologies Holding A/S A process and apparatus for modification of lignocellulosic materials and products of modified lignocellulosic materials obtained by the process
US9151000B2 (en) * 2010-09-17 2015-10-06 Titan Wood Limited Treatment of wood pieces
US20120160835A1 (en) 2010-12-23 2012-06-28 Eastman Chemical Company Wood heater with enhanced microwave barrier system
AU2011355330A1 (en) * 2011-01-10 2013-07-18 Danish Plant Fibre Technologies Holding A/S A process and apparatus for modification of lignocellulosic materials and products of modified lignocellulosic materials obtained by the process
EP2623281A1 (en) * 2012-01-31 2013-08-07 Titan Wood Limited Acetylated wood
AU2013218011B2 (en) * 2012-02-07 2017-06-08 Titan Wood Limited Process for the acetylation of wood and acetylated wood
US20130202789A1 (en) * 2012-02-08 2013-08-08 Eastman Chemical Company Methods of acetylation of wood involving multiple acetylation cycles
DE202012001409U1 (de) 2012-02-10 2012-03-13 Haustüren-Ring GmbH Türrohling mit acetyliertem Holz und Tür umfassend einen solchen Türrohling
JP6167165B2 (ja) 2012-03-21 2017-07-19 タイタン ウッド リミテッド 木材の改質方法
CN103659967B (zh) * 2012-09-05 2016-03-09 中国林业科学研究院木材工业研究所 一种乙酰化纤维材料的处理方法和由该方法得到的材料
TW201430033A (zh) * 2013-01-31 2014-08-01 Pou Chen Corp 含改質天然纖維的生質高分子材料及其製造方法
US20140234647A1 (en) * 2013-02-19 2014-08-21 Brian Matthew Sanderson Composition and Method of Manufacture of Hardened Wood
GB2511120B (en) * 2013-02-26 2017-06-21 Medite Europe Ltd Acetylated wood fibre
CA2913448C (en) * 2013-05-24 2022-03-08 Stora Enso Oyj Compositions for use in protection of wood and wood products from microorganisms, weather, and fire
US20160122440A1 (en) 2013-06-03 2016-05-05 CC Wood B.V. Modified wood fibres for manufacture in composites
GB201412837D0 (en) * 2014-07-18 2014-09-03 Tricoya Technologies Ltd Recovery and use of wood acetylation fluid
GB201412839D0 (en) 2014-07-18 2014-09-03 Tricoya Technologies Ltd Wood acetylation process
GB201412838D0 (en) * 2014-07-18 2014-09-03 Tricoya Technologies Ltd Recovery of wood acetylation fluid
RU2732578C2 (ru) 2014-12-02 2020-09-21 Солвей Ацетов Гмбх Способ получения ангидрида карбоновой кислоты
DE102016222292A1 (de) 2016-11-14 2018-05-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Acetyliertes Lignocellulose-Material mit autoadhäsiven Eigenschaften
DE202018104701U1 (de) 2018-08-16 2018-08-24 Erich Moll Spülmaschinenfester Küchenartikel
CN109551593B (zh) * 2018-11-15 2020-06-26 江苏大学 一种涂覆型木皮软化液的制备方法
EP3696196A1 (de) * 2019-02-18 2020-08-19 Cerdia International GmbH Acetylierung von naturfasern unter erhalt der faserstruktur
DE102019121069A1 (de) 2019-08-05 2021-02-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Behandlung von Holz
PL434662A1 (pl) 2020-07-13 2021-01-25 Firma Handlowo-Usługowa Instbud Stanisław Boguta Spółka Jawna Wielowarstwowy rękaw kompozytowy, zwłaszcza do bezwykopowej renowacji rurociągów.

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB579255A (en) * 1943-12-31 1946-07-29 Cotopa Ltd Process for the esterification of wood
US2417995A (en) * 1944-11-14 1947-03-25 Nasa Acetylation of lignocellulosic board materials
US3031973A (en) * 1959-11-30 1962-05-01 Kramer Herman Centrifugal pump with canned motor
US3037902A (en) * 1960-12-22 1962-06-05 Rayonier Inc Partial acetylation of cellulose
US3094431A (en) * 1961-03-22 1963-06-18 Koppers Co Inc Process of acetylating wood
FI40833B (pt) * 1967-11-17 1969-02-28 Neste Oy
US3894839A (en) * 1972-09-21 1975-07-15 Us Of Amercia As Represented B Process for acylating functional groups bearing active hydrogen with isopropenyl esters of long chain fatty acids
US3985921A (en) * 1975-06-18 1976-10-12 The United States Of America As Represented By The Secretary Of Agriculture Treatment of wood with butylene oxide
FI59549C (fi) * 1976-05-12 1981-09-10 Takeji Motai Saett att behandla trae
US4194033A (en) * 1978-07-14 1980-03-18 Shin-Asahigawa Co., Ltd. Process for treating wood
US4486475A (en) * 1981-12-01 1984-12-04 Belorussky Tekhnologichesky Institut Method of modifying wood
JPS5933133A (ja) * 1982-08-19 1984-02-22 Okura Ind Co Ltd エステル化木材の製造方法
JPS59209103A (ja) * 1983-05-12 1984-11-27 大建工業株式会社 木質材の改質方法
JPS60253503A (ja) * 1984-05-30 1985-12-14 大建工業株式会社 木質材の改質処理方法

Also Published As

Publication number Publication date
AU6097986A (en) 1987-03-05
JPH0622801B2 (ja) 1994-03-30
FI87432B (fi) 1992-09-30
EP0213252A1 (en) 1987-03-11
NO170201C (no) 1992-09-23
ATE60727T1 (de) 1991-02-15
NO863435D0 (no) 1986-08-27
FI863443A0 (fi) 1986-08-26
DE3581737D1 (de) 1991-03-14
EP0213252B1 (en) 1991-02-06
FI87432C (fi) 1993-01-11
NO863435L (no) 1987-03-02
ES2001601A6 (es) 1988-06-01
DK395986A (da) 1987-03-01
IN168462B (pt) 1991-04-06
AU594072B2 (en) 1990-03-01
NZ217103A (en) 1989-09-27
DK170147B1 (da) 1995-06-06
NO170201B (no) 1992-06-15
FI863443A (fi) 1987-03-01
US4804384A (en) 1989-02-14
DK395986D0 (da) 1986-08-20
CA1284563C (en) 1991-06-04
PT83263A (pt) 1986-09-01
JPS6264501A (ja) 1987-03-23

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