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WO2000046306A1 - Procede et produit se rapportant au bois d'oeuvre - Google Patents

Procede et produit se rapportant au bois d'oeuvre Download PDF

Info

Publication number
WO2000046306A1
WO2000046306A1 PCT/ZA2000/000019 ZA0000019W WO0046306A1 WO 2000046306 A1 WO2000046306 A1 WO 2000046306A1 ZA 0000019 W ZA0000019 W ZA 0000019W WO 0046306 A1 WO0046306 A1 WO 0046306A1
Authority
WO
WIPO (PCT)
Prior art keywords
binding mixture
mdi
mixture
catalyst
binding
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.)
Ceased
Application number
PCT/ZA2000/000019
Other languages
English (en)
Inventor
Sydney Maboka
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.)
Sappi Ltd
Original Assignee
Sappi Ltd
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 Sappi Ltd filed Critical Sappi Ltd
Priority to CA002361618A priority Critical patent/CA2361618A1/fr
Priority to AU30086/00A priority patent/AU3008600A/en
Priority to EP00908809A priority patent/EP1161498A1/fr
Publication of WO2000046306A1 publication Critical patent/WO2000046306A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • 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

Definitions

  • This invention relates to a timber process and product. More particularly
  • this invention relates to a process for manufacturing so-called particle
  • chipboard that a urea-formaldehyde resin (hereinafter
  • UF UF
  • binders typically contain approximately 55% to 60% formaldehyde
  • chipboard pressing takes place either in a batch-type (using daylight
  • MDI (hereinafter referred to as "MDI") may be added to the aforementioned MDI
  • binding mixture for use in manufacturing chipboard including
  • polyurethane catalyst(s) may or may not be (a) delayed-action catalyst(s).
  • TTI isocyanate
  • TDI isocyanate
  • the aforementioned mixture(s) may of course include a suitable amount
  • resin may preferably be approximately 50% (in moles) i.e. may be less
  • Suitable amines or amine compounds may be selected from the
  • DMEA 2-dimethyl ethanolamine
  • DABCO di-amino bicyclo-octane
  • DMCHA N,N-dimethyl cyclohexylamine
  • Suitable organometallic tin-based compounds may be selected from the
  • organometallic compounds may include ferric
  • Suitable alkali metal salts may be selected from the following:
  • Air Products, South Africa, and the catalysts may be identified inter alia
  • the amount of MDI When used with one or more of the above catalysts, the amount of MDI
  • BDW (hereinafter referred to as "BDW").
  • additive including an effective amount of MDI and a catalyst, each as
  • a process for manufacturing chipboard including the steps of adding to or using in a binding mixture consisting of urea-formaldehyde
  • polyether polyol which is sold by ICI (Imperial Chemical
  • PPG diol MDI Pre-Polymer is the brand name for

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

Cette invention se rapporte à un mélange de liaison utilisé pour la fabrication de panneaux agglomérés. Ce mélange comprend une quantité efficace de di-isocyanate de méthyle («MDI») et un ou pl usieurs catalyseur(s) de polyuréthanne sélectionnés dans les groupes de composés suivants: (a) un ou plusieurs composés amines comprenant des dérivés amine tertiaire aliphatiques et cycliques de phénols, d'esters, d'éthers, d'alcènes et/ou d'alcools; ou (b) un ou plusieurs composés organométalliques d'étain, de bismuth, de zinc, de fer et/ou de sel(s) de métal alcalin; ou (c) des mélanges convenables de (a) et (b).
PCT/ZA2000/000019 1999-02-08 2000-02-08 Procede et produit se rapportant au bois d'oeuvre Ceased WO2000046306A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002361618A CA2361618A1 (fr) 1999-02-08 2000-02-08 Procede et produit se rapportant au bois d'oeuvre
AU30086/00A AU3008600A (en) 1999-02-08 2000-02-08 Timber process and product
EP00908809A EP1161498A1 (fr) 1999-02-08 2000-02-08 Procede et produit se rapportant au bois d'oeuvre

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA99/0969 1999-02-08
ZA99969 1999-02-08

Publications (1)

Publication Number Publication Date
WO2000046306A1 true WO2000046306A1 (fr) 2000-08-10

Family

ID=25587553

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2000/000019 Ceased WO2000046306A1 (fr) 1999-02-08 2000-02-08 Procede et produit se rapportant au bois d'oeuvre

Country Status (4)

Country Link
EP (1) EP1161498A1 (fr)
AU (1) AU3008600A (fr)
CA (1) CA2361618A1 (fr)
WO (1) WO2000046306A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10142296C1 (de) * 2001-08-29 2003-02-13 Bayer Ag Polyurethanelastomere, Verfahren zu ihrer Herstellung und ihre Verwendung
WO2004113428A1 (fr) * 2003-06-24 2004-12-29 Agro Biomass Consult Aps Procede de melange et d'homogeneisation d'agents de liaison et d'additifs

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0039137A1 (fr) * 1980-04-30 1981-11-04 Imperial Chemical Industries Plc Réactions d'isocyanate
EP0346059A2 (fr) * 1988-06-07 1989-12-13 Btg International Limited Matériaux composites
US5002713A (en) * 1989-12-22 1991-03-26 Board Of Control Of Michigan Technological University Method for compression molding articles from lignocellulosic materials
WO1992009645A1 (fr) * 1990-11-27 1992-06-11 Weyerhaeuser Company Produits cellulosiques modifies par de l'isocyanate et leur procede de fabrication
WO1994005475A1 (fr) * 1992-09-03 1994-03-17 Glunz Ag Procede de fabrication de panneaux de fibres ou d'agglomeres

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0039137A1 (fr) * 1980-04-30 1981-11-04 Imperial Chemical Industries Plc Réactions d'isocyanate
EP0346059A2 (fr) * 1988-06-07 1989-12-13 Btg International Limited Matériaux composites
US5002713A (en) * 1989-12-22 1991-03-26 Board Of Control Of Michigan Technological University Method for compression molding articles from lignocellulosic materials
WO1992009645A1 (fr) * 1990-11-27 1992-06-11 Weyerhaeuser Company Produits cellulosiques modifies par de l'isocyanate et leur procede de fabrication
WO1994005475A1 (fr) * 1992-09-03 1994-03-17 Glunz Ag Procede de fabrication de panneaux de fibres ou d'agglomeres

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10142296C1 (de) * 2001-08-29 2003-02-13 Bayer Ag Polyurethanelastomere, Verfahren zu ihrer Herstellung und ihre Verwendung
US6590057B1 (en) 2001-08-29 2003-07-08 Bayer Aktiengesellschaft Polyurethane elastomers, process for their production and use thereof
WO2004113428A1 (fr) * 2003-06-24 2004-12-29 Agro Biomass Consult Aps Procede de melange et d'homogeneisation d'agents de liaison et d'additifs

Also Published As

Publication number Publication date
AU3008600A (en) 2000-08-25
CA2361618A1 (fr) 2000-08-10
EP1161498A1 (fr) 2001-12-12

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