GB1598852A - Particle board free of formaldehyde - Google Patents

Particle board free of formaldehyde Download PDF

Info

Publication number
GB1598852A
GB1598852A GB4064/78A GB406478A GB1598852A GB 1598852 A GB1598852 A GB 1598852A GB 4064/78 A GB4064/78 A GB 4064/78A GB 406478 A GB406478 A GB 406478A GB 1598852 A GB1598852 A GB 1598852A
Authority
GB
United Kingdom
Prior art keywords
board
hood
particle
formaldehyde
boards
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
Application number
GB4064/78A
Other languages
English (en)
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.)
RYAB
Original Assignee
RYAB
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 RYAB filed Critical RYAB
Publication of GB1598852A publication Critical patent/GB1598852A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N7/00—After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity
    • 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
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • 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
    • C08G85/00—General processes for preparing compounds provided for in this subclass

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Forests & Forestry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Vehicle Body Suspensions (AREA)
  • Forklifts And Lifting Vehicles (AREA)
GB4064/78A 1977-02-03 1978-02-01 Particle board free of formaldehyde Expired GB1598852A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7701189A SE403893C (sv) 1977-02-03 1977-02-03 Sett att befria spanskivor fran formaldehyd genom behandling med ammoniak uder bildning av hexametylentetraamin

Publications (1)

Publication Number Publication Date
GB1598852A true GB1598852A (en) 1981-09-23

Family

ID=20330357

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4064/78A Expired GB1598852A (en) 1977-02-03 1978-02-01 Particle board free of formaldehyde

Country Status (7)

Country Link
DE (1) DE2804514A1 (sv)
DK (1) DK153636C (sv)
FI (1) FI69269C (sv)
FR (1) FR2379374A1 (sv)
GB (1) GB1598852A (sv)
NO (1) NO155482C (sv)
SE (1) SE403893C (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998050208A1 (en) * 1997-05-02 1998-11-12 Sunds Defibrator Panelhandling Oy Method and apparatus for treating a board-like material with a gaseous agent

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2829021C2 (de) * 1978-07-01 1980-08-28 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen Verfahren zur Verminderung der Formaldehydabgabe von Spanplatten
SE424835B (sv) * 1978-07-07 1982-08-16 Ry Ab Maskin for att behandla lignocellulosahaltiga skivmaterial med gasformiga emnen
EP0027487A1 (fr) * 1979-10-10 1981-04-29 Jean-Baptiste Verbestel Procédé et dispositif de traitement de matériaux lignocellulosiques liés à l'aide de résines à base de formaldéhyde
US4478891A (en) * 1982-09-30 1984-10-23 Ab Statens Skogsindustrier Method of reducing the emission of formaldehyde from particle board bound with carbamide resin
DE4327774A1 (de) * 1993-08-18 1995-02-23 Fraunhofer Ges Forschung Verfahren zur Herstellung von mitteldichten Holzfaserplatten (MDF)
DE102007054123B4 (de) 2006-11-15 2012-03-15 Edmone Roffael Verfahren zur Herstellung von Holzfaserplatten mit verringerter Formaldehydemission, hoher Feuchtebeständigkeit und Hydrolyseresistenz der Verleimung
DE102008023007A1 (de) 2007-11-11 2010-06-02 Roffael, Edmone, Prof. Dr.-Ing. Verfahren zur Herstellung von Holzfaserplatten mit verringerter Formaldehydemission, hoher Feuchtebeständigkeit und Hydrolyseresistenz der Verleimung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB462741A (en) * 1935-04-30 1937-03-15 Josef Berghoff Improvements in moulded products and method of making the same
SE327622B (sv) * 1964-11-30 1970-08-24 S Lundgren
US3362080A (en) * 1966-02-14 1968-01-09 Beloit Corp Through drying of paper
BE712436A (sv) * 1968-03-19 1968-07-31

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998050208A1 (en) * 1997-05-02 1998-11-12 Sunds Defibrator Panelhandling Oy Method and apparatus for treating a board-like material with a gaseous agent
US6286229B1 (en) 1997-05-02 2001-09-11 Valmet Panelhandling Oy Method and apparatus for treating a board-like material with a gaseous agent
AU738959B2 (en) * 1997-05-02 2001-10-04 Valmet Panelhandling Oy. Method and apparatus for treating a board-like material with a gaseous agent

Also Published As

Publication number Publication date
DK48978A (da) 1978-08-04
DK153636C (da) 1988-12-19
SE7701189L (sv) 1978-08-04
SE403893C (sv) 1984-10-29
FR2379374A1 (fr) 1978-09-01
NO780374L (no) 1978-08-04
NO155482C (no) 1987-04-08
FI780328A (fi) 1978-08-04
SE403893B (sv) 1978-09-11
DE2804514A1 (de) 1978-08-10
DK153636B (da) 1988-08-08
DE2804514C2 (sv) 1987-05-21
FI69269C (fi) 1986-01-10
NO155482B (no) 1986-12-29
FR2379374B1 (sv) 1983-05-27
FI69269B (fi) 1985-09-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee