SE403893C - SET TO RELEASE SPANISH DISPERSES FROM FORMALDEHYDE THROUGH TREATMENT WITH AMMONIAK WITHOUT HEXAMETHYLENTETRAAMINE EDUCATION - Google Patents

SET TO RELEASE SPANISH DISPERSES FROM FORMALDEHYDE THROUGH TREATMENT WITH AMMONIAK WITHOUT HEXAMETHYLENTETRAAMINE EDUCATION

Info

Publication number
SE403893C
SE403893C SE7701189A SE7701189A SE403893C SE 403893 C SE403893 C SE 403893C SE 7701189 A SE7701189 A SE 7701189A SE 7701189 A SE7701189 A SE 7701189A SE 403893 C SE403893 C SE 403893C
Authority
SE
Sweden
Prior art keywords
hexamethylentetraamine
ammoniak
spanish
disperses
education
Prior art date
Application number
SE7701189A
Other languages
Swedish (sv)
Other versions
SE7701189L (en
SE403893B (en
Inventor
O Smedberg
Original Assignee
Ry Ab
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 Ry Ab filed Critical Ry Ab
Priority to SE7701189A priority Critical patent/SE403893C/en
Priority to GB4064/78A priority patent/GB1598852A/en
Priority to FI780328A priority patent/FI69269C/en
Priority to DE19782804514 priority patent/DE2804514A1/en
Priority to NO780374A priority patent/NO155482C/en
Priority to DK048978A priority patent/DK153636C/en
Priority to FR7803143A priority patent/FR2379374A1/en
Publication of SE7701189L publication Critical patent/SE7701189L/en
Publication of SE403893B publication Critical patent/SE403893B/en
Publication of SE403893C publication Critical patent/SE403893C/en

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)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Manufacturing & Machinery (AREA)
  • Forests & Forestry (AREA)
  • Materials Engineering (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)
SE7701189A 1977-02-03 1977-02-03 SET TO RELEASE SPANISH DISPERSES FROM FORMALDEHYDE THROUGH TREATMENT WITH AMMONIAK WITHOUT HEXAMETHYLENTETRAAMINE EDUCATION SE403893C (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE7701189A SE403893C (en) 1977-02-03 1977-02-03 SET TO RELEASE SPANISH DISPERSES FROM FORMALDEHYDE THROUGH TREATMENT WITH AMMONIAK WITHOUT HEXAMETHYLENTETRAAMINE EDUCATION
GB4064/78A GB1598852A (en) 1977-02-03 1978-02-01 Particle board free of formaldehyde
FI780328A FI69269C (en) 1977-02-03 1978-02-01 FORMALDEHYDFRI SPAONSKIVA
DE19782804514 DE2804514A1 (en) 1977-02-03 1978-02-02 FORMALDEHYDE-FREE CHIPBOARD
NO780374A NO155482C (en) 1977-02-03 1978-02-02 PROCEDURE FOR AA FREE PIPE PLATE FOR FORMAL HEAD, AND DEVICE FOR PERFORMING THE PROCEDURE.
DK048978A DK153636C (en) 1977-02-03 1978-02-02 PROCEDURE FOR RELEASING PATTERNS FOR FORMAL SKIN
FR7803143A FR2379374A1 (en) 1977-02-03 1978-02-03 FORMALDEHYDE FREE PARTICLE BOARD

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7701189A SE403893C (en) 1977-02-03 1977-02-03 SET TO RELEASE SPANISH DISPERSES FROM FORMALDEHYDE THROUGH TREATMENT WITH AMMONIAK WITHOUT HEXAMETHYLENTETRAAMINE EDUCATION

Publications (3)

Publication Number Publication Date
SE7701189L SE7701189L (en) 1978-08-04
SE403893B SE403893B (en) 1978-09-11
SE403893C true SE403893C (en) 1984-10-29

Family

ID=20330357

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7701189A SE403893C (en) 1977-02-03 1977-02-03 SET TO RELEASE SPANISH DISPERSES FROM FORMALDEHYDE THROUGH TREATMENT WITH AMMONIAK WITHOUT HEXAMETHYLENTETRAAMINE EDUCATION

Country Status (7)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2829021C2 (en) * 1978-07-01 1980-08-28 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen Process for reducing the formaldehyde release from chipboard
SE424835B (en) * 1978-07-07 1982-08-16 Ry Ab MACHINE FOR TREATING LIGNOCELLULOSALLY DISC MATERIALS WITH GASIC SUBSTANCES
EP0027487A1 (en) * 1979-10-10 1981-04-29 Jean-Baptiste Verbestel Process and device for the treatment of lignocellulose materials bound with formaldehyde resins
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 (en) * 1993-08-18 1995-02-23 Fraunhofer Ges Forschung Process for the production of medium density fibreboard (MDF)
FI971899A (en) * 1997-05-02 1998-11-03 Sunds Defibrator Panelhandling Method and apparatus for treating disc-shaped material with a gaseous substance
DE102007054123B4 (en) 2006-11-15 2012-03-15 Edmone Roffael Process for the production of fiberboard with reduced formaldehyde emission, high moisture resistance and hydrolysis resistance of the gluing
DE102008023007A1 (en) 2007-11-11 2010-06-02 Roffael, Edmone, Prof. Dr.-Ing. Method for producing moisture-resistant and hydrolysis-resistant medium density fiberboard from e.g. derived timber product, involves using chemicals for pulping, where chemicals partially or completely replace resin in gluing phase

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 (en) * 1964-11-30 1970-08-24 S Lundgren
US3362080A (en) * 1966-02-14 1968-01-09 Beloit Corp Through drying of paper
BE712436A (en) * 1968-03-19 1968-07-31

Also Published As

Publication number Publication date
DE2804514A1 (en) 1978-08-10
FI69269B (en) 1985-09-30
SE7701189L (en) 1978-08-04
FR2379374A1 (en) 1978-09-01
FR2379374B1 (en) 1983-05-27
FI780328A (en) 1978-08-04
GB1598852A (en) 1981-09-23
SE403893B (en) 1978-09-11
NO155482C (en) 1987-04-08
NO780374L (en) 1978-08-04
DK48978A (en) 1978-08-04
DE2804514C2 (en) 1987-05-21
FI69269C (en) 1986-01-10
NO155482B (en) 1986-12-29
DK153636C (en) 1988-12-19
DK153636B (en) 1988-08-08

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