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 EDUCATIONInfo
- 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
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title 1
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)
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 |
DK048978A DK153636C (en) | 1977-02-03 | 1978-02-02 | PROCEDURE FOR RELEASING PATTERNS FOR FORMAL SKIN |
NO780374A NO155482C (en) | 1977-02-03 | 1978-02-02 | PROCEDURE FOR AA FREE PIPE PLATE FOR FORMAL HEAD, AND DEVICE FOR PERFORMING THE PROCEDURE. |
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)
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)
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 |
-
1977
- 1977-02-03 SE SE7701189A patent/SE403893C/en not_active IP Right Cessation
-
1978
- 1978-02-01 FI FI780328A patent/FI69269C/en not_active IP Right Cessation
- 1978-02-01 GB GB4064/78A patent/GB1598852A/en not_active Expired
- 1978-02-02 DE DE19782804514 patent/DE2804514A1/en active Granted
- 1978-02-02 DK DK048978A patent/DK153636C/en not_active IP Right Cessation
- 1978-02-02 NO NO780374A patent/NO155482C/en unknown
- 1978-02-03 FR FR7803143A patent/FR2379374A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DK48978A (en) | 1978-08-04 |
DK153636C (en) | 1988-12-19 |
SE7701189L (en) | 1978-08-04 |
FR2379374A1 (en) | 1978-09-01 |
NO780374L (en) | 1978-08-04 |
NO155482C (en) | 1987-04-08 |
FI780328A (en) | 1978-08-04 |
SE403893B (en) | 1978-09-11 |
DE2804514A1 (en) | 1978-08-10 |
DK153636B (en) | 1988-08-08 |
DE2804514C2 (en) | 1987-05-21 |
FI69269C (en) | 1986-01-10 |
NO155482B (en) | 1986-12-29 |
FR2379374B1 (en) | 1983-05-27 |
FI69269B (en) | 1985-09-30 |
GB1598852A (en) | 1981-09-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7701189-8 Effective date: 19920904 Format of ref document f/p: F |