FI70686C - Saett att minska emissionen av formaldehyd fraon karbamidhartsbundna spaonskivor - Google Patents
Saett att minska emissionen av formaldehyd fraon karbamidhartsbundna spaonskivor Download PDFInfo
- Publication number
- FI70686C FI70686C FI803093A FI803093A FI70686C FI 70686 C FI70686 C FI 70686C FI 803093 A FI803093 A FI 803093A FI 803093 A FI803093 A FI 803093A FI 70686 C FI70686 C FI 70686C
- Authority
- FI
- Finland
- Prior art keywords
- ammonium
- solution
- sheets
- formaldehyde
- urea
- Prior art date
Links
Classifications
-
- 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
- B27N1/00—Pretreatment of moulding material
- B27N1/003—Pretreatment of moulding material for reducing formaldehyde gas emission
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Forests & Forestry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7908455A SE436330B (sv) | 1979-10-11 | 1979-10-11 | Sett att minska mengden fri formaldehyd i karbamidhartsbundna spanskivor |
SE7908455 | 1979-10-11 | ||
SE8000664 | 1980-01-28 | ||
SE8000664A SE427096B (sv) | 1980-01-28 | 1980-01-28 | Sett att minska emissionen av formaldehyd fran karbamidhartsbundna spanskivor |
Publications (3)
Publication Number | Publication Date |
---|---|
FI803093A FI803093A (fi) | 1981-04-12 |
FI70686B FI70686B (fi) | 1986-06-26 |
FI70686C true FI70686C (fi) | 1986-10-06 |
Family
ID=26657354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI803093A FI70686C (fi) | 1979-10-11 | 1980-09-30 | Saett att minska emissionen av formaldehyd fraon karbamidhartsbundna spaonskivor |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0027583B1 (da) |
CA (1) | CA1160416A (da) |
DE (1) | DE3067363D1 (da) |
DK (1) | DK155178C (da) |
ES (1) | ES495806A0 (da) |
FI (1) | FI70686C (da) |
NO (1) | NO161045C (da) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE450939B (sv) * | 1983-11-15 | 1987-08-17 | Swedspan Ab | Suspension av ammoniumkarbonat och/eller -vetekarbonat med forbettrad stabilitet och dess anvendning |
DE3427694A1 (de) * | 1984-07-27 | 1986-02-06 | Basf Ag, 6700 Ludwigshafen | Formaldehyd bindendes mittel, dessen verwendung bei der herstellung von spanholzwerkstoffen sowie ein verfahren zur herstellung von spanholzwerkstoffen mit verringerter formaldehydemission |
GB2170208B (en) * | 1985-01-29 | 1988-06-22 | Enigma Nv | A formaldehyde binder |
US5071446A (en) * | 1990-03-14 | 1991-12-10 | Union Camp Corporation | Nuggets for heating and a method of making the same |
DE4431316C1 (de) * | 1994-09-02 | 1996-05-02 | Schlingmann Gmbh & Co | Verfahren zur Verminderung der Formaldehydabgabe von Holzspan- oder Faserplatten |
EP0788866B1 (de) * | 1996-02-09 | 1998-05-20 | Schlingmann GmbH & Co. | Verfahren zur Herstellung von formaldehydarmen tanningebundenen Holzspan- und Faserplatten |
US6749949B2 (en) | 2001-03-12 | 2004-06-15 | Akzo Nobel N.V. | Method of producing formaldehyde laden layered products having reduced emission of formaldehyde |
US7678224B2 (en) | 2003-03-25 | 2010-03-16 | Akzo Nobel N.V. | Method for reducing emissions and method for producing a wooden product |
WO2004085125A2 (en) * | 2003-03-25 | 2004-10-07 | Akzo Nobel Coatings International B.V. | Method for reducing emissions and method for producing a wooden product |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE529099A (da) * | 1953-05-26 | 1900-01-01 | ||
US3950472A (en) * | 1975-02-26 | 1976-04-13 | Continental Can Company, Inc. | Molding wood articles from ammonium salt-wood particle mixtures |
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 |
DE2929775A1 (de) * | 1979-07-23 | 1981-02-19 | Basf Ag | Verfahren zur verminderung der formaldehydabgabe aus spanplatten |
-
1980
- 1980-09-30 FI FI803093A patent/FI70686C/fi not_active IP Right Cessation
- 1980-10-03 EP EP80106013A patent/EP0027583B1/en not_active Expired
- 1980-10-03 DE DE8080106013T patent/DE3067363D1/de not_active Expired
- 1980-10-08 CA CA000361994A patent/CA1160416A/en not_active Expired
- 1980-10-10 DK DK428580A patent/DK155178C/da active
- 1980-10-10 NO NO803028A patent/NO161045C/no unknown
- 1980-10-10 ES ES495806A patent/ES495806A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
ES8106437A1 (es) | 1981-07-01 |
DE3067363D1 (en) | 1984-05-10 |
NO161045C (no) | 1989-06-28 |
NO803028L (no) | 1981-04-13 |
FI70686B (fi) | 1986-06-26 |
DK155178B (da) | 1989-02-27 |
FI803093A (fi) | 1981-04-12 |
DK155178C (da) | 1989-07-10 |
ES495806A0 (es) | 1981-07-01 |
NO161045B (no) | 1989-03-20 |
EP0027583B1 (en) | 1984-04-04 |
DK428580A (da) | 1981-04-12 |
CA1160416A (en) | 1984-01-17 |
EP0027583A3 (en) | 1981-05-06 |
EP0027583A2 (en) | 1981-04-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Transfer of assignment of patent |
Owner name: CASCO NOBEL AB |
|
MM | Patent lapsed |
Owner name: CASCO NOBEL AB |