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
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims description 51
- 239000000243 solution Substances 0.000 claims description 18
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 17
- 239000004202 carbamide Substances 0.000 claims description 17
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical group [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 15
- 239000001099 ammonium carbonate Substances 0.000 claims description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 11
- 239000007864 aqueous solution Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 10
- 238000001704 evaporation Methods 0.000 claims description 9
- 230000008020 evaporation Effects 0.000 claims description 9
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 5
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 5
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 claims description 4
- 239000005695 Ammonium acetate Substances 0.000 claims description 4
- 235000019257 ammonium acetate Nutrition 0.000 claims description 4
- 229940043376 ammonium acetate Drugs 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 150000003863 ammonium salts Chemical class 0.000 claims 3
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 150000003868 ammonium compounds Chemical class 0.000 description 16
- 238000003860 storage Methods 0.000 description 8
- 239000011093 chipboard Substances 0.000 description 7
- 230000005070 ripening Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000035800 maturation Effects 0.000 description 3
- 229920000877 Melamine resin Polymers 0.000 description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011067 equilibration Methods 0.000 description 2
- 239000004312 hexamethylene tetramine Substances 0.000 description 2
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- 230000002009 allergenic effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- CUHVTYCUTYWQOR-UHFFFAOYSA-N formaldehyde Chemical compound O=C.O=C CUHVTYCUTYWQOR-UHFFFAOYSA-N 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 230000000622 irritating effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Forests & Forestry (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Phenolic Resins Or Amino Resins (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 | ||
| SE8000664A SE427096B (sv) | 1980-01-28 | 1980-01-28 | Sett att minska emissionen av formaldehyd fran karbamidhartsbundna spanskivor |
| SE8000664 | 1980-01-28 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI803093A7 FI803093A7 (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 (de) |
| CA (1) | CA1160416A (de) |
| DE (1) | DE3067363D1 (de) |
| DK (1) | DK155178C (de) |
| ES (1) | ES495806A0 (de) |
| FI (1) | FI70686C (de) |
| NO (1) | NO161045C (de) |
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 |
| DE19704525A1 (de) * | 1996-02-09 | 1997-08-14 | 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 |
| EP1606089B1 (de) * | 2003-03-25 | 2013-01-02 | Akzo Nobel Coatings International BV | Verfahren zur verringerung von emissionen und verfahren zur herstellung eines holzprodukts |
| US7678224B2 (en) | 2003-03-25 | 2010-03-16 | Akzo Nobel N.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 (de) * | 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/de 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 ES ES495806A patent/ES495806A0/es active Granted
- 1980-10-10 NO NO803028A patent/NO161045C/no unknown
- 1980-10-10 DK DK428580A patent/DK155178C/da active
Also Published As
| Publication number | Publication date |
|---|---|
| EP0027583A2 (de) | 1981-04-29 |
| FI70686B (fi) | 1986-06-26 |
| NO161045C (no) | 1989-06-28 |
| CA1160416A (en) | 1984-01-17 |
| NO161045B (no) | 1989-03-20 |
| EP0027583B1 (de) | 1984-04-04 |
| ES8106437A1 (es) | 1981-07-01 |
| NO803028L (no) | 1981-04-13 |
| FI803093A7 (fi) | 1981-04-12 |
| DK155178C (da) | 1989-07-10 |
| EP0027583A3 (en) | 1981-05-06 |
| DE3067363D1 (en) | 1984-05-10 |
| DK155178B (da) | 1989-02-27 |
| DK428580A (da) | 1981-04-12 |
| ES495806A0 (es) | 1981-07-01 |
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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 |