FI94735B - Förfarande för skyddande av trä - Google Patents
Förfarande för skyddande av trä Download PDFInfo
- Publication number
- FI94735B FI94735B FI883052A FI883052A FI94735B FI 94735 B FI94735 B FI 94735B FI 883052 A FI883052 A FI 883052A FI 883052 A FI883052 A FI 883052A FI 94735 B FI94735 B FI 94735B
- Authority
- FI
- Finland
- Prior art keywords
- wood
- boron
- treatment
- drying
- process according
- Prior art date
Links
- 239000002023 wood Substances 0.000 title claims description 102
- 238000000034 method Methods 0.000 title claims description 31
- 238000001035 drying Methods 0.000 claims description 30
- 150000001639 boron compounds Chemical class 0.000 claims description 25
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 22
- 229910052796 boron Inorganic materials 0.000 claims description 22
- 230000003750 conditioning effect Effects 0.000 claims description 22
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 21
- 239000003755 preservative agent Substances 0.000 claims description 12
- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 230000002335 preservative effect Effects 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 230000002829 reductive effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- AJSTXXYNEIHPMD-UHFFFAOYSA-N triethyl borate Chemical compound CCOB(OCC)OCC AJSTXXYNEIHPMD-UHFFFAOYSA-N 0.000 claims 1
- 239000007789 gas Substances 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000010875 treated wood Substances 0.000 description 7
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 6
- 239000004327 boric acid Substances 0.000 description 6
- 239000012298 atmosphere Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 235000008577 Pinus radiata Nutrition 0.000 description 3
- 241000218621 Pinus radiata Species 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000003223 protective agent Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- ZADPBFCGQRWHPN-UHFFFAOYSA-N boronic acid Chemical compound OBO ZADPBFCGQRWHPN-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010981 drying operation Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- -1 methyldiborane Chemical compound 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- WXRGABKACDFXMG-UHFFFAOYSA-N trimethylborane Chemical compound CB(C)C WXRGABKACDFXMG-UHFFFAOYSA-N 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000009489 vacuum treatment Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/163—Compounds of boron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/0207—Pretreatment of wood before impregnation
- B27K3/0214—Drying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/0271—Vapour phase impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Claims (14)
1. Förfarande för konserverings- eller förbätt-ringsbehandling av timmer- eller träbaserade produkter med 5 ett borbaserat konserveringsmedel, vilket förfarande om-fattar steg att torka timret tili en reducerad fukthalt, att utsätta det torkade timret för en änga eller en gas av en borförening, varvid bor eller en borinnehällande kon-serveringsmedelsförening avsätts inne i trämaterialet, 10 kännetecknat därav, att det timmer som har be-handlats pä detta sätt utsätts för en konditionering för att öka dess fukthalt tili en effektiv fukthalt av 8 - 12 vikt-%.
2. Förfarande enligt patentkrav 1, k ä n n e - 15 tecknat därav, att ätminstone torknings- och kondi-tioneringsstegen genomförs i en och samma behandlingsan-läggning.
3. Förfarande enligt patentkrav 2, k ä n n e - ‘ tecknat därav, att änga- eller gasbehandlingen ock- 20 sä genomförs i samma behandlingsanläggning, som omfattar en sluten behandlingsbehällare.
4. Förfarande enligt nägot av de föregäende patent-kraven, kännetecknat därav, att änga- eller . gasbehandlingen genomförs under reducerat tryck. 25
5. Förfarande enligt patentkrav 4, känne tecknat därav, att det reducerade trycket är mindre än 30 kPa (abs.).
6. Förfarande enligt patentkrav 4, kännetecknat därav, att det reducerade trycket är mindre . 30 än 15 kPa (abs.)·
7. Förfarande enligt nägot av de föregäende patent-kraven, kännetecknat därav, att änga- eller gasbehandlingen genomförs vid förhöjd temperatur.
8. Förfarande enligt patentkrav 7, k ä n n e - 35 tecknat därav, att den förhöjda temperaturen är högre än 80 °C. li 15 94735
9. Förfarande enligt nägot av de föregäende patent-kraven, kännetecknat därav, att timret tor-kas, sä att fukthalten i ungefär 90 % av träet ligger under 6 vikt-% av det torkade trämaterialet. 5
10. Förfarande enligt patentkravet 8 eller 9, kännetecknat därav, att torkningen är en tork-ning vid hög temperatur.
11. Förfarande enligt nägot av de föregäende pa-tentkraven, kännetecknat därav, att änga/gas- 10 behandlingen genomförs, när timret fortfarande är hett efter torkningen.
12. Förfarande enligt nägot av de föregäende pa-tentkraven, kännetecknat därav, att kondi-tioneringen genomförs genom ängakonditionering vid i hu- 15 vudsak det atmosfäriska trycket.
13. Förfarande enligt nägot av de föregäende pa-tentkraven, kännetecknat därav, att ängan bildas genom att borföreningen i vätskeform släpps in i en behandlingsbehällare, som upphettas tili en temperatur 4 « ·,· · 20 och/eller har ett reducerat tryck, vilka är tillräckliga för att bringa den vätskeformiga borföreningen att för-ängas vid inträdet i behällaren och/eller vid kontakt med ·* « behällarens väggar (otn upphettade). • ·
14. Förfarande enligt nägot av de föregäende pa- • * 25 tentkraven, kännetecknat därav, att borfö-t reningen omfattar trimetylborat eller en blandning av tri- • « 4 '11,* metylborat och metanol. • · · « · · « · « « ♦ « ««· • · * * 14» « » a · « * · * a · · « « » * 4··
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NZ220816A NZ220816A (en) | 1987-06-23 | 1987-06-23 | Gaseous or vapour phase treatment of wood with boron preservatives |
| NZ22081687 | 1987-06-23 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI883052A0 FI883052A0 (sv) | 1988-06-23 |
| FI883052A FI883052A (sv) | 1988-12-24 |
| FI94735B true FI94735B (sv) | 1995-07-14 |
| FI94735C FI94735C (sv) | 1995-10-25 |
Family
ID=19922113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI883052A FI94735C (sv) | 1987-06-23 | 1988-06-23 | Förfarande för skyddande av trä |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5024861A (sv) |
| EP (1) | EP0296851B1 (sv) |
| AU (1) | AU610899B2 (sv) |
| CA (1) | CA1306086C (sv) |
| DE (1) | DE3874022T2 (sv) |
| DK (1) | DK171816B1 (sv) |
| ES (1) | ES2035291T3 (sv) |
| FI (1) | FI94735C (sv) |
| NZ (1) | NZ220816A (sv) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1339401C (en) * | 1988-07-21 | 1997-09-02 | Richard James Murphy | Treatment of wood and wood-based materials |
| NZ244803A (en) * | 1993-01-13 | 1996-01-26 | Nz Forest Research Inst Ltd | Timber preservation process comprising drying the timber, then contacting with a liquid reactive boron compound |
| FR2733438B1 (fr) * | 1995-04-27 | 1997-06-13 | Cogat Pierre Olivier | Procede et equipements d'impregnation de matieres solides organiques fibreuses, par vaporisation sous vide de l'eau de constitution et injection en contrepression d'une solution |
| WO1998004391A1 (fr) * | 1996-07-30 | 1998-02-05 | Pierre Olivier Cogat | Procede pour l'impregnation de matieres organiques fibreuses hydratees, et installations pour la mise en oeuvre de ce procede |
| US5731036A (en) * | 1997-01-21 | 1998-03-24 | Isk Biosciences Corporation | Method for preserving wood |
| WO2002102560A1 (en) * | 2001-06-15 | 2002-12-27 | The University Of Melbourne | Boron-based wood preservatives and treatment of wood with boron-based preservatives |
| US7754284B2 (en) * | 2004-07-15 | 2010-07-13 | Jacques Roy | Method for treating lignocellulosic material |
| US20090069271A1 (en) * | 2005-11-10 | 2009-03-12 | Ivan Laurence Stanimiroff | Wood treatment |
| WO2008053064A1 (en) * | 2006-11-03 | 2008-05-08 | Raimo Smolander | Method of applying protective agent |
| FI8027U1 (sv) * | 2008-03-07 | 2008-09-22 | Jonas Philip Alexander Wiklund | Virkesbehandlingsenhet |
| WO2011074991A1 (en) * | 2009-12-16 | 2011-06-23 | Verda New Zealand Limited | Improvements in treating timber and apparatus therefor |
| FI20105562A (sv) | 2010-05-21 | 2011-11-22 | Kemira Oyj | Skyddsämnekomposition |
| US10632645B2 (en) * | 2012-03-29 | 2020-04-28 | Nisus Corporation | Method of treating wood |
| US10933555B2 (en) | 2014-06-25 | 2021-03-02 | Technologies Boralife Inc. | Process and apparatus for treating lignocellulosic material |
| NL2026974B1 (nl) * | 2020-11-25 | 2022-07-04 | Houtindustrie Mevo B V | Werkwijze voor het behandelen van hout en constructie-element |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US374208A (en) * | 1887-12-06 | Process of preserving wood | ||
| GB412175A (en) * | 1932-12-15 | 1934-06-15 | Heinrich Ernst Will | Improvements in methods of drying and impregnating wood |
| US2633429A (en) * | 1951-01-31 | 1953-03-31 | Monie S Hudson | Method of avoiding explosion hazards |
| US2655454A (en) * | 1952-02-12 | 1953-10-13 | Timber Engineering Co | Wood treating process and composition |
| US3342629A (en) * | 1963-10-24 | 1967-09-19 | Callery Chemical Co | Wood treating process and product thereof |
| US3438847A (en) * | 1965-02-26 | 1969-04-15 | Weyerhaeuser Co | Process of treating composite boards with borate chemicals produced thereby and product |
| US4076871A (en) * | 1976-11-02 | 1978-02-28 | Masonite Corporation | Method of impregnating wood with boric acid |
| NZ194071A (en) * | 1979-06-25 | 1982-05-25 | Manchem Ltd | Preserving timber using a metal-organic compound also containing boron |
| US4373010A (en) * | 1980-10-14 | 1983-02-08 | Koppers Company, Inc. | Non-resinous, uncured tire retardant and products produced therewith |
| US4354316A (en) * | 1981-08-24 | 1982-10-19 | Schroeder Herbert A | Method of beneficiating wood |
| CA1165504A (en) * | 1981-08-28 | 1984-04-17 | Suezone Chow | Method of treatment of wood to prevent stain and decay |
| SE441255C (sv) * | 1982-05-06 | 1989-04-17 | Dicker Paul Erik | Foerfarande foer diffusionsimpregnering av traekonstruktioner varvid depaaer med traeskyddsmedel foerlaeggs inuti veden |
| JPS5970503A (ja) * | 1982-10-14 | 1984-04-21 | 株式会社クラレ | 高耐久性木質材料およびその製造法 |
-
1987
- 1987-06-23 NZ NZ220816A patent/NZ220816A/xx unknown
-
1988
- 1988-06-23 CA CA000570261A patent/CA1306086C/en not_active Expired - Fee Related
- 1988-06-23 AU AU18324/88A patent/AU610899B2/en not_active Ceased
- 1988-06-23 DK DK344688A patent/DK171816B1/da not_active IP Right Cessation
- 1988-06-23 ES ES198888305727T patent/ES2035291T3/es not_active Expired - Lifetime
- 1988-06-23 FI FI883052A patent/FI94735C/sv not_active IP Right Cessation
- 1988-06-23 EP EP88305727A patent/EP0296851B1/en not_active Expired - Lifetime
- 1988-06-23 DE DE8888305727T patent/DE3874022T2/de not_active Expired - Fee Related
- 1988-06-23 US US07/210,638 patent/US5024861A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US5024861A (en) | 1991-06-18 |
| FI883052A0 (sv) | 1988-06-23 |
| EP0296851B1 (en) | 1992-08-26 |
| AU610899B2 (en) | 1991-05-30 |
| DE3874022D1 (de) | 1992-10-01 |
| CA1306086C (en) | 1992-08-11 |
| DK344688D0 (da) | 1988-06-23 |
| EP0296851A1 (en) | 1988-12-28 |
| FI883052A (sv) | 1988-12-24 |
| AU1832488A (en) | 1989-01-05 |
| DE3874022T2 (de) | 1993-03-18 |
| DK344688A (da) | 1988-12-24 |
| DK171816B1 (da) | 1997-06-23 |
| NZ220816A (en) | 1989-12-21 |
| ES2035291T3 (es) | 1993-04-16 |
| FI94735C (sv) | 1995-10-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | Publication of examined application | ||
| MM | Patent lapsed | ||
| MM | Patent lapsed |
Owner name: HER MAJESTY THE QUEEN IN RIGHT OF NEW |