GB1601751A - Adhesives based on phenol-formaldehyde resin and alkali lignins - Google Patents
Adhesives based on phenol-formaldehyde resin and alkali lignins Download PDFInfo
- Publication number
- GB1601751A GB1601751A GB19/78A GB1978A GB1601751A GB 1601751 A GB1601751 A GB 1601751A GB 19/78 A GB19/78 A GB 19/78A GB 1978 A GB1978 A GB 1978A GB 1601751 A GB1601751 A GB 1601751A
- Authority
- GB
- United Kingdom
- Prior art keywords
- binding agent
- phenol
- weight
- formaldehyde
- formaldehyde resin
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 229920005610 lignin Polymers 0.000 title claims abstract description 78
- 229920001568 phenolic resin Polymers 0.000 title claims abstract description 46
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000003513 alkali Substances 0.000 title claims description 46
- 239000000853 adhesive Substances 0.000 title abstract description 5
- 230000001070 adhesive effect Effects 0.000 title abstract description 4
- 239000011093 chipboard Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 239000011120 plywood Substances 0.000 claims abstract description 9
- 239000011230 binding agent Substances 0.000 claims description 89
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 85
- 238000000034 method Methods 0.000 claims description 30
- 102000051325 Glucagon Human genes 0.000 claims description 18
- 108060003199 Glucagon Proteins 0.000 claims description 18
- MASNOZXLGMXCHN-ZLPAWPGGSA-N glucagon Chemical compound C([C@@H](C(=O)N[C@H](C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H]([C@@H](C)O)C(O)=O)C(C)C)NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](C)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CO)NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC=1C=CC(O)=CC=1)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CO)NC(=O)[C@H](CC=1C=CC(O)=CC=1)NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](CO)NC(=O)[C@@H](NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@@H](NC(=O)CNC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](CO)NC(=O)[C@@H](N)CC=1NC=NC=1)[C@@H](C)O)[C@@H](C)O)C1=CC=CC=C1 MASNOZXLGMXCHN-ZLPAWPGGSA-N 0.000 claims description 18
- 229960004666 glucagon Drugs 0.000 claims description 18
- 239000004202 carbamide Substances 0.000 claims description 16
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 15
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 12
- 239000002023 wood Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 8
- 235000013312 flour Nutrition 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 8
- -1 alkali metal salt Chemical class 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 235000017343 Quebracho blanco Nutrition 0.000 claims description 4
- 241000065615 Schinopsis balansae Species 0.000 claims description 4
- 241000209140 Triticum Species 0.000 claims description 4
- 235000021307 Triticum Nutrition 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 230000008961 swelling Effects 0.000 claims description 3
- 239000011369 resultant mixture Substances 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
- 229960004279 formaldehyde Drugs 0.000 description 24
- 235000019256 formaldehyde Nutrition 0.000 description 23
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 14
- 229910021653 sulphate ion Inorganic materials 0.000 description 12
- 238000009826 distribution Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 238000003825 pressing Methods 0.000 description 11
- 239000000243 solution Substances 0.000 description 8
- 230000029087 digestion Effects 0.000 description 7
- 230000014759 maintenance of location Effects 0.000 description 7
- 235000018185 Betula X alpestris Nutrition 0.000 description 6
- 235000018212 Betula X uliginosa Nutrition 0.000 description 6
- 238000009835 boiling Methods 0.000 description 6
- 238000005227 gel permeation chromatography Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 229920005654 Sephadex Polymers 0.000 description 5
- 239000012507 Sephadex™ Substances 0.000 description 5
- 238000010008 shearing Methods 0.000 description 5
- 238000000108 ultra-filtration Methods 0.000 description 5
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 4
- 238000005194 fractionation Methods 0.000 description 4
- 229920001732 Lignosulfonate Polymers 0.000 description 3
- 238000007731 hot pressing Methods 0.000 description 3
- 229920001807 Urea-formaldehyde Polymers 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000003480 eluent Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WXHLLJAMBQLULT-UHFFFAOYSA-N 2-[[6-[4-(2-hydroxyethyl)piperazin-1-yl]-2-methylpyrimidin-4-yl]amino]-n-(2-methyl-6-sulfanylphenyl)-1,3-thiazole-5-carboxamide;hydrate Chemical compound O.C=1C(N2CCN(CCO)CC2)=NC(C)=NC=1NC(S1)=NC=C1C(=O)NC1=C(C)C=CC=C1S WXHLLJAMBQLULT-UHFFFAOYSA-N 0.000 description 1
- 108010001478 Bacitracin Proteins 0.000 description 1
- 229920002307 Dextran Polymers 0.000 description 1
- 235000008124 Picea excelsa Nutrition 0.000 description 1
- 244000193463 Picea excelsa Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229960003071 bacitracin Drugs 0.000 description 1
- 229930184125 bacitracin Natural products 0.000 description 1
- CLKOFPXJLQSYAH-ABRJDSQDSA-N bacitracin A Chemical compound C1SC([C@@H](N)[C@@H](C)CC)=N[C@@H]1C(=O)N[C@@H](CC(C)C)C(=O)N[C@H](CCC(O)=O)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H]1C(=O)N[C@H](CCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@H](CC=2C=CC=CC=2)C(=O)N[C@@H](CC=2N=CNC=2)C(=O)N[C@H](CC(O)=O)C(=O)N[C@@H](CC(N)=O)C(=O)NCCCC1 CLKOFPXJLQSYAH-ABRJDSQDSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- LCDFWRDNEPDQBV-UHFFFAOYSA-N formaldehyde;phenol;urea Chemical compound O=C.NC(N)=O.OC1=CC=CC=C1 LCDFWRDNEPDQBV-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-M hydrosulfide Chemical compound [SH-] RWSOTUBLDIXVET-UHFFFAOYSA-M 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002103 osmometry Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000005303 weighing Methods 0.000 description 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4371179A JPS54138570A (en) | 1978-01-03 | 1979-04-12 | 11benzyll1*2*3*66tetrahydropyridine derivative*its manufacture and therapeutical or preventive drug containing said derivative for thrombosis and thromboangitis obliterans |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI773094A FI58788C (fi) | 1977-10-18 | 1977-10-18 | Bindemedel bestaoende av enligt molekylvikten fraktionerade ligninderivater och foerfarande foer framstaellning av detsamma |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1601751A true GB1601751A (en) | 1981-11-04 |
Family
ID=8511149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19/78A Expired GB1601751A (en) | 1977-10-18 | 1978-01-03 | Adhesives based on phenol-formaldehyde resin and alkali lignins |
Country Status (10)
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2191207A (en) * | 1986-06-06 | 1987-12-09 | Enigma Nv | A substitute for amino and phenolic resins |
| US4886854A (en) * | 1986-06-06 | 1989-12-12 | Enigma, Nv | Substitute for amino and phenolic resins |
| AU607259B2 (en) * | 1987-03-09 | 1991-02-28 | Metsa-Serla Oy | Procedure for manufacturing lignocellulosic material products |
| WO1992012836A1 (en) * | 1991-01-23 | 1992-08-06 | Aci Australia Limited | Building substrate and method of manufacturing same |
| US5202403A (en) * | 1992-01-15 | 1993-04-13 | Georgia-Pacific Resins, Inc. | Lignin modified phenol-formaldehyde resins |
| US5866642A (en) * | 1991-06-13 | 1999-02-02 | Georgia-Pacific Resins, Inc. | Reactive phenolic resin modifier |
| DE102013008687A1 (de) | 2013-05-22 | 2014-11-27 | Stefan Martin Hanstein | Herstellung von wässrigen Reaktionslösungen auf der Basis von pflanzlichen Hydroxyzimtsäuren (Phenolsäuren/Phenylpropanoide/Phenylpropene) und Lignin für die Beschichtung von Düngergranulaten. Im Besonderen: Herstellung von entsprechenden Reaktionslösunge |
| US10059793B2 (en) | 2014-11-20 | 2018-08-28 | Sumitomo Bakelite Co., Ltd. | Lignin resin composition, cured product, and molded product |
| RU2808623C2 (ru) * | 2021-12-03 | 2023-11-30 | Общество с ограниченной ответственностью "СВЕЗА УРАЛЬСКИЙ" | Клеевая композиция для склеивания древесины (с лигнином) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1138589A (en) * | 1979-04-20 | 1982-12-28 | Krishan K. Sudan | Lignosulphonate phenolic resin binder |
| JPS6151073A (ja) * | 1984-07-31 | 1986-03-13 | Aisin Chem Co Ltd | フエルト用接着剤 |
| JP2006070081A (ja) * | 2004-08-31 | 2006-03-16 | Dainippon Ink & Chem Inc | 合板用接着剤および合板の製造方法 |
| US20080305396A1 (en) * | 2007-06-06 | 2008-12-11 | David Paul Boden | Lead-acid battery expanders with improved life at high temperatures |
| JP2010248309A (ja) * | 2009-04-13 | 2010-11-04 | Toyota Auto Body Co Ltd | レゾール型フェノール樹脂を含有する成形体からのホルムアルデヒド放出量低減方法 |
| FI20236362A1 (en) * | 2023-12-12 | 2025-06-13 | Upm Kymmene Corp | A layered wood product |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB460939A (en) * | 1934-07-09 | 1937-02-02 | Mead Corp | Improvements in or relating to molding compositions |
| US3017303A (en) * | 1954-04-22 | 1962-01-16 | Agrashell Inc | Adhesive composition containing lignocellulose and extracted lignin and plywood laminate thereof |
| FI51105C (fi) * | 1972-09-14 | 1976-10-11 | Keskuslaboratorio | Sideaine vaneri-, lastu-, kuitulevyjen ja vastaavien tuotteiden valmis tamista varten |
| FI311773A7 (enrdf_load_stackoverflow) * | 1973-10-08 | 1975-04-09 | Keskuslaboratorio |
-
1977
- 1977-10-18 FI FI773094A patent/FI58788C/fi not_active IP Right Cessation
- 1977-12-29 DE DE19772758572 patent/DE2758572A1/de not_active Withdrawn
- 1977-12-29 CH CH1620577A patent/CH622026A5/de not_active IP Right Cessation
-
1978
- 1978-01-03 GB GB19/78A patent/GB1601751A/en not_active Expired
- 1978-10-16 NO NO783487A patent/NO147722C/no unknown
- 1978-10-16 FR FR7829452A patent/FR2406658A2/fr active Granted
- 1978-10-17 SE SE7810829A patent/SE446987B/sv not_active IP Right Cessation
- 1978-10-18 JP JP12747278A patent/JPS5477643A/ja active Pending
- 1978-10-18 BR BR7806894A patent/BR7806894A/pt unknown
- 1978-10-18 PL PL1978210358A patent/PL114593B3/pl unknown
-
1986
- 1986-01-16 JP JP61005174A patent/JPS61166875A/ja active Granted
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2191207A (en) * | 1986-06-06 | 1987-12-09 | Enigma Nv | A substitute for amino and phenolic resins |
| US4886854A (en) * | 1986-06-06 | 1989-12-12 | Enigma, Nv | Substitute for amino and phenolic resins |
| GB2191207B (en) * | 1986-06-06 | 1989-12-13 | Enigma Nv | Substitute for amino and phenolic resins |
| AU607259B2 (en) * | 1987-03-09 | 1991-02-28 | Metsa-Serla Oy | Procedure for manufacturing lignocellulosic material products |
| WO1992012836A1 (en) * | 1991-01-23 | 1992-08-06 | Aci Australia Limited | Building substrate and method of manufacturing same |
| US5866642A (en) * | 1991-06-13 | 1999-02-02 | Georgia-Pacific Resins, Inc. | Reactive phenolic resin modifier |
| US5202403A (en) * | 1992-01-15 | 1993-04-13 | Georgia-Pacific Resins, Inc. | Lignin modified phenol-formaldehyde resins |
| DE102013008687A1 (de) | 2013-05-22 | 2014-11-27 | Stefan Martin Hanstein | Herstellung von wässrigen Reaktionslösungen auf der Basis von pflanzlichen Hydroxyzimtsäuren (Phenolsäuren/Phenylpropanoide/Phenylpropene) und Lignin für die Beschichtung von Düngergranulaten. Im Besonderen: Herstellung von entsprechenden Reaktionslösunge |
| US10059793B2 (en) | 2014-11-20 | 2018-08-28 | Sumitomo Bakelite Co., Ltd. | Lignin resin composition, cured product, and molded product |
| RU2808623C2 (ru) * | 2021-12-03 | 2023-11-30 | Общество с ограниченной ответственностью "СВЕЗА УРАЛЬСКИЙ" | Клеевая композиция для склеивания древесины (с лигнином) |
Also Published As
| Publication number | Publication date |
|---|---|
| NO783487L (no) | 1979-04-19 |
| NO147722C (no) | 1983-06-01 |
| JPS5477643A (en) | 1979-06-21 |
| FI773094A7 (fi) | 1979-04-19 |
| DE2758572A1 (de) | 1979-04-26 |
| PL114593B3 (en) | 1981-02-28 |
| NO147722B (no) | 1983-02-21 |
| JPS6256193B2 (enrdf_load_stackoverflow) | 1987-11-24 |
| SE446987B (sv) | 1986-10-20 |
| FI58788C (fi) | 1981-04-10 |
| FI58788B (fi) | 1980-12-31 |
| FR2406658A2 (fr) | 1979-05-18 |
| FR2406658B2 (enrdf_load_stackoverflow) | 1982-11-19 |
| CH622026A5 (en) | 1981-03-13 |
| BR7806894A (pt) | 1979-07-03 |
| JPS61166875A (ja) | 1986-07-28 |
| PL210358A1 (pl) | 1979-06-18 |
| SE7810829L (sv) | 1979-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4828643A (en) | Liquified cellulosic fiber, resin binders and articles manufactured therewith, and method of manufacturing same | |
| US5202403A (en) | Lignin modified phenol-formaldehyde resins | |
| GB1601751A (en) | Adhesives based on phenol-formaldehyde resin and alkali lignins | |
| Çetin et al. | Studies on lignin-based adhesives for particleboard panels | |
| US3931072A (en) | Particleboard, hardboard, and plywood produced in combination with a lignin sulfonate-phenol formaldehyde glue system | |
| CA1290091C (en) | Process for the preparation of urea-formaldehyde resins | |
| CA3096813A1 (en) | Adhesive formulation comprising lignin | |
| US4193814A (en) | Binding lignocellulosic materials | |
| CA3036131A1 (en) | Glyoxalated lignin compositions | |
| NO143888B (no) | Kosmetisk middel for glatting av huden. | |
| US4082903A (en) | Tree foliage extenders and fillers for wood adhesives | |
| PL91068B1 (en) | Adhesive for the manufacture of plywood particle boards and fibre boards[gb1404536a] | |
| NO169295B (no) | Erstatningsprodukt for polykondenserbare, formaldehydbaserte aminoharpikser og/eller fenolharpikser og fremgangsmaate for dets fremstilling | |
| CA1068426A (en) | Adhesive for the manufacture of plywood particle boards, fiber boards and similar products | |
| US3793113A (en) | Adhesive compositions and method of making plywood | |
| EP3925775B1 (en) | Cross-laminated plywood production | |
| WO1991017224A1 (en) | Adhesive composition | |
| EP0298036A2 (en) | Process for the preparation of urea-formaldehyde resins | |
| Danielson et al. | Kraft lignin in phenol formaldehyde resin. Part 2. Evaluation of an industrial trial | |
| FI129584B (en) | Resin composition | |
| US4113542A (en) | Method of joining wood products | |
| CA1084829A (en) | Lignin-based synthetic resin | |
| NO743597L (enrdf_load_stackoverflow) | ||
| Yazaki et al. | Uses of wattle extract: tannin based adhesives | |
| NO156290B (no) | Fremgangsmaate til fremstilling av harde og halvharde fiberplater. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] |