EP2083974A2 - Leichte holzwerkstoffe - Google Patents
Leichte holzwerkstoffeInfo
- Publication number
- EP2083974A2 EP2083974A2 EP07821530A EP07821530A EP2083974A2 EP 2083974 A2 EP2083974 A2 EP 2083974A2 EP 07821530 A EP07821530 A EP 07821530A EP 07821530 A EP07821530 A EP 07821530A EP 2083974 A2 EP2083974 A2 EP 2083974A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- wood
- density
- filler
- particles
- materials
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 104
- 241000771208 Buchanania arborescens Species 0.000 title claims description 23
- 239000002023 wood Substances 0.000 claims abstract description 113
- 239000002245 particle Substances 0.000 claims abstract description 47
- 239000000945 filler Substances 0.000 claims abstract description 36
- 239000011230 binding agent Substances 0.000 claims abstract description 31
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 46
- 239000004793 Polystyrene Substances 0.000 claims description 38
- 229920002223 polystyrene Polymers 0.000 claims description 37
- 229920001577 copolymer Polymers 0.000 claims description 28
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 7
- 239000011324 bead Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 239000004794 expanded polystyrene Substances 0.000 claims description 3
- 239000005022 packaging material Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 12
- 238000002360 preparation method Methods 0.000 abstract description 11
- 229920003023 plastic Polymers 0.000 abstract description 9
- 239000004033 plastic Substances 0.000 abstract description 9
- 239000000654 additive Substances 0.000 abstract description 7
- 238000003825 pressing Methods 0.000 abstract description 7
- 238000002156 mixing Methods 0.000 abstract description 3
- 238000005187 foaming Methods 0.000 abstract 1
- 239000002344 surface layer Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 description 9
- 239000002216 antistatic agent Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 229920001807 Urea-formaldehyde Polymers 0.000 description 5
- 239000002585 base Substances 0.000 description 5
- 239000011093 chipboard Substances 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- 230000008961 swelling Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004604 Blowing Agent Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 241000218657 Picea Species 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 240000000731 Fagus sylvatica Species 0.000 description 2
- 235000010099 Fagus sylvatica Nutrition 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 229920002522 Wood fibre Polymers 0.000 description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- CRSOQBOWXPBRES-UHFFFAOYSA-N neopentane Chemical compound CC(C)(C)C CRSOQBOWXPBRES-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920001955 polyphenylene ether Polymers 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 229920000638 styrene acrylonitrile Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010557 suspension polymerization reaction Methods 0.000 description 2
- 239000002025 wood fiber Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- IUVCFHHAEHNCFT-INIZCTEOSA-N 2-[(1s)-1-[4-amino-3-(3-fluoro-4-propan-2-yloxyphenyl)pyrazolo[3,4-d]pyrimidin-1-yl]ethyl]-6-fluoro-3-(3-fluorophenyl)chromen-4-one Chemical compound C1=C(F)C(OC(C)C)=CC=C1C(C1=C(N)N=CN=C11)=NN1[C@@H](C)C1=C(C=2C=C(F)C=CC=2)C(=O)C2=CC(F)=CC=C2O1 IUVCFHHAEHNCFT-INIZCTEOSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- JHWGFJBTMHEZME-UHFFFAOYSA-N 4-prop-2-enoyloxybutyl prop-2-enoate Chemical compound C=CC(=O)OCCCCOC(=O)C=C JHWGFJBTMHEZME-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical class C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 240000005109 Cryptomeria japonica Species 0.000 description 1
- 240000005636 Dryobalanops aromatica Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000218652 Larix Species 0.000 description 1
- 235000005590 Larix decidua Nutrition 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 229920006329 Styropor Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 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
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229940045714 alkyl sulfonate alkylating agent Drugs 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000006085 branching agent Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- BZDKYAZTCWRUDZ-UHFFFAOYSA-N buta-1,3-diene;methyl 2-methylprop-2-enoate;prop-2-enenitrile;styrene Chemical compound C=CC=C.C=CC#N.COC(=O)C(C)=C.C=CC1=CC=CC=C1 BZDKYAZTCWRUDZ-UHFFFAOYSA-N 0.000 description 1
- NOQOJJUSNAWKBQ-UHFFFAOYSA-N buta-1,3-diene;methyl prop-2-enoate;styrene Chemical compound C=CC=C.COC(=O)C=C.C=CC1=CC=CC=C1 NOQOJJUSNAWKBQ-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229960001231 choline Drugs 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 229910000267 dualite Inorganic materials 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 229920006248 expandable polystyrene Polymers 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920005669 high impact polystyrene Polymers 0.000 description 1
- 239000004797 high-impact polystyrene Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000012978 lignocellulosic material Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920012128 methyl methacrylate acrylonitrile butadiene styrene Polymers 0.000 description 1
- JZMJDSHXVKJFKW-UHFFFAOYSA-M methyl sulfate(1-) Chemical compound COS([O-])(=O)=O JZMJDSHXVKJFKW-UHFFFAOYSA-M 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- KKFHAJHLJHVUDM-UHFFFAOYSA-N n-vinylcarbazole Chemical compound C1=CC=C2N(C=C)C3=CC=CC=C3C2=C1 KKFHAJHLJHVUDM-UHFFFAOYSA-N 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 125000006353 oxyethylene group Chemical group 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 229920001909 styrene-acrylic polymer Polymers 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 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
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/005—Manufacture of substantially flat articles, e.g. boards, from particles or fibres and foam
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249971—Preformed hollow element-containing
- Y10T428/249972—Resin or rubber element
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/253—Cellulosic [e.g., wood, paper, cork, rayon, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/254—Polymeric or resinous material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/3188—Next to cellulosic
- Y10T428/31895—Paper or wood
- Y10T428/31899—Addition polymer of hydrocarbon[s] only
- Y10T428/31902—Monoethylenically unsaturated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31971—Of carbohydrate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31971—Of carbohydrate
- Y10T428/31975—Of cellulosic next to another carbohydrate
- Y10T428/31978—Cellulosic next to another cellulosic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31971—Of carbohydrate
- Y10T428/31975—Of cellulosic next to another carbohydrate
- Y10T428/31978—Cellulosic next to another cellulosic
- Y10T428/31982—Wood or paper
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31971—Of carbohydrate
- Y10T428/31989—Of wood
Definitions
- the present invention relates to lightweight wood-based materials containing 30 to 95 wt .-%, based on the wood material, wood particles, wherein the wood particles have a mean density of 0.4 to 0.85 g / cm 3 , 2.5 to 20 wt. %, based on the wood material, of polystyrene and / or styrene copolymer as filler, wherein the filler has a bulk density of 10 to 100 kg / m 3 , and 2.5 to 50 wt .-%, based on the HoIz material, binder, wherein the average density of the light wood material is less than or equal to 600 kg / m 3 .
- Wood-based panels are a cost-effective and resource-saving alternative to solid wood and have gained great importance, in particular in furniture construction, in laminate flooring and as building materials.
- As starting materials serve wood particles of different strengths, eg. As wood chips or wood fibers from different woods. Such wood particles are usually compressed with natural and / or synthetic binders and optionally with the addition of further additives to plate-like or strand-shaped wood materials.
- Lightweight wood-based materials result in easier handling of the products by the end customer, for example when packing, transporting, unpacking or constructing the furniture. Light wood-based materials lead to lower transport and packaging costs, and material costs can be saved in the production of lightweight wood-based materials. Light wood-based panels can, for example, when used in means of transport lead to lower energy consumption of these means of transport. Further, using lightweight wood-based materials, for example, costly decorative parts such as thicker worktops and kitchen cheeks that are currently in vogue can be offered more cheaply.
- tube chipboard and honeycomb panels are mentioned. Due to their special properties, tube chipboard used in the manufacture of doors as an inner layer. A disadvantage of these materials is the too low screw extraction resistance, the difficulty attaching fittings and the difficulties in edging.
- binders all conventional binders suitable for the gluing of wood, such as urea-formaldehyde resins, are useful.
- Suitable fillers are foamable or already foamed plastic particles, preferably expandable thermoplastics such as styrene polymers. The particle size of the plastics used is generally in prefoamed plastics 0.6 to 10 mm.
- the plastics are used in an amount of 0.5 to 5 weight percent, based on the wood chips.
- the plates described in the examples have a thickness of 18 to 21 mm, a density of 220 kg / m 3 to 430 kg / m 3 and an average bending strength of 3.6 N / mm 2 to 17.7 N / mm 2 on.
- the transverse tensile strengths are not specified in the examples.
- WO 02/38676 describes a process for the preparation of light products, in which 5 to 40 wt .-% foamable or already foamed polystyrene having a particle size of less than 1 mm, 60 to 95 wt .-% lignocellulose-containing material and binder mixed and at elevated Temperature and increased pressure are pressed to the finished product, wherein the polystyrene melts and on the one hand impregnates the lignocellulosic material and on the other hand by the migration to the surface of the product forms a hard, water-resistant skin.
- urea-formaldehyde resin or melamine-formaldehyde resin may be used as the binder.
- the example describes a product with a thickness of 4.5 mm and a density of 1200 kg / m 3 .
- US 2005/0019548 describes lightweight OSB boards using low density fillers.
- binder polymeric binders such as 4,4-diphenylmethane diisocyanate resin are described.
- fillers glass ceramic, Per-Nt or polymeric materials is described.
- the polymeric material is used in an amount of 0.8 to 20 wt .-% based on the OSB board.
- the polymeric material used in the examples is the material Dualite, which consists of polypropylene, polyvinylidene chloride or polyacrylonitrile. There is a weight reduction of 5% wrote.
- OSB boards having a density of 607 to 677 kg / m 3 and a transverse tensile strength of 0.31 to 0.59 N / mm 2 are described.
- US 2003/24443 discloses a material consisting of wood chips, binders and fillers. Fillers include polymers based on styrene. The volume ratio between the wood chips and the binder is advantageously 1: 1. There are also described prior art plates in which the volume ratio of binder to wood shavings is 90:10. These prior art plates have a density of 948 kg / m 3 . As binders among other thermosetting resins are described. In the examples according to the invention plates with a volume ratio of binder to wood chips of 45:55 are described which have a density of 887 kg / m 3 .
- JP 06031708 describes light wood materials, wherein for the middle layer of a three-layer chipboard, a mixture of 100 parts by weight of wood particles and 5 to 30 parts by weight of particles of synthetic resin foam are used, these resin particles having a specific gravity of not more than 0.3 g / cm 3 and have a compressive strength of at least 30 kg / cm 2 . Further, it is described that the specific gravity of the wood particles should not exceed 0.5 g / cm 3 .
- a mechanical strength of the produced wood materials of 4.7 to 4.9 kg / cm 3 is achieved using wood particles from the Japanese cedar with a density of 0.35 g / cm 3 .
- Lauan and Kapur wood particles with an average density of 0.6 g / cm 3 only a mechanical strength of the produced wood materials of 3.7 kg / cm 3 could be achieved.
- the disadvantage of the prior art is summarized in that on the one hand, the described light (wood) materials for furniture production too low mechanical strength, such as too low SSenauszugs- resistance have. On the other hand, the wood materials described in the prior art still have a high density of over 600 kg / m 3 . Furthermore, in the prior art for the production of lightweight wood-based materials, woods with an unusually light density of less than 0.5 g / cm 3 are employed for the European market.
- Too low mechanical strength for example, lead to breaking or cracking of the components. Furthermore, these components tend during drilling or sawing to additional flaking of further wood material. Fastening hardware is difficult with these materials.
- the object of the present invention was therefore to show light wood materials, which in comparison to the commercial wood materials by 5 bis 40% lower density with the same good mechanical strength.
- the mechanical strength can be determined, for example, by measuring the transverse tensile strength.
- these lightweight wood-based materials should be manufacturable using native, European woods. Consequently, the light wood materials using heavy woods having a density of greater than or equal to 0.5 g / cm 3 should have comparable low densities and comparable high mechanical strengths to the wood materials according to JP 06031708, which were produced using light woods. Furthermore, the swelling and water absorption of the light wood materials should not be affected by the reduced density.
- the object was achieved by light wood materials containing 30 to 95 wt .-%, based on the wood material, wood particles, wherein the wood particles have a mean density of 0.4 to 0.85 g / cm 3 , 2.5 to 20 wt. -%, based on the wood material, polystyrene and / or styrene copolymer as a filler, wherein the filler has a bulk density of 10 to 100 kg / m 3 , and 2.5 to 50 wt .-%, based on the wood material, binder, wherein the average density of the light wood material is less than or equal to 600 kg / m 3 .
- the weight of the binder refers to the solids content of the binder.
- the average density of the wood particles refers to a wood moisture content of 12%. Furthermore, the average density of the wood particles refers to an average density over all wood particles used.
- the wood-base materials according to the invention have an average density of 200 to 600 kg / m 3 , preferably 200 to 575 kg / m 3 , particularly preferably 250 to 550 kg / m 3 , in particular 300 to 500 kg / m 3 .
- the transverse tensile strength of the wood-base materials according to the invention is advantageously greater than 0.3 N / mm 2 , preferably greater than 0.4 N / mm 2 , more preferably greater than 0.5 and in particular greater than 0.6 N / mm 2 .
- the determination of the transverse tensile strength is in accordance with EN 319.
- Wood-based materials are all materials which are made of wood veneers with an average density of 0.4 to 0.85 g / cm 3 , such as veneer sheets or plywood sheets, of wood chips with a mean density of 0.4 to 0.85 g / cm 3 produced wood materials, such as chipboard or OSB boards, and wood fiber materials such as LDF, MDF and HDF boards. Particleboard and fiberboard, in particular chipboard, are preferred.
- the average density of the wood particles is advantageously 0.4 to 0.8 g / cm 3 , preferably 0.4 to 0.75 g / cm 3 , in particular 0.4 to 0.6 g / cm 3 .
- spruce, beech, pine, larch or fir wood is used, preferably spruce and / or beech wood, in particular spruce wood.
- the filler polystyrene and / or styrene copolymer can be prepared by all polymerization processes known to those skilled in the art [see, for example, US Pat. Ullmann's Encyclopedia, Sixth Edition, 2000 Electronic Release]. For example, the preparation is carried out in a conventional manner by suspension polymerization or by extrusion.
- styrene In the suspension polymerization, styrene, optionally with the addition of further comonomers in aqueous suspension, is polymerized in the presence of a customary suspension stabilizer by means of free-radical-forming catalysts.
- the blowing agent and, if appropriate, further additives can be introduced during the polymerization or added to the batch in the course of the polymerization or after the end of the polymerization.
- the resulting peribular optionally expandable styrene polymers are separated after the polymerization from the aqueous phase, washed, dried and sieved.
- the blowing agent is mixed for example via an extruder in the polymer, conveyed through a nozzle plate and granulated into particles or strands.
- the filler polystyrene or styrene copolymer is particularly preferably expandable.
- blowing agents are all blowing agents known to those skilled in the art, for example C3 to C6 hydrocarbons, such as propane, n-butane, isobutane, n-pentane, isopentane, neopentane and / or hexane, alcohols, ketones, ethers or halogenated hydrocarbons , Preferably, a commercially available Pentanisome- ren mixture is used.
- the styrene polymers may contain additives, nucleating agents, plasticizers, flame retardants, soluble and insoluble inorganic and / or organic dyes and pigments, e.g. IR absorber, such as carbon black, graphite or aluminum powder, are added together or spatially separated as additives.
- additives e.g. IR absorber, such as carbon black, graphite or aluminum powder, are added together or spatially separated as additives.
- styrene copolymers these styrene copolymers advantageously have at least 50% by weight, preferably at least 80% by weight, of copolymerized polystyrene.
- comonomers come z. B. ⁇ -methyl styrene, ring halogenated styrenes, acrylonitrile, esters of acrylic or methacrylic acid of Alcohols having 1 to 8 carbon atoms, N-vinylcarbazole, maleic acid (anhydride), (meth) acrylamides and / or vinyl acetate into consideration.
- the polystyrene and / or styrene copolymer may contain in copolymerized form a small amount of a chain splitter, i. a compound with more than one, preferably two double bonds, such as divinylbenzene, butadiene and / or butanediol diacrylate.
- the branching agent is generally used in amounts of from 0.005 to 0.05 mol%, based on styrene.
- styrene (co) polymers having molecular weights and molecular weight distributions, as described in EP-B 106 129 and in DE-A 39 21 148. Preference is given to using styrene (co) polymers having a molecular weight in the range from 190,000 to 400,000 g / mol.
- Mixtures of different styrene (co) polymers can also be used.
- Polystyrene or impact polystyrene (A-IPS), styrene- ⁇ -methylstyrene copolymers, acrylonitrile-butadiene-styrene polymers (ABS), styrene-acrylonitrile are preferably polymerized as styrene polymers, glass-clear polystyrene (GPPS), impact polystyrene (HIPS) (SAN), acrylonitrile-styrene-acrylic ester (ASA), methyl acrylate-butadiene-styrene (MBS), methyl methacrylate-acrylonitrile-butadiene-styrene (MABS) polymers or mixtures thereof or used with polyphenylene ether (PPE).
- GPPS glass-clear polystyrene
- HIPS impact polystyrene
- ASA acrylonitrile-styrene-acrylic ester
- MMS methyl acryl
- polystyrene Styropor®, Neopor® and / or Peripor® from BASF Aktiengesellschaft is particularly preferably used.
- Pre-expanded polystyrene and / or styrene copolymers are advantageously used.
- the prefoamed polystyrene can be prepared by all methods known to the person skilled in the art (for example DE 845264).
- the expandable styrene polymers are expanded in a known manner by heating to temperatures above their softening point, for example with hot air or preferably steam.
- the prefoamed polystyrene or styrene copolymer advantageously has a bulk density of 10 to 100 kg / m 3 , preferably 15 to 80 kg / m 3 , more preferably 20 to 70 kg / m 3 , in particular 30 to 60 kg / m 3 .
- the prefoamed polystyrene or styrene copolymer is advantageously used in the form of spheres or beads having an average diameter of advantageously 0.25 to 10 mm, preferably 0.5 to 5 mm, in particular 0.75 to 3 mm.
- the prefoamed polystyrene or styrene copolymer spheres advantageously have a small surface area per volume, for example in the form of a spherical or elliptical particle.
- the prefoamed polystyrene or styrene copolymer spheres are advantageously closed-celled.
- the open cell density according to DIN-ISO 4590 is less than 30%.
- the (prefoamed) polystyrene or styrene copolymer particularly preferably has an antistatic coating.
- antistatic agents the usual and common in the art substances can be used. Examples are N, N-bis (2-hydroxyethyl) -Ci 2 -C 18 -alkylamines, fatty acid diethanolamides, choline ester chlorides of fatty acids, C 12 -C 20 -alkyl sulfonates, ammonium salts.
- Suitable ammonium salts contain on nitrogen in addition to alkyl groups 1 to 3 hydroxyl-containing organic radicals.
- Suitable quaternary ammonium salts are, for example, those having on the nitrogen cation 1 to 3, preferably 2, identical or different alkyl radicals having 1 to 12, preferably 1 to 10 carbon atoms, and 1 to 3, preferably 2 identical or different hydroxyalkyl or hydroxyalkylpolyoxyalkylene Radicals bound with any anion, such as chloride, bromide, acetate, methyl sulfate or p-toluenesulfonate.
- hydroxyalkyl and hydroxyalkyl-polyoxyalkylene radicals are those which are formed by oxyalkylation of a nitrogen-bonded hydrogen atom and are derived from 1 to 10 oxyalkylene radicals, in particular oxyethylene and oxypropylene radicals.
- An antistatic agent which is particularly preferred is a quaternary ammonium salt or an alkali metal salt, in particular the sodium salt of a C 12 -C 20 alkanesulfonate, eg. B emulsifier K30 from Bayer AG, or mixtures thereof.
- the antistatic agents can generally be added both as a pure substance and in the form of an aqueous solution.
- the antistatic agent can be added in the process for the preparation of polystyrene or styrene copolymer analogously to the customary additives or applied as a coating after the preparation of the polystyrene particles.
- the antistatic agent is advantageously used in an amount of 0.05 to 6 wt .-%, preferably 0.1 to 4 wt .-%, based on the polystyrene or styrene copolymer.
- the filler polystyrene and / or styrene copolymer is advantageously present evenly distributed in the wood material according to the invention.
- the filler balls are advantageously present after pressing to the wood material in an unmelted state. However, it may possibly lead to melting of the filler balls, which are located on the surface of the wood material.
- binders it is possible to use all binders known to the person skilled in the art for the production of wood-based materials.
- Formaldehyde-containing adhesives are advantageously used as binders, for example urea-formaldehyde resins or melamine-containing urea-formaldehyde resins. Preference is given to using urea-formaldehyde resins.
- Kaurit® glue from BASF Aktiengesellschaft is used as the binder.
- the solids content of the binder is usually from 25 to 100 wt .-%, in particular 50 to 70 wt .-%.
- the lightweight wood-base materials according to the invention advantageously contain 55 to 92.5% by weight, preferably 60 to 90% by weight, in particular 70 to 85% by weight, based on the wood material, of wood particles, the wood particles having an average density of 0, 4 to 0.85 g / cm 3 , preferably 0.4 to 0.75 g / cm 3 , in particular 0.4 to 0.6 g / cm 3 , 5 to 15 wt .-%, preferably 8 to 12 wt .-% based on the wood material, polystyrene and / or styrene copolymer filler, wherein the filler has a bulk density of 10 to 100 kg / m 3 , preferably 20 to 80, in particular 30 to 60, and 2.5 to 40 wt .-% , preferably 5 to 25 wt .-%, in particular 5 to 15 wt .-%, based on the wood material, binder, wherein the average density of the light wood material is less than or equal to 600
- the thickness of the wood materials varies with the field of application and is usually in the range of 0.5 to 50 mm.
- the transverse tensile strength of the lightweight wood-base materials according to the invention having a density of 200 to 650 kg / m 3 is advantageously greater than (0.002 ⁇ D - 0.55) N / mm 2 , preferably greater than (0.002 ⁇ D - 0.45) N / mm 2 , in particular greater than (0.0022 x D - 0.45) N / mm 2 .
- the swelling values are advantageously 10% smaller, preferably 20% smaller, in particular 30% smaller than the swelling values of a plate of the same density without filler.
- the present invention relates to a material containing at least three layers, wherein at least the middle layer (s) 30 to 95 wt .-%, based on the wood material, wood particles, wherein the wood particles have an average density of 0 , 4 to 0.85 g / cm 3 , 2.5 to 20 wt .-%, based on the wood material, polystyrene and / or styrene copolymer as filler, wherein the filler has a bulk density of 10 to 100 kg / m 3 , and 2.5 to 50 wt .-%, based on the wood material, binder, wherein the average density of the light wood material is less than or equal to 600 kg / m 3 included.
- the outer layers have no fillers.
- the material comprises three layers wherein the outer cover layers together make up 5 to 50 percent of the total thickness of the composite, preferably 15 to 45 percent, especially 30 to 40 percent, and the middle layer is advantageously 50 to 95 percent of the total thickness of the composite, preferably 55 to 85 percent, especially 60 to 70 percent.
- the present invention relates to a process for the production of light wood materials, which is characterized in that pre-expanded polystyrene and / or styrene copolymer having a bulk density of 10 to 100 kg / m 3 , binder and wood particles with a density of 0.4 to 0, 85 g / cm 3 are mixed and then pressed to a wood material under elevated temperature and elevated pressure.
- the (prefoamed) polystyrene and / or styrene copolymer is preferably provided with an antistatic coating before mixing with the binder and / or the wood particles.
- the wood particle cake is cold pre-sealed before pressing.
- the pressing can be carried out by all methods known to the person skilled in the art. Usually, the wood particle cake is pressed at a press temperature of 150 0 C to 230 0 C to the desired thickness.
- the pressing time is normally 3 to 15 seconds per mm plate thickness.
- the present invention relates to the use of the wood-based materials according to the invention for the production of furniture, of packaging materials, in house building or interior work.
- the advantages of the present invention are the low density of the wood-based materials according to the invention with good mechanical stability. Furthermore, the easily produce wood materials according to the invention; There is no need to retrofit the existing plants for the production of wood-based materials according to the invention.
- Foamable polystyrene was such. As described in EP 981 574. The addition of an antistatic agent during or after production was omitted.
- the polystyrene particles obtained according to Example A1 were treated with steam in a continuous prefoamer.
- the bulk density of the prefoamed polystyrene beads was adjusted by varying the vapor pressure and the steaming time.
- Extruded PS foam available from BASF as Styrodur® (bulk density about 30 kg / m 3 ) was ground in a Pallmann impact mill type PP to an average particle diameter of 0.2 to 2 mm.
- A3.2) polyurethane foam (filler 7) Recycled, commercial polyurethane foam for insulation with a size of 9 cm x 40 cm x 70 cm and a density of 33 kg / m 3 was ground in a granulator Retsch SM2000 to a mean particle diameter of 0.2 to 2 mm.
- the glued chips or fibers were cold precompressed in a 30x30 cm mold.
- the mixture was then pressed in a hot press (press temperature 190 0 C, pressing time 210 s).
- the nominal thickness of the plate was 16 mm in each case.
- the density was determined 24 hours after preparation according to EN 1058.
- the determination of the transverse tensile strength is in accordance with EN 319.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Laminated Bodies (AREA)
- Rod-Shaped Construction Members (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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PL07821530T PL2083974T3 (pl) | 2006-10-19 | 2007-10-18 | Lekkie tworzywa drzewne |
EP20110152229 EP2319670A1 (de) | 2006-10-19 | 2007-10-18 | Leichte Holzwerkstoffe |
EP07821530.8A EP2083974B1 (de) | 2006-10-19 | 2007-10-18 | Leichte holzwerkstoffe |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06122557.9A EP1914052B1 (de) | 2006-10-19 | 2006-10-19 | Leichte Holzwerkstoffe |
PCT/EP2007/061165 WO2008046890A2 (de) | 2006-10-19 | 2007-10-18 | Leichte holzwerkstoffe |
EP07821530.8A EP2083974B1 (de) | 2006-10-19 | 2007-10-18 | Leichte holzwerkstoffe |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP20110152229 Division-Into EP2319670A1 (de) | 2006-10-19 | 2007-10-18 | Leichte Holzwerkstoffe |
Publications (2)
Publication Number | Publication Date |
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EP2083974A2 true EP2083974A2 (de) | 2009-08-05 |
EP2083974B1 EP2083974B1 (de) | 2017-01-18 |
Family
ID=37311395
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
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EP06122557.9A Active EP1914052B1 (de) | 2006-10-19 | 2006-10-19 | Leichte Holzwerkstoffe |
EP20110152229 Withdrawn EP2319670A1 (de) | 2006-10-19 | 2007-10-18 | Leichte Holzwerkstoffe |
EP07821532A Withdrawn EP2083976A2 (de) | 2006-10-19 | 2007-10-18 | Leichte holzwerkstoffe |
EP20070821531 Active EP2083975B1 (de) | 2006-10-19 | 2007-10-18 | Leichte holzwerkstoffe mit guten mechanischen eigenschaften und verfahren zur herstellung der selben |
EP07821530.8A Active EP2083974B1 (de) | 2006-10-19 | 2007-10-18 | Leichte holzwerkstoffe |
Family Applications Before (4)
Application Number | Title | Priority Date | Filing Date |
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EP06122557.9A Active EP1914052B1 (de) | 2006-10-19 | 2006-10-19 | Leichte Holzwerkstoffe |
EP20110152229 Withdrawn EP2319670A1 (de) | 2006-10-19 | 2007-10-18 | Leichte Holzwerkstoffe |
EP07821532A Withdrawn EP2083976A2 (de) | 2006-10-19 | 2007-10-18 | Leichte holzwerkstoffe |
EP20070821531 Active EP2083975B1 (de) | 2006-10-19 | 2007-10-18 | Leichte holzwerkstoffe mit guten mechanischen eigenschaften und verfahren zur herstellung der selben |
Country Status (18)
Country | Link |
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US (2) | US9089991B2 (de) |
EP (5) | EP1914052B1 (de) |
JP (2) | JP5150638B2 (de) |
CN (2) | CN101541488B (de) |
AT (1) | ATE493247T1 (de) |
AU (2) | AU2007312218B2 (de) |
BR (2) | BRPI0717436A2 (de) |
CA (2) | CA2666447A1 (de) |
DE (2) | DE202006020503U1 (de) |
EA (2) | EA013666B1 (de) |
ES (3) | ES2641263T3 (de) |
MY (2) | MY148871A (de) |
NO (3) | NO20091523L (de) |
NZ (2) | NZ576323A (de) |
PL (3) | PL1914052T3 (de) |
PT (3) | PT1914052T (de) |
UA (2) | UA94123C2 (de) |
WO (3) | WO2008046890A2 (de) |
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