DK170147B1 - Katalysatorfri fremgangsmåde til forbedring af lignocellulosematerialers dimensionsstabilitet og biologiske modstandsevne - Google Patents

Katalysatorfri fremgangsmåde til forbedring af lignocellulosematerialers dimensionsstabilitet og biologiske modstandsevne Download PDF

Info

Publication number: DK170147B1
Authority: DK; Denmark
Prior art keywords: acetic anhydride; process according; lignocellulosic; wood; anhydride
Prior art date: 1985-08-28

Application number

DK395986A

Other languages

Danish (da)

English (en)

Other versions

DK395986A (da

DK395986D0 (da

Inventor

Roger M Rowell

Rune Simonson

Anne-Marie Tillman

Original Assignee

A Cell Acetyl Cellulosics

Priority date (The priority date 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 date listed.)

1985-08-28

Filing date

1986-08-20

Publication date

1995-06-06

1986-08-20 Application filed by A Cell Acetyl Cellulosics filed Critical A Cell Acetyl Cellulosics

1986-08-20 Publication of DK395986D0 publication Critical patent/DK395986D0/da

1987-03-01 Publication of DK395986A publication Critical patent/DK395986A/da

1995-06-06 Application granted granted Critical

1995-06-06 Publication of DK170147B1 publication Critical patent/DK170147B1/da

Links

239000000463 material Substances 0.000 title claims abstract description 69
238000000034 method Methods 0.000 title claims description 50
WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims abstract description 220
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 74
239000012978 lignocellulosic material Substances 0.000 claims abstract description 42
238000006640 acetylation reaction Methods 0.000 claims abstract description 28
230000021736 acetylation Effects 0.000 claims abstract description 27
235000019786 weight gain Nutrition 0.000 claims abstract description 19
230000004584 weight gain Effects 0.000 claims abstract description 19
239000007788 liquid Substances 0.000 claims abstract description 18
239000000126 substance Substances 0.000 claims description 14
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 8
239000000835 fiber Substances 0.000 claims description 8
238000010438 heat treatment Methods 0.000 claims description 8
238000005470 impregnation Methods 0.000 claims description 7
238000009833 condensation Methods 0.000 claims description 6
230000005494 condensation Effects 0.000 claims description 6
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 4
229910021529 ammonia Inorganic materials 0.000 claims description 4
238000001035 drying Methods 0.000 claims description 4
238000009489 vacuum treatment Methods 0.000 claims 1
150000008064 anhydrides Chemical class 0.000 abstract description 14
239000006227 byproduct Substances 0.000 abstract description 11
238000006243 chemical reaction Methods 0.000 abstract description 10
239000003054 catalyst Substances 0.000 abstract description 9
239000006184 cosolvent Substances 0.000 abstract description 4
229960000583 acetic acid Drugs 0.000 abstract 1
235000011054 acetic acid Nutrition 0.000 abstract 1
239000002023 wood Substances 0.000 description 41
238000011282 treatment Methods 0.000 description 14
241000894007 species Species 0.000 description 13
239000007787 solid Substances 0.000 description 11
239000002245 particle Substances 0.000 description 10
210000002421 cell wall Anatomy 0.000 description 9
241000208140 Acer Species 0.000 description 8
239000003153 chemical reaction reagent Substances 0.000 description 8
239000000523 sample Substances 0.000 description 8
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
238000007598 dipping method Methods 0.000 description 6
229920000642 polymer Polymers 0.000 description 6
235000014466 Douglas bleu Nutrition 0.000 description 5
240000001416 Pseudotsuga menziesii Species 0.000 description 5
235000005386 Pseudotsuga menziesii var menziesii Nutrition 0.000 description 5
JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 5
239000000047 product Substances 0.000 description 5
230000035484 reaction time Effects 0.000 description 5
238000012360 testing method Methods 0.000 description 5
241000894006 Bacteria Species 0.000 description 4
235000011777 Corchorus aestuans Nutrition 0.000 description 4
235000010862 Corchorus capsularis Nutrition 0.000 description 4
241000233866 Fungi Species 0.000 description 4
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
238000006731 degradation reaction Methods 0.000 description 4
235000013399 edible fruits Nutrition 0.000 description 4
240000000491 Corchorus aestuans Species 0.000 description 3
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
230000015556 catabolic process Effects 0.000 description 3
239000003085 diluting agent Substances 0.000 description 3
239000004744 fabric Substances 0.000 description 3
239000000203 mixture Substances 0.000 description 3
238000011084 recovery Methods 0.000 description 3
230000006641 stabilisation Effects 0.000 description 3
238000011105 stabilization Methods 0.000 description 3
229910001220 stainless steel Inorganic materials 0.000 description 3
239000010935 stainless steel Substances 0.000 description 3
230000008961 swelling Effects 0.000 description 3
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
102100027479 DNA-directed RNA polymerase I subunit RPA34 Human genes 0.000 description 2
101001068636 Homo sapiens Protein regulator of cytokinesis 1 Proteins 0.000 description 2
235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
235000011613 Pinus brutia Nutrition 0.000 description 2
241000018646 Pinus brutia Species 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
229920002678 cellulose Polymers 0.000 description 2
239000001913 cellulose Substances 0.000 description 2
239000011248 coating agent Substances 0.000 description 2
238000000576 coating method Methods 0.000 description 2
230000006835 compression Effects 0.000 description 2
238000007906 compression Methods 0.000 description 2
230000003750 conditioning effect Effects 0.000 description 2
239000013068 control sample Substances 0.000 description 2
230000007423 decrease Effects 0.000 description 2
238000004821 distillation Methods 0.000 description 2
239000012467 final product Substances 0.000 description 2
238000004508 fractional distillation Methods 0.000 description 2
239000007789 gas Substances 0.000 description 2
230000007062 hydrolysis Effects 0.000 description 2
238000006460 hydrolysis reaction Methods 0.000 description 2
125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
238000007639 printing Methods 0.000 description 2
238000000746 purification Methods 0.000 description 2
UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
239000002904 solvent Substances 0.000 description 2
238000005507 spraying Methods 0.000 description 2
238000003860 storage Methods 0.000 description 2
239000012808 vapor phase Substances 0.000 description 2
239000000052 vinegar Substances 0.000 description 2
235000021419 vinegar Nutrition 0.000 description 2
230000004580 weight loss Effects 0.000 description 2
JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
XVMSFILGAMDHEY-UHFFFAOYSA-N 6-(4-aminophenyl)sulfonylpyridin-3-amine Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=N1 XVMSFILGAMDHEY-UHFFFAOYSA-N 0.000 description 1
240000004792 Corchorus capsularis Species 0.000 description 1
102000004190 Enzymes Human genes 0.000 description 1
108090000790 Enzymes Proteins 0.000 description 1
229930091371 Fructose Natural products 0.000 description 1
239000005715 Fructose Substances 0.000 description 1
RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 description 1
229920002488 Hemicellulose Polymers 0.000 description 1
CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
241000183024 Populus tremula Species 0.000 description 1
241000282485 Vulpes vulpes Species 0.000 description 1
229920002522 Wood fibre Polymers 0.000 description 1
125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
239000002253 acid Substances 0.000 description 1
150000008065 acid anhydrides Chemical class 0.000 description 1
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
235000021053 average weight gain Nutrition 0.000 description 1
238000006065 biodegradation reaction Methods 0.000 description 1
238000007385 chemical modification Methods 0.000 description 1
239000011093 chipboard Substances 0.000 description 1
239000004035 construction material Substances 0.000 description 1
238000005336 cracking Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000009792 diffusion process Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000007515 enzymatic degradation Effects 0.000 description 1
CCGKOQOJPYTBIH-UHFFFAOYSA-N ethenone Chemical compound C=C=O CCGKOQOJPYTBIH-UHFFFAOYSA-N 0.000 description 1
238000000605 extraction Methods 0.000 description 1
235000013312 flour Nutrition 0.000 description 1
230000002538 fungal effect Effects 0.000 description 1
150000004676 glycans Chemical class 0.000 description 1
239000011121 hardwood Substances 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
230000003301 hydrolyzing effect Effects 0.000 description 1
230000002045 lasting effect Effects 0.000 description 1
230000007774 longterm Effects 0.000 description 1
229910001507 metal halide Inorganic materials 0.000 description 1
150000005309 metal halides Chemical class 0.000 description 1
230000003278 mimic effect Effects 0.000 description 1
150000007530 organic bases Chemical group 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
239000003973 paint Substances 0.000 description 1
230000035515 penetration Effects 0.000 description 1
229920001282 polysaccharide Polymers 0.000 description 1
239000005017 polysaccharide Substances 0.000 description 1
238000004064 recycling Methods 0.000 description 1
230000008929 regeneration Effects 0.000 description 1
238000011069 regeneration method Methods 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
230000002441 reversible effect Effects 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
238000000926 separation method Methods 0.000 description 1
238000007086 side reaction Methods 0.000 description 1
239000011122 softwood Substances 0.000 description 1
239000002689 soil Substances 0.000 description 1
239000011343 solid material Substances 0.000 description 1
239000000758 substrate Substances 0.000 description 1
239000002344 surface layer Substances 0.000 description 1
238000004381 surface treatment Methods 0.000 description 1
150000003512 tertiary amines Chemical class 0.000 description 1
238000010998 test method Methods 0.000 description 1
230000000930 thermomechanical effect Effects 0.000 description 1
238000009827 uniform distribution Methods 0.000 description 1
239000010876 untreated wood Substances 0.000 description 1
239000002966 varnish Substances 0.000 description 1
238000009736 wetting Methods 0.000 description 1
239000002025 wood fiber Substances 0.000 description 1
239000008096 xylene Substances 0.000 description 1
239000011592 zinc chloride Substances 0.000 description 1
235000005074 zinc chloride Nutrition 0.000 description 1

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
- D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds
- 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
- B27K3/34—Organic impregnating agents
- B27K3/346—Grafting onto wood fibres
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H8/00—Macromolecular compounds derived from lignocellulosic materials
- 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
- B27K3/08—Impregnating by pressure, e.g. vacuum impregnation

Landscapes

Life Sciences & Earth Sciences (AREA)
Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Materials Engineering (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Biochemistry (AREA)
Forests & Forestry (AREA)
General Chemical & Material Sciences (AREA)
Chemical And Physical Treatments For Wood And The Like (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Details Of Garments (AREA)
Compounds Of Unknown Constitution (AREA)
Materials For Medical Uses (AREA)
Dry Formation Of Fiberboard And The Like (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Prostheses (AREA)
Laminated Bodies (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)

DK395986A 1985-08-28 1986-08-20 Katalysatorfri fremgangsmåde til forbedring af lignocellulosematerialers dimensionsstabilitet og biologiske modstandsevne DK170147B1 (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
EP85850268A EP0213252B1 (en)	1985-08-28	1985-08-28	A process for improving dimensional stability and biological resistance of lignocellulosic material
EP85850268		1985-08-28

Publications (3)

Publication Number	Publication Date
DK395986D0 DK395986D0 (da)	1986-08-20
DK395986A DK395986A (da)	1987-03-01
DK170147B1 true DK170147B1 (da)	1995-06-06

Family

ID=8194721

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK395986A DK170147B1 (da)	1985-08-28	1986-08-20	Katalysatorfri fremgangsmåde til forbedring af lignocellulosematerialers dimensionsstabilitet og biologiske modstandsevne

Country Status (14)

Country	Link
US (1)	US4804384A (pt)
EP (1)	EP0213252B1 (pt)
JP (1)	JPH0622801B2 (pt)
AT (1)	ATE60727T1 (pt)
AU (1)	AU594072B2 (pt)
CA (1)	CA1284563C (pt)
DE (1)	DE3581737D1 (pt)
DK (1)	DK170147B1 (pt)
ES (1)	ES2001601A6 (pt)
FI (1)	FI87432C (pt)
IN (1)	IN168462B (pt)
NO (1)	NO170201C (pt)
NZ (1)	NZ217103A (pt)
PT (1)	PT83263B (pt)

Families Citing this family (57)

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US5431868A (en) *	1993-07-29	1995-07-11	Yamaha Corporation	Vapor phase acetylation manufacturing method for wood board
AU5287593A (en) *	1993-08-28	1995-03-22	A-Cell Acetyl Cellulosics Ab	Method for improvement of paper properties such as wet strength and resistance to light induced ageing
GB9322187D0 (en) *	1993-10-28	1993-12-15	Bp Chem Int Ltd	Acetylation of lignocellulosic materials
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US5470614A (en) *	1994-03-02	1995-11-28	The United States Of America As Represented By The Secretary Of Agriculture	Treatment of wood and other lignocellulosic materials with iodates
DK0680810T3 (da)	1994-05-04	1999-04-26	Stichting Hout Research Shr	Fremgangsmåde til acetylering af massivt træ
JP2000351106A (ja)	1999-06-10	2000-12-19	Yamaha Corp	木質材の製造法
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US20050020829A1 (en) *	2000-12-04	2005-01-27	Shigetaka Yamamoto	Treatment method for wooden material
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US7179327B2 (en) *	2001-02-20	2007-02-20	Wampole Sr Glenn P	Wood treatment process and chemical composition
US6537357B2 (en)	2001-02-20	2003-03-25	Glenn Paul Wampole, Sr.	Treatment of wood, wood fiber products, and porous surfaces with periodic acid and iodic acid
DE10249602A1 (de) *	2002-10-21	2004-05-06	Winkler, Joachim	Holzteil, insbesondere Fenster- oder Türprofil
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US20050112393A1 (en) *	2003-11-20	2005-05-26	Fliermans Carl B.	Antifungal preservative composition for an environmentally friendly process
NZ531217A (en) *	2004-02-18	2005-12-23	Nz Forest Research Inst Ltd	Impregnation process
DK176774B1 (da) *	2004-12-22	2009-08-03	Danish Plant Fibre Technologie	Modificeret sorberende lignocellulosefibermateriale, fremgangsmåde til dets fremstilling, metode til fjernelse af forureninger fra fluide og vandige medier samt anendelse af materialet
DE102005047363A1 (de)	2005-10-04	2007-04-12	Basf Ag	Formaldehydarmes Lignocellulosematerial und Verfahren zu dessen Herstellung
EA021921B1 (ru) *	2007-05-18	2015-09-30	Вкр Холдинг А/С	Рамное устройство и способ его изготовления
US7794824B2 (en)	2007-06-25	2010-09-14	Weyerhaeuser Nr Company	Carbon fibers from kraft softwood lignin
US8455680B2 (en)	2008-01-15	2013-06-04	Eastman Chemical Company	Carboxylic acid production process employing solvent from esterification of lignocellulosic material
US8614350B2 (en)	2008-01-15	2013-12-24	Eastman Chemical Company	Carboxylic acid production process employing solvent from esterification of lignocellulosic material
GB0801880D0 (en) *	2008-02-01	2008-03-12	Titan Wood Ltd	Process and product thereof
CN103481342B (zh) *	2008-02-01	2018-09-07	泰坦木业有限公司	乙酰化的木材
US7790922B2 (en)	2008-03-14	2010-09-07	Celanese International Corporation	Purification of acetic acid from wood acetylation process using extraction
US7612232B2 (en)	2008-03-27	2009-11-03	Celanese International Corporation	Purification of acetic acid from wood acetylation process
US8906466B2 (en)	2009-06-25	2014-12-09	Eastman Chemical Company	Esterified lignocellulosic materials and methods for making them
US20100331531A1 (en) *	2009-06-25	2010-12-30	Eastman Chemical Company	Methods for esterifying lignocellulosic material
EP2289980A1 (en)	2009-07-30	2011-03-02	Danish Plant Fibre Technologies Holding A/S	A process and apparatus for modification of lignocellulosic materials and products of modified lignocellulosic materials obtained by the process
CN103118804B (zh) *	2010-09-17	2016-04-06	泰坦木业有限公司	木材碎块的处理
US20120160839A1 (en)	2010-12-23	2012-06-28	Eastman Chemical Company	Microwave wood heater with enhanced spatial usage efficiency and uniformity of heat distribution
AU2011355330A1 (en) *	2011-01-10	2013-07-18	Danish Plant Fibre Technologies Holding A/S	A process and apparatus for modification of lignocellulosic materials and products of modified lignocellulosic materials obtained by the process
EP2623281A1 (en) *	2012-01-31	2013-08-07	Titan Wood Limited	Acetylated wood
BR112014019395B1 (pt) *	2012-02-07	2021-02-02	Titan Wood Limited	processo para a acetilação de madeira, madeira acetilada e peça de madeira acetilada
US20130202789A1 (en) *	2012-02-08	2013-08-08	Eastman Chemical Company	Methods of acetylation of wood involving multiple acetylation cycles
DE202012001409U1 (de)	2012-02-10	2012-03-13	Haustüren-Ring GmbH	Türrohling mit acetyliertem Holz und Tür umfassend einen solchen Türrohling
WO2013139937A2 (en) *	2012-03-21	2013-09-26	Titan Wood Limited	Method for the modification of wood
CN103659967B (zh) *	2012-09-05	2016-03-09	中国林业科学研究院木材工业研究所	一种乙酰化纤维材料的处理方法和由该方法得到的材料
TW201430033A (zh) *	2013-01-31	2014-08-01	Pou Chen Corp	含改質天然纖維的生質高分子材料及其製造方法
US20140234647A1 (en) *	2013-02-19	2014-08-21	Brian Matthew Sanderson	Composition and Method of Manufacture of Hardened Wood
GB2511120B (en) *	2013-02-26	2017-06-21	Medite Europe Ltd	Acetylated wood fibre
CA2913448C (en)	2013-05-24	2022-03-08	Stora Enso Oyj	Compositions for use in protection of wood and wood products from microorganisms, weather, and fire
EP3004217A1 (en)	2013-06-03	2016-04-13	Chemconserve B.V.	Modified wood fibres for manufacture in composites
GB201412838D0 (en) *	2014-07-18	2014-09-03	Tricoya Technologies Ltd	Recovery of wood acetylation fluid
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GB201412837D0 (en) *	2014-07-18	2014-09-03	Tricoya Technologies Ltd	Recovery and use of wood acetylation fluid
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1985
- 1985-08-28 AT AT85850268T patent/ATE60727T1/de not_active IP Right Cessation
- 1985-08-28 DE DE8585850268T patent/DE3581737D1/de not_active Expired - Lifetime
- 1985-08-28 EP EP85850268A patent/EP0213252B1/en not_active Expired - Lifetime
1986
- 1986-08-05 NZ NZ217103A patent/NZ217103A/xx unknown
- 1986-08-07 AU AU60979/86A patent/AU594072B2/en not_active Ceased
- 1986-08-11 IN IN645/MAS/86A patent/IN168462B/en unknown
- 1986-08-19 CA CA000516264A patent/CA1284563C/en not_active Expired - Fee Related
- 1986-08-20 DK DK395986A patent/DK170147B1/da not_active IP Right Cessation
- 1986-08-26 FI FI863443A patent/FI87432C/fi not_active IP Right Cessation
- 1986-08-27 NO NO863435A patent/NO170201C/no unknown
- 1986-08-27 PT PT83263A patent/PT83263B/pt not_active IP Right Cessation
- 1986-08-27 JP JP61201211A patent/JPH0622801B2/ja not_active Expired - Fee Related
- 1986-08-27 ES ES8601408A patent/ES2001601A6/es not_active Expired
1987
- 1987-04-08 US US07/036,050 patent/US4804384A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
FI863443L (fi)	1987-03-01
EP0213252B1 (en)	1991-02-06
US4804384A (en)	1989-02-14
EP0213252A1 (en)	1987-03-11
JPH0622801B2 (ja)	1994-03-30
NZ217103A (en)	1989-09-27
IN168462B (pt)	1991-04-06
NO170201B (no)	1992-06-15
ATE60727T1 (de)	1991-02-15
ES2001601A6 (es)	1988-06-01
PT83263A (pt)	1986-09-01
FI87432B (fi)	1992-09-30
NO863435D0 (no)	1986-08-27
FI863443A0 (fi)	1986-08-26
CA1284563C (en)	1991-06-04
NO170201C (no)	1992-09-23
JPS6264501A (ja)	1987-03-23
PT83263B (pt)	1988-08-17
DK395986A (da)	1987-03-01
AU594072B2 (en)	1990-03-01
AU6097986A (en)	1987-03-05
DK395986D0 (da)	1986-08-20
NO863435L (no)	1987-03-02
FI87432C (fi)	1993-01-11
DE3581737D1 (de)	1991-03-14

Legal Events

Date	Code	Title	Description
1995-06-06	B1	Patent granted (law 1993)
2005-05-30	PBP	Patent lapsed	Country of ref document: DK

Publication	Publication Date	Title
DK170147B1 (da)	1995-06-06	Katalysatorfri fremgangsmåde til forbedring af lignocellulosematerialers dimensionsstabilitet og biologiske modstandsevne
Kamdem et al.	2002	Durability of heat-treated wood
EP0680810B1 (en)	1998-07-22	Process for acetylating solid wood
AU2004202262B2 (en)	2005-06-02	Methods for esterifying hydroxyl groups in wood
US20060169430A1 (en)	2006-08-03	Method for producing pulp and lignin
US6251221B1 (en)	2001-06-26	Process for preparing cellulose from lignin-poor cellulose-containing feed stocks
US8034462B2 (en)	2011-10-11	Wood treated by impregnation with mixed anhydrides
JP4629055B2 (ja)	2011-02-09	含浸方法
US4592962A (en)	1986-06-03	Process for acetylating a wood material
US4826566A (en)	1989-05-02	Rapid disolution of lignin and other non-carbohydrates from ligno-cellulosic materials impregnated with a reaction product of triethyleneglycol and an organic acid
US5451361A (en)	1995-09-19	Process for upgrading low-quality wood
FI108233B (fi)	2001-12-14	Menetelmä muurahaishapon talteenottamiseksi
EP0623433A1 (en)	1994-11-09	Process for upgrading low-quality wood
JP3572323B1 (ja)	2004-09-29	間伐材の加工方法
WO1997032075A1 (en)	1997-09-04	Process for the production of lignin and microcellulose
He et al.	2024	Fabrication of highly stable and durable wood materials by modification of polyacrylamide (PAM)-glyoxal (GLY)
AU720310B2 (en)	2000-05-25	Process for preparing cellulosic fibrous aggregates
JPH056481B2 (pt)	1993-01-26
CA1247308A (en)	1988-12-28	Process for acetylating a wood material
SU1546261A1 (ru)	1990-02-28	Способ получени модифицированной древесины
JPH0322802B2 (pt)	1991-03-27
JPH0356642B2 (pt)	1991-08-28
JPH0423603B2 (pt)	1992-04-22
NO171568B (no)	1992-12-21	Fremgangsmaate for fremstilling av produkter som inneholder fibre av lignocellulosemateriale
JPH0322801B2 (pt)	1991-03-27