CN108858573A - A kind of modified ceramic wood and manufacturing method - Google Patents
A kind of modified ceramic wood and manufacturing method Download PDFInfo
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- CN108858573A CN108858573A CN201810375459.8A CN201810375459A CN108858573A CN 108858573 A CN108858573 A CN 108858573A CN 201810375459 A CN201810375459 A CN 201810375459A CN 108858573 A CN108858573 A CN 108858573A
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- timber
- performed polymer
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- wood
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- 239000002023 wood Substances 0.000 title claims abstract description 48
- 239000000919 ceramic Substances 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 239000000985 reactive dye Substances 0.000 claims abstract description 18
- 229920000642 polymer Polymers 0.000 claims description 51
- 238000010438 heat treatment Methods 0.000 claims description 41
- 239000000835 fiber Substances 0.000 claims description 35
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 30
- 229920001228 polyisocyanate Polymers 0.000 claims description 22
- 239000005056 polyisocyanate Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000004814 polyurethane Substances 0.000 claims description 16
- 229920002635 polyurethane Polymers 0.000 claims description 16
- 239000000284 extract Substances 0.000 claims description 12
- 238000002803 maceration Methods 0.000 claims description 12
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 10
- 150000003077 polyols Chemical class 0.000 claims description 9
- 102000004169 proteins and genes Human genes 0.000 claims description 9
- 108090000623 proteins and genes Proteins 0.000 claims description 9
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 8
- 238000007598 dipping method Methods 0.000 claims description 8
- 229920005906 polyester polyol Polymers 0.000 claims description 8
- 229920000570 polyether Polymers 0.000 claims description 8
- 229920005862 polyol Polymers 0.000 claims description 8
- 239000002981 blocking agent Substances 0.000 claims description 7
- 239000000975 dye Substances 0.000 claims description 7
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 6
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 4
- 150000002460 imidazoles Chemical group 0.000 claims description 4
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000005554 pickling Methods 0.000 claims description 4
- 235000010270 methyl p-hydroxybenzoate Nutrition 0.000 claims description 3
- 239000004292 methyl p-hydroxybenzoate Substances 0.000 claims description 3
- LXCFILQKKLGQFO-UHFFFAOYSA-N methylparaben Chemical compound COC(=O)C1=CC=C(O)C=C1 LXCFILQKKLGQFO-UHFFFAOYSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 150000001875 compounds Chemical group 0.000 claims description 2
- QPJVMBTYPHYUOC-UHFFFAOYSA-N methyl benzoate Chemical compound COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 0.000 claims 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 229940095102 methyl benzoate Drugs 0.000 claims 1
- 150000004702 methyl esters Chemical class 0.000 claims 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims 1
- 229960004889 salicylic acid Drugs 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 239000003086 colorant Substances 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract 3
- 238000000576 coating method Methods 0.000 abstract 3
- 230000002421 anti-septic effect Effects 0.000 abstract 1
- 230000000855 fungicidal effect Effects 0.000 abstract 1
- 238000010186 staining Methods 0.000 abstract 1
- 239000012948 isocyanate Substances 0.000 description 11
- 150000002513 isocyanates Chemical class 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 229920002678 cellulose Polymers 0.000 description 8
- 239000001913 cellulose Substances 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 229920005610 lignin Polymers 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 229920002488 Hemicellulose Polymers 0.000 description 5
- 238000004043 dyeing Methods 0.000 description 5
- 210000002421 cell wall Anatomy 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 2
- 239000004035 construction material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- 150000003384 small molecules Chemical class 0.000 description 2
- 244000297179 Syringa vulgaris Species 0.000 description 1
- 235000004338 Syringa vulgaris Nutrition 0.000 description 1
- 235000009754 Vitis X bourquina Nutrition 0.000 description 1
- 235000012333 Vitis X labruscana Nutrition 0.000 description 1
- 240000006365 Vitis vinifera Species 0.000 description 1
- 235000014787 Vitis vinifera Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012675 alcoholic extract Substances 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 150000002402 hexoses Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000002772 monosaccharides Chemical class 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- -1 p-hydroxyphenyl structure Chemical group 0.000 description 1
- 150000002972 pentoses Chemical class 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- ODLMAHJVESYWTB-UHFFFAOYSA-N propylbenzene Chemical group CCCC1=CC=CC=C1 ODLMAHJVESYWTB-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/50—Mixtures of different organic impregnating agents
-
- 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
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/0085—Thermal treatments, i.e. involving chemical modification of wood at temperatures well over 100°C
-
- 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
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/02—Staining or dyeing wood; Bleaching wood
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a kind of application methods of modified ceramic wood, it using the NCO group that is unsealed entered in timber occurs chemical reaction and using reactive dye are to wood staining while that chemical reaction manufacture ceramics occur is wooden, using application method of the invention, due to consistent inside and outside ceramic wood, it does not need coating coating i.e. and can guarantee inside and outside hardness, waterproof performance, antiseptic property, mothproof performance, fungicidal properties and the dimensional stability of ceramics wood, can directly be used under the premise of being not coated by coating.And the ceramics wood of different colours can be manufactured into as needed, and the reactive dye being added can react with timber.
Description
Technical field
The present invention relates to ceramic wood and its manufacturing methods.Especially with arrive furniture, ornament materials, construction material, art
Ceramics wood on product.
Background technique
The application of timber is very extensive, such as furniture, ornament materials, construction material, the art work.For being used for a long time
Timber for, generally require and do anti-corrosion and waterproof processing, in carrying out above-mentioned treatment process, generally use anti-corrosion waterproof material
Timber is handled, but current anti-corrosion waterproof material is only on the surface of timber, it is difficult to it enters in the gap of timber, this
Sample, once the anti-corrosion waterproof material of wood surface is destroyed, then the preservation of timber against decay, waterproof performance decline, timber are easy to appear change
Shape, it is mouldy phenomena such as.The anticorrosive wood of market at present is handled using preservative, non-watertight, once preservative fails, is begun to
Burn into is mouldy, is not real anticorrosive wood.
Timber is a kind of organic material of spontaneous growth, is made of polymer substance and lower-molecular substance.It is thin to constitute timber
The main matter of cell wall is three kinds of high polymers, and three kinds of high polymers are respectively cellulose, hemicellulose and lignin, accounts for wood weight
97%-99%.
Cellulose is by many mono- grape pool bases of D by l, 4- β-glucoside linear natural polymer chemical combination made of being keyed
Object plays skeleton function in wood cell wall, typically constitutes from 40% of wood components or more, and 50% or so is accounted in wood cell.
Its chemical property and supramolecular structure have a major impact wood property and processing performance.
Hemicellulose is cementation to be played, mainly by hexose, sweet with the close-connected substance of cellulose in wood cell wall
Reveal five kinds of neutral monosaccharides compositions such as sugar, the gala pool, pentose and Arabic a kind of farm tools, strand is short more than cellulose, and has one
Fixed branch degree.
The aromatic compound that lignin is made of phenylpropane units is deposited on cell in cell formation process
Last a kind of high polymer in wall, they run through mutually cellulose, play a part of to strengthen cell wall.There are three types of basic for lignin
Structure, i.e. guaiacyl structure, lilac based structures and p-hydroxyphenyl structure mainly include alcoholic extract hydroxyl group, phenolic hydroxyl group, carbonyl, carboxylic
A variety of chemical reactions can occur for base and methyl etc..Isocyanate resin fills timber gap primarily from isocyanate group
Reacting between active hydrogen a large amount of in timber is formed by chemical bond, such as the hydroxyl in cellulose, hemicellulose rope, in lignin
Phenolic hydroxyl group, further include a large amount of water contained in timber, they can react with isocyanates, this is isocyanates
Base and substrate active hydrogen reaction form chemical bonds；Secondly, the big polar group of isocyanate resin and the oxygen-containing, nitrogen of substrate etc.
The asking for product for forming Hydrogenbond, isocyanate group itself or isocyanate group and isocyanate group and timber can produce self-crosslinking
Reaction.But in practical applications, the activity of NCO group is very big, directly penetrates into polyisocyanates in timber, NCO base
Group's chance quickly reacts with water, active hydrogen, when to isocyanates not completely into in timber, just has occurred that
Solidification, in this way, polyisocyanates is just difficult to completely penetrate to be filled up completely the gap in timber in timber, in this way, current
Polyisocyanates can only be also confined in the field of adhesive.
In addition, log has the color itself of itself, and in use, user requires the use of color,
In this way, the use of log is just restricted.
Summary of the invention
The object of the present invention is to provide a kind of modified ceramic wood and manufacturing methods, using ceramics wood of the invention and by being somebody's turn to do
The ceramics wood that manufacturing method obtains, anti-corrosion and waterproof, mothproof, dimensionally stable, long service life as ceramics, performance is good, so that
Timber is not easy to deform, is mouldy, while durable, and the inner layer of ceramics wood is consistent with outer layer, will not be polished because of cladding material
It is different with internal layer ceramics wood after falling.And the ceramics wood of different colours can be manufactured into as needed, and the reactive dye being added
It can react with timber.
In order to achieve the above objectives, a kind of manufacturing method of modified ceramic wood, includes the following steps：
(1) performed polymer is prepared, polyisocyanates and polyether polyol or polyester polyol are reacted；
(2) sealer is added in performed polymer, forms enclosed type performed polymer with blocking agent NCO group, reaction equation is：
(3) water is added in enclosed type performed polymer and reactive dye form maceration extract；
(3) by timber pickling in maceration extract, maceration extract entered wood by 12-24 hours under the pressure of 1-10MPa
In material；
(4) timber by dipping is taken out, is then placed in heating kettle, heating 10- is carried out to the timber by dipping
20 hours, heating temperature be 100-180 DEG C, heating use segmentally heating, wherein 100-120 DEG C heating 4-8 hours, 120-150
DEG C heating 4-8 hours, 150-180 DEG C heating 2-4 hours, during heating, closed NCO group is unsealed, and is occurred simultaneously
Chemical reaction, wherein the active group that amino reacts in the hydroxyl and protein fibre in the molecule and timber of reactive dye
Group generates covalent bond with fiber when dyeing, generates " dye-fibre "；It is netted that compound forms lumber fibre composition in timber
Simultaneously ceramics wood is made in the polyurethane of structure；The chemical reaction of generation mainly has：
Modified ceramic wood includes timber, filled with the polyurethane for forming reticular structure with lumber fibre in the gap of timber
And the hydroxyl and protein fibre of lumber fibre react the dye-fibre generated with reactive dyestuff molecule, the polyurethane is
High molecular polymer made of being reacted as enclosed type performed polymer with water, enclosed type performed polymer is by polyisocyanates and polyether polyol
Or polyester polyol reacts to form performed polymer and then use blocking agent NCO group.The temperature for forming enclosed type performed polymer is 60-
100 DEG C, the content of NCO group accounts for the 5-20% of enclosed type performed polymer in enclosed type performed polymer, and enclosed type performed polymer molecular weight is
80% solvent of 1000-5000, enclosed type performed polymer solid content >：Water, the above percentage are weight percentage.
Further, one of polyisocyanates TDI, MDI, HDI, IPDI or several.
Further, sealer is one of imidazoles, gaultherolin, methyl p-hydroxybenzoate.
It further, include reacting the portion formed with hydroxyl in ceramic wood and phenolic hydroxyl group by polyisocyanates in ceramics wood
Point.
In the present invention, based on the characteristic in timber with hydroxyl, phenolic hydroxyl group and a large amount of water, and in polyisocyanates
The activity of NCO group has unusual height, for this purpose, the present invention first closes NCO group, enclosed type performed polymer and water is allowed to press
Completely into after in the gap to timber in the time of power and control, NCO group is unsealed by heating, in the mistake of deblocking
Cheng Zhong, NCO group, which react with water, hydroxyl, phenolic hydroxyl group, is formed by curing polyurethane, in the curing process, polyurethane and timber
Fiber forms reticular structure, and in deblocking and solidification process, polyisocyanates fills timber gap primarily from isocyanates
Reacting between base and active hydrogen a large amount of in timber is formed by chemical bond, such as the hydroxyl in cellulose, hemicellulose rope, lignin
In phenolic hydroxyl group, further include a large amount of water contained in timber, they can react with isocyanates, this is isocyanic acid
Ester group and substrate active hydrogen reaction form chemical bonds；Secondly, the big polar group of isocyanate resin and the oxygen-containing, nitrogen of substrate etc.
Group, which forms asking for the product of Hydrogenbond, isocyanate group itself or isocyanate group and isocyanate group and timber, can produce itself friendship
Connection reaction.In this way, being not only filled up completely the gap in timber, but also the inside and outside of timber is allowed to be consistent, makes timber picture ceramic
The same anti-corrosion and waterproof, mothproof, dimensionally stable, long service life, performance is good, so that timber is not easy to deform, is mouldy, while resistance to
With.During heating, it unlocks partially enclosed dose come to enter in wood-fibred, partially enclosed dose high because of temperature of reason quilt
Moisture is taken away, and the purpose using segmentally heating is that small molecule and moisture is allowed all to volatilize, and achievees the purpose that environmental protection.In the present invention
In, by polyisocyanates and polyether polyol or polyester polyol before closing NCO group, in this way, enclosed type pre-polymerization can be improved
The penetrating power and mobility of body allow enclosed type performed polymer more, faster to enter in timber.
In addition, in the present invention, by the way that reactive dye are added, the hydroxyl and protein in the molecule and timber of property dyestuff are fine
The active group that amino reacts in dimension generates covalent bond with fiber when dyeing, generates " dye-fibre " and therefore not only lives
Property dyestuff timber can be given to increase color, and increase color timber it is inside and outside the same, while reactive dye can be acted on timber,
Further improve the performance of timber.
Specific embodiment
The present invention will be described in further detail With reference to embodiment.
Modified ceramic wood includes timber, filled with the polyurethane for forming reticular structure with lumber fibre in the gap of timber
And the hydroxyl and protein fibre of lumber fibre react the dye-fibre generated with reactive dyestuff molecule, the polyurethane is
High molecular polymer made of being reacted as enclosed type performed polymer with water, enclosed type performed polymer is by polyisocyanates and polyether polyol
Or polyester polyol reacts to form performed polymer and then use blocking agent NCO group；The temperature for forming enclosed type performed polymer is 60-
100 DEG C, the content of NCO group accounts for the 5-20% of enclosed type performed polymer in enclosed type performed polymer, and enclosed type performed polymer molecular weight is
80% solvent of 1000-5000, enclosed type performed polymer solid content >：Water, the above percentage are weight percentage.Polyisocyanates is
One of TDI, MDI, HDI, IPDI are several.Sealer is imidazoles, in gaultherolin, methyl p-hydroxybenzoate
It is a kind of.
Embodiment 1.
The manufacturing method of modified ceramic wood includes the following steps：
(1) performed polymer is prepared, the polyether polyol of 30% polyisocyanates and 10% is reacted.
(2) 10% sealer is added in performed polymer, forms enclosed type performed polymer with blocking agent NCO group, instead
Ying Shiwei：
(3) water and reactive dye that 50% is added in enclosed type performed polymer form maceration extract.Reactive dye account for polyurethane
The 10%-20% of raw material.
(3) by timber pickling in maceration extract, maceration extract entered wood by 12-24 hours under the pressure of 1-10MPa
In material.
(4) timber by dipping is taken out, is then placed in heating kettle, heating 10- is carried out to the timber by dipping
20 hours, heating temperature be 100-180 DEG C, heating use segmentally heating, wherein 100-120 DEG C heating 4-8 hours, 120-150
DEG C heating 4-8 hours, 150-180 DEG C heating 2-4 hours, during heating, closed NCO group is unsealed, and is occurred simultaneously
Chemical reaction, wherein the active group that amino reacts in the hydroxyl and protein fibre in the molecule and timber of reactive dye
Group generates covalent bond with fiber when dyeing, generates " dye-fibre "；Lumber fibre is formed in timber constitutes reticular structure
Simultaneously ceramics wood is made in polyurethane；The chemical reaction of generation mainly has：
Above percentage is weight percentage.
Embodiment 2.
The manufacturing method of modified ceramic wood includes the following steps：
(1) performed polymer is prepared, the polyester polyol of 40% polyisocyanates and 20% is reacted.
(2) 5% sealer is added in performed polymer, forms enclosed type performed polymer, reaction with blocking agent NCO group
Formula is：
(3) in enclosed type performed polymer be added 35% and reactive dye formed maceration extract.Reactive dye account for polyurethane original
The 10%-20% of material.
(3) by timber pickling in maceration extract, maceration extract entered wood by 12-24 hours under the pressure of 1-10MPa
In material.
(4) timber by dipping is taken out, is then placed in heating kettle, heating 10- is carried out to the timber by dipping
20 hours, heating temperature be 100-180 DEG C, heating use segmentally heating, wherein 100-120 DEG C heating 4-8 hours, 120-150
DEG C heating 4-8 hours, 150-180 DEG C heating 2-4 hours, during heating, closed NCO group is unsealed, and is occurred simultaneously
Chemical reaction, wherein the active group that amino reacts in the hydroxyl and protein fibre in the molecule and timber of reactive dye
Group generates covalent bond with fiber when dyeing, generates " dye-fibre "；Lumber fibre is formed in timber constitutes reticular structure
Simultaneously ceramics wood is made in polyurethane；The chemical reaction of generation mainly has：
Above percentage is weight percentage.
In the present invention, based on the characteristic in timber with hydroxyl, phenolic hydroxyl group and a large amount of water, and in polyisocyanates
The activity of NCO group has unusual height, for this purpose, the present invention first closes NCO group, enclosed type performed polymer and water is allowed to press
Completely into after in the gap to timber in the time of power and control, NCO group is unsealed by heating, in the mistake of deblocking
Cheng Zhong, NCO group, which react with water, hydroxyl, phenolic hydroxyl group, is formed by curing polyurethane, in the curing process, polyurethane and timber
Fiber forms reticular structure, and in deblocking and solidification process, polyisocyanates fills timber gap primarily from isocyanates
Reacting between base and active hydrogen a large amount of in timber is formed by chemical bond, such as the hydroxyl in cellulose, hemicellulose rope, lignin
In phenolic hydroxyl group, further include a large amount of water contained in timber, they can react with isocyanates, this is isocyanic acid
Ester group and substrate active hydrogen reaction form chemical bonds；Secondly, the big polar group of isocyanate resin and the oxygen-containing, nitrogen of substrate etc.
Group, which forms asking for the product of Hydrogenbond, isocyanate group itself or isocyanate group and isocyanate group and timber, can produce itself friendship
Connection reaction.In this way, being not only filled up completely the gap in timber, but also the inside and outside of timber is allowed to be consistent, makes timber picture ceramic
The same anti-corrosion and waterproof, mothproof, dimensionally stable, long service life, performance is good, so that timber is not easy to deform, is mouldy, while resistance to
With.During heating, it unlocks partially enclosed dose come to enter in wood-fibred, partially enclosed dose high because of temperature of reason quilt
Moisture is taken away, and the purpose using segmentally heating is that small molecule and moisture is allowed all to volatilize, and achievees the purpose that environmental protection.In the present invention
In, by polyisocyanates and polyether polyol or polyester polyol before closing NCO group, in this way, enclosed type pre-polymerization can be improved
The penetrating power and mobility of body allow enclosed type performed polymer more, faster to enter in timber.In addition, in the present invention, leading to
Cross addition reactive dye, the active group that amino reacts in the hydroxyl and protein fibre in the molecule and timber of property dyestuff
Group generates covalent bond with fiber when dyeing, generates " dye-fibre ", and therefore, not only reactive dye can give timber to increase color,
And the timber of increase color is inside and outside the same, while reactive dye can be acted on timber, further improve the performance of timber.
Claims (8)
1. a kind of manufacturing method of modified ceramic wood, it is characterised in that include the following steps：
(1) performed polymer is prepared, polyisocyanates and polyether polyol or polyester polyol are reacted；
(2) sealer is added in performed polymer, forms enclosed type performed polymer with blocking agent NCO group, reaction equation is：
(3) water is added in enclosed type performed polymer and reactive dye form maceration extract；
(3) by timber pickling in maceration extract, maceration extract was entered in timber under the pressure of 1-10MPa by 12-24 hours；
(4) timber by dipping is taken out, is then placed in heating kettle, it is small to carry out heating 10-20 to the timber by dipping
When, heating temperature be 100-180 DEG C, heating use segmentally heating, wherein 100-120 DEG C heating 4-8 hours, 120-150 DEG C add
It is 4-8 hours hot, 150-180 DEG C heating 2-4 hours, during heating, closed NCO group is unsealed, while chemistry occurs
Reaction, wherein the active group that amino reacts in the hydroxyl and protein fibre in the molecule and timber of reactive dye, dye
Covalent bond is generated with fiber when color, is generated " dye-fibre "；Compound forms lumber fibre in timber and constitutes reticular structure
Simultaneously ceramics wood is made in polyurethane；The chemical reaction of generation mainly has：
2. the manufacturing method of modified ceramic wood according to claim 1, it is characterised in that：Polyisocyanates be TDI, MDI,
One of HDI, IPDI are several.
3. the manufacturing method of modified ceramic wood according to claim 1, it is characterised in that：Sealer is imidazoles, salicylic acid
One of methyl esters, methyl p-hydroxybenzoate.
4. the manufacturing method of modified ceramic wood according to claim 1, it is characterised in that：It include by polyisocyanate cyanogen in ceramic wood
Acid esters reacts the part to be formed with hydroxyl in ceramic wood and phenolic hydroxyl group.
5. a kind of modified ceramic wood that the manufacturing method using claim 1 manufactures, including timber, it is characterised in that：In timber
Gap in filled with lumber fibre formed reticular structure polyurethane and lumber fibre hydroxyl and protein fibre and work
Property dye molecule reaction generate dye-fibre, the polyurethane is high score made of being reacted as enclosed type performed polymer with water
Sub- polymer, enclosed type performed polymer is reacted by polyisocyanates and polyether polyol or polyester polyol forms performed polymer then use
Blocking agent NCO group.
6. modified ceramic wood according to claim 5, it is characterised in that：The temperature for forming enclosed type performed polymer is 60-100
DEG C, the content of NCO group accounts for the 5-20% of enclosed type performed polymer in enclosed type performed polymer, and enclosed type performed polymer molecular weight is
80% solvent of 1000-5000, enclosed type performed polymer solid content >：Water, the above percentage are weight percentage.
7. modified ceramic wood according to claim 5, it is characterised in that：Polyisocyanates is in TDI, MDI, HDI, IPDI
One or several kinds.
8. modified ceramic wood according to claim 5, it is characterised in that：Sealer is imidazoles, gaultherolin, to hydroxyl
One of methyl benzoate.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5839404A (en) * | 1981-09-02 | 1983-03-08 | 大塚家具工業株式会社 | Method of stabilizing size of woody material |
| CN1944009A (en) * | 2006-10-16 | 2007-04-11 | 东北林业大学 | Method for modifying wood using foamed isocyanate resin |
| CN102417598A (en) * | 2011-11-16 | 2012-04-18 | 东北林业大学 | Preparation method of enclosed aliphatic isocyanate aqueous dispersion |
| CN102756408A (en) * | 2011-04-26 | 2012-10-31 | 永港伟方（北京）科技股份有限公司 | Wood grade-improving modification method |
-
2018
- 2018-04-24 CN CN201810375459.8A patent/CN108858573A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5839404A (en) * | 1981-09-02 | 1983-03-08 | 大塚家具工業株式会社 | Method of stabilizing size of woody material |
| CN1944009A (en) * | 2006-10-16 | 2007-04-11 | 东北林业大学 | Method for modifying wood using foamed isocyanate resin |
| CN102756408A (en) * | 2011-04-26 | 2012-10-31 | 永港伟方（北京）科技股份有限公司 | Wood grade-improving modification method |
| CN102417598A (en) * | 2011-11-16 | 2012-04-18 | 东北林业大学 | Preparation method of enclosed aliphatic isocyanate aqueous dispersion |
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