CN106217536B - A kind of cross-linking type Wood modifier - Google Patents
A kind of cross-linking type Wood modifier Download PDFInfo
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- CN106217536B CN106217536B CN201610634315.0A CN201610634315A CN106217536B CN 106217536 B CN106217536 B CN 106217536B CN 201610634315 A CN201610634315 A CN 201610634315A CN 106217536 B CN106217536 B CN 106217536B
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- 239000002023 wood Substances 0.000 title claims abstract description 21
- 238000004132 cross linking Methods 0.000 title claims abstract description 14
- 239000003607 modifier Substances 0.000 title claims abstract description 14
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000003054 catalyst Substances 0.000 claims abstract description 13
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000004202 carbamide Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 239000003960 organic solvent Substances 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims abstract description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 238000010792 warming Methods 0.000 claims description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- ILMRJRBKQSSXGY-UHFFFAOYSA-N tert-butyl(dimethyl)silicon Chemical compound C[Si](C)C(C)(C)C ILMRJRBKQSSXGY-UHFFFAOYSA-N 0.000 claims description 3
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 claims description 2
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 claims 1
- 150000002576 ketones Chemical class 0.000 claims 1
- 210000002700 urine Anatomy 0.000 claims 1
- 238000005470 impregnation Methods 0.000 abstract description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 7
- 238000001035 drying Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 206010013786 Dry skin Diseases 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- AAPLIUHOKVUFCC-UHFFFAOYSA-N trimethylsilanol Chemical compound C[Si](C)(C)O AAPLIUHOKVUFCC-UHFFFAOYSA-N 0.000 description 3
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 2
- -1 alkyl silicon Chemical compound 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 235000010290 biphenyl Nutrition 0.000 description 2
- 125000006267 biphenyl group Chemical group 0.000 description 2
- XJRAOMZCVTUHFI-UHFFFAOYSA-N isocyanic acid;methane Chemical compound C.N=C=O.N=C=O XJRAOMZCVTUHFI-UHFFFAOYSA-N 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229920002396 Polyurea Polymers 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 125000005982 diphenylmethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—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
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
-
- 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
- B27K2240/00—Purpose of the treatment
- B27K2240/70—Hydrophobation treatment
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a kind of cross-linking type Wood modifier, it is made up of the component of following parts by weight：1500~2000 parts of 100 parts of formaldehyde, 5~15 parts of urea, 30~50 parts of methyl diphenylene diisocyanate, 5~10 parts of alkylsilanol, 5~10 parts of base catalyst, 100~200 parts of organic solvent and water；The modifying agent synthesizes as follows：1）Methyl diphenylene diisocyanate and organic solvent are added in a kettle, after stirring, are added alkylsilanol, after reaction, are added part formaldehyde temperature reaction；2）Add urea and base catalyst 3）Remaining formalin and remaining base catalyst are added in reactor；4）Divide level to three equal parts, add in three times；Vacuum pressed impregnation is carried out to artificial forest wood using the modifying agent, the dimensional stability, hardness and water-resistance of timber can be made to be largely increased.
Description
Technical field
Present invention relates particularly to a kind of cross-linking type Wood modifier.
Background technology
Timber is unique reproducible building resource in four generally acknowledged big building materials of today's society, and it is each that it occurs nearly in each row
In industry.Tree is dwelt from the ape man of ancient times and is ceased to drilling wood to make fire, then is never taken out wood to modern household operation, the mankind
Material, it may be said that the development of the mankind is also accompanied by timber progress.
With the development of human civilization, either paper-making industry, upholstery, packing business, automobile industry etc. various industries all
It is unable to do without the figure of woodwork.The consumption of timber is increasing, and China also becomes a wood by a forest reserves big country
Material import big country, and domestic timber demand breach increasingly increases.In order to alleviate this imbalance between supply and demand, it is rich that country proposes fast-growing
The plan that woods is built is produced, but as the increase of fast-growing, high-yield woods area, domestic timber breach should reduce, but pass through investigation
It was found that effect does not have so gathers effect as anticipation, trace it to its cause be primarily due to fast-growing woods material it is undesirable, easily become
Shape, density are low, and hardness is not high, only can be used in some and require relatively low industry to material.So only fast growing wood is entered
Row optimization, improves its performance, could so alleviate current supply and demand problem.
The content of the invention
The present invention provides a kind of cross-linking type Wood modifier.
In order to solve the above problems, the technical solution adopted in the present invention is a kind of such, cross-linking type Wood modifier,
It is made up of the component of following parts by weight：100 parts of formaldehyde, 5~15 parts of urea, 30~50 parts of methyl diphenylene diisocyanate, alkane
1500~2000 parts of 5~10 parts of base silanol, 5~10 parts of base catalyst, 100~200 parts of organic solvent and water；
The modifying agent synthesizes as follows：
1) methyl diphenylene diisocyanate and organic solvent are added in a kettle, after stirring, add alkyl silicon
Alcohol, react 0.5~2 hour at room temperature, add 1/3~1/2 formaldehyde and be warming up to 60 DEG C, insulation reaction 1~4 hour；
2) urea is added in reactor, starts stirring, be slowly added to 1/3~1/2 base catalyst, kettle temperature control is existed
45~60 DEG C, react 1~4 hour；
3) remaining formalin and remaining base catalyst are added in reactor, kettle temperature is risen to 85 DEG C~90
DEG C, it is incubated 1-2h；
4) divide level to three equal parts, add in three times；Controlling temperature in the kettle, stream adds first part of water, instead at 70~80 DEG C
100~120 DEG C are warming up to after answering 0.5~2 hour to react 0.5~2 hour；70~80 DEG C are cooled to, stream adds second part of water, instead
After answering 0.5~2 hour, near 40~50 DEG C, the 3rd part of water is added, is mixed uniformly, discharging.
Described alkylsilanol is trimethyl silanol, t-butyldimethyl silane alcohol or decyl alcohol.
One or more of the described base catalyst in sodium hydroxide, potassium hydroxide, ethylenediamine.
Described organic solvent is acetone, butanone or toluene.
The present invention is modified with alkylsilanol to MDI molecular structures first, forms prepolymer, it is right on the one hand to change its
The molecular structure of title, its NCO functional group activity is reduced, makes to produce activity difference between each molecule in system, so as to follow-up and water
Reaction produce the different speed of speed, avoid the generation of " polyureas " bits, on the other hand, organosilicon has generator terminal can be in capillary
It is evenly distributed in pipe, one layer of hydrophobic membrane is formed, suppresses suction-operated of the capillary to water, improves the water-resistance of timber.
Vacuum pressed impregnation is carried out to artificial forest wood using the modifying agent, the dimensional stability, hard of timber can be made
Degree and water-resistance are largely increased, and modified timber can be widely used for the production such as floor, door and window, furniture, outdoor platform deck
The processing of product, the application value of artificial forest wood greatly improved, wildwood resource is replaced with artificial forest to realizing, alleviates China
Timber supply and demand contradiction, it is significant to realize that forest resource sustainable development utilizes.
Embodiment
Embodiment 1
A kind of cross-linking type Wood modifier, is made up of the component of following parts by weight：100 parts of formaldehyde, 5 parts of urea, diphenyl
1500 parts of 50 parts of methane diisocyanate, 10 parts of trimethyl silanol, 5 parts of sodium hydroxide, 100 parts of acetone and water；
The modifying agent synthesizes as follows：
1) methyl diphenylene diisocyanate and acetone are added in a kettle, after stirring, add trimethyl silanol,
React 0.5 hour at room temperature, add 1/3 formaldehyde and be warming up to 60 DEG C, insulation reaction 1 hour；
2) urea is added in reactor, starts stirring, be slowly added to 1/3 sodium hydroxide, kettle temperature is controlled 45~60
DEG C, react 2 hours；
3) remaining formalin and remaining sodium hydroxide are added in reactor, kettle temperature are risen to 85 DEG C~90 DEG C,
It is incubated 1-2h；
4) divide level to three equal parts, add in three times；Controlling temperature in the kettle, stream adds first part of water, instead at 70~80 DEG C
100~120 DEG C are warming up to after answering 0.5 hour, is reacted 0.5 hour；70~80 DEG C are cooled to, stream adds second part of water, reaction 0.5
After hour, near 40~50 DEG C, the 3rd part of water is added, is mixed uniformly, discharging.
Embodiment 2
A kind of cross-linking type Wood modifier, is made up of the component of following parts by weight：100 parts of formaldehyde, 15 parts of urea, diphenyl
2000 parts of 30 parts of methane diisocyanate, 5 parts of t-butyldimethyl silane alcohol, 10 parts of potassium hydroxide, 200 parts of butanone and water；
The modifying agent synthesizes as follows：
1) methyl diphenylene diisocyanate and butanone are added in a kettle, after stirring, add tert-butyl group diformazan
Base silane alcohol, react 2 hours at room temperature, add 1/2 formaldehyde and be warming up to 60 DEG C, insulation reaction 4 hours；
2) urea is added in reactor, starts stirring, be slowly added to 1/2 potassium hydroxide, kettle temperature is controlled 45~60
DEG C, react 4 hours；
3) remaining formalin and remaining potassium hydroxide are added in reactor, kettle temperature are risen to 85 DEG C~90 DEG C,
It is incubated 2h；
4) divide level to three equal parts, add in three times；Controlling temperature in the kettle, stream adds first part of water, instead at 70~80 DEG C
100~120 DEG C are warming up to after answering 2 hours to react 2 hours；70~80 DEG C are cooled to, stream adds second part of water, after reacting 2 hours,
Near 40~50 DEG C, the 3rd part of water is added, is mixed uniformly, discharging.
Embodiment 3
A kind of cross-linking type Wood modifier, the component containing following parts by weight：100 parts of formaldehyde, 10 parts of urea, diphenylmethyl
40 parts of alkane diisocyanate, 8 parts of decyl alcohol, 5~10 parts of ethylenediamine, 150 parts of toluene, 1800 parts of water；
The modifying agent synthesizes as follows：
1) methyl diphenylene diisocyanate and organic solvent are added in a kettle, after stirring, add alkyl silicon
Alcohol, react 0.5~2 hour at room temperature, add 1/3~1/2 formaldehyde and be warming up to 60 DEG C, insulation reaction 1~4 hour；
2) urea is added in reactor, starts stirring, be slowly added to 1/3~1/2 base catalyst, kettle temperature control is existed
45~60 DEG C, react 1~4 hour；
3) remaining formalin and remaining base catalyst are added in reactor, kettle temperature is risen to 85 DEG C~90
DEG C, it is incubated 1~2h；
4) divide level to three equal parts, add in three times；Controlling temperature in the kettle, stream adds first part of water, instead at 70~80 DEG C
100~120 DEG C are warming up to after answering 0.5~2 hour to react 0.5~2 hour；70~80 DEG C are cooled to, stream adds second part of water, instead
After answering 0.5~2 hour, near 40~50 DEG C, the 3rd part of water is added, is mixed uniformly, discharging.
Dimensional stability, hardness and the water-resistance detection of the cross-linking type Wood modifier obtained to embodiment 1-3 try
Test, as a result as shown in table 1.
Method of modifying：First under vacuum -0.095MPa pressurize 20min, after under the conditions of 0.6MPa, pressurize 1.5 hours,
45 DEG C of dryings to moisture content is less than 50%, and 55 DEG C of dryings to moisture content are less than 30%, and 65 DEG C of dryings to moisture content are less than 20%, 80
DEG C dry to moisture content and to be less than 15%, less than 8%, dried timber carries out heat on hot press for 120 DEG C of drying to moisture content
Solid pressure contracting is handled, pressure 9-11MPa, and temperature is 185-200 DEG C.
Table 1
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made, it all should fall into the protection domain of claims of the present invention determination.
Claims (4)
1. a kind of cross-linking type Wood modifier, it is characterised in that be made up of the component of following parts by weight：100 parts of formaldehyde, urine
5~15 parts of element, 30~50 parts of methyl diphenylene diisocyanate, 5~10 parts of alkylsilanol, base catalyst 5~
10 parts, 1500~2000 parts of 100~200 parts of organic solvent and water；
The modifying agent synthesizes as follows：
1）Methyl diphenylene diisocyanate and organic solvent are added in a kettle, after stirring, add alkylsilanol, room
The lower reaction of temperature 0.5~2 hour, adds 1/3~1/2 formaldehyde and is warming up to 60 DEG C, insulation reaction 1~4 hour；
2）Urea is added in reactor, stirring is started, is slowly added to 1/3~1/2 base catalyst, kettle temperature is controlled 45~
60 DEG C, react 1~4 hour；
3）Remaining formalin and remaining base catalyst are added in reactor, kettle temperature is risen to 85 DEG C~90 DEG C, protected
Warm 1-2h；
4）Divide level to three equal parts, add in three times；Temperature in the kettle is controlled at 70~80 DEG C, stream adds first part of water, reaction 0.5
100~120 DEG C are warming up to after~2 hours to react 0.5~2 hour；70~80 DEG C are cooled to, stream adds second part of water, reaction
After 0.5~2 hour, near 40~50 DEG C, the 3rd part of water is added, is mixed uniformly, discharging.
2. a kind of cross-linking type Wood modifier according to claim 1, it is characterised in that described alkylsilanol is front three
Base silanol, t-butyldimethyl silane alcohol or decyl alcohol.
3. a kind of cross-linking type Wood modifier according to claim 1, it is characterised in that described base catalyst is selected from
One or more in sodium hydroxide, potassium hydroxide, diethylamine.
4. a kind of cross-linking type Wood modifier according to claim 1, it is characterised in that described organic solvent is third
Ketone, butanone or toluene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634315.0A CN106217536B (en) | 2016-08-04 | 2016-08-04 | A kind of cross-linking type Wood modifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634315.0A CN106217536B (en) | 2016-08-04 | 2016-08-04 | A kind of cross-linking type Wood modifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106217536A CN106217536A (en) | 2016-12-14 |
| CN106217536B true CN106217536B (en) | 2018-01-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610634315.0A Expired - Fee Related CN106217536B (en) | 2016-08-04 | 2016-08-04 | A kind of cross-linking type Wood modifier |
Country Status (1)
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| CN (1) | CN106217536B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019138364A1 (en) * | 2018-01-12 | 2019-07-18 | Heartwood Sustainable Industries (Pty) Ltd | Treatment of wood with aldehyde and isocyanate |
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| EP1372920A2 (en) * | 2001-02-13 | 2004-01-02 | Houston Advanced Research Center | Resin-impregnated substrate, method of manufacture and system therefor |
| WO2007147955A1 (en) * | 2006-06-21 | 2007-12-27 | Michel Faivre | Method for sealing a wood joinery element, and element thus obtained |
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| CN106217536A (en) | 2016-12-14 |
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