CN107627418A - A kind of raising woodwork is water-fast and the processing method of light aging - Google Patents
A kind of raising woodwork is water-fast and the processing method of light aging Download PDFInfo
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- 238000003672 processing method Methods 0.000 title claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims description 53
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 29
- 238000007598 dipping method Methods 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 20
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 235000019441 ethanol Nutrition 0.000 claims description 13
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 10
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 10
- 239000001630 malic acid Substances 0.000 claims description 10
- 235000011090 malic acid Nutrition 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 10
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 239000001384 succinic acid Substances 0.000 claims description 8
- 229920002125 Sokalan® Polymers 0.000 claims description 5
- 235000021355 Stearic acid Nutrition 0.000 claims description 5
- 229960000583 acetic acid Drugs 0.000 claims description 5
- MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 claims description 5
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000008139 complexing agent Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 230000000994 depressogenic effect Effects 0.000 claims description 5
- 125000005909 ethyl alcohol group Chemical group 0.000 claims description 5
- 239000012362 glacial acetic acid Substances 0.000 claims description 5
- RSKGMYDENCAJEN-UHFFFAOYSA-N hexadecyl(trimethoxy)silane Chemical compound CCCCCCCCCCCCCCCC[Si](OC)(OC)OC RSKGMYDENCAJEN-UHFFFAOYSA-N 0.000 claims description 5
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 5
- 229940078494 nickel acetate Drugs 0.000 claims description 5
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 5
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 5
- 239000004584 polyacrylic acid Substances 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000008117 stearic acid Substances 0.000 claims description 5
- 239000010409 thin film Substances 0.000 claims description 5
- 238000001291 vacuum drying Methods 0.000 claims description 5
- 239000003643 water by type Substances 0.000 claims description 5
- OCLXJTCGWSSVOE-UHFFFAOYSA-N ethanol etoh Chemical compound CCO.CCO OCLXJTCGWSSVOE-UHFFFAOYSA-N 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 239000002023 wood Substances 0.000 abstract description 13
- 230000002209 hydrophobic effect Effects 0.000 abstract description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 4
- 229910052759 nickel Inorganic materials 0.000 abstract description 3
- 230000006750 UV protection Effects 0.000 abstract description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 abstract description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 2
- 239000002086 nanomaterial Substances 0.000 abstract description 2
- 238000010129 solution processing Methods 0.000 abstract description 2
- 230000010148 water-pollination Effects 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 7
- GMMZXKSNKIUKOW-UHFFFAOYSA-N [O-2].[O-2].[Ti+4].C(C)O Chemical compound [O-2].[O-2].[Ti+4].C(C)O GMMZXKSNKIUKOW-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
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- OXIKLRTYAYRAOE-CMDGGOBGSA-N (e)-3-(1-benzyl-3-pyridin-3-ylpyrazol-4-yl)prop-2-enoic acid Chemical group N1=C(C=2C=NC=CC=2)C(/C=C/C(=O)O)=CN1CC1=CC=CC=C1 OXIKLRTYAYRAOE-CMDGGOBGSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
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- 241000233866 Fungi Species 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The present invention relates to woodwork processing and fabricating technical field, disclosing a kind of raising, woodwork is water-fast and the processing method of light aging, after the metallic nickel organic solution processing of preparation, nickel metal can be penetrated into inside wood cell, improve the mechanical property of woodwork, water-repelling agent and the hydroxyl on nano titanic oxide sol surface are chemically reacted, its alkane long-chain successfully grafts in wood surface, so as to assign timber good hydrophobic performance, for the two level convex-concave structure of wood surface, hydrophobic substance is recycled to modify convex-concave structure, wood surface is set to be changed into hydrophobicity from hydrophily, the excellent ultraviolet absorption ability of inorganic nano material is utilized simultaneously, improve the light aging resisting property of timber, possesses hydrophobic and ultraviolet protection performance feature woodwork to obtain.
Description
Technical field
The invention belongs to woodwork processing and fabricating technical field, and in particular to a kind of raising woodwork is water-fast and light aging
Processing method.
Background technology
Timber is a kind of natural resources, and having can the characteristic such as natural degradation, renewable and environment compatibility be good.With society
Continuous development, the raising of living standards of the people and environmental consciousness, people again invest sight natural, non-hazardous timber production
Product.Timber is as a kind of natural, environmentally friendly, renewable and beautiful texture biological material, with its excellent environmentology characteristic
It is loved by people, is widely used in fields such as building, furniture, decorations.A kind of organic material as spontaneous growth
Material, under the influence of external condition such as solar radiation, rain leaching, rot fungi ambient environmental factors, wood quality is easily sent out
Raw deterioration-wood surface becomes coarse, dim, and lumber quality is reduced, and face checking, is ultimately resulted in and is scrapped.People are from the beginning
During by the use of timber as life production material, begin to handle timber using the material of nature, avoid timber from deteriorating.History
On, pitch, coal tar, natural oil such as olive oil are all used for the preservation of timber.With 19th-century, the hair at full speed of chemical industry
Exhibition, carry out wood protection using chemical reagent and applied.At that time, for wood protection processing protective agent mostly containing copper,
Chromium etc. is to human body poisonous and harmful substances.Over time, nontoxic, environmentally friendly wood protection method becomes woodwork work
One of important goal of industry application.
The content of the invention
The purpose of the present invention is to be directed to the problem of existing, there is provided a kind of raising woodwork is water-fast and the processing side of light aging
Method, water-fast and light aging resisting treatment effect is taken into account, there is remarkable mechanical performance, hot property and optical effect, certainly also
There is hypotoxicity.
The present invention is achieved by the following technical solutions：
A kind of raising woodwork is water-fast and the processing method of light aging, its process comprise the following steps：
（1）Configuration quality concentration is 0.2-0.3% nickel acetate solution, adds malic acid and fourth that mass fraction is 1.0-1.5%
The mixed liquor of diacid is as complexing agent, and stirring is complete to dissolving, and it is 10.0-10.5 to adjust solution ph with NaOH, obtains metal
Organic solution, the TiO 2 sol being prepared is taken, the titanium dioxide that mass concentration is 1.5-2.0% is diluted to using ethanol
Ethanol solution, it is added in organic metal solution, adding proportion 1:20-25, woodwork is put into the mixed solution and impregnated
8-10 hours；
（2）Then woodwork and mixed solution are transferred in the hydrothermal reaction kettle for being lined with polytetrafluoroethylene (PTFE), at 70-80 DEG C
Heat 6-8 hours, woodwork is taken out after natural cooling, clean surface, the wooden product of carrying inorganic nano thin-film are impregnated in thin
In aqua, below water-repelling agent liquid level is depressed into weight on woodwork, ensures to fully absorb in woodwork dipping process
Water-repelling agent, a length of 1-2 hours during dipping, dipping temperature are 45-55 DEG C；
（3）Woodwork and water-repelling agent are put into vacuum pressure tank by dipping together after terminating, and are opened vavuum pump and are evacuated to
0.08-0.10MPa, maintain to recover normal pressure after vacuum state 1.0-1.5 hours in tank, compression pump pressurization is then turned on after 2-3 hours
To 1.O-1.5MPa, stop pressurizeing and keep the pressure state, toilet-cleaning jar compressed air after 5-6 hours, then be evacuated to
O.O5-0.08MPa, and 20-30 minutes are maintained, pressure is finally removed, is put into vacuum drying chamber and dries.
Further described as to such scheme, step（1）The mixed proportion of middle malic acid and succinic acid is 5-6:1.
Further described as to such scheme, step（1）Described in the preparation method of TiO 2 sol be：
（1）At 20-25 DEG C, the butyl titanate of 10-12 milliliters is added slowly with stirring to the absolute ethyl alcohol of 20-25 milliliters
In, stirring 10-15 minutes obtain solution A, take 2-3 ml deionized waters, 5-8 milliliters glacial acetic acid and 20-25 milliliter absolute ethyl alcohols
It is well mixed to obtain B solution；
（2）Solution A is slowly added dropwise in B solution, and is stirred continuously, stirring reaction 12-15 hours, obtain at 30-35 DEG C
To clear pale yellow color colloidal sol, aging 2-3 days are stood, take ethanol solution to be diluted to required mass concentration during use.
Further described as to such scheme, step（2）Described in water-repelling agent in parts by weight by below into
Divide and be made：Hexadecyl trimethoxy silane 15-20 parts, polyacrylic acid 20-25 parts, stearic acid 25-30 parts, acetone 50-60 parts.
The present invention has advantages below compared with prior art：It is existing for woodwork is water-fast, light fastness aging in order to solve
Insufficient problem existing for the processing mode of difference, the invention provides a kind of raising, woodwork is water-fast and the processing method of light aging,
After the metallic nickel organic solution processing of preparation, nickel metal can be penetrated into inside wood cell, improve the mechanics of woodwork
Performance, water-repelling agent and the hydroxyl on nano titanic oxide sol surface are chemically reacted, and its alkane long-chain successfully grafts in wood
Material surface, so as to assign timber good hydrophobic performance, the two level convex-concave structure of wood surface, hydrophobic substance is recycled to convex-concave
Structure is modified, and wood surface is changed into hydrophobicity from hydrophily, while inhaled using the excellent ultraviolet of inorganic nano material
Receipts ability, the light aging resisting property of timber is improved, possess hydrophobic and ultraviolet protection performance feature woodwork to obtain.
Embodiment
With reference to specific embodiment, the present invention will be further described.
Embodiment 1
A kind of raising woodwork is water-fast and the processing method of light aging, its process comprise the following steps：
（1）Configuration quality concentration is 0.2% nickel acetate solution, adds the mixed of malic acid that mass fraction is 1.0% and succinic acid
Liquid is closed as complexing agent, stirring is complete to dissolving, and is 10.0 with NaOH regulation solution ph, obtains organic metal solution, take system
Standby obtained TiO 2 sol, the titanium dioxide ethanol solution that mass concentration is 1.5% is diluted to using ethanol, is added to gold
Belong in organic solution, adding proportion 1:20, woodwork is put into the mixed solution and impregnated 8 hours；
（2）Then woodwork and mixed solution are transferred in the hydrothermal reaction kettle for being lined with polytetrafluoroethylene (PTFE), added at 70 DEG C
Heat 6 hours, woodwork is taken out after natural cooling, clean surface, the wooden product of carrying inorganic nano thin-film are impregnated in water-repelling agent
In, below water-repelling agent liquid level is depressed into weight on woodwork, is fully absorbed in guarantee woodwork dipping process hydrophobic
Agent, a length of 1 hour during dipping, dipping temperature is 45 DEG C；
（3）Woodwork and water-repelling agent are put into vacuum pressure tank by dipping together after terminating, and are opened vavuum pump and are evacuated to
0.08MPa, vacuum state in tank is maintained to recover normal pressure after 1.0 hours, being then turned on compression pump after 2 hours is forced into 1.OMPa, stops
Only pressurize and keep the pressure state, toilet-cleaning jar compressed air after 5 hours, then O.O5MPa is evacuated to, and maintain 20 points
Clock, pressure is finally removed, be put into vacuum drying chamber and dry.
Further described as to such scheme, step（1）The mixed proportion of middle malic acid and succinic acid is 5:1.
Further described as to such scheme, step（1）Described in the preparation method of TiO 2 sol be：
（1）At 20 DEG C, 10 milliliters of butyl titanate is added slowly with stirring into 20 milliliters of absolute ethyl alcohol, stirs 10 points
Clock obtains solution A, takes 2 ml deionized waters, 5 milliliters of glacial acetic acid and 20 milliliters of absolute ethyl alcohols to be well mixed and obtain B solution；
（2）Solution A is slowly added dropwise in B solution, and is stirred continuously, stirring reaction 12 hours at 30 DEG C, is obtained transparent
Faint yellow colloidal sol, stands aging 2 days, takes ethanol solution to be diluted to required mass concentration during use.
Further described as to such scheme, step（2）Described in water-repelling agent in parts by weight by below into
Divide and be made：15 parts of hexadecyl trimethoxy silane, 20 parts of polyacrylic acid, 25 parts of stearic acid, 50 parts of acetone.
Embodiment 2
A kind of raising woodwork is water-fast and the processing method of light aging, its process comprise the following steps：
（1）Configuration quality concentration is 0.25% nickel acetate solution, adds the mixed of malic acid that mass fraction is 1.2% and succinic acid
Liquid is closed as complexing agent, stirring is complete to dissolving, and is 10.2 with NaOH regulation solution ph, obtains organic metal solution, take system
Standby obtained TiO 2 sol, the titanium dioxide ethanol solution that mass concentration is 1.8% is diluted to using ethanol, is added to gold
Belong in organic solution, adding proportion 1:22, woodwork is put into the mixed solution and impregnated 9 hours；
（2）Then woodwork and mixed solution are transferred in the hydrothermal reaction kettle for being lined with polytetrafluoroethylene (PTFE), added at 75 DEG C
Heat 7 hours, woodwork is taken out after natural cooling, clean surface, the wooden product of carrying inorganic nano thin-film are impregnated in water-repelling agent
In, below water-repelling agent liquid level is depressed into weight on woodwork, is fully absorbed in guarantee woodwork dipping process hydrophobic
Agent, a length of 1.5 hours during dipping, dipping temperature is 50 DEG C；
（3）Woodwork and water-repelling agent are put into vacuum pressure tank by dipping together after terminating, and are opened vavuum pump and are evacuated to
0.09MPa, vacuum state in tank is maintained to recover normal pressure after 1.2 hours, being then turned on compression pump after 2.5 hours is forced into 1.3MPa,
Stop pressurizeing and keep the pressure state, toilet-cleaning jar compressed air after 5.5 hours, then O.O6MPa is evacuated to, and maintain 25
Minute, pressure is finally removed, is put into vacuum drying chamber and dries.
Further described as to such scheme, step（1）The mixed proportion of middle malic acid and succinic acid is 5.5:1.
Further described as to such scheme, step（1）Described in the preparation method of TiO 2 sol be：
（1）At 23 DEG C, 11 milliliters of butyl titanate is added slowly with stirring into 22 milliliters of absolute ethyl alcohol, stirs 12 points
Clock obtains solution A, takes 2.5 ml deionized waters, 6 milliliters of glacial acetic acid and 22 milliliters of absolute ethyl alcohols to be well mixed and obtain B solution；
（2）Solution A is slowly added dropwise in B solution, and is stirred continuously, stirring reaction 13 hours at 32 DEG C, is obtained transparent
Faint yellow colloidal sol, stands aging 2.5 days, takes ethanol solution to be diluted to required mass concentration during use.
Further described as to such scheme, step（2）Described in water-repelling agent in parts by weight by below into
Divide and be made：17 parts of hexadecyl trimethoxy silane, 22 parts of polyacrylic acid, 28 parts of stearic acid, 55 parts of acetone.
Embodiment 3
A kind of raising woodwork is water-fast and the processing method of light aging, its process comprise the following steps：
（1）Configuration quality concentration is 0.3% nickel acetate solution, adds the mixed of malic acid that mass fraction is 1.5% and succinic acid
Liquid is closed as complexing agent, stirring is complete to dissolving, and is 10.5 with NaOH regulation solution ph, obtains organic metal solution, take system
Standby obtained TiO 2 sol, the titanium dioxide ethanol solution that mass concentration is 2.0% is diluted to using ethanol, is added to gold
Belong in organic solution, adding proportion 1:25, woodwork is put into the mixed solution and impregnated 10 hours；
（2）Then woodwork and mixed solution are transferred in the hydrothermal reaction kettle for being lined with polytetrafluoroethylene (PTFE), added at 80 DEG C
Heat 8 hours, woodwork is taken out after natural cooling, clean surface, the wooden product of carrying inorganic nano thin-film are impregnated in water-repelling agent
In, below water-repelling agent liquid level is depressed into weight on woodwork, is fully absorbed in guarantee woodwork dipping process hydrophobic
Agent, a length of 2 hours during dipping, dipping temperature is 55 DEG C；
（3）Woodwork and water-repelling agent are put into vacuum pressure tank by dipping together after terminating, and are opened vavuum pump and are evacuated to
0.10MPa, vacuum state in tank is maintained to recover normal pressure after 1.5 hours, being then turned on compression pump after 3 hours is forced into 1.5MPa, stops
Only pressurize and keep the pressure state, toilet-cleaning jar compressed air after 6 hours, then 0.08MPa is evacuated to, and maintain 30 points
Clock, pressure is finally removed, be put into vacuum drying chamber and dry.
Further described as to such scheme, step（1）The mixed proportion of middle malic acid and succinic acid is 6:1.
Further described as to such scheme, step（1）Described in the preparation method of TiO 2 sol be：
（1）At 25 DEG C, 12 milliliters of butyl titanate is added slowly with stirring into 25 milliliters of absolute ethyl alcohol, stirs 15 points
Clock obtains solution A, takes 3 ml deionized waters, 8 milliliters of glacial acetic acid and 25 milliliters of absolute ethyl alcohols to be well mixed and obtain B solution；
（2）Solution A is slowly added dropwise in B solution, and is stirred continuously, stirring reaction 15 hours at 35 DEG C, is obtained transparent
Faint yellow colloidal sol, stands aging 3 days, takes ethanol solution to be diluted to required mass concentration during use.
Further described as to such scheme, step（2）Described in water-repelling agent in parts by weight by below into
Divide and be made：20 parts of hexadecyl trimethoxy silane, 25 parts of polyacrylic acid, 30 parts of stearic acid, 60 parts of acetone.
Comparative example 1
With differing only in for embodiment 1, step（1）The middle addition for omitting nickel organic metal solution, remaining holding are constant.
Comparative example 2
With differing only in for embodiment 2, step（1）The middle addition for omitting titanium dioxide ethanol solution, remaining holding are constant.
Comparative example 3
With differing only in for embodiment 3, step is used after omitting water-repelling agent dipping（3）The step of middle application of vacuum, remaining guarantor
Hold constant.
Contrast test
Respectively using embodiment 1-3 and comparative example 1-3 method processing woodwork, and with existing raising timber hydrophobicity and resistance to
As a control group, the woodwork of processing is with a collection of to the method for aging, and timber is identical, and irrelevant variable is consistent, carries out water-fast, resistance to
Light aging is tested, and the performance of measure record woodwork, result is recorded as shown in the table：
| Project | Dimensional stability（%） | Bending strength（MPa） | Thickness swelling rate（%） | Aberration after light aging processing（%） |
| Embodiment 1 | 82 | 83 | 0.25 | 0.5 |
| Embodiment 2 | 83 | 84 | 0.20 | 0.4 |
| Embodiment 3 | 81 | 82 | 0.26 | 0.6 |
| Comparative example 1 | 67 | 71 | 1.39 | 3.6 |
| Comparative example 2 | 63 | 65 | 1.56 | 5.0 |
| Comparative example 3 | 70 | 74 | 1.28 | 3.4 |
| Control group | 60 | 63 | 2.35 | 8.5 |
As can be seen here, the present invention has taken into account water-fast and light aging resisting treatment effect, mechanical performance, hot property with brilliance,
And optical effect, also hypotoxicity certainly.
Claims (4)
1. a kind of raising woodwork is water-fast and the processing method of light aging, it is characterised in that its process comprises the following steps：
（1）Configuration quality concentration is 0.2-0.3% nickel acetate solution, adds malic acid and fourth that mass fraction is 1.0-1.5%
The mixed liquor of diacid is as complexing agent, and stirring is complete to dissolving, and it is 10.0-10.5 to adjust solution ph with NaOH, obtains metal
Organic solution, the TiO 2 sol being prepared is taken, the titanium dioxide that mass concentration is 1.5-2.0% is diluted to using ethanol
Ethanol solution, it is added in organic metal solution, adding proportion 1:20-25, woodwork is put into the mixed solution and impregnated
8-10 hours；
（2）Then woodwork and mixed solution are transferred in the hydrothermal reaction kettle for being lined with polytetrafluoroethylene (PTFE), at 70-80 DEG C
Heat 6-8 hours, woodwork is taken out after natural cooling, clean surface, the wooden product of carrying inorganic nano thin-film are impregnated in thin
In aqua, below water-repelling agent liquid level is depressed into weight on woodwork, ensures to fully absorb in woodwork dipping process
Water-repelling agent, a length of 1-2 hours during dipping, dipping temperature are 45-55 DEG C；
（3）Woodwork and water-repelling agent are put into vacuum pressure tank by dipping together after terminating, and are opened vavuum pump and are evacuated to
0.08-0.10MPa, maintain to recover normal pressure after vacuum state 1.0-1.5 hours in tank, compression pump pressurization is then turned on after 2-3 hours
To 1.O-1.5MPa, stop pressurizeing and keep the pressure state, toilet-cleaning jar compressed air after 5-6 hours, then be evacuated to
O.O5-0.08MPa, and 20-30 minutes are maintained, pressure is finally removed, is put into vacuum drying chamber and dries.
2. a kind of raising woodwork as claimed in claim 1 is water-fast and the processing method of light aging, it is characterised in that step（1）
The mixed proportion of middle malic acid and succinic acid is 5-6:1.
3. a kind of raising woodwork as claimed in claim 1 is water-fast and the processing method of light aging, it is characterised in that step（1）
Described in the preparation method of TiO 2 sol be：
（1）At 20-25 DEG C, the butyl titanate of 10-12 milliliters is added slowly with stirring to the absolute ethyl alcohol of 20-25 milliliters
In, stirring 10-15 minutes obtain solution A, take 2-3 ml deionized waters, 5-8 milliliters glacial acetic acid and 20-25 milliliter absolute ethyl alcohols
It is well mixed to obtain B solution；
（2）Solution A is slowly added dropwise in B solution, and is stirred continuously, stirring reaction 12-15 hours, obtain at 30-35 DEG C
To clear pale yellow color colloidal sol, aging 2-3 days are stood, take ethanol solution to be diluted to required mass concentration during use.
4. a kind of raising woodwork as claimed in claim 1 is water-fast and the processing method of light aging, it is characterised in that step（2）
Described in water-repelling agent be made up in parts by weight of following component：Hexadecyl trimethoxy silane 15-20 parts, polyacrylic acid
20-25 parts, stearic acid 25-30 parts, acetone 50-60 parts.
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| CN106863507A (en) * | 2016-12-30 | 2017-06-20 | 亚振家具股份有限公司 | A kind of method that timber hydrophobicity and stability are improved based on nano titanium oxide |
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| WO2005114078A3 (en) * | 2004-05-13 | 2007-04-26 | Osmose Inc | Compositions and methods for treating cellulose-based materials with micronized additives |
| CN101712175A (en) * | 2009-12-03 | 2010-05-26 | 东北林业大学 | Method of in situ growth of nano titanium dioxide protective layer on wood surface |
| CN104260169A (en) * | 2014-10-08 | 2015-01-07 | 西南林业大学 | Hydrophobic and ultraviolet radiation aging-resistant wood-based composite material and preparation method thereof |
| CN104549145A (en) * | 2014-12-01 | 2015-04-29 | 浙江理工大学 | Titanium dioxide/lignocellulose-based active carbon composite material and preparation method thereof |
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Application publication date: 20180126 |