CN102001116B - Method for union modification of wood by treating cell walls through silicon-containing compound and filling cell cavities with polymer - Google Patents
Method for union modification of wood by treating cell walls through silicon-containing compound and filling cell cavities with polymer Download PDFInfo
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Abstract
The invention discloses a method for union modification of wood by treating cell walls through a silicon-containing compound and filling cell cavities with polymer, and relates to a method for modifying the wood. The invention solves the problem that the conventional wood modifying method is difficult to improve the mechanical property and the durability of the wood simultaneously. The method comprises the following steps of: 1, pre-conditioning the wood; 2, preparing silicon-containing precursor solution; 3, impregnating the wood by using the silicon-containing precursor solution; 4, performing chemical treatment on the cell walls of the wood by using the silicon-containing compound through a heating method; 5, preparing organic polymerizable monomer solution; 6, impregnating the wood byusing the organic polymerizable monomer solution; and 7, performing polymerization filling on the cell cavities of the wood by using monomers through a heating method. In the method for treating the wood, the silicon-containing compound is utilized to endow the wood with high thermal stability, lyophobic property and wear resistance, and the organic polymer can be utilized to endow the wood with excellent mechanical property and dimensional stability.
Description
Technical field
The present invention relates to a kind of method of improved wood.
Background technology
Timber is as a kind of living beings polymer composite of natural reproducible, it has unique cellular porous structure, graceful native texture, good environmentology characteristic and the characteristics such as processability of originating widely, suiting, and is just closely bound up with human survival since ancient times.
In recent years, along with society to recover one's original simplicity, the natural ecological quality of the life is pursued grows to even greater heights, people are also more and more higher to the life requirement of natural high-quality timber.But the big footpath of global natural high-quality level timber sharply reduces because of people's excessive use, the substitute is the small diameter grade timber of a large amount of quick growing species of trees.And these quick growing species of trees timber often mechanical property is on the low side, poor durability, several no purposes have caused a large amount of wastes, have also brought simultaneously manyly such as negative issues such as disease and pest, fire, have seriously restricted the application of timber.
For fully efficiently utilizing these low-quality quick growing species of trees timber, make it to become high value added product, people have explored the many method of modifying that use organic molecule function reagent, organic macromolecule polymer, inorganic matter etc. to handle timber.Utilize the organic matter improved wood can give timber certain intensity and toughness usually, but heat endurance, weatherability, wearability etc. are often not good enough; And utilize mineral-modified timber can give the good heat endurance of timber, weatherability, wearability, antiseptic property etc. usually, but improve not good enough to the mechanical property of timber.Relevant patent (application number is 201010281955.0 Chinese patent) is though report the many performances that can improve timber by cell membrane, chamber Combined Treatment, and heat endurance is improved not good enough.In a word, all multi-methods of having explored always exchange the improvement of its partial properties for some performances of sacrificing timber, and pros and cons are obvious, and application is restricted.
Summary of the invention
The objective of the invention is to be difficult to improve simultaneously the mechanical property of timber and the problem of durability in order to solve existing method for modifying wood, a kind of method of utilizing silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber is provided.
It is as follows with the method for the combined modified timber in polymer tytosis chamber that the present invention utilizes silicon-containing compound to handle cell membrane: one, the pre-conditioned of timber: it is to display 1~3 month under 20%~98% the humidity environment that timber is placed humidity, namely gets moisture content in the wood cell wall and be≤30% timber; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and silane coupler, add acid then, regulating the pH value is 4.5~5.5, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: organic polymerisable monomer is mixed with initator, make organic polymerisable monomer solution, the mass concentration of initator is 0.5%~1% in organic polymerisable monomer solution; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 12~24h, 12~24h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃~115 ℃ conditions, heat 12h~24h again, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber; Silane coupler described in the step 2 is a kind of in γ-methacryloxypropyl trimethoxy silane, vinyltrimethoxy silane, VTES and vinyl three (2-methoxy ethoxy) silane or wherein several combination; Organic polymerisable monomer is methyl methacrylate described in the step 5, EMA, n-BMA, isobutyl methacrylate, the just own ester of methacrylic acid, benzyl methacrylate, decyl-octyl methacrylate, lauryl methacrylate, the methacrylic acid stearate, methacrylic acid-α-hydroxyl ethyl ester, methacrylic acid-α-hydroxypropyl acrylate, methacrylic acid-3-chloro-2-hydroxypropyl acrylate, methacrylic acid-2,3-dibromo propyl ester, cyclohexyl methacrylate, ethylene glycol dimethacrylate, the diethylene glycol dimethylacrylate, the triethylene glycol dimethylacrylate, the TEG dimethylacrylate, polyethylene glycol dimethacrylate, one propane diols dimethylacrylate, the DPG dimethylacrylate, the tripropylene glycol dimethylacrylate, 1, the 3-butanediol dimethylacrylate, 1, the 4-butanediol dimethylacrylate, bisphenol a dimethacrylate, 2, two [methacryloxypropyl phenyl] propane of 2-, trimethylol-propane trimethacrylate, GMA, styrene, acrylonitrile, methacrylonitrile, vinylacetate, to divinylbenzene, to chlorostyrene, Methacrylamide, N hydroxymethyl acrylamide, isobutylvinyl ether, DEF, diethyl maleate, the methyl-prop ketenes, allyl chloride, vinylpyridine, naphthalene ethene, poly-phthalic acid-1, a kind of in 2-propylene diester and poly-phthalic acid-oxygen di-ethyl ester or wherein several combination; Initator described in the step 5 is azodiisobutyronitrile (AIBN) or benzoyl peroxide (BPO); Acid described in the step 2 is hydrochloric acid or acetic acid.
It is as follows with the method for the combined modified timber in polymer tytosis chamber that the present invention utilizes silicon-containing compound to handle cell membrane: one, the pre-conditioned of timber: it is to display 1~3 month under 20%~98% the humidity environment that timber is placed humidity, namely gets moisture content in the wood cell wall and be≤30% timber; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and silane coupler, add NaOH or ammoniacal liquor then, regulating the pH value is 8~10, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: organic polymerisable monomer is mixed with initator, make organic polymerisable monomer solution, the mass concentration of initator is 0.5%~1% in organic polymerisable monomer solution; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 12~24h, 12~24h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃~115 ℃ conditions, heat 12h~24h again, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber; Silane coupler described in the step 2 is a kind of in gamma-aminopropyl-triethoxy-silane, N-(β-aminoethyl)-γ-aminopropyl methyl dimethoxysilane, N-β (aminoethyl)-γ-An Bingjisanjiayangjiguiwan and the γ-aminopropyl methyldiethoxysilane or wherein several combination; Organic polymerisable monomer is methyl methacrylate described in the step 5, EMA, n-BMA, isobutyl methacrylate, the just own ester of methacrylic acid, benzyl methacrylate, decyl-octyl methacrylate, lauryl methacrylate, the methacrylic acid stearate, methacrylic acid-α-hydroxyl ethyl ester, methacrylic acid-α-hydroxypropyl acrylate, methacrylic acid-3-chloro-2-hydroxypropyl acrylate, methacrylic acid-2,3-dibromo propyl ester, cyclohexyl methacrylate, styrene, polyethylene glycol dimethacrylate, ethylene glycol dimethacrylate, the diethylene glycol dimethylacrylate, the triethylene glycol dimethylacrylate, the TEG dimethylacrylate, one propane diols dimethylacrylate, the DPG dimethylacrylate, the tripropylene glycol dimethylacrylate, 1, combination or the GMA of a kind of and GMA in 3-butanediol dimethylacrylate and 1, the 4-butanediol dimethylacrylate; Perhaps organic polymerisable monomer is methyl methacrylate described in the step 5, EMA, n-BMA, isobutyl methacrylate, the just own ester of methacrylic acid, benzyl methacrylate, decyl-octyl methacrylate, lauryl methacrylate, the methacrylic acid stearate, methacrylic acid-α-hydroxyl ethyl ester, methacrylic acid-α-hydroxypropyl acrylate, methacrylic acid-3-chloro-2-hydroxypropyl acrylate, methacrylic acid-2,3-dibromo propyl ester, cyclohexyl methacrylate, styrene, polyethylene glycol dimethacrylate, ethylene glycol dimethacrylate, the diethylene glycol dimethylacrylate, the triethylene glycol dimethylacrylate, the TEG dimethylacrylate, one propane diols dimethylacrylate, the DPG dimethylacrylate, the tripropylene glycol dimethylacrylate, 1, combination or the allyl glycidyl ether of a kind of and allyl glycidyl ether in 3-butanediol dimethylacrylate and 1, the 4-butanediol dimethylacrylate; Initator described in the step 5 is azodiisobutyronitrile (AIBN) or benzoyl peroxide (BPO).
The present invention can make timber test specimen pre-conditioned and contain a certain amount ofly in conjunction with water in the wood cell wall, and making it provides necessary hydrolysis material-water for follow-up siliceous precursor solution infiltrates through wood cell wall and carries out in-situ hydrolysis therein.Adding silane coupler both can make it and the ethyl orthosilicate cohydrolysis, make and have functional group on the silicon-containing compound, can make it again with wood cell wall on the hydroxyl hydrolytie polycondensation, make and have functional group on the cell membrane, thereby for timber and even silicon-containing compound second step during polymer treatment lumen and monomer react and then improve interface compatibility the reaction basic point is provided, the silane coupler that wherein contains two keys, can carry out radical copolymerization with unsaturated monomer, thereby realize the grafting of polymer and wood cell wall; Contain amino silane coupler, can with the monomer generation nucleophilic substitution that has epoxide group, thereby realize the graft crosslinking of polymer and wood cell wall, strengthen two alternate interface compatibilities.Method of the present invention is because having produced wearability and the weatherability that wear-resisting, weather-proof silicon-containing compound has significantly improved timber in the cell membrane.
The inventive method is handled timber and both can have been utilized silicon-containing compound to give the high heat endurance of timber, hydrophobic property and wearability, can utilize polymer to give mechanical property and the dimensional stability of timber excellence again, can significantly improve timber especially mechanical property and the durability of low-quality quick growing species of trees timber, by high value added utilization in fields such as high-grade surface decoration material and indoor and outdoor building structural materials.
Description of drawings
Fig. 1 is Electronic Speculum (SEM) the observation figure of step 1 to four improved wood in the specific embodiment 13; Fig. 2 is the mapping of element silicon in cell membrane in step 1 to four improved wood in the specific embodiment 13; Fig. 3 is the corresponding X-ray energy spectrum of Fig. 1 scintigram; Fig. 4 is Electronic Speculum (SEM) the observation figure of step 1 to four improved wood in the specific embodiment 14; Fig. 5 is the mapping of element silicon in cell membrane in step 1 to four improved wood in the specific embodiment 14; Fig. 6 is the corresponding X-ray energy spectrum of Fig. 4 scintigram; Fig. 7 is that the specific embodiment 15 utilizes silicon-containing compound to handle the water contact angle photo of cell membrane and the combined modified timber in polymer tytosis chamber; Fig. 8 is that the specific embodiment 16 utilizes silicon-containing compound to handle the water contact angle photo of cell membrane and the combined modified timber in polymer tytosis chamber; Fig. 9 is that the specific embodiment 17 utilizes silicon-containing compound to handle the water contact angle photo of cell membrane and the combined modified timber in polymer tytosis chamber; Figure 10 is that the specific embodiment 18 utilizes silicon-containing compound to handle the water contact angle photo of cell membrane and the combined modified timber in polymer tytosis chamber; Figure 11 is that the specific embodiment 14 utilizes silicon-containing compound to handle the stereoscan photograph of 500 times of the combined modified timber amplifications of cell membrane and polymer tytosis chamber; Figure 12 is that the specific embodiment 14 utilizes silicon-containing compound to handle the stereoscan photograph of 1500 times of the combined modified timber amplifications of cell membrane and polymer tytosis chamber; Figure 13 is the specific embodiment 11,12,14 utilize silicon-containing compound to handle the anti-change curve of rate with soaking time that expand of cell membrane and the combined modified timber in polymer tytosis chamber, A represents that the specific embodiment 11 utilizes silicon-containing compound to handle the anti-bloated rate of cell membrane and the combined modified timber in polymer tytosis chamber with the change curve of soaking time among the figure, the anti-rate that expands that B represents that the specific embodiment 12 utilizes that silicon-containing compound handles cell membrane and the combined modified timber in polymer tytosis chamber is with the change curve of soaking time, C represent the specific embodiment 14 utilize silicon-containing compound handle cell membrane with resisting of the combined modified timber in polymer tytosis chamber bloated rate with the change curve of soaking time; Figure 14 is that the specific embodiment 15 to 18 utilizes silicon-containing compound to handle the anti-change curve of rate with soaking time that expand of cell membrane and the combined modified timber in polymer tytosis chamber, D represents that the specific embodiment 15 utilizes silicon-containing compound to handle the anti-bloated rate of cell membrane and the combined modified timber in polymer tytosis chamber with the change curve of soaking time among the figure, E represents that the specific embodiment 16 utilizes silicon-containing compound to handle the anti-bloated rate of cell membrane and the combined modified timber in polymer tytosis chamber with the change curve of soaking time, the anti-rate that expands that F represents that the specific embodiment 17 utilizes that silicon-containing compound handles cell membrane and the combined modified timber in polymer tytosis chamber is with the change curve of soaking time, G represent the specific embodiment 18 utilize silicon-containing compound handle cell membrane with resisting of the combined modified timber in polymer tytosis chamber bloated rate with the change curve of soaking time; Figure 15 is that the specific embodiment 14 and 18 utilizes silicon-containing compound to handle the heat endurance curve of cell membrane and the combined modified timber in polymer tytosis chamber, the thermogravimetric curve of the unmodified timber of 1 expression among the figure, handle the thermogravimetric curve of back timber in the 2 expression specific embodiment 18 through step 4, handle the thermogravimetric curve of back timber in the 3 expression specific embodiment 14 through step 4, the thermogravimetric curve of timber after 4 expressions are handled through the specific embodiment 18, the thermogravimetric curve of back timber is managed in 5 expressions everywhere through the specific embodiment ten.
The specific embodiment
Technical solution of the present invention is not limited to the following cited specific embodiment, also comprises any combination between each specific embodiment.
The specific embodiment one: it is as follows with the method for the combined modified timber in polymer tytosis chamber to utilize silicon-containing compound to handle cell membrane in the present embodiment: one, the pre-conditioned of timber: it is to display 1~3 month under 20%~98% the humidity environment that timber is placed humidity, namely gets moisture content in the wood cell wall and be≤30% timber; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and silane coupler, add acid then, regulating the pH value is 4.5~5.5, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: organic polymerisable monomer is mixed with initator, make organic polymerisable monomer solution, the mass concentration of initator is 0.5%~1% in organic polymerisable monomer solution; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 12~24h, 12~24h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃~115 ℃ conditions, heat 12h~24h again, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber; Silane coupler described in the step 2 is a kind of in γ-methacryloxypropyl trimethoxy silane, vinyltrimethoxy silane, VTES and vinyl three (2-methoxy ethoxy) silane or wherein several combination; Organic polymerisable monomer is methyl methacrylate described in the step 5, EMA, n-BMA, isobutyl methacrylate, the just own ester of methacrylic acid, benzyl methacrylate, decyl-octyl methacrylate, lauryl methacrylate, the methacrylic acid stearate, methacrylic acid-α-hydroxyl ethyl ester, methacrylic acid-α-hydroxypropyl acrylate, methacrylic acid-3-chloro-2-hydroxypropyl acrylate, methacrylic acid-2,3-dibromo propyl ester, cyclohexyl methacrylate, ethylene glycol dimethacrylate, the diethylene glycol dimethylacrylate, the triethylene glycol dimethylacrylate, the TEG dimethylacrylate, polyethylene glycol dimethacrylate, one propane diols dimethylacrylate, the DPG dimethylacrylate, the tripropylene glycol dimethylacrylate, 1, the 3-butanediol dimethylacrylate, 1, the 4-butanediol dimethylacrylate, bisphenol a dimethacrylate, 2, two [methacryloxypropyl phenyl] propane of 2-, trimethylol-propane trimethacrylate, GMA, styrene, acrylonitrile, methacrylonitrile, vinylacetate, to divinylbenzene, to chlorostyrene, Methacrylamide, N hydroxymethyl acrylamide, isobutylvinyl ether, DEF, diethyl maleate, the methyl-prop ketenes, allyl chloride, vinylpyridine, naphthalene ethene, poly-phthalic acid-1, a kind of in 2-propylene diester and poly-phthalic acid-oxygen di-ethyl ester or wherein several combination; Initator described in the step 5 is azodiisobutyronitrile (AIBN) or benzoyl peroxide (BPO).
When silane coupler is composition described in the step 2 in the present embodiment, between each composition be arbitrarily than; When organic polymerisable monomer is composition described in the step 5, between each composition be arbitrarily than.
Can make timber test specimen pre-conditioned in the present embodiment and contain a certain amount ofly in conjunction with water in the wood cell wall, making it provides necessary hydrolysis material-water for follow-up siliceous precursor solution infiltrates through wood cell wall and carries out in-situ hydrolysis therein.Adding silane coupler both can make it and the ethyl orthosilicate cohydrolysis, make and have functional group on the silicon-containing compound, can make it again with wood cell wall on the hydroxyl hydrolytie polycondensation, make and have functional group on the cell membrane, thereby for timber and even silicon-containing compound second step during polymer treatment lumen and monomer react and then improve interface compatibility the reaction basic point is provided, the silane coupler that wherein contains two keys, can carry out radical copolymerization with unsaturated monomer, thereby realize the grafting of polymer and wood cell wall; Contain amino silane coupler, can with the monomer generation nucleophilic substitution that has epoxide group, thereby realize the graft crosslinking of polymer and wood cell wall, strengthen two alternate interface compatibilities.Method in the present embodiment is because having produced wearability and the weatherability that wear-resisting, weather-proof silicon-containing compound has significantly improved timber in the cell membrane.
The specific embodiment two: what present embodiment and the specific embodiment one were different is that the acid described in the step 2 is hydrochloric acid or acetic acid.Other is identical with the specific embodiment one.
The specific embodiment three: present embodiment and the specific embodiment one are different is that to regulate the pH value in the step 2 be 5.0.Other is identical with the specific embodiment one.
The specific embodiment four: what present embodiment and the specific embodiment one were different is to heat 20h in the step 7 under 100 ℃ of conditions.Other is identical with the specific embodiment one.
The specific embodiment five: it is as follows with the method for the combined modified timber in polymer tytosis chamber to utilize silicon-containing compound to handle cell membrane in the present embodiment: one, the pre-conditioned of timber: it is to display 1~3 month under 20%~98% the humidity environment that timber is placed humidity, namely gets moisture content in the wood cell wall and be≤30% timber; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and silane coupler, add NaOH or ammoniacal liquor then, regulating the pH value is 8~10, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: organic polymerisable monomer is mixed with initator, make organic polymerisable monomer solution, the mass concentration of initator is 0.5%~1% in organic polymerisable monomer solution; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 12~24h, 12~24h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃~115 ℃ conditions, heat 12h~24h again, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber; Silane coupler described in the step 2 is a kind of in gamma-aminopropyl-triethoxy-silane, N-(β-aminoethyl)-γ-aminopropyl methyl dimethoxysilane, N-β (aminoethyl)-γ-An Bingjisanjiayangjiguiwan and the γ-aminopropyl methyldiethoxysilane or wherein several combination; Organic polymerisable monomer is methyl methacrylate described in the step 5, EMA, n-BMA, isobutyl methacrylate, the just own ester of methacrylic acid, benzyl methacrylate, decyl-octyl methacrylate, lauryl methacrylate, the methacrylic acid stearate, methacrylic acid-α-hydroxyl ethyl ester, methacrylic acid-α-hydroxypropyl acrylate, methacrylic acid-3-chloro-2-hydroxypropyl acrylate, methacrylic acid-2,3-dibromo propyl ester, cyclohexyl methacrylate, styrene, polyethylene glycol dimethacrylate, ethylene glycol dimethacrylate, the diethylene glycol dimethylacrylate, the triethylene glycol dimethylacrylate, the TEG dimethylacrylate, one propane diols dimethylacrylate, the DPG dimethylacrylate, the tripropylene glycol dimethylacrylate, 1, combination or the GMA of a kind of and GMA in 3-butanediol dimethylacrylate and 1, the 4-butanediol dimethylacrylate; Initator described in the step 5 is azodiisobutyronitrile (AIBN) or benzoyl peroxide (BPO).
When silane coupler is composition described in the step 2 in the present embodiment, between each composition be arbitrarily than; When organic polymerisable monomer is composition described in the step 5, between each composition be arbitrarily than.
Can make timber test specimen pre-conditioned in the present embodiment and contain a certain amount ofly in conjunction with water in the wood cell wall, making it provides necessary hydrolysis material-water for follow-up siliceous precursor solution infiltrates through wood cell wall and carries out in-situ hydrolysis therein.Adding silane coupler both can make it and the ethyl orthosilicate cohydrolysis, make and have functional group on the silicon-containing compound, can make it again with wood cell wall on the hydroxyl hydrolytie polycondensation, make and have functional group on the cell membrane, thereby for timber and even silicon-containing compound second step during polymer treatment lumen and monomer react and then improve interface compatibility the reaction basic point is provided, the silane coupler that wherein contains two keys, can carry out radical copolymerization with unsaturated monomer, thereby realize the grafting of polymer and wood cell wall; Contain amino silane coupler, can with the monomer generation nucleophilic substitution that has epoxide group, thereby realize the graft crosslinking of polymer and wood cell wall, strengthen two alternate interface compatibilities.Method in the present embodiment is because having produced wearability and the weatherability that wear-resisting, weather-proof silicon-containing compound has significantly improved timber in the cell membrane.
The specific embodiment six: present embodiment and the specific embodiment five are different is that to regulate the pH value in the step 2 be 9.Other is identical with the specific embodiment five.
The specific embodiment seven: what present embodiment and the specific embodiment five were different is to heat 20h in the step 7 under 100 ℃ of conditions.Other is identical with the specific embodiment five.
The specific embodiment eight: it is as follows with the method for the combined modified timber in polymer tytosis chamber to utilize silicon-containing compound to handle cell membrane in the present embodiment: one, the pre-conditioned of timber: it is to display 1~3 month under 20%~98% the humidity environment that timber is placed humidity, namely gets moisture content in the wood cell wall and be≤30% timber; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and silane coupler, add NaOH or ammoniacal liquor then, regulating the pH value is 8~10, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: organic polymerisable monomer is mixed with initator, make organic polymerisable monomer solution, the mass concentration of initator is 0.5%~1% in organic polymerisable monomer solution; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 12~24h, 12~24h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃ of conditions, heat 8h again, under 115 ℃ of conditions, heat 12h~24h at last, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber; Silane coupler described in the step 2 is a kind of in gamma-aminopropyl-triethoxy-silane, N-(β-aminoethyl)-γ-aminopropyl methyl dimethoxysilane, N-β (aminoethyl)-γ-An Bingjisanjiayangjiguiwan and the γ-aminopropyl methyldiethoxysilane or wherein several combination; Organic polymerisable monomer is methyl methacrylate described in the step 5, EMA, n-BMA, isobutyl methacrylate, the just own ester of methacrylic acid, benzyl methacrylate, decyl-octyl methacrylate, lauryl methacrylate, the methacrylic acid stearate, methacrylic acid-α-hydroxyl ethyl ester, methacrylic acid-α-hydroxypropyl acrylate, methacrylic acid-3-chloro-2-hydroxypropyl acrylate, methacrylic acid-2,3-dibromo propyl ester, cyclohexyl methacrylate, styrene, polyethylene glycol dimethacrylate, ethylene glycol dimethacrylate, the diethylene glycol dimethylacrylate, the triethylene glycol dimethylacrylate, the TEG dimethylacrylate, one propane diols dimethylacrylate, the DPG dimethylacrylate, the tripropylene glycol dimethylacrylate, 1, combination or the allyl glycidyl ether of a kind of and allyl glycidyl ether in 3-butanediol dimethylacrylate and 1, the 4-butanediol dimethylacrylate; Initator described in the step 5 is azodiisobutyronitrile (AIBN) or benzoyl peroxide (BPO).
When silane coupler is composition described in the step 2 in the present embodiment, between each composition be arbitrarily than; When organic polymerisable monomer is composition described in the step 5, between each composition be arbitrarily than.
Can make timber test specimen pre-conditioned in the present embodiment and contain a certain amount ofly in conjunction with water in the wood cell wall, making it provides necessary hydrolysis material-water for follow-up siliceous precursor solution infiltrates through wood cell wall and carries out in-situ hydrolysis therein.Adding silane coupler both can make it and the ethyl orthosilicate cohydrolysis, make and have functional group on the silicon-containing compound, can make it again with wood cell wall on the hydroxyl hydrolytie polycondensation, make and have functional group on the cell membrane, thereby for timber and even silicon-containing compound second step during polymer treatment lumen and monomer react and then improve interface compatibility the reaction basic point is provided, the silane coupler that wherein contains two keys, can carry out radical copolymerization with unsaturated monomer, thereby realize the grafting of polymer and wood cell wall; Contain amino silane coupler, can with the monomer generation nucleophilic substitution that has epoxide group, thereby realize the graft crosslinking of polymer and wood cell wall, strengthen two alternate interface compatibilities.Method in the present embodiment is because having produced wearability and the weatherability that wear-resisting, weather-proof silicon-containing compound has significantly improved timber in the cell membrane.
The specific embodiment nine: present embodiment and the specific embodiment eight are different is that to regulate the pH value in the step 2 be 9.Other is identical with the specific embodiment eight.
The specific embodiment ten: what present embodiment and the specific embodiment eight were different is to heat 20h in the step 7 under 100 ℃ of conditions.Other is identical with the specific embodiment eight.
The specific embodiment 11: it is as follows to utilize silicon-containing compound to handle the method for cell membrane and the combined modified timber in polymer tytosis chamber in the present embodiment: one, the pre-conditioned of timber: it is that (humidity environment is CH for 20% humidity environment that timber is placed humidity
3The saturated aqueous solution of COOK) displayed under 1~3 month, and namely got the timber of moisture content in the wood cell wall<30%; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and γ-methacryloxypropyl trimethoxy silane (KH570), add hydrochloric acid then, regulating the pH value is 5, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: GMA is mixed with azodiisobutyronitrile, make organic polymerisable monomer solution, the mass concentration of azodiisobutyronitrile is 0.7% in organic polymerisable monomer solution; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 15h, 15h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃ of conditions, heat 8h again, under 115 ℃ of conditions, heat 15h at last, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber.
The specific embodiment 12: it is as follows to utilize silicon-containing compound to handle the method for cell membrane and the combined modified timber in polymer tytosis chamber in the present embodiment: one, the pre-conditioned of timber: it is that (humidity environment is K for 43% humidity environment that timber is placed humidity
2CO
3Saturated aqueous solution) under displayed 1~3 month, namely get the timber of moisture content in the wood cell wall<30%; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and γ-methacryloxypropyl trimethoxy silane (KH570), add acetic acid then, regulating the pH value is 5, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: GMA is mixed with benzoyl peroxide, make organic polymerisable monomer solution, the mass concentration of benzoyl peroxide is 0.5%~1% in organic polymerisable monomer solution; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 22h, 22h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃ of conditions, heat 8h again, under 115 ℃ of conditions, heat 22h at last, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber.
The specific embodiment 13: it is as follows to utilize silicon-containing compound to handle the method for cell membrane and the combined modified timber in polymer tytosis chamber in the present embodiment: one, the pre-conditioned of timber: it is to display 1~3 month under 75% the humidity environment (humidity environment is the saturated aqueous solution of NaCl) that timber is placed humidity, namely gets moisture content in the wood cell wall and be 30% timber; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and γ-methacryloxypropyl trimethoxy silane (KH570), add acetic acid then, regulating the pH value is 5, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: GMA is mixed with benzoyl peroxide, make organic polymerisable monomer solution, the mass concentration of benzoyl peroxide is 0.9% in organic polymerisable monomer solution; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 19h, 19h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃ of conditions, heat 8h again, under 115 ℃ of conditions, heat 19h at last, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber.
By Fig. 1 and Fig. 2 as can be known, the shape appearance figure of element silicon distribution map and wood cell wall is corresponding fully to coincide, handle timber through siliceous precursor solution after, silicon-containing compound original position formation in cell membrane, and being evenly distributed in the cell membrane.
Can clearly be observed by Fig. 3 and to utilize silicon-containing compound to handle the existence that comes from Si element in the silicon-containing compound precursor in cell membrane and the combined modified timber in polymer tytosis chamber.Table 1 show by X-ray energy spectrum scanning detect this SEM observation figure (Fig. 1) as can be seen the weight percentage in the wood cell wall under 75% humidity, handled of element silicon account for 6.02%, atomic percentage conc accounts for 2.96%.
Table 1
Element | Quality percentage composition (Wt%) | Atomic percentage conc (At%) |
C K | 56.07 | 64.37 |
O K | 37.91 | 32.67 |
Si K | 06.02 | 02.96 |
The specific embodiment 14: it is as follows to utilize silicon-containing compound to handle the method for cell membrane and the combined modified timber in polymer tytosis chamber in the present embodiment: one, the pre-conditioned of timber: it is that (humidity environment is K for 98% humidity environment that timber is placed humidity
2SO
4Saturated aqueous solution) under displayed 1~3 month, namely get moisture content in the wood cell wall and be 30% timber; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and γ-methacryloxypropyl trimethoxy silane (KH570), add acetic acid then, regulating the pH value is 5, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: GMA is mixed with azodiisobutyronitrile, make organic polymerisable monomer solution, the mass concentration of azodiisobutyronitrile is 0.7% in organic polymerisable monomer solution; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 20h, 20h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃ of conditions, heat 8h again, under 115 ℃ of conditions, heat 20h at last, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber.
By Fig. 4 and Fig. 5 as can be known, the shape appearance figure of element silicon distribution map and wood cell wall is corresponding fully to coincide, illustrate through behind the siliceous precursor solution processing timber, and silicon-containing compound original position formation in cell membrane, and be evenly distributed in the cell membrane.
Can clearly be observed by Fig. 6 and to utilize silicon-containing compound to handle the existence that comes from Si element in the silicon-containing compound precursor in cell membrane and the combined modified timber in polymer tytosis chamber.Table 2 show by X-ray energy spectrum scanning detect this SEM observation figure (Fig. 4) as can be seen the weight percentage in the wood cell wall under 98% humidity, handled of element silicon account for 10.96%, atomic percentage conc accounts for 2.96%.
Table 2
Element | Quality percentage composition (Wt%) | Atomic percentage conc (At%) |
C K | 56.07 | 64.37 |
O K | 37.91 | 32.67 |
Si K | 06.02 | 02.96 |
By Figure 11 and Figure 12 polymer original position generation in lumen equably as can be seen, and be combined closely in polymer interface with between wood cell wall, not having obvious slit, polymer is described mutually and wood substrates---the interaction force between cell membrane is strong, may be the result of chemical graft reaction.
The specific embodiment 15: it is as follows to utilize silicon-containing compound to handle the method for cell membrane and the combined modified timber in polymer tytosis chamber in the present embodiment: one, the pre-conditioned of timber: it is that (humidity environment is CH for 20% humidity environment that timber is placed humidity
3The saturated aqueous solution of COOK) displayed under 1~3 month, and namely got moisture content in the wood cell wall and be<30% timber; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and gamma-aminopropyl-triethoxy-silane (KH550), add NaOH then, regulating the pH value is 8, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: GMA is mixed with azodiisobutyronitrile, make organic polymerisable monomer solution, the mass concentration of azodiisobutyronitrile is 0.8% in organic polymerisable monomer solution; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 24h, 24h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃ of conditions, heat 8h again, under 115 ℃ of conditions, heat 24h at last, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber.
The water contact angle that present embodiment utilizes silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber is 113 °.
The specific embodiment 16: it is as follows to utilize silicon-containing compound to handle the method for cell membrane and the combined modified timber in polymer tytosis chamber in the present embodiment: one, the pre-conditioned of timber: it is that (humidity environment is K for 43% humidity environment that timber is placed humidity
2CO
3Saturated aqueous solution) under displayed 1~3 month, namely get moisture content in the wood cell wall and be<30% timber; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and gamma-aminopropyl-triethoxy-silane (KH550), add NaOH then, regulating the pH value is 9, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: GMA is mixed with azodiisobutyronitrile, make organic polymerisable monomer solution, the mass concentration of azodiisobutyronitrile is 0.8% in organic polymerisable monomer solution; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 18h, 18h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃ of conditions, heat 8h again, under 115 ℃ of conditions, heat 18h at last, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber.
The water contact angle that present embodiment utilizes silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber is 120 °.
The specific embodiment 17: it is as follows with the method for the combined modified timber in polymer tytosis chamber to utilize silicon-containing compound to handle cell membrane in the present embodiment: one, the pre-conditioned of timber: it is to display 1~3 month under 75% the humidity environment (humidity environment is the saturated aqueous solution of NaCl) that timber is placed humidity, namely gets moisture content in the wood cell wall and be<30% timber; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and gamma-aminopropyl-triethoxy-silane (KH550), add NaOH then, regulating the pH value is 9, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: GMA is mixed with benzoyl peroxide, make organic polymerisable monomer solution, the mass concentration of benzoyl peroxide is 0.6% in organic polymerisable monomer solution; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 24h, 24h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃ of conditions, heat 8h again, under 115 ℃ of conditions, heat 24h at last, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber.
The water contact angle that present embodiment utilizes silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber is 130 °.
The specific embodiment 18: it is as follows to utilize silicon-containing compound to handle the method for cell membrane and the combined modified timber in polymer tytosis chamber in the present embodiment: one, the pre-conditioned of timber: it is that (humidity environment is K for 98% humidity environment that timber is placed humidity
2SO
4Saturated aqueous solution) under displayed 1~3 month, namely get moisture content in the wood cell wall and be 30% timber; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and gamma-aminopropyl-triethoxy-silane (KH550), add NaOH then, regulating the pH value is 10, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: GMA is mixed with benzoyl peroxide, make organic polymerisable monomer solution, the mass concentration of benzoyl peroxide is 0.6% in organic polymerisable monomer solution; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 12h, 12h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃ of conditions, heat 8h again, under 115 ℃ of conditions, heat 24h at last, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber.
The water contact angle that present embodiment utilizes silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber is 143 °, by the contrast of Fig. 7 to Figure 10 as can be known after adopting silicon-containing compound (silane coupler) to handle the timber of 4 kinds of different humidity, timber after the processing has all had hydrophobic function, and along with the increase of humidity, water contact angle rises successively, increase to 143 ° by 113 °, when humidity reached 98%, the timber after the processing was near super hydrophobic material.
By Figure 13 and curve shown in Figure 14 as can be known, when KH550 and KH570 made coupling agent, combined modified timber of two steps still remained on more than 65% and 45% in the anti-rate that expands behind the progressive flooding 10d, has shown good dimensional stability.In addition, improved wood is with the raising of humidity, and the anti-rate that expands raises, and this mainly is because the silicone content in the cell membrane increases, and has hindered the infiltration of moisture to cell membrane.
As shown in Figure 15, all than the relevant temperature height of unseasoned timber, this explanation heat endurance of timber after modification obviously improves initial thermal degradation temperature, quick degradation temperature and the weightless equilibrium temperature of silicon-containing compound improved wood and cell membrane, combined modified timber of two step of chamber.
Contrast as shown in table 3 through the specific embodiment 15 to the wearability of present embodiment improved wood and the wearability of unmodified timber:
Table 3
As shown in Table 3, for the wearability of 15 to 18 times improved woods of the specific embodiment, along with the increase of humidity, the content of silicon-containing compound in cell membrane increases successively, and wearability improves successively; After further introducing organic polymer on this basis, roughly under the suitable situation, wearability further is improved at high polymer content.Compare with unseasoned timber, improve the 70.13% raising ratio 87.78% that rises under the concrete enforcement 18 by the wearability under the specific embodiment 15.As seen, after two steps of silicon-containing compound and organic polymer handled in succession, the wearability of timber was significantly improved; Silicone content is more high, and wearability is more high; Silicone content composition polymer total content is more high, and the wearability of timber is more high.
As shown in table 4 to the antiseptic property contrast of present embodiment improved wood and other preserving timbers and unseasoned timber through the specific embodiment 15:
Table 4
As shown in Table 4, no matter brown rot is tested still white rot experiment, and along with humidity increases, silicon-containing compound content improves successively, cell membrane, chamber combined modified back the preservation of timber against decay of two steps performance also improves successively, and more unmodified timber improves by 90.94% to 99.36% etc. in various degree.This method is also whole good than typical organic anti-corrosive agent IPBC processing timber and inorganic boric acid processing the preservation of timber against decay performance to the improvement of wood preservation performance.
By above-mentioned result of the test as seen, utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber after, the overall performance of timber significantly improves, low-quality timber is expected to high value added utilization, has realized re-set target.
The specific embodiment 19: it is as follows to utilize silicon-containing compound to handle the method for cell membrane and the combined modified timber in polymer tytosis chamber in the present embodiment: one, the pre-conditioned of timber: it is that (humidity environment is K for 98% humidity environment that timber is placed humidity
2SO
4Saturated aqueous solution) under displayed 1~3 month, namely get moisture content in the wood cell wall and be 30% timber; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and gamma-aminopropyl-triethoxy-silane (KH550), add NaOH then, regulating the pH value is 10, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: GMA is mixed with benzoyl peroxide, make organic polymerisable monomer solution, the mass concentration of benzoyl peroxide is 0.5% in organic polymerisable monomer solution; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 24h, 24h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃ of conditions, heat 8h again, under 115 ℃ of conditions, heat 24h at last, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber.
The specific embodiment 20: it is as follows to utilize silicon-containing compound to handle the method for cell membrane and the combined modified timber in polymer tytosis chamber in the present embodiment: one, the pre-conditioned of timber: it is that (humidity environment is K for 98% humidity environment that timber is placed humidity
2SO
4Saturated aqueous solution) under displayed 1~3 month, namely get moisture content in the wood cell wall and be 30% timber; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and gamma-aminopropyl-triethoxy-silane (KH550), add NaOH then, regulating the pH value is 10, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: GMA, styrene are mixed with benzoyl peroxide, make organic polymerisable monomer solution, the mass concentration of benzoyl peroxide is 0.5% in organic polymerisable monomer solution, and GMA and cinnamic mol ratio are 1: 1; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 24h, 24h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃ of conditions, heat 8h again, under 115 ℃ of conditions, heat 24h at last, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber.
The specific embodiment 21: it is as follows to utilize silicon-containing compound to handle the method for cell membrane and the combined modified timber in polymer tytosis chamber in the present embodiment: one, the pre-conditioned of timber: it is that (humidity environment is K for 98% humidity environment that timber is placed humidity
2SO
4Saturated aqueous solution) under displayed 1~3 month, namely get moisture content in the wood cell wall and be 30% timber; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and gamma-aminopropyl-triethoxy-silane (KH550), add NaOH then, regulating the pH value is 10, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: GMA, ethylene glycol dimethacrylate are mixed with benzoyl peroxide, make organic polymerisable monomer solution, the mass concentration of benzoyl peroxide is 0.5% in organic polymerisable monomer solution, and the mol ratio of GMA and ethylene glycol dimethacrylate is 1: 1; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 24h, 24h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃ of conditions, heat 8h again, under 115 ℃ of conditions, heat 24h at last, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber.
The specific embodiment 22: it is as follows to utilize silicon-containing compound to handle the method for cell membrane and the combined modified timber in polymer tytosis chamber in the present embodiment: one, the pre-conditioned of timber: it is that (humidity environment is K for 98% humidity environment that timber is placed humidity
2SO
4Saturated aqueous solution) under displayed 1~3 month, namely get moisture content in the wood cell wall and be 30% timber; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and gamma-aminopropyl-triethoxy-silane (KH550), add NaOH then, regulating the pH value is 10, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: GMA, polyethylene glycol (200) dimethylacrylate are mixed with benzoyl peroxide, make organic polymerisable monomer solution, the mass concentration of benzoyl peroxide is 0.5% in organic polymerisable monomer solution, and the mol ratio of GMA and polyethylene glycol (200) dimethylacrylate is 1: 1; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 24h, 24h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃ of conditions, heat 8h again, under 115 ℃ of conditions, heat 24h at last, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber.
The specific embodiment 23: it is as follows to utilize silicon-containing compound to handle the method for cell membrane and the combined modified timber in polymer tytosis chamber in the present embodiment: one, the pre-conditioned of timber: it is that (humidity environment is K for 98% humidity environment that timber is placed humidity
2SO
4Saturated aqueous solution) under displayed 1~3 month, namely get moisture content in the wood cell wall and be 30% timber; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and gamma-aminopropyl-triethoxy-silane (KH550), add NaOH then, regulating the pH value is 10, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: GMA, polyethylene glycol (200) dimethylacrylate are mixed with azodiisobutyronitrile, make organic polymerisable monomer solution, the mass concentration of azodiisobutyronitrile is 0.5% in organic polymerisable monomer solution, and the mol ratio of GMA and polyethylene glycol (200) dimethylacrylate is 1: 1; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 24h, 24h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃ of conditions, heat 8h again, under 115 ℃ of conditions, heat 24h at last, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber.
The specific embodiment 24: it is as follows to utilize silicon-containing compound to handle the method for cell membrane and the combined modified timber in polymer tytosis chamber in the present embodiment: one, the pre-conditioned of timber: it is that (humidity environment is K for 98% humidity environment that timber is placed humidity
2SO
4Saturated aqueous solution) under displayed 1~3 month, namely get moisture content in the wood cell wall and be 30% timber; Two, the configuration of siliceous precursor solution: be that 1: 4: 0.1 ratio is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and γ-aminopropyl methyldiethoxysilane, add NaOH then, regulating the pH value is 10, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: GMA, polyethylene glycol (200) dimethylacrylate are mixed with azodiisobutyronitrile, make organic polymerisable monomer solution, the mass concentration of azodiisobutyronitrile is 0.5% in organic polymerisable monomer solution, and the mol ratio of GMA and polyethylene glycol (200) dimethylacrylate is 1: 1; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 24h, 24h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃ of conditions, heat 8h again, under 115 ℃ of conditions, heat 24h at last, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber.
Claims (10)
1. utilize silicon-containing compound to handle the method for cell membrane and the combined modified timber in polymer tytosis chamber, it is as follows with the method for the combined modified timber in polymer tytosis chamber to it is characterized in that utilizing silicon-containing compound to handle cell membrane: one, the pre-conditioned of timber: it is to display 1~3 month under 20%~98% the humidity environment that timber is placed humidity, namely gets moisture content in the wood cell wall and be≤30% timber; Two, the configuration of siliceous precursor solution: be that the ratio of 1 ﹕, 4 ﹕ 0.1 is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and silane coupler, add acid then, regulating the pH value is 4.5~5.5, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: organic polymerisable monomer is mixed with initator, make organic polymerisable monomer solution, the mass concentration of initator is 0.5%~1% in organic polymerisable monomer solution; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 12~24h, 12~24h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃~115 ℃ conditions, heat 12h~24h again, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber; Silane coupler described in the step 2 is a kind of in γ-methacryloxypropyl trimethoxy silane, vinyltrimethoxy silane, VTES and vinyl three (2-methoxy ethoxy) silane or wherein several combination; Organic polymerisable monomer is methyl methacrylate described in the step 5, EMA, n-BMA, isobutyl methacrylate, the just own ester of methacrylic acid, benzyl methacrylate, decyl-octyl methacrylate, lauryl methacrylate, the methacrylic acid stearate, methacrylic acid-α-hydroxyl ethyl ester, methacrylic acid-α-hydroxypropyl acrylate, methacrylic acid-3-chloro-2-hydroxypropyl acrylate, methacrylic acid-2,3-dibromo propyl ester, cyclohexyl methacrylate, ethylene glycol dimethacrylate, the diethylene glycol dimethylacrylate, the triethylene glycol dimethylacrylate, the TEG dimethylacrylate, polyethylene glycol dimethacrylate, one propane diols dimethylacrylate, the DPG dimethylacrylate, the tripropylene glycol dimethylacrylate, 1, the 3-butanediol dimethylacrylate, 1, the 4-butanediol dimethylacrylate, bisphenol a dimethacrylate, 2, two [methacryloxypropyl phenyl] propane of 2-, trimethylol-propane trimethacrylate, GMA, styrene, acrylonitrile, methacrylonitrile, vinylacetate, to divinylbenzene, to chlorostyrene, Methacrylamide, N hydroxymethyl acrylamide, isobutylvinyl ether, DEF, diethyl maleate, the methyl-prop ketenes, allyl chloride, vinylpyridine, naphthalene ethene, poly-phthalic acid-1, a kind of in 2-propylene diester and poly-phthalic acid-oxygen di-ethyl ester or wherein several combination; Initator described in the step 5 is azodiisobutyronitrile or benzoyl peroxide.
2. according to the described method of utilizing silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber of claim 1, it is characterized in that the acid described in the step 2 is hydrochloric acid or acetic acid.
3. according to the described method of utilizing silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber of claim 1, it is characterized in that regulating the pH value in the step 2 is 5.0.
4. according to the described method of utilizing silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber of claim 1, it is characterized in that under 100 ℃ of conditions, heating 20h in the step 7.
5. utilize silicon-containing compound to handle the method for cell membrane and the combined modified timber in polymer tytosis chamber, it is as follows with the method for the combined modified timber in polymer tytosis chamber to it is characterized in that utilizing silicon-containing compound to handle cell membrane: one, the pre-conditioned of timber: it is to display 1~3 month under 20%~98% the humidity environment that timber is placed humidity, namely gets moisture content in the wood cell wall and be≤30% timber; Two, the configuration of siliceous precursor solution: be that the ratio of 1 ﹕, 4 ﹕ 0.1 is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and silane coupler, add NaOH or ammoniacal liquor then, regulating the pH value is 8~10, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: organic polymerisable monomer is mixed with initator, make organic polymerisable monomer solution, the mass concentration of initator is 0.5%~1% in organic polymerisable monomer solution; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 12~24h, 12~24h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃~115 ℃ conditions, heat 12h~24h again, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber; Silane coupler described in the step 2 is gamma-aminopropyl-triethoxy-silane, N-(β-aminoethyl)-a kind of in γ-aminopropyl methyl dimethoxysilane, N-β (aminoethyl)-γ-An Bingjisanjiayangjiguiwan and the γ-aminopropyl methyldiethoxysilane or wherein several combination; Organic polymerisable monomer is methyl methacrylate described in the step 5, EMA, n-BMA, isobutyl methacrylate, the just own ester of methacrylic acid, benzyl methacrylate, decyl-octyl methacrylate, lauryl methacrylate, the methacrylic acid stearate, methacrylic acid-α-hydroxyl ethyl ester, methacrylic acid-α-hydroxypropyl acrylate, methacrylic acid-3-chloro-2-hydroxypropyl acrylate, methacrylic acid-2,3-dibromo propyl ester, cyclohexyl methacrylate, styrene, polyethylene glycol dimethacrylate, ethylene glycol dimethacrylate, the diethylene glycol dimethylacrylate, the triethylene glycol dimethylacrylate, the TEG dimethylacrylate, one propane diols dimethylacrylate, the DPG dimethylacrylate, the tripropylene glycol dimethylacrylate, 1, combination or the GMA of a kind of and GMA in 3-butanediol dimethylacrylate and 1, the 4-butanediol dimethylacrylate; Initator described in the step 5 is azodiisobutyronitrile or benzoyl peroxide.
6. according to the described method of utilizing silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber of claim 5, it is characterized in that regulating the pH value in the step 2 is 9.
7. according to the described method of utilizing silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber of claim 5, it is characterized in that under 100 ℃ of conditions, heating 20h in the step 7.
8. it is as follows with the method for the combined modified timber in polymer tytosis chamber to utilize silicon-containing compound to handle cell membrane: one, the pre-conditioned of timber: it is to display 1~3 month under 20%~98% the humidity environment that timber is placed humidity, namely gets moisture content in the wood cell wall and be≤30% timber; Two, the configuration of siliceous precursor solution: be that the ratio of 1 ﹕, 4 ﹕ 0.1 is composite in molar ratio with ethyl orthosilicate, absolute ethyl alcohol and silane coupler, add NaOH or ammoniacal liquor then, regulating the pH value is 8~10, namely gets siliceous precursor solution; Three, siliceous precursor solution impregnating timber: will be immersed in the siliceous precursor solution through the timber that step 1 is handled, under the condition of vacuum for-0.08MPa, vacuumize 30min, 30min again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Four, heating realizes that silicon-containing compound is to the chemical treatment of wood cell wall: coating timber with aluminium-foil paper heat 6h under 60 ℃ of conditions the step 3 gained, under 80 ℃ of conditions, heat 6h again, under 103 ℃ of conditions, heat 12h more then, remove aluminium-foil paper, at 103 ℃ of heating 12h, namely finish silicon-containing compound to the chemical treatment of wood cell wall; Five, the configuration of organic polymerisable monomer solution: organic polymerisable monomer is mixed with initator, make organic polymerisable monomer solution, the mass concentration of initator is 0.5%~1% in organic polymerisable monomer solution; Six, organic polymerisable monomer solution impregnating timber: will immerse in organic polymerisable monomer solution through the timber that step 4 is handled, under the condition of vacuum for-0.08MPa, vacuumize 12~24h, 12~24h again pressurizes under the pressure of 0.8MPa, recover normal pressure, coat timber and display 24h at normal temperatures and pressures with aluminium-foil paper; Seven, heating realization monomer is filled the polymerization in wood cell chamber: will heat 6h under 60 ℃ of conditions through the timber that coats with aluminium-foil paper that step 6 is handled, under 80 ℃ of conditions, heat 8h again, under 115 ℃ of conditions, heat 12h~24h at last, namely get and utilize silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber; Silane coupler described in the step 2 is gamma-aminopropyl-triethoxy-silane, N-(β-aminoethyl)-a kind of in γ-aminopropyl methyl dimethoxysilane, N-β (aminoethyl)-γ-An Bingjisanjiayangjiguiwan and the γ-aminopropyl methyldiethoxysilane or wherein several combination; Organic polymerisable monomer is methyl methacrylate described in the step 5, EMA, n-BMA, isobutyl methacrylate, the just own ester of methacrylic acid, benzyl methacrylate, decyl-octyl methacrylate, lauryl methacrylate, the methacrylic acid stearate, methacrylic acid-α-hydroxyl ethyl ester, methacrylic acid-α-hydroxypropyl acrylate, methacrylic acid-3-chloro-2-hydroxypropyl acrylate, methacrylic acid-2,3-dibromo propyl ester, cyclohexyl methacrylate, styrene, polyethylene glycol dimethacrylate, ethylene glycol dimethacrylate, the diethylene glycol dimethylacrylate, the triethylene glycol dimethylacrylate, the TEG dimethylacrylate, one propane diols dimethylacrylate, the DPG dimethylacrylate, the tripropylene glycol dimethylacrylate, 1, combination or the allyl glycidyl ether of a kind of and allyl glycidyl ether in 3-butanediol dimethylacrylate and 1, the 4-butanediol dimethylacrylate; Initator described in the step 5 is azodiisobutyronitrile or benzoyl peroxide.
9. the described method of utilizing silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber according to Claim 8 is characterized in that adjusting pH value is 9 in the step 2.
10. the described method of utilizing silicon-containing compound to handle cell membrane and the combined modified timber in polymer tytosis chamber according to Claim 8 is characterized in that heating 20h in the step 7 under 100 ℃ of conditions.
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CN104139440A (en) * | 2014-06-21 | 2014-11-12 | 安徽省绿源工艺品有限责任公司 | Soak solution for salix integra woven material dyed by using amaranth and using method thereof |
CN105583926B (en) * | 2014-10-21 | 2017-11-07 | 贾超 | A kind of Wooden modifying decoction and preparation method |
CN107511903A (en) * | 2017-08-22 | 2017-12-26 | 安徽杰可森木业科技有限公司 | A kind of poplar sofening treatment method |
CN108381706A (en) * | 2018-03-05 | 2018-08-10 | 内乡县国平实木家具有限公司 | A kind of preparation method of silication timber |
CN109176794B (en) * | 2018-09-21 | 2021-03-23 | 四川大学 | Modifier and method for enhancing aroma retention of incense wood |
CN110227283B (en) * | 2019-06-24 | 2021-06-08 | 齐鲁工业大学 | Preparation method of super-hydrophobic lignin sponge with oil-water separation function |
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