CN106827137A - A kind of bamboo wood preparation method of anti-current mistake type mould inhibitor - Google Patents
A kind of bamboo wood preparation method of anti-current mistake type mould inhibitor Download PDFInfo
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- CN106827137A CN106827137A CN201611263178.0A CN201611263178A CN106827137A CN 106827137 A CN106827137 A CN 106827137A CN 201611263178 A CN201611263178 A CN 201611263178A CN 106827137 A CN106827137 A CN 106827137A
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- bamboo wood
- mould inhibitor
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- lysozyme
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 50
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 50
- 241001330002 Bambuseae Species 0.000 title claims abstract description 50
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 50
- 239000011425 bamboo Substances 0.000 title claims abstract description 50
- 239000002023 wood Substances 0.000 title claims abstract description 41
- 239000003112 inhibitor Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 235000010335 lysozyme Nutrition 0.000 claims abstract description 21
- 102000016943 Muramidase Human genes 0.000 claims abstract description 15
- 108010014251 Muramidase Proteins 0.000 claims abstract description 15
- 108010062010 N-Acetylmuramoyl-L-alanine Amidase Proteins 0.000 claims abstract description 15
- 239000004325 lysozyme Substances 0.000 claims abstract description 15
- 229960000274 lysozyme Drugs 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims description 28
- 239000000243 solution Substances 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 22
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 18
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- WHGYBXFWUBPSRW-FOUAGVGXSA-N beta-cyclodextrin Chemical class OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO WHGYBXFWUBPSRW-FOUAGVGXSA-N 0.000 claims description 12
- 239000006185 dispersion Substances 0.000 claims description 12
- 239000008236 heating water Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 11
- 150000002500 ions Chemical class 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000004375 Dextrin Substances 0.000 claims description 7
- 229920001353 Dextrin Polymers 0.000 claims description 7
- 235000019425 dextrin Nutrition 0.000 claims description 7
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 6
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical class CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 6
- 229960000583 acetic acid Drugs 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 6
- 239000001110 calcium chloride Substances 0.000 claims description 6
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 claims description 6
- 229940106681 chloroacetic acid Drugs 0.000 claims description 6
- 238000000502 dialysis Methods 0.000 claims description 6
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical class [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 6
- 239000012065 filter cake Substances 0.000 claims description 6
- 239000012362 glacial acetic acid Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 241000894006 Bacteria Species 0.000 claims description 5
- 102000004190 Enzymes Human genes 0.000 claims description 5
- 108090000790 Enzymes Proteins 0.000 claims description 5
- 239000000385 dialysis solution Substances 0.000 claims description 5
- 229940088598 enzyme Drugs 0.000 claims description 5
- 235000019799 monosodium phosphate Nutrition 0.000 claims description 4
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical class [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 13
- 229920000858 Cyclodextrin Polymers 0.000 abstract description 6
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000855 fungicidal effect Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 2
- 238000009395 breeding Methods 0.000 abstract description 2
- 230000001488 breeding effect Effects 0.000 abstract description 2
- 239000000701 coagulant Substances 0.000 abstract description 2
- 230000002538 fungal effect Effects 0.000 abstract description 2
- 239000008363 phosphate buffer Substances 0.000 abstract description 2
- 238000007711 solidification Methods 0.000 abstract description 2
- 230000008023 solidification Effects 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000003921 oil Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000002316 fumigant Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 description 1
- 230000003260 anti-sepsis Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 230000007321 biological mechanism Effects 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 229940089960 chloroacetate Drugs 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-M chloroacetate Chemical compound [O-]C(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-M 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000000630 fibrocyte Anatomy 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011864 timber preservative Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K9/00—Chemical or physical treatment of reed, straw, or similar material
- B27K9/002—Cane, bamboo
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/20—Removing fungi, molds or insects
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a kind of bamboo wood preparation method of anti-current mistake type mould inhibitor, belong to mould inhibitor preparing technical field.The present invention wraps up lysozyme by carboxymethyl-modification cyclodextrin, infiltrated into inside bamboo wood through the cyclodextrin of carboxymethyl-modification, lysozyme effectively decomposes the fungal cell film for being attached to bamboo material surface simultaneously, prevent it from growth and breeding, improve bamboo wood fungicidal properties, lysozyme is dispersed in phosphate buffer simultaneously, lysozyme is wrapped up by cyclodextrin and coagulant liquid is compounded to form with Ludox, fixation performance after enhancing mould inhibitor solidification with bamboo wood, effectively strengthen the fungicidal properties of bamboo wood, with wide prospect of the application.
Description
Technical field
The invention discloses a kind of bamboo wood preparation method of anti-current mistake type mould inhibitor, belong to mould inhibitor technology of preparing neck
Domain.
Background technology
As the rapid growth and the people of China's economy are pursued the stratification high lived, demand and day of the society to timber
It is all to increase.But China's timber resources is poor, but bamboo resource relative abundance, second forest reserves are described as, its area and yield
Occupy first place in the world, however, because bamboo growth is fast, cause that the content of its fibrocyte is few, parenchymal tissue is more.Secondly, bamboo wood
It is hydrophilic material, thus bamboo wood is in wet environment, during storage, transport and use, it is easy to which generation is gone mouldy, becomes
Color, damage by worms and the rotten processing that have impact on bamboo wood with utilize.Therefore, bamboo wood fungus-proof antisepsis are treated as bamboo wood industrialized utilization not
Can missing link, the sustainable use for bamboo timber resource is most important.
The going mouldy of bamboo wood and timber, worm stays substantially similar with rotten biological mechanism and Biochemical processes, and bamboo
Material and wood chemical compositions also have similitude with infringement bacterium.Therefore, bamboo wood can be referred from traditional wood preservation with anti-agent suddenly
Agent.But bamboo mould-proof agent can not mechanically apply mechanically wood preservation medicament, traditional timber preservative is continued to use completely can be brought
A series of problems, such as environmental problem, adaptability of medicament.Current bamboo wood is often generally divided into fumigant type antifoggant, oils with mould inhibitor
Anti- clouds agent, oil soluble(Carry)Mould inhibitor and water-soluble(Carry)Mould inhibitor.But existing fumigant type antifoggant, the anti-clouds agent of oils, oil soluble
(Carry)Mould inhibitor and water-soluble(Carry)Mould inhibitor is poor to the anchorage of bamboo wood, is easy to run off, and storage time is short, and easily by microorganism point
Solution, it is impossible to long term, causes bamboo wood mildew resistance to be lost in serious, it is impossible to long duration of action, so preparing a kind of bamboo wood anti-current
Mistake type mould inhibitor is necessary.
The content of the invention
Present invention mainly solves technical problem:It is poor in the presence of the anchorage to bamboo wood for existing bamboo mould-proof agent, easily
It is lost in, storage time is short, and is easily decomposed by the microorganisms, it is impossible to the problem of long term, there is provided a kind of carboxymethyl-modification ring
Dextrin wraps up lysozyme, is infiltrated into inside bamboo wood by the cyclodextrin of carboxymethyl-modification, while lysozyme effectively decomposes attachment
In the fungal cell film of bamboo material surface, prevent it from growth and breeding, the method for improving bamboo wood fungicidal properties, the present invention is pasted by ring
Smart and chloroacetate reaction is simultaneously grafted carboxymethyl group, improves the affine performance of cyclodextrin and bamboo wood, while lysozyme is dispersed to
In phosphate buffer, lysozyme is wrapped up by cyclodextrin and coagulant liquid is compounded to form with Ludox, after enhancing mould inhibitor solidification with
The fixation performance of bamboo wood, the effectively fungicidal properties of enhancing bamboo wood, with wide prospect of the application.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is:
(1)Choose 9~10g beta-schardinger dextrins to be placed in beaker, add the ammonia spirit of 25~30mL mass fractions 10%, stirring mixing
25~30min of heating water bath at being placed in 45~55 DEG C, after the completion for the treatment of heating water bath, to 10~15g0.8mol/ is added dropwise in beaker
L chloroacetic acid solutions, control time for adding for 65~70min, after being added dropwise to complete, 3~5h of insulation reaction;
(2)After the completion for the treatment of insulation reaction, pH to 9.5 is adjusted with glacial acetic acid solution, stands 25~30min, collect mixed liquor simultaneously
Mix with the stirring of 1000mL methyl alcohol, filtered after still aging 6~8h and collect filter cake, 2~3h is vacuum dried at room temperature, mill
Modified beta-schardinger dextrin powder is prepared into, it is standby;
(3)25~30mg lysozymes, 10~15g sodium dihydrogen phosphates, 5~8g disodium hydrogen phosphates is chosen to be placed in 1L volumetric flasks, plus
After water is settled to 1000mL, then 25~30min is stood at room temperature, be prepared into lysozyme dispersion liquid;
(4)Choose 0.2~0.5g steps(2)The modified beta-schardinger dextrin powder for preparing is placed in 200~300mL0.03~0.05mol/
In L calcium chloride solutions, after 1~2h of stirring mixing, ion chelating liquid is prepared into, then by volume 1:1, by the molten of above-mentioned preparation
Bacterium enzyme dispersion liquid mixes with the stirring of ion chelating liquid, and 2~3h of mixing is stirred at room temperature;
(5)After the completion of mixing to be mixed, collect mixed liquor and be placed in the bag filter of interception 3500,10~12h of dialysis treatment,
Dialyzate is collected to obtain, then is counted by weight, 10~15 parts of dialyzates, 25~30 parts of tetraethyl orthosilicates and 65~80 are weighed respectively
Part ethanol solution of mass fraction 65% is placed in beaker, 10~15min of ultrasonic disperse under 200~300W, you can be prepared into one kind
Bamboo wood anti-current mistake type mould inhibitor.
Application process of the invention:Choose the above-mentioned preparation anti-current mistake type mould inhibitors of 100~200g and 500~600mL water is mixed
Merging is placed in spray gun, and mould proof bamboo material surface needed for being sprayed under 5~10MPa, control anti-current mistake type mould inhibitor makes
Consumption is 100~150g/m2, it is to be sprayed after the completion of, stand and make it to dry naturally, you can complete bamboo wood material mould proof place
Reason.
The beneficial effects of the invention are as follows:
(1)After bamboo wood prepared by the present invention is soaked 20~25 days with anti-current mistake type mould inhibitor in water, mould inhibitor turnover rate is 5.2
~5.5%, the leach resistance of bamboo wood is effectively reduced, improve the service life of material;
(2)Preparation process of the present invention is simple, and safe green is pollution-free.
Specific embodiment
9~10g beta-schardinger dextrins are chosen first to be placed in beaker, add the ammonia spirit of 25~30mL mass fractions 10%, stirring
Mixing be placed in 45~55 DEG C at 25~30min of heating water bath, after the completion for the treatment of heating water bath, to being added dropwise 10 in beaker~
15g0.8mol/L chloroacetic acid solutions, control time for adding for 65~70min, after being added dropwise to complete, 3~5h of insulation reaction;Wait to protect
Temperature reaction after the completion of, with glacial acetic acid solution adjust pH to 9.5, stand 25~30min, collect mixed liquor and with 1000mL methyl alcohol
Stirring mixing, filtered after still aging 6~8h and collect filter cake, at room temperature be vacuum dried 2~3h, mill be prepared into modified β-
Cyclodextrin powder, it is standby;Choose 25~30mg lysozymes, 10~15g sodium dihydrogen phosphates, 5~8g disodium hydrogen phosphates and be placed in 1L appearances
In measuring bottle, add water after being settled to 1000mL, then stand 25~30min at room temperature, be prepared into lysozyme dispersion liquid;Choose 0.2
~0.5g steps(2)The modified beta-schardinger dextrin powder for preparing is placed in 200~300mL0.03~0.05mol/L calcium chloride solutions,
After 1~2h of stirring mixing, ion chelating liquid is prepared into, then by volume 1:1, by the lysozyme dispersion liquid of above-mentioned preparation with from
Son chelating liquid stirring mixing, is stirred at room temperature 2~3h of mixing;After the completion of mixing to be mixed, collect mixed liquor and be placed in retention
In the bag filter of amount 3500,10~12h of dialysis treatment collects to obtain dialyzate, then counts by weight, and 10~15 parts are weighed respectively
Dialyzate, 25~30 parts of tetraethyl orthosilicates and 65~80 parts of ethanol solutions of mass fraction 65% are placed in beaker, in 200~300W
10~15min of lower ultrasonic disperse, you can be prepared into a kind of bamboo wood anti-current mistake type mould inhibitor.
Example 1
9g beta-schardinger dextrins are chosen first to be placed in beaker, the ammonia spirit of 25mL mass fractions 10% is added, and stirring mixing is placed in 45
Heating water bath 25min at DEG C, treats after the completion of heating water bath, to 10g0.8mol/L chloroacetic acid solutions are added dropwise in beaker, control is added dropwise
Time is 65min, after being added dropwise to complete, insulation reaction 3h;Treat after the completion of insulation reaction, pH adjusted to 9.5 with glacial acetic acid solution,
Stand 25min, collect mixed liquor and with 1000mL methyl alcohol stirring mix, filtered after still aging 6h and collect filter cake, in room
The lower vacuum drying 2h of temperature, milling is prepared into modified beta-schardinger dextrin powder, standby;Choose 25mg lysozymes, 10g sodium dihydrogen phosphates,
5g disodium hydrogen phosphates are placed in 1L volumetric flasks, are added water after being settled to 1000mL, then stand 25min at room temperature, are prepared into bacteriolyze
Enzyme dispersion liquid;The modified beta-schardinger dextrin powder of 0.2g is chosen to be placed in 200mL0.03mol/L calcium chloride solutions, after stirring mixing 1h,
Ion chelating liquid is prepared into, then by volume 1:1, the lysozyme dispersion liquid of above-mentioned preparation and the stirring of ion chelating liquid is mixed
Close, mixing 2h is stirred at room temperature;After the completion of mixing to be mixed, collect mixed liquor and be placed in the bag filter of interception 3500,
Dialysis treatment 10h, collects to obtain dialyzate, then counts by weight, and 10 parts of dialyzates, 25 parts of tetraethyl orthosilicates and 65 are weighed respectively
Part ethanol solution of mass fraction 65% is placed in beaker, the ultrasonic disperse 10min under 200W, you can is prepared into a kind of bamboo wood and is used anti-
Loss type mould inhibitor.
Choose the above-mentioned preparation anti-current mistake type mould inhibitors of 100g to mix with 500mL water and be placed in spray gun, by it under 5MPa
Mould proof bamboo material surface needed for being sprayed to, it is 100g/m to control anti-current mistake type mould inhibitor usage amount2, it is to be sprayed after the completion of, stand
And it is dried naturally, you can complete the mould proof treatment of bamboo wood material.
Example 2
10g beta-schardinger dextrins are chosen first to be placed in beaker, the ammonia spirit of 27mL mass fractions 10% is added, and stirring mixing is placed in
Heating water bath 27min at 47 DEG C, treats after the completion of heating water bath, to 12g0.8mol/L chloroacetic acid solutions are added dropwise in beaker, control is dripped
It is 67min between the added-time, after being added dropwise to complete, insulation reaction 4h;After the completion for the treatment of insulation reaction, with glacial acetic acid solution adjust pH to
9.5, stand 27min, collect mixed liquor and with 1000mL methyl alcohol stirring mix, filter cake is filtered and collected after still aging 7h,
3h is vacuum dried at room temperature, is milled and is prepared into modified beta-schardinger dextrin powder, it is standby;Choose 27mg lysozymes, 12g biphosphates
Sodium, 7g disodium hydrogen phosphates are placed in 1L volumetric flasks, are added water after being settled to 1000mL, then stand 27min at room temperature, are prepared into molten
Bacterium enzyme dispersion liquid;Choose the modified beta-schardinger dextrin powder of 0.3g to be placed in 250mL0.04mol/L calcium chloride solutions, stirring mixing 2h
Afterwards, ion chelating liquid is prepared into, then by volume 1:1, the lysozyme dispersion liquid of above-mentioned preparation and ion chelating liquid are stirred
Mixing, is stirred at room temperature mixing 3h;After the completion of mixing to be mixed, the bag filter that mixed liquor is placed in interception 3500 is collected
In, dialysis treatment 11h collects to obtain dialyzate, then counts by weight, and 12 parts of dialyzates, 27 parts of tetraethyl orthosilicates are weighed respectively
It is placed in beaker with 72 parts of ethanol solutions of mass fraction 65%, the ultrasonic disperse 12min under 250W, you can be prepared into a kind of bamboo wood
With anti-current mistake type mould inhibitor.
Choose the above-mentioned preparation anti-current mistake type mould inhibitors of 110g to mix with 550mL water and be placed in spray gun, by it under 8MPa
Mould proof bamboo material surface needed for being sprayed to, it is 125g/m to control anti-current mistake type mould inhibitor usage amount2, it is to be sprayed after the completion of, stand
And it is dried naturally, you can complete the mould proof treatment of bamboo wood material.
Example 3
10g beta-schardinger dextrins are chosen first to be placed in beaker, the ammonia spirit of 30mL mass fractions 10% is added, and stirring mixing is placed in
Heating water bath 30min at 55 DEG C, treats after the completion of heating water bath, to 15g0.8mol/L chloroacetic acid solutions are added dropwise in beaker, control is dripped
It is 70min between the added-time, after being added dropwise to complete, insulation reaction 5h;After the completion for the treatment of insulation reaction, with glacial acetic acid solution adjust pH to
9.5, stand 30min, collect mixed liquor and with 1000mL methyl alcohol stirring mix, filter cake is filtered and collected after still aging 8h,
3h is vacuum dried at room temperature, is milled and is prepared into modified beta-schardinger dextrin powder, it is standby;Choose 30mg lysozymes, 15g biphosphates
Sodium, 8g disodium hydrogen phosphates are placed in 1L volumetric flasks, are added water after being settled to 1000mL, then stand 30min at room temperature, are prepared into molten
Bacterium enzyme dispersion liquid;Choose the modified beta-schardinger dextrin powder of 0.5g to be placed in 300mL0.05mol/L calcium chloride solutions, stirring mixing 2h
Afterwards, ion chelating liquid is prepared into, then by volume 1:1, the lysozyme dispersion liquid of above-mentioned preparation and ion chelating liquid are stirred
Mixing, is stirred at room temperature mixing 3h;After the completion of mixing to be mixed, the bag filter that mixed liquor is placed in interception 3500 is collected
In, dialysis treatment 12h collects to obtain dialyzate, then counts by weight, and 15 parts of dialyzates, 30 parts of tetraethyl orthosilicates are weighed respectively
It is placed in beaker with 80 parts of ethanol solutions of mass fraction 65%, the ultrasonic disperse 15min under 300W, you can be prepared into a kind of bamboo wood
With anti-current mistake type mould inhibitor.
Choose the above-mentioned preparation anti-current mistake type mould inhibitors of 200g to mix with 600mL water and be placed in spray gun, by it under 10MPa
Mould proof bamboo material surface needed for being sprayed to, it is 150g/m to control anti-current mistake type mould inhibitor usage amount2, it is to be sprayed after the completion of, stand
And it is dried naturally, you can complete the mould proof treatment of bamboo wood material.
Claims (1)
1. a kind of bamboo wood preparation method of anti-current mistake type mould inhibitor, it is characterised in that specific preparation process is:
(1)Choose 9~10g beta-schardinger dextrins to be placed in beaker, add the ammonia spirit of 25~30mL mass fractions 10%, stirring mixing
25~30min of heating water bath at being placed in 45~55 DEG C, after the completion for the treatment of heating water bath, to 10~15g0.8mol/ is added dropwise in beaker
L chloroacetic acid solutions, control time for adding for 65~70min, after being added dropwise to complete, 3~5h of insulation reaction;
(2)After the completion for the treatment of insulation reaction, pH to 9.5 is adjusted with glacial acetic acid solution, stands 25~30min, collect mixed liquor simultaneously
Mix with the stirring of 1000mL methyl alcohol, filtered after still aging 6~8h and collect filter cake, 2~3h is vacuum dried at room temperature, mill
Modified beta-schardinger dextrin powder is prepared into, it is standby;
(3)25~30mg lysozymes, 10~15g sodium dihydrogen phosphates, 5~8g disodium hydrogen phosphates is chosen to be placed in 1L volumetric flasks, plus
After water is settled to 1000mL, then 25~30min is stood at room temperature, be prepared into lysozyme dispersion liquid;
(4)Choose 0.2~0.5g steps(2)The modified beta-schardinger dextrin powder for preparing is placed in 200~300mL0.03~0.05mol/
In L calcium chloride solutions, after 1~2h of stirring mixing, ion chelating liquid is prepared into, then by volume 1:1, by the molten of above-mentioned preparation
Bacterium enzyme dispersion liquid mixes with the stirring of ion chelating liquid, and 2~3h of mixing is stirred at room temperature;
(5)After the completion of mixing to be mixed, collect mixed liquor and be placed in the bag filter of interception 3500,10~12h of dialysis treatment,
Dialyzate is collected to obtain, then is counted by weight, 10~15 parts of dialyzates, 25~30 parts of tetraethyl orthosilicates and 65~80 are weighed respectively
Part ethanol solution of mass fraction 65% is placed in beaker, 10~15min of ultrasonic disperse under 200~300W, you can be prepared into one kind
Bamboo wood anti-current mistake type mould inhibitor.
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CN114227845A (en) * | 2021-06-29 | 2022-03-25 | 苗凯 | Special anti-corrosion treatment method for branch artware |
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CN1198078A (en) * | 1996-06-17 | 1998-11-04 | 不二制油株式会社 | Preservatives and method for preservation against decay |
CN101134330A (en) * | 2007-09-14 | 2008-03-05 | 广西大学 | Silicon dioxide/timber composite material manufacturing method |
CN102138570A (en) * | 2011-01-31 | 2011-08-03 | 江南大学 | Combined bacteriostat with lysozyme |
CN104526806A (en) * | 2014-12-05 | 2015-04-22 | 中南林业科技大学 | Preparation method of bamboo/wood mildew-resistant antiseptic |
JP2015143311A (en) * | 2014-01-31 | 2015-08-06 | 国立大学法人鳥取大学 | Production method of cyclodextrin graft chitosan |
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CN1198078A (en) * | 1996-06-17 | 1998-11-04 | 不二制油株式会社 | Preservatives and method for preservation against decay |
CN101134330A (en) * | 2007-09-14 | 2008-03-05 | 广西大学 | Silicon dioxide/timber composite material manufacturing method |
CN102138570A (en) * | 2011-01-31 | 2011-08-03 | 江南大学 | Combined bacteriostat with lysozyme |
JP2015143311A (en) * | 2014-01-31 | 2015-08-06 | 国立大学法人鳥取大学 | Production method of cyclodextrin graft chitosan |
CN104526806A (en) * | 2014-12-05 | 2015-04-22 | 中南林业科技大学 | Preparation method of bamboo/wood mildew-resistant antiseptic |
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CN114227845A (en) * | 2021-06-29 | 2022-03-25 | 苗凯 | Special anti-corrosion treatment method for branch artware |
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