CN107297803A - A kind of softening mold-proof method of timber - Google Patents
A kind of softening mold-proof method of timber Download PDFInfo
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- CN107297803A CN107297803A CN201710353156.1A CN201710353156A CN107297803A CN 107297803 A CN107297803 A CN 107297803A CN 201710353156 A CN201710353156 A CN 201710353156A CN 107297803 A CN107297803 A CN 107297803A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/06—Softening or hardening of wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/025—Controlling the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/12—Impregnating by coating the surface of the wood with an impregnating paste
-
- 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
- B27K3/16—Inorganic impregnating agents
- B27K3/20—Compounds of alkali metals or ammonium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/36—Aliphatic 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
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/50—Mixtures of different organic impregnating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/0085—Thermal treatments, i.e. involving chemical modification of wood at temperatures well over 100°C
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/04—Combined bleaching or impregnating and drying of wood
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/70—Hydrophobation treatment
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Physics & Mathematics (AREA)
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention mainly relates to woodwork processing technique field, a kind of softening mold-proof method of timber is disclosed, including：Timber arrangement, the sour bubble of timber, timber alkali cleaning, timber blanching, the drying of wood, timber softening；Method is simple, is easy to operation, can carry out batch processing, by increasing capacitance it is possible to increase the pliability of timber, reduction being fractureed and being ftractureed using what process occurred, the rate of fractureing is down to 2.7%, cracking rate is down to 4.9%, mould proof time lengthening, hence it is evident that improve the performance of timber, income improves 9.6%；First it is placed in acetum and soaks after timber cutting, the also white granulated sugar containing high concentration in acetum, moisture can be promoted to enter lumber fibre, timber pH is reduced, accelerate softening lumber fibre, Angel wine yeast is accessed again to be fermented, the alcohol and bioactive ingredients of generation are penetrated into after lumber fibre, and interfibrous air hole structure can be increased through drying, improve timber suppleness, avoid the color and luster of timber from deepening, reduce processing vestige.
Description
Technical field
The invention mainly relates to the softening mold-proof method of woodwork processing technique field, more particularly to a kind of timber.
Background technology
Timber be China building and decoration in terms of common materials, with it is natural, environmentally friendly, attractive in appearance, maintain space humidity put down
The advantage of weighing apparatus, but timber is organic anisotropic material, is easily deformed in use, ftracture, absorb water, mouldy, worm
The defects such as moth；Now, more and more extensive with the purposes of timber, the softening of timber and mold-proof method also occur successively, but mesh
The softening of preceding timber and mold-proof method are carried out separately, and technique is complex, and the treatment fluid used in processing procedure contains
There are a variety of harmful chemical components, pollution environment can be all detrimental to health during the preparation and use of woodwork.
The content of the invention
In order to make up the defect of prior art, it is an object of the invention to provide a kind of softening mold-proof method of timber.
A kind of softening mold-proof method of timber, comprises the following steps：
（1）Timber is arranged：The bark of timber is divested, length and width as required carries out cutting, obtains timber base；
（2）Timber acid bubble：Timber base is placed in the volume fraction boiled in 1.2 ~ 1.4% acetum, in 75 ~ 80 DEG C of guarantors
Temperature immersion 9 ~ 10 hours, can promote moisture to enter lumber fibre, reduce timber pH, accelerate softening lumber fibre, it is cooled to 30 ~
35 DEG C, fermentation obtains sour bubble wood material；
（3）Timber alkali cleaning：Sour bubble wood material is placed in process chamber, to sour bubble wood material on uniform sprinkling mass concentration be 1.6 ~ 1.8%
Edible alkali solution, sprays 5 times repeatedly, neutralizes and is freezed and thawed after the acetic acid of residual in timber, and sprinkling, makes moisture anti-
It is changed into the crystallization water again, increases the space between cells of timber, improves timber pliability, obtain alkali cleaning timber；
（4）Timber blanching：Alkali cleaning timber is placed in blanching 120 ~ 150 minutes in steam, after taking-up, temperature is placed in for 90 ~ 95 DEG C
In treatment fluid, heat-insulation soaking 9 ~ 10 hours is gradually cooled to 75 ~ 80 DEG C, is incubated 7 ~ 8 hours, then is gradually cooled to 60 ~ 65 DEG C,
Insulation 6 ~ 7 hours, first carries out steam blanching, softens the surface fibre of timber, gradually reduces temperature and heat-insulation soaking, makes treatment fluid
Wood internal is fully infiltrated into, makes inside and outside timber color and luster consistent, suppleness is identical, is easy to the processing and utilization of timber, takes out, obtains blanching
Timber；
（5）The drying of wood：Blanching timber is placed in the baking oven that temperature is 86 ~ 88 DEG C, it is 36 ~ 40% to dry to water content, regulation
Temperature to 68 ~ 70 DEG C, dry to water content be 9 ~ 11%, timber is dried in low temperature baking oven, with moisture reduction by
Gradually reduce temperature, it is to avoid the hard brittleness of timber is improved caused by moisture moment distributes, and is improved pliability of wood, is obtained desiccated wood；
（6）Timber softens：The glycerite that volume fraction is 6 ~ 8% is sprayed to desiccated wood, based on wood weight, fountain height is
35 ~ 40ml/kg, 3 ~ 4 hours are stood in 11 ~ 13 DEG C, after continuously spraying 4 times, are placed in 52 ~ 54 DEG C of baking oven and are dried to water content
For 12 ~ 13%, moisture is penetrated into timber, then carry out low temperature drying, prevent timber from getting damp again, prolonging wood shelf life saves timber
Transport and the cost of storage, obtain softening timber.
The step（2）Acetum, also containing mass concentration be 7 ~ 9% white granulated sugar.
The step（2）Fermentation, Angel wine yeast is accessed into acetum, make mass concentration be 4 ~ 6%, mix
Close uniform, in 32 ~ 34 DEG C of heat-preservation fermentations 2 ~ 3 days, then be cooled to 18 ~ 20 DEG C, continue ferment at constant temperature 8 ~ 10 days, the alcohol of generation and
Bioactive ingredients are penetrated into after lumber fibre, and interfibrous air hole structure can be increased through drying, improve timber suppleness, it is to avoid
The color and luster of timber is deepened, and reduces processing vestige.
The step（3）Sprinkling, the temperature of process chamber is down to -20 ~ -18 DEG C after sprinkling, freezed 10 ~ 12 hours, will
Temperature is improved to 70 ~ 75 DEG C, after thawing completely, the edible alkali solution that mass concentration is 1.6 ~ 1.8% is sprayed again, after spraying 5 times
Thawed.
The step（4）Treatment fluid, be made up of the raw material of following parts by weight：Chitosan 24 ~ 26, Japanese polygala extract
1.2 ~ 1.4, conical conocephalum herb extract 1.2 ~ 1.4, glycine 0.27 ~ 0.29, procainamide 0.12 ~ 0.14, it is existing with existing when using
With, heated while stirring after adding water, make chitosan final mass concentration be 0.5 ~ 0.7%, the chitosan of addition be able to can be protected
The water content of timber is held, increases timber moisture resistance, Japanese polygala extract and conical conocephalum herb extract being capable of antibacterial desinsections, suppression timber
Mouldy to damage by worms, glycine and Shandong cacaine amine can quickly penetrate into timber, suppress timber oxidation, keep timber original color, must locate
Manage liquid.
Described Japanese polygala extract, is to crush Japanese polygala, adds the water of 90 ~ 100 times of amounts of Japanese polygala weight, and heating is boiled
After boiling, it is original 1/10 that small fire, which is decocted to volume, and filtering adds egg, and the mass concentration for making egg is 0.2 ~ 0.4%,
It is well mixed, filtering, except precipitation, it is 6 ~ 8% that filtrate, which is dried to water content, obtains Japanese polygala extract.
Described conical conocephalum herb extract, is to crush conical conocephalum herb, adds the water of 130 ~ 150 times of amounts of conical conocephalum herb weight, heating
After boiling, it is original 1/10 that small fire, which is decocted to volume, and filtering adds the volume integral of 60 ~ 70 times of amounts of filter residue weight into filter residue
The alcoholic solution of number 65 ~ 67%, in 40 ~ 42 DEG C, 30 ~ 32kHz ultrasounds 20 ~ 25 minutes, filtering merges all filtrates, and drying is to containing
Water is 6 ~ 8%, obtains conical conocephalum herb extract.
The step（4）Gradually cooling, cooling rate be 0.3 ~ 0.4 DEG C/min.
The softening mold-proof method of the timber, obtained softening timber.
It is described softening timber application method, prepare moulding when, will softening timber be fixed after, in steam blanching 3 ~
4 hours, be 12 ~ 13% then at 108 ~ 110 DEG C of drying to water content.
It is an advantage of the invention that：A kind of softening mold-proof method for timber that the present invention is provided, method is simple, is easy to operation,
Batch processing can be carried out, by increasing capacitance it is possible to increase the pliability of timber, improve 10.2%, reduction being fractureed and being ftractureed using what process occurred, is made
The rate of fractureing is down to 2.7%, and cracking rate is down to 4.9%, mould proof time lengthening, hence it is evident that improve the performance of timber, and income is carried
It is high by 9.6%；The also white granulated sugar containing high concentration is first placed in acetum in immersion, acetum after timber cutting, can be promoted
Moisture enters lumber fibre, reduces timber pH, quickening softening lumber fibre, then accesses Angel wine yeast and fermented, is produced
Raw alcohol and bioactive ingredients are penetrated into after lumber fibre, and interfibrous air hole structure can be increased through drying, improve timber
Suppleness, it is to avoid the color and luster of timber is deepened, reduces processing vestige；The backward timber that ferments repeatedly sprays edible alkali solution, neutralizes wood
Freezed and thawed after the acetic acid of residual, and sprinkling in material, moisture is changed into the crystallization water repeatedly, increase the iuntercellular of timber
Gap, improves timber pliability；Timber is subjected to blanching after alkali cleaning, steam blanching is first carried out, softens the surface fibre of timber, gradually
Temperature and heat-insulation soaking are reduced, treatment fluid is fully infiltrated into wood internal, makes inside and outside timber that color and luster is consistent, suppleness is identical, just
In the processing and utilization of timber, treatment fluid contains Multiple components, and the chitosan of addition can keep the water content of timber, increase
Timber moisture resistance, Japanese polygala extract and conical conocephalum herb extract can antibacterial desinsection, suppress that timber is mouldy damages by worms, glycine and Shandong
Cacaine amine can quickly penetrate into timber, suppress timber oxidation, keep timber original color；After blanching by timber in low temperature baking oven
It is dried, temperature is gradually reduced with the reduction of moisture, it is to avoid the hard brittleness of timber is improved caused by moisture moment distributes, and is improved
Pliability of wood；Backward timber sprinkling glycerite is dried, and carries out low temperature placement, moisture is penetrated into timber, then carry out low temperature
Drying, prevents timber from getting damp again, prolonging wood shelf life, saves transport and the cost of storage of timber.
Embodiment
Illustrate the present invention with specific embodiment below.
Embodiment 1
A kind of softening mold-proof method of timber, comprises the following steps：
（1）Timber is arranged：The bark of timber is divested, length and width as required carries out cutting, obtains timber base；
（2）Timber acid bubble：Timber base is placed in the volume fraction boiled in 1.2% acetum, in 75 ~ 80 DEG C of insulation leachings
Bubble 9 hours, can promote moisture to enter lumber fibre, reduce timber pH, accelerate softening lumber fibre, be cooled to 30 ~ 35 DEG C, hair
Ferment, obtains sour bubble wood material；
（3）Timber alkali cleaning：Sour bubble wood material is placed in process chamber, to sour bubble wood material on uniform sprinkling mass concentration for 1.6% it is edible
Aqueous slkali, sprays 5 times repeatedly, neutralizes and is freezed and thawed after the acetic acid of residual in timber, and sprinkling, moisture is become repeatedly
For the crystallization water, increase the space between cells of timber, improve timber pliability, obtain alkali cleaning timber；
（4）Timber blanching：Alkali cleaning timber is placed in blanching 120 minutes in steam, after taking-up, it is 90 ~ 95 DEG C of processing to be placed in temperature
In liquid, heat-insulation soaking 9 hours is gradually cooled to 75 ~ 80 DEG C, is incubated 7 hours, then is gradually cooled to 60 ~ 65 DEG C, is incubated 6 hours,
Steam blanching is first carried out, softens the surface fibre of timber, temperature and heat-insulation soaking is gradually reduced, treatment fluid is fully infiltrated into timber
Inside, makes inside and outside timber color and luster consistent, suppleness is identical, is easy to the processing and utilization of timber, takes out, obtains blanching timber；
（5）The drying of wood：Blanching timber is placed in the baking oven that temperature is 86 DEG C, it is 36 ~ 40% to dry to water content, regulation temperature
Degree is to 68 DEG C, and it is 9 ~ 11% to dry to water content, and timber is dried in low temperature baking oven, gradually dropped with the reduction of moisture
Low temperature, it is to avoid the hard brittleness of timber is improved caused by moisture moment distributes, and is improved pliability of wood, is obtained desiccated wood；
（6）Timber softens：The glycerite that volume fraction is 6% is sprayed to desiccated wood, based on wood weight, fountain height is
35ml/kg, 3 hours are stood in 11 DEG C, after continuously spraying 4 times, and it is 12 ~ 13% to water content to be placed in 52 DEG C of baking oven dry, is made
Moisture penetrates into timber, then carries out low temperature drying, prevents timber from getting damp again, prolonging wood shelf life, saves the transport and storage of timber
Cost, obtains softening timber.
The step（2）Acetum, also containing mass concentration be 7% white granulated sugar.
The step（2）Fermentation, Angel wine yeast is accessed into acetum, make mass concentration be 4%, mixing
Uniformly, 18 DEG C are cooled in 32 DEG C of heat-preservation fermentations 2 days, then, continues ferment at constant temperature 8 days, the alcohol and bioactive ingredients of generation
Penetrate into after lumber fibre, interfibrous air hole structure can be increased through drying, improve timber suppleness, it is to avoid the color and luster of timber adds
It is deep, reduce processing vestige.
The step（3）Sprinkling, the temperature of process chamber is down to -20 DEG C after sprinkling, freezes 10 hours, temperature is improved
To 70 ~ 75 DEG C, after thawing completely, the edible alkali solution that mass concentration is 1.6% is sprayed again, is thawed after spraying 5 times.
The step（4）Treatment fluid, be made up of the raw material of following parts by weight：Chitosan 24, Japanese polygala extract 1.2,
Conical conocephalum herb extract 1.2, glycine 0.27, procainamide 0.12, it is now with the current when using, heated while stirring after adding water,
The final mass concentration for making chitosan is 0.5%, and the chitosan of addition can keep the water content of timber, and increase timber is prevented
Tide, Japanese polygala extract and conical conocephalum herb extract can antibacterial desinsection, suppress that timber is mouldy damages by worms, glycine and Shandong cacaine amine
Timber can be quickly penetrated into, suppresses timber oxidation, keeps timber original color, obtain treatment fluid.
Described Japanese polygala extract, is to crush Japanese polygala, adds the water of 90 times of amounts of Japanese polygala weight, and heating is boiled
Afterwards, it is original 1/10 that small fire, which is decocted to volume, and filtering adds egg, and the mass concentration for making egg is 0.2%, and mixing is equal
It is even, filtering, except precipitation, it is 6 ~ 8% that filtrate, which is dried to water content, obtains Japanese polygala extract.
Described conical conocephalum herb extract, is to crush conical conocephalum herb, adds the water of 130 times of amounts of conical conocephalum herb weight, and heating is boiled
Afterwards, it is original 1/10 that small fire, which is decocted to volume, and filtering adds the volume fraction 65% of 60 times of amounts of filter residue weight into filter residue
Alcoholic solution, in 40 DEG C, 30kHz ultrasounds 20 minutes, filtering merges all filtrates, and drying to water content is 6 ~ 8%, obtains conical conocephalum herb
Extract.
The step（4）Gradually cooling, cooling rate be 0.3 DEG C/min.
The softening mold-proof method of the timber, obtained softening timber.
It is described softening timber application method, prepare moulding when, will softening timber be fixed after, in steam blanching 3 ~
4 hours, be 12 ~ 13% then at 108 ~ 110 DEG C of drying to water content.
Embodiment 2
A kind of softening mold-proof method of timber, comprises the following steps：
（1）Timber is arranged：The bark of timber is divested, length and width as required carries out cutting, obtains timber base；
（2）Timber acid bubble：Timber base is placed in the volume fraction boiled in 1.3% acetum, in 75 ~ 80 DEG C of insulation leachings
Bubble 9 hours, can promote moisture to enter lumber fibre, reduce timber pH, accelerate softening lumber fibre, be cooled to 30 ~ 35 DEG C, hair
Ferment, obtains sour bubble wood material；
（3）Timber alkali cleaning：Sour bubble wood material is placed in process chamber, to sour bubble wood material on uniform sprinkling mass concentration for 1.7% it is edible
Aqueous slkali, sprays 5 times repeatedly, neutralizes and is freezed and thawed after the acetic acid of residual in timber, and sprinkling, moisture is become repeatedly
For the crystallization water, increase the space between cells of timber, improve timber pliability, obtain alkali cleaning timber；
（4）Timber blanching：Alkali cleaning timber is placed in blanching 140 minutes in steam, after taking-up, it is 90 ~ 95 DEG C of processing to be placed in temperature
In liquid, heat-insulation soaking 9 hours is gradually cooled to 75 ~ 80 DEG C, is incubated 8 hours, then is gradually cooled to 60 ~ 65 DEG C, is incubated 6 hours,
Steam blanching is first carried out, softens the surface fibre of timber, temperature and heat-insulation soaking is gradually reduced, treatment fluid is fully infiltrated into timber
Inside, makes inside and outside timber color and luster consistent, suppleness is identical, is easy to the processing and utilization of timber, takes out, obtains blanching timber；
（5）The drying of wood：Blanching timber is placed in the baking oven that temperature is 87 DEG C, it is 36 ~ 40% to dry to water content, regulation temperature
Degree is to 69 DEG C, and it is 9 ~ 11% to dry to water content, and timber is dried in low temperature baking oven, gradually dropped with the reduction of moisture
Low temperature, it is to avoid the hard brittleness of timber is improved caused by moisture moment distributes, and is improved pliability of wood, is obtained desiccated wood；
（6）Timber softens：The glycerite that volume fraction is 7% is sprayed to desiccated wood, based on wood weight, fountain height is
38ml/kg, 3 hours are stood in 12 DEG C, after continuously spraying 4 times, and it is 12 ~ 13% to water content to be placed in 53 DEG C of baking oven dry, is made
Moisture penetrates into timber, then carries out low temperature drying, prevents timber from getting damp again, prolonging wood shelf life, saves the transport and storage of timber
Cost, obtains softening timber.
The step（2）Acetum, also containing mass concentration be 8% white granulated sugar.
The step（2）Fermentation, Angel wine yeast is accessed into acetum, make mass concentration be 5%, mixing
Uniformly, 19 DEG C are cooled in 33 DEG C of heat-preservation fermentations 2 days, then, continues ferment at constant temperature 9 days, the alcohol and bioactive ingredients of generation
Penetrate into after lumber fibre, interfibrous air hole structure can be increased through drying, improve timber suppleness, it is to avoid the color and luster of timber adds
It is deep, reduce processing vestige.
The step（3）Sprinkling, the temperature of process chamber is down to -19 DEG C after sprinkling, freezes 11 hours, temperature is improved
To 70 ~ 75 DEG C, after thawing completely, the edible alkali solution that mass concentration is 1.7% is sprayed again, is thawed after spraying 5 times.
The step（4）Treatment fluid, be made up of the raw material of following parts by weight：Chitosan 25, Japanese polygala extract 1.3,
Conical conocephalum herb extract 1.3, glycine 0.28, procainamide 0.13, it is now with the current when using, heated while stirring after adding water,
The final mass concentration for making chitosan is 0.6%, and the chitosan of addition can keep the water content of timber, and increase timber is prevented
Tide, Japanese polygala extract and conical conocephalum herb extract can antibacterial desinsection, suppress that timber is mouldy damages by worms, glycine and Shandong cacaine amine
Timber can be quickly penetrated into, suppresses timber oxidation, keeps timber original color, obtain treatment fluid.
Described Japanese polygala extract, is to crush Japanese polygala, adds the water of 95 times of amounts of Japanese polygala weight, and heating is boiled
Afterwards, it is original 1/10 that small fire, which is decocted to volume, and filtering adds egg, and the mass concentration for making egg is 0.3%, and mixing is equal
It is even, filtering, except precipitation, it is 6 ~ 8% that filtrate, which is dried to water content, obtains Japanese polygala extract.
Described conical conocephalum herb extract, is to crush conical conocephalum herb, adds the water of 140 times of amounts of conical conocephalum herb weight, and heating is boiled
Afterwards, it is original 1/10 that small fire, which is decocted to volume, and filtering adds the volume fraction 66% of 60 ~ 70 times of amounts of filter residue weight into filter residue
Alcoholic solution, in 41 DEG C, 31kHz ultrasounds 20 minutes, filtering merges all filtrates, and drying to water content is 6 ~ 8%, with obtaining snake
Money extract.
The step（4）Gradually cooling, cooling rate be 0.3 ~ 0.4 DEG C/min.
The softening mold-proof method of the timber, obtained softening timber.
It is described softening timber application method, prepare moulding when, will softening timber be fixed after, in steam blanching 3 ~
4 hours, be 12 ~ 13% then at 108 ~ 110 DEG C of drying to water content.
Embodiment 3
A kind of softening mold-proof method of timber, comprises the following steps：
（1）Timber is arranged：The bark of timber is divested, length and width as required carries out cutting, obtains timber base；
（2）Timber acid bubble：Timber base is placed in the volume fraction boiled in 1.4% acetum, in 75 ~ 80 DEG C of insulation leachings
Bubble 10 hours, can promote moisture to enter lumber fibre, reduce timber pH, accelerate softening lumber fibre, be cooled to 30 ~ 35 DEG C,
Fermentation, obtains sour bubble wood material；
（3）Timber alkali cleaning：Sour bubble wood material is placed in process chamber, to sour bubble wood material on uniform sprinkling mass concentration for 1.8% it is edible
Aqueous slkali, sprays 5 times repeatedly, neutralizes and is freezed and thawed after the acetic acid of residual in timber, and sprinkling, moisture is become repeatedly
For the crystallization water, increase the space between cells of timber, improve timber pliability, obtain alkali cleaning timber；
（4）Timber blanching：Alkali cleaning timber is placed in blanching 150 minutes in steam, after taking-up, it is 90 ~ 95 DEG C of processing to be placed in temperature
In liquid, heat-insulation soaking 10 hours is gradually cooled to 75 ~ 80 DEG C, is incubated 8 hours, then is gradually cooled to 60 ~ 65 DEG C, and insulation 7 is small
When, steam blanching is first carried out, softens the surface fibre of timber, temperature and heat-insulation soaking is gradually reduced, is fully infiltrated into treatment fluid
Wood internal, makes inside and outside timber color and luster consistent, suppleness is identical, is easy to the processing and utilization of timber, takes out, obtains blanching timber；
（5）The drying of wood：Blanching timber is placed in the baking oven that temperature is 88 DEG C, it is 36 ~ 40% to dry to water content, regulation temperature
Degree is to 70 DEG C, and it is 9 ~ 11% to dry to water content, and timber is dried in low temperature baking oven, gradually dropped with the reduction of moisture
Low temperature, it is to avoid the hard brittleness of timber is improved caused by moisture moment distributes, and is improved pliability of wood, is obtained desiccated wood；
（6）Timber softens：The glycerite that volume fraction is 8% is sprayed to desiccated wood, based on wood weight, fountain height is
40ml/kg, 4 hours are stood in 13 DEG C, after continuously spraying 4 times, and it is 12 ~ 13% to water content to be placed in 54 DEG C of baking oven dry, is made
Moisture penetrates into timber, then carries out low temperature drying, prevents timber from getting damp again, prolonging wood shelf life, saves the transport and storage of timber
Cost, obtains softening timber.
The step（2）Acetum, also containing mass concentration be 9% white granulated sugar.
The step（2）Fermentation, Angel wine yeast is accessed into acetum, make mass concentration be 6%, mixing
Uniformly, 20 DEG C are cooled in 34 DEG C of heat-preservation fermentations 3 days, then, continues ferment at constant temperature 10 days, the alcohol and bioactive ingredients of generation
Penetrate into after lumber fibre, interfibrous air hole structure can be increased through drying, improve timber suppleness, it is to avoid the color and luster of timber adds
It is deep, reduce processing vestige.
The step（3）Sprinkling, the temperature of process chamber is down to -18 DEG C after sprinkling, freezes 12 hours, temperature is improved
To 70 ~ 75 DEG C, after thawing completely, the edible alkali solution that mass concentration is 1.8% is sprayed again, is thawed after spraying 5 times.
The step（4）Treatment fluid, be made up of the raw material of following parts by weight：Chitosan 26, Japanese polygala extract 1.4,
Conical conocephalum herb extract 1.4, glycine 0.29, procainamide 0.14, it is now with the current when using, heated while stirring after adding water,
The final mass concentration for making chitosan is 0.7%, and the chitosan of addition can keep the water content of timber, and increase timber is prevented
Tide, Japanese polygala extract and conical conocephalum herb extract can antibacterial desinsection, suppress that timber is mouldy damages by worms, glycine and Shandong cacaine amine
Timber can be quickly penetrated into, suppresses timber oxidation, keeps timber original color, obtain treatment fluid.
Described Japanese polygala extract, is to crush Japanese polygala, adds the water of 100 times of amounts of Japanese polygala weight, and heating is boiled
Afterwards, it is original 1/10 that small fire, which is decocted to volume, and filtering adds egg, and the mass concentration for making egg is 0.4%, and mixing is equal
It is even, filtering, except precipitation, it is 6 ~ 8% that filtrate, which is dried to water content, obtains Japanese polygala extract.
Described conical conocephalum herb extract, is to crush conical conocephalum herb, adds the water of 150 times of amounts of conical conocephalum herb weight, and heating is boiled
Afterwards, it is original 1/10 that small fire, which is decocted to volume, and filtering adds the volume fraction 67% of 70 times of amounts of filter residue weight into filter residue
Alcoholic solution, in 42 DEG C, 32kHz ultrasounds 25 minutes, filtering merges all filtrates, and drying to water content is 6 ~ 8%, obtains conical conocephalum herb
Extract.
The step（4）Gradually cooling, cooling rate be 0.4 DEG C/min.
The softening mold-proof method of the timber, obtained softening timber.
It is described softening timber application method, prepare moulding when, will softening timber be fixed after, in steam blanching 3 ~
4 hours, be 12 ~ 13% then at 108 ~ 110 DEG C of drying to water content.
Comparative example 1
Removal step（2）, remaining method, be the same as Example 1.
Comparative example 2
Removal step（3）, remaining method, be the same as Example 1.
Comparative example 3
Removal step（4）, remaining method, be the same as Example 1.
Comparative example 4
Removal step（5）, remaining method, be the same as Example 1.
Comparative example 5
Removal step（6）, remaining method, be the same as Example 1.
Comparative example 6
The steam softening method of existing timber.
The bating effect of embodiment and comparative example timber softening method：
In Anhui Province Funan area, 1000 pieces of the poplar wood that selection size is 40cm × 40cm, thickness is 4cm is randomly divided into
10 groups, every group 100 pieces, respectively embodiment group, comparative example group and blank group, each group are softened according to the method for the group respectively
Processing, blank group does not carry out any processing, and other method all sames are detected after being disposed, and is placed in temperature for 35 DEG C, wet
Spend in the environment for 85% and carry out the effect detection of anti-mould and anti-moth, the bating effect of embodiment and comparative example timber softening method is shown in
Table 1.
Table 1：The bating effect of embodiment and comparative example timber softening method
| Project | Suppleness is improved（%） | Fracture rate（%） | Cracking rate（%） | Occur it is mouldy damage by worms/(my god) |
| Embodiment 1 | 9.7 | 2.9 | 5.3 | 25~26 |
| Embodiment 2 | 10.2 | 2.7 | 5.5 | 25~26 |
| Embodiment 3 | 9.3 | 3.1 | 4.9 | 25~26 |
| Comparative example 1 | 7.8 | 5.3 | 8.9 | 17~18 |
| Comparative example 2 | 6.9 | 7.2 | 8.7 | 17~18 |
| Comparative example 3 | 7.2 | 6.5 | 9.2 | 15~16 |
| Comparative example 4 | 8.1 | 7.3 | 8.8 | 16~17 |
| Comparative example 5 | 7.5 | 8.1 | 9.4 | 15~16 |
| Comparative example 6 | 5.3 | 9.2 | 10.6 | 9~10 |
| Blank group | — | 10.9 | 14.4 | 3~4 |
Note："-" indicate without.
Show from the result of table 1, the softening mold-proof method of embodiment timber, the suppleness of timber improves, fractureed after processing
Rate, cracking rate and the appearance mouldy time damaged by worms are substantially better than comparative example, illustrate the mould proof side of softening for the timber that the present invention is provided
Method has good bating effect.
Claims (10)
1. the softening mold-proof method of a kind of timber, it is characterised in that comprise the following steps：
（1）Timber is arranged：The bark of timber is divested, length and width as required carries out cutting, obtains timber base；
（2）Timber acid bubble：Timber base is placed in the volume fraction boiled in 1.2 ~ 1.4% acetum, in 75 ~ 80 DEG C of guarantors
Temperature immersion 9 ~ 10 hours, is cooled to 30 ~ 35 DEG C, fermentation obtains sour bubble wood material；
（3）Timber alkali cleaning：Sour bubble wood material is placed in process chamber, to sour bubble wood material on uniform sprinkling mass concentration be 1.6 ~ 1.8%
Edible alkali solution, sprays 5 times, obtains alkali cleaning timber repeatedly；
（4）Timber blanching：Alkali cleaning timber is placed in blanching 120 ~ 150 minutes in steam, after taking-up, temperature is placed in for 90 ~ 95 DEG C
In treatment fluid, heat-insulation soaking 9 ~ 10 hours is gradually cooled to 75 ~ 80 DEG C, is incubated 7 ~ 8 hours, then is gradually cooled to 60 ~ 65 DEG C,
Insulation 6 ~ 7 hours, takes out, obtains blanching timber；
（5）The drying of wood：Blanching timber is placed in the baking oven that temperature is 86 ~ 88 DEG C, it is 36 ~ 40% to dry to water content, regulation
Temperature is to 68 ~ 70 DEG C, and it is 9 ~ 11% to dry to water content, obtains desiccated wood；
（6）Timber softens：The glycerite that volume fraction is 6 ~ 8% is sprayed to desiccated wood, based on wood weight, fountain height is
35 ~ 40ml/kg, 3 ~ 4 hours are stood in 11 ~ 13 DEG C, after continuously spraying 4 times, are placed in 52 ~ 54 DEG C of baking oven and are dried to water content
For 12 ~ 13%, softening timber is obtained.
2. the softening mold-proof method of timber according to claim 1, it is characterised in that the step（2）Acetum, also
Contain the white granulated sugar that mass concentration is 7 ~ 9%.
3. the softening mold-proof method of timber according to claim 1, it is characterised in that the step（2）Fermentation, to acetic acid
Angel wine yeast is accessed in solution, it is 4 ~ 6% to make mass concentration, is well mixed, in 32 ~ 34 DEG C of heat-preservation fermentations 2 ~ 3 days, then
18 ~ 20 DEG C are cooled to, continues ferment at constant temperature 8 ~ 10 days.
4. the softening mold-proof method of timber according to claim 1, it is characterised in that the step（3）Sprinkling, after sprinkling
The temperature of process chamber is down to -20 ~ -18 DEG C, freezes 10 ~ 12 hours, temperature is improved to 70 ~ 75 DEG C, after thawing completely, again
The edible alkali solution that mass concentration is 1.6 ~ 1.8% is sprayed, is thawed after spraying 5 times.
5. the softening mold-proof method of timber according to claim 1, it is characterised in that the step（4）Treatment fluid, by with
The raw material of lower parts by weight is made：Chitosan 24 ~ 26, Japanese polygala extract 1.2 ~ 1.4, conical conocephalum herb extract 1.2 ~ 1.4, glycine
0.27 ~ 0.29, procainamide 0.12 ~ 0.14, now with the current when using, and is heated while stirring after adding water, and makes chitosan most
Whole mass concentration is 0.5 ~ 0.7%, obtains treatment fluid.
6. the softening mold-proof method of timber according to claim 5, it is characterised in that described Japanese polygala extract, be by
Japanese polygala is crushed, and adds the water of 90 ~ 100 times of amounts of Japanese polygala weight, after heating is boiled, and it is original 1/ that small fire, which is decocted to volume,
10, filtering adds egg, and the mass concentration for making egg is 0.2 ~ 0.4%, is well mixed, and filtering, except precipitation, filtrate is dried
It is 6 ~ 8% to do to water content, obtains Japanese polygala extract.
7. the softening mold-proof method of timber according to claim 5, it is characterised in that described conical conocephalum herb extract, be by
Conical conocephalum herb is crushed, and adds the water of 130 ~ 150 times of amounts of conical conocephalum herb weight, after heating is boiled, and it is original 1/ that small fire, which is decocted to volume,
10, filtering adds the alcoholic solution of the volume fraction 65 ~ 67% of 60 ~ 70 times of amounts of filter residue weight into filter residue, in 40 ~ 42 DEG C, 30 ~
32kHz ultrasounds 20 ~ 25 minutes, filtering merges all filtrates, and drying to water content is 6 ~ 8%, obtains conical conocephalum herb extract.
8. the softening mold-proof method of timber according to claim 1, it is characterised in that the step（4）Gradually cooling, drop
Warm speed is 0.3 ~ 0.4 DEG C/min.
9. according to the softening mold-proof method of any one of claim 1 ~ 8 timber, obtained softening timber.
10. soften the application method of timber according to claim 9, when preparing moulding, after softening timber is fixed, in
Blanching 3 ~ 4 hours in steam, are 12 ~ 13% then at 108 ~ 110 DEG C of drying to water content.
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| CN111152323A (en) * | 2019-12-05 | 2020-05-15 | 安徽德润工艺品有限公司 | Salix integra branch softening and peeling method capable of reducing damage |
| CN111300566A (en) * | 2019-12-10 | 2020-06-19 | 闵连根 | Energy-saving redwood straightening process |
| CN111873053A (en) * | 2020-07-25 | 2020-11-03 | 黄冬冬 | Slotted hole forming process of printed circuit board |
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Application publication date: 20171027 |