CN106985237B - A kind of preparation method of wooden cultural relic dehydration shaping strengthening agent - Google Patents
A kind of preparation method of wooden cultural relic dehydration shaping strengthening agent Download PDFInfo
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- CN106985237B CN106985237B CN201710266477.8A CN201710266477A CN106985237B CN 106985237 B CN106985237 B CN 106985237B CN 201710266477 A CN201710266477 A CN 201710266477A CN 106985237 B CN106985237 B CN 106985237B
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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
- 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
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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
- B27K2240/20—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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- 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
- B27K2240/90—UV-protection
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The present invention relates to the preparation method of wooden cultural relic dehydration shaping consolidation process agent, belongs to historical relic and reinforces preparing technical field.The present invention first fries Oleum Verniciae fordii and Brazil wax through steaming, purification, obtain wood wax oil, Oleum Verniciae fordii in wood wax oil can penetrate into inside historical relic, historical relic is carried out to moisten maintenance, and can antisepsis and sterilization, palm wax can be combined with the fibre compact of historical relic, increase the intensity of historical relic, and play a part of waterproof, it is hydrolyzed again by raw material of HMDO, its hydrolysate can be with the hydroxyl reaction in timber, silica dioxide gel is set to be combined closely in the form of chemical bond with timber, reduce the hydroscopicity of timber, titanium dioxide is equipped with again, titanium dioxide can increase the ageing-resistant performance of historical relic, wooden cultural relic dehydration shaping consolidation process agent prepared by the present invention can carry out dehydration filling to wooden cultural relic, antiseptic insect-repelling, reinforce, moistureproof and waterproof etc. is protected, life 6~8 years.
Description
Technical field
The present invention relates to the preparation method of wooden cultural relic dehydration shaping strengthening agent, belongs to historical relic reinforcement technique field.
Background technology
Timber is widespread in nature, and it processes simple, is one of material that the mankind use earliest, therefore wooden text
Thing is one of most common historical relic in archaeology.Unearthed wooden cultural relic due to burying in underground, often containing a large amount of water for a long time
Point.Although surface is bright and new when being unearthed, due to being soaked for a long time in underground water, and decomposed by Soil Microorganism, in it
Rot in portion.Therefore, the dehydration shaping of waterlogged wooden culture relics is reinforced where the always heavy difficult point in wooden cultural relic protection field.
Although waterlogged wooden culture relics remain in that intact, its substantial internal polysaccharide component on the surface
（Cellulose and hemicellulose）Seriously degrade, cell wall structure is broken to can't bear, if before it is dried without appropriate dehydration
Consolidation process, serious deformation, cracking will occur or even damage.Traditional waterlogged wooden culture relics dehydration shaping reinforcement means includes
Alum method, sucrose method, resin method, polyethylene glycol method, alcohol ether connect leaching method and glyoxal method etc., but they have suction acid tide respectively
Solve, easily go mouldy, poor permeability, low intensity, strong toxicity the shortcomings of, still must be to explore better method and effort therefore.
With flourishing for modern polymer science technology, synthesis polymer reactant is applied to historical relic more and more
Protection, specific in terms of waterlogged wooden culture relics protection.The use of synthesis macromolecule most efficient method is that monomer infiltration polymerize
Method, compared with the resin and polyethylene glycol of HMW, the monomer of small-molecular-weight is easier to penetrate into the inside of waterlogged wooden culture relics,
With more preferable penetration depth, processing time can be shortened；Compared with alum, sucrose, the polymer substance after polymerization has more preferable
Water proofing property and antibiotic property；Meanwhile macromolecule modifiability is strong, can be easily modified as needed.It is but big
More synthesis polymer reactants have ageing-resistant performance and the relatively poor weakness of water resistance, and reaction condition is relatively violent.Cause
This, is badly in need of finding a kind of water resistance is good, ageing-resistant performance is good method to carry out being dehydrated anti-corrosion sizing consolidation process to historical relic.
The content of the invention
The technical problems to be solved by the invention：Synthesis height for being conventionally used to wooden cultural relic dehydration shaping consolidation process
A kind of the shortcomings that molecular agents water resistance and loss of properties on aging, there is provided preparation side of wooden cultural relic dehydration shaping strengthening agent
Method.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
（1）The ripe bancoul nuts of 1~3kg are weighed, are placed under the sun after being exposed to the sun to bancoul nuts and splitting, through shelling, picking, water
Wash, dry, crush and sieve, obtain sieving, sieving is placed in oil press, be to be squeezed out at 60~95 DEG C in temperature
Oil, obtain rough Oleum Verniciae fordii；
（2）Rough Oleum Verniciae fordii is filtered, obtains filtrate, 400~500g filtrates and 300~400g Brazil waxs are carried out
Steam and fry, will steam the material after frying with absolute ethyl alcohol is 1 in mass ratio:1~1:After 2 mixing, stratification, subnatant is obtained, will
Subnatant is distilled, and is removed absolute ethyl alcohol, is obtained wood wax oil；
（3）Weigh 25~30g HMDOs to be added in three-necked flask, be to be flowed back at 120~130 DEG C in temperature
After 40~50min, then it is 35% phosphoric acid solution that 25~30mL mass fractions, which are added dropwise, and 3~4h of stirring reaction, reaction terminates, produced
Thing；
（4）Weigh 6~8g butyl titanates and 8~12g Boratexes are added in 100~200mL absolute ethyl alcohols, stirring is molten
Xie Hou, mixed liquor is obtained, 15~20g products, 40~50g wood wax oils and 50~60mL mass fractions are added into mixed liquor is
35% Adlerika, 1~2h of stirring reaction, you can obtain wooden cultural relic dehydration shaping consolidation process agent.
Step（2）When described filtrate and Brazil wax steam stir-fry, 20~30g rosin resins can also be added.
Step（2）The temperature that described steaming is fried is 120~130 DEG C, and it is 15~20min to steam the stir-fry time.
Step（2）The temperature of described absolute ethyl alcohol is 0~5 DEG C.
Step（2）The temperature that subnatant is distilled is 80~85 DEG C, and distillation time is 30~40min.
Step（3）The drop rate of described phosphoric acid solution is 1~3mL/min.
Compared with other method, advantageous effects are the present invention：
（1）The present invention obtains wood wax oil, wood by the way that Oleum Verniciae fordii, Brazil wax and rosin resin are carried out into steaming stir-fry, purification
Oleum Verniciae fordii in wax oil can be penetrated into inside wooden cultural relic, to historical relic moisten maintenance, and can antisepsis and sterilization, the palm fibre in wood wax oil
Palmitic acid wax and rosin resin can be combined with the fibre compact of wooden cultural relic, increase the intensity of historical relic, while can play a part of waterproof；
（2）The present invention is hydrolyzed by raw material of HMDO, and its hydrolysate is silica dioxide gel, dioxy
SiClx gel and then can make the form of silica dioxide gel and chemical bond be combined closely with timber with the hydroxyl reaction in timber,
So as to strengthen the intensity of wooden cultural relic, and reduce the free hydroxyl group in wooden cultural relic, water imbibition reduces, then is equipped with titanium dioxide
Titanium, titanium dioxide can increase the ageing-resistant performance of wooden cultural relic as ultraviolet light screener.
Embodiment
The ripe bancoul nuts of 1~3kg are weighed, is placed in being exposed to the sun to bancoul nuts under the sun and splits, the bancoul nuts to split are gone
Shell, bancoul nuts benevolence therein is picked out, bancoul nuts benevolence is cleaned 3~5 times with water, clean bancoul nuts benevolence is placed in baking oven,
It is 5~8% to be dried under the conditions of being 80~90 DEG C in temperature to bancoul nuts benevolence moisture content, and dry bancoul nuts benevolence is placed in into pulverizer
After middle crushing, 80~100 mesh sieves are crossed, sieving is obtained, sieving is placed in oil press, being 90~95 DEG C in temperature squeezes out
Oil, rough Oleum Verniciae fordii is obtained, rough Oleum Verniciae fordii is filtered, obtains filtrate, take 400~500g filtrates, 300~400g babassus
Wax and 20~30g rosin resins, which are added to, to be steamed in stir-fry machine, is controlled and is steamed stir-fry machine temperature for 120~130 DEG C, rotating speed is 150~200r/
Min, which steams, fries 15~20min, the absolute ethyl alcohol in mass ratio 1 that will steam the material after frying with temperature is 0~5 DEG C:1~1:2 mixing
Afterwards, stratification, subnatant is obtained, lower floor's oil phase is moved into distilling apparatus, 30 are heated under the conditions of being 80~85 DEG C in temperature
~40min, absolute ethyl alcohol is removed, obtains wood wax oil, weighed 25~30g HMDOs and be added to thermometer and return
In the three-necked flask for flowing device, flask is placed in water-bath, it is 120~130 DEG C to control bath temperature, and flow back 40~50min
Afterwards, it is 35% phosphoric acid solution 25~30mL mass fractions to be added dropwise into flask, and it is 1~3mL/min to control drop rate, waits to be added dropwise
After, 3~4h of stirring reaction, reaction terminates, and obtains product, weighs 6~8g butyl titanates and 8~12g Boratexes add
Into the beaker for filling 100~200mL absolute ethyl alcohols, by beaker move into digital display constant temperature blender with magnetic force in, in temperature be 50~
60 DEG C, rotating speed is 20~30min of stirring and dissolving under 260~300r/min, obtains mixed liquor, and 15~20g is added into mixed liquor
Product, 40~50g wood wax oil and 50~60mL mass fractions are 35% Adlerika, and insulated and stirred reacts 1~2h, certainly
So it is cooled to room temperature, you can obtain wooden cultural relic dehydration shaping consolidation process agent.
Example 1
The ripe bancoul nuts of 1kg are weighed, is placed in being exposed to the sun to bancoul nuts under the sun and splits, the bancoul nuts to split are shelled,
Bancoul nuts benevolence therein is picked out, bancoul nuts benevolence is cleaned 3 times with water, clean bancoul nuts benevolence is placed in baking oven, in temperature
It is 5% to dry under the conditions of 80 DEG C to bancoul nuts benevolence moisture content, dry bancoul nuts benevolence is placed in pulverizer after crushing, crosses 80
Mesh sieve, sieving is obtained, sieving is placed in oil press, be that 90 DEG C of squeezings are fuel-displaced in temperature, obtain rough Oleum Verniciae fordii, will be thick
Oleum Verniciae fordii filtering processed, obtains filtrate, takes 400g filtrates, 300g Brazil waxs and 20g rosin resins to be added to and steams in stir-fry machine, control
It is 120 DEG C that system, which steams stir-fry machine temperature, and rotating speed fries 15min for 150r/min steamings, will steam the material after frying and temperature for 0 DEG C of anhydrous second
Alcohol in mass ratio 1:After 1 mixing, stratification, obtain subnatant, lower floor oil phase moved into distilling apparatus, in temperature be 80 DEG C
Under the conditions of heat 30min, remove absolute ethyl alcohol, obtain wood wax oil, weigh 25g HMDOs and be added to thermometer
In the three-necked flask of reflux, flask is placed in water-bath, it is 120 DEG C to control bath temperature, after the 40min that flows back, to
It is 35% phosphoric acid solution that 25mL mass fractions are added dropwise in flask, and it is 1mL/min to control drop rate, and after being added dropwise, stirring is anti-
3h is answered, reaction terminates, and obtains product, weighs 6g butyl titanates and 8g Boratexes are added to the burning for filling 100mL absolute ethyl alcohols
In cup, beaker is moved into digital display constant temperature blender with magnetic force, is 50 DEG C in temperature, rotating speed is stirring and dissolving under 260r/min
20min, mixed liquor is obtained, it is that 35% magnesium sulfate is molten that 15g products, 40g wood wax oil and 50mL mass fractions are added into mixed liquor
Liquid, insulated and stirred reaction 1h, is naturally cooling to room temperature, you can obtain wooden cultural relic dehydration shaping consolidation process agent.
The wooden cultural relic for needing sizing consolidation process is put into tank, the wooden cultural relic then prepared with the present invention is dehydrated
Sizing consolidation process agent submerges wooden cultural relic, immersion treatment 2 days, then the wooden cultural relic after immersion is taken out and dried.
After testing, the wooden cultural relic hydroscopicity after the wooden cultural relic dehydration shaping consolidation process agent processing prepared through the present invention is low, waterproof
Effect is good, and historical relic has good ageing-resistant performance after reinforcing, and life-span ratio is extended 6 years using conventional strengthening agent, thermal decomposition temperature
Degree brings up to 520.5 DEG C by 320.5 DEG C, shrinkage factor 5.30%.
Example 2
The ripe bancoul nuts of 2kg are weighed, is placed in being exposed to the sun to bancoul nuts under the sun and splits, the bancoul nuts to split are shelled,
Bancoul nuts benevolence therein is picked out, bancoul nuts benevolence is cleaned 4 times with water, clean bancoul nuts benevolence is placed in baking oven, in temperature
It is 7% to dry under the conditions of 85 DEG C to bancoul nuts benevolence moisture content, dry bancoul nuts benevolence is placed in pulverizer after crushing, crosses 90
Mesh sieve, sieving is obtained, sieving is placed in oil press, be that 93 DEG C of squeezings are fuel-displaced in temperature, obtain rough Oleum Verniciae fordii, will be thick
Oleum Verniciae fordii filtering processed, obtains filtrate, takes 450g filtrates, 350g Brazil waxs and 25g rosin resins to be added to and steams in stir-fry machine, control
It is 125 DEG C that system, which steams stir-fry machine temperature, and rotating speed fries 18min for 180r/min steamings, will steam the material after frying and temperature for 3 DEG C of anhydrous second
Alcohol in mass ratio 1:After 2 mixing, stratification, obtain subnatant, lower floor oil phase moved into distilling apparatus, in temperature be 83 DEG C
Under the conditions of heat 35min, remove absolute ethyl alcohol, obtain wood wax oil, weigh 28g HMDOs and be added to thermometer
In the three-necked flask of reflux, flask is placed in water-bath, it is 125 DEG C to control bath temperature, after the 45min that flows back, to
It is 35% phosphoric acid solution that 28mL mass fractions are added dropwise in flask, and it is 2mL/min to control drop rate, and after being added dropwise, stirring is anti-
4h is answered, reaction terminates, and obtains product, weighs 7g butyl titanates and 10g Boratexes are added to the burning for filling 150mL absolute ethyl alcohols
In cup, beaker is moved into digital display constant temperature blender with magnetic force, is 55 DEG C in temperature, rotating speed is stirring and dissolving under 280r/min
25min, mixed liquor is obtained, it is that 35% magnesium sulfate is molten that 18g products, 45g wood wax oil and 55mL mass fractions are added into mixed liquor
Liquid, insulated and stirred reaction 2h, is naturally cooling to room temperature, you can obtain wooden cultural relic dehydration shaping consolidation process agent.
The wooden cultural relic for needing sizing consolidation process is put into tank, the wooden cultural relic then prepared with the present invention is dehydrated
Sizing consolidation process agent submerges wooden cultural relic, immersion treatment 2 days, then the wooden cultural relic after immersion is taken out and dried.
After testing, the wooden cultural relic hydroscopicity after the wooden cultural relic dehydration shaping consolidation process agent processing prepared through the present invention is low, waterproof
Effect is good, and historical relic has good ageing-resistant performance after reinforcing, and life-span ratio is extended 7 years using conventional strengthening agent, thermal decomposition temperature
Degree brings up to 528.5 DEG C by 326.5 DEG C, shrinkage factor 5.23%.
Example 3
The ripe bancoul nuts of 3kg are weighed, is placed in being exposed to the sun to bancoul nuts under the sun and splits, the bancoul nuts to split are shelled,
Bancoul nuts benevolence therein is picked out, bancoul nuts benevolence is cleaned 5 times with water, clean bancoul nuts benevolence is placed in baking oven, in temperature
It is 8% to dry under the conditions of 90 DEG C to bancoul nuts benevolence moisture content, dry bancoul nuts benevolence is placed in pulverizer after crushing, crosses 100
Mesh sieve, sieving is obtained, sieving is placed in oil press, be that 95 DEG C of squeezings are fuel-displaced in temperature, obtain rough Oleum Verniciae fordii, will be thick
Oleum Verniciae fordii filtering processed, obtains filtrate, takes 500g filtrates, 400g Brazil waxs and 30g rosin resins to be added to and steams in stir-fry machine, control
It is 130 DEG C that system, which steams stir-fry machine temperature, and rotating speed fries 20min for 200r/min steamings, will steam the material after frying and temperature for 5 DEG C of anhydrous second
Alcohol in mass ratio 1:After 2 mixing, stratification, obtain subnatant, lower floor oil phase moved into distilling apparatus, in temperature be 85 DEG C
Under the conditions of heat 40min, remove absolute ethyl alcohol, obtain wood wax oil, weigh 30g HMDOs and be added to thermometer
In the three-necked flask of reflux, flask is placed in water-bath, it is 130 DEG C to control bath temperature, after the 50min that flows back, to
It is 35% phosphoric acid solution that 30mL mass fractions are added dropwise in flask, and it is 3mL/min to control drop rate, and after being added dropwise, stirring is anti-
4h is answered, reaction terminates, and obtains product, weighs 8g butyl titanates and 12g Boratexes are added to the burning for filling 200mL absolute ethyl alcohols
In cup, beaker is moved into digital display constant temperature blender with magnetic force, is 60 DEG C in temperature, rotating speed is stirring and dissolving under 300r/min
30min, mixed liquor is obtained, it is that 35% magnesium sulfate is molten that 20g products, 50g wood wax oil and 60mL mass fractions are added into mixed liquor
Liquid, insulated and stirred reaction 2h, is naturally cooling to room temperature, you can obtain wooden cultural relic dehydration shaping consolidation process agent.
The wooden cultural relic for needing sizing consolidation process is put into tank, the wooden cultural relic then prepared with the present invention is dehydrated
Sizing consolidation process agent submerges wooden cultural relic, immersion treatment 3 days, then the wooden cultural relic after immersion is taken out and dried.
After testing, the wooden cultural relic hydroscopicity after the wooden cultural relic dehydration shaping consolidation process agent processing prepared through the present invention is low, waterproof
Effect is good, and historical relic has good ageing-resistant performance after reinforcing, and life-span ratio is extended 8 years using conventional strengthening agent, thermal decomposition temperature
Degree brings up to 531.5 DEG C by 332.5 DEG C, shrinkage factor 5.28%.
Claims (6)
1. a kind of preparation method of wooden cultural relic dehydration shaping consolidation process agent, it is characterised in that specifically preparation process is：
（1）The ripe bancoul nuts of 1~3kg are weighed, are placed under the sun after being exposed to the sun to bancoul nuts and splitting, through shelling, picking, washing,
Dry, crush and sieve, obtain sieving, sieving is placed in oil press, being 60~95 DEG C in temperature pushes expressed oil, obtains
To rough Oleum Verniciae fordii；
（2）Rough Oleum Verniciae fordii is filtered, obtains filtrate, 400~500g filtrates and 300~400g Brazil waxs are steamed
Fry, will steam the material after frying with absolute ethyl alcohol is 1 in mass ratio:1~1:After 2 mixing, stratification, subnatant is obtained, by under
Layer liquid is distilled, and is removed absolute ethyl alcohol, is obtained wood wax oil；
（3）25~30g HMDOs are weighed to be added in three-necked flask, in temperature be 120~130 DEG C at backflow 40~
After 50min, then it is 35% phosphoric acid solution that 25~30mL mass fractions, which are added dropwise, and 3~4h of stirring reaction, reaction terminates, and obtains product；
（4）Weigh 6~8g butyl titanates and 8~12g Boratexes are added in 100~200mL absolute ethyl alcohols, stirring and dissolving
Afterwards, mixed liquor is obtained, it is 35% that 15~20g products, 40~50g wood wax oils and 50~60mL mass fractions are added into mixed liquor
Adlerika, 1~2h of stirring reaction, you can obtain wooden cultural relic dehydration shaping consolidation process agent.
A kind of 2. preparation method of wooden cultural relic dehydration shaping consolidation process agent according to claim 1, it is characterised in that：
Step（2）When described filtrate and Brazil wax steam stir-fry, 20~30g rosin resins can also be added.
A kind of 3. preparation method of wooden cultural relic dehydration shaping consolidation process agent according to claim 1, it is characterised in that：
Step（2）The temperature that described steaming is fried is 120~130 DEG C, and it is 15~20min to steam the stir-fry time.
A kind of 4. preparation method of wooden cultural relic dehydration shaping consolidation process agent according to claim 1, it is characterised in that：
Step（2）The temperature of described absolute ethyl alcohol is 0~5 DEG C.
A kind of 5. preparation method of wooden cultural relic dehydration shaping consolidation process agent according to claim 1, it is characterised in that：
Step（2）The temperature that subnatant is distilled is 80~85 DEG C, and distillation time is 30~40min.
A kind of 6. preparation method of wooden cultural relic dehydration shaping consolidation process agent according to claim 1, it is characterised in that：
Step（3）The drop rate of described phosphoric acid solution is 1~3mL/min.
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| CN108393984A (en) * | 2018-02-22 | 2018-08-14 | 浙江大学 | A kind of waterlogged wooden culture relics composite consolidation material and preparation method thereof |
| CN113146765A (en) * | 2021-04-22 | 2021-07-23 | 贵州八六三科技有限公司 | Environment-friendly flame-retardant wood |
| CN116330419B (en) * | 2023-03-24 | 2023-09-26 | 北京大学 | Pretreatment method for freeze drying of saturated wooden cultural relics |
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| JPH0924506A (en) * | 1995-07-11 | 1997-01-28 | Hideo Yoshida | Unearthed cultural relic and its preservation treatment |
| CN103213180A (en) * | 2013-03-15 | 2013-07-24 | 西南林业大学 | Strengthening agent for wooden relics, and preparation method and application thereof |
| CN103612305B (en) * | 2013-11-07 | 2014-12-10 | 陕西师范大学 | Fireproofing and insect-proofing modifying liquid for collection tools of files and cultural relics and application of modifying liquid |
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Inventor after: Zuo Wenquan Inventor before: Lei Xiaotian Inventor before: Wang Wei |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180130 Address after: 528000 Guangdong city of Foshan province science and technology center of Sanshui Industrial Park C District No. 2-3 District Lubao Applicant after: Foshan Sanshui Renhe Chemical Coatings Co., Ltd. Address before: No. 75, Wuxing village village, Xuan Zhuang village, Wuxing Street, Zhong Lou District, Changzhou, Jiangsu Applicant before: Lei Xiaotian |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |