CN116810960A - Composite filling reinforcing agent for soil-out rotten wooden cultural relics in drought environment and preparation method and application thereof - Google Patents
Composite filling reinforcing agent for soil-out rotten wooden cultural relics in drought environment and preparation method and application thereof Download PDFInfo
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- CN116810960A CN116810960A CN202310906260.4A CN202310906260A CN116810960A CN 116810960 A CN116810960 A CN 116810960A CN 202310906260 A CN202310906260 A CN 202310906260A CN 116810960 A CN116810960 A CN 116810960A
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- 239000012744 reinforcing agent Substances 0.000 title claims abstract description 77
- 239000002131 composite material Substances 0.000 title claims abstract description 76
- 238000011049 filling Methods 0.000 title claims abstract description 67
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 239000002023 wood Substances 0.000 claims abstract description 80
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 63
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims abstract description 57
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims abstract description 57
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims abstract description 57
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000001856 Ethyl cellulose Substances 0.000 claims abstract description 40
- 229920001249 ethyl cellulose Polymers 0.000 claims abstract description 40
- 235000019325 ethyl cellulose Nutrition 0.000 claims abstract description 40
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 238000005728 strengthening Methods 0.000 claims description 7
- 238000002791 soaking Methods 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000035699 permeability Effects 0.000 abstract description 5
- 239000012779 reinforcing material Substances 0.000 abstract description 5
- 230000004075 alteration Effects 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 230000003020 moisturizing effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 230000002787 reinforcement Effects 0.000 description 13
- 230000035515 penetration Effects 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 235000019441 ethanol Nutrition 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 5
- 229930006000 Sucrose Natural products 0.000 description 4
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 4
- 235000013871 bee wax Nutrition 0.000 description 4
- 239000012166 beeswax Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000005720 sucrose Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- 241000233866 Fungi Species 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000002917 insecticide Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920001206 natural gum Polymers 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 2
- 239000010875 treated wood Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- 240000008397 Ganoderma lucidum Species 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 244000179970 Monarda didyma Species 0.000 description 1
- 235000010672 Monarda didyma Nutrition 0.000 description 1
- 229920001046 Nanocellulose Polymers 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 229920001800 Shellac Polymers 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- XOFYZVNMUHMLCC-ZPOLXVRWSA-N prednisone Chemical compound O=C1C=C[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 XOFYZVNMUHMLCC-ZPOLXVRWSA-N 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 1
- 235000013874 shellac Nutrition 0.000 description 1
- 239000004208 shellac Substances 0.000 description 1
- 229940113147 shellac Drugs 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000002383 tung oil Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
-
- 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
- B27K3/0228—Spraying apparatus, e.g. tunnels
-
- 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
- B27K3/38—Aromatic compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention belongs to the technical field of arid environment unearthed wooden relics reinforcing materials, and discloses a composite filling reinforcing agent for arid environment unearthed rotten wooden relics, a preparation method and application thereof. The composite filling reinforcing agent comprises a natural rosin solution, an ethyl cellulose solution and glycerol; the volume ratio of the natural rosin solution to the ethyl cellulose solution is 1:1, a step of; the volume of glycerol is 1% of the total volume of the composite filling reinforcing agent. The ethyl cellulose used in the invention can be used as retarder and adhesive, and can form tough film, so that the defect of rosin can be overcome; the ethanol is used as a solvent, rosin and ethyl cellulose can be better brought into cavities of wood due to decay, and glycerol contained in the cavities can also provide a moisturizing function for the wood. The composite filling reinforcing agent disclosed by the invention has good permeability, can be suitable for wood with large decay degree, and has acceptable chromatic aberration.
Description
Technical Field
The invention relates to the technical field of arid environment unearthed wooden relics reinforcing materials, in particular to a composite filling reinforcing agent for arid environment unearthed rotten wooden relics, a preparation method and application thereof.
Background
Along with development and perfection of archaeological techniques, more and more cultural relics are continuously discovered and mined, the materials and the types of the cultural relics are continuously enriched, and only the original faces of the cultural relics are preserved, the historical value, the artistic value and the scientific value of the cultural relics can be preserved, so that the cultural relic protection technique is also continuously innovated, and the principle of cultural relic protection is also followed in the process of implementing protection, so that the difficulty of cultural relic protection is further improved.
The wooden relics mainly refer to historical relics which take wood as a basic manufacturing material. Wood has been a renewable resource compared to other materials because of its many superior properties that have been of great interest in human social development, and from the original society to date, wood has played an extremely important role in human life. However, wood also has its own drawbacks, such as: 1. wood is an anisotropic heterogeneous material, the deformation of the wood is aggravated due to the uneven expansion and shrinkage, and the wood is easy to crack due to the difference of strength in all directions; 2. the wood is a moisture-absorbing material, and wet expansion and dry shrinkage can occur under natural conditions, so that the dimensional stability of the wood is affected, namely the wood is easy to deform; 3. wood is a natural high molecular organic polymer, is easy to parasitize some insects and fungus (mould and wood rot fungus) so as to degrade the wood and destroy the wood products; 4. wood is inflammable; 5. the main diseases which occur in the dry area and are stored (unearthed) with lower water content are cracking, deformation, decay, worm damage and the like, and the wood with serious decay can lose strength completely, so that the cultural relic value is lost; the water content of the full-water wood is very high, water is rapidly lost in the air after the soil is removed, the wood can crack and deform in the process, and the dehydration problem is considered in the first aspect of protection of the full-water paint wood. Because of the different characteristics of dry and saturated wood, different strengthening agents are required for these characteristics.
Research on wood body reinforcing materials is always a key point and a difficult point of cultural relic protection. WoodBesides its own factors, the change of the buried environment after the soil is unearthed can cause the precious cultural relics to be secondarily damaged. The existing state of the woodware when the woodware is unearthed mainly comprises water saturation and drying, and due to the influence of economic development and other factors, the current research is mainly focused on the woodware shaping and reinforcing protection research under the water saturation state, and the common characteristic of the methods is that the strength of the cultural relics is increased after dehydration. The reinforcement of the dry woodware is mainly as follows: in the 19 th century, mineral water glass (NaSiO 3 ) Is applied to wood reinforcement; natural products such as natural gums, oils, waxes, resins, and sucrose among organic materials have been used as reinforcement treatments for dry wood. Natural gums including skin gums, bone gums, fish gums, and bean gums have been replaced with widely used synthetic resins in recent years due to their lack of resistance to bacterial and insect damage and poor hygroscopicity. The oil is mainly tung oil, and has the greatest advantages of higher hardness and water repellency; disadvantages are that it is difficult to harden entirely in the cooled condition and that the wood surface is also contaminated. At the beginning of the 20 th century, a method for soaking wood in a hot wax-resin mixed solution was reported, and after sterilization and insecticide treatment, the wax had not only a reinforcing effect but also an antiseptic and insect-proof effect. The wood is impregnated with the beeswax to achieve the dampproof effect, but the beeswax has limited reinforcing effect, and the beeswax has poor weather resistance and is easy to age and become brittle. The beeswax, rosin and gasoline solution of rosin can be directly used as reinforcing agent for wood, and the addition of correspondent insecticide can raise insect-proofing effect. The wood cultural relics reinforced by rosin are heat-resistant and water-repellent, but have poor reinforcing effect, poor corrosion resistance and easy embrittlement. Sucrose is also used for reinforcing wood, but since sucrose is hygroscopic, the treated wood is unstable under environmental changes, and the presence of sugar is liable to cause mildew, decay and worm-eating, the reinforcing treatment is insufficient only for this. The latter approach is to displace the sucrose solution in the wood with an ethanol solution of the phenolic resin, thereby allowing the phenolic resin to eventually set in the wood, without the treated wood having a change in shape.
Along with the continuous abundance of materials, various synthetic organic materials are also used for impregnating and reinforcing dry wooden relics and achieving certain effects, such as: polyvinyl butyral, styrene, methyl methacrylate, epoxy resins, and the like.
In recent years, reinforcing agents which use rosin and shellac as raw materials are used by the university of southwest forestry to reinforce saturated wooden cultural relics; the reinforcing agent for water-saturated decay wood is developed by using suberic acid and alcohols (methanol, n-butanol and glycerol) as raw materials at Nanjing forestry university; the nano cellulose adopted by the wood industry institute of China forestry science institute is used for carrying out corrosion prevention and reinforcement on the wood, the wood is required to be soaked and vacuumized in the process, and the process is not beneficial to cultural relic protection; the bergamot kernel and chemical coating limited company adopt wood wax oil, hexamethyldisiloxane and the like as raw materials to strengthen the saturated water content, and the method is used for strengthening the saturated water content woodware, but the woodware strengthening of soil yielding in drought environment is not studied.
Therefore, aiming at the problems and the disease characteristics of the dry environment unearthed woodware, the preparation of a convenient and practical reinforcing material is a key problem to be solved at present.
Disclosure of Invention
The invention aims to provide a composite filling reinforcing agent for a soil-bearing rotten wood relic in a drought environment, a preparation method and application thereof, and solves the problems of the existing reinforcing material.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a composite filling reinforcing agent for a soil-out rotten wood relic in a drought environment, which comprises a natural rosin solution, an ethyl cellulose solution and glycerol;
the volume ratio of the natural rosin solution to the ethyl cellulose solution is 1:1, a step of;
the volume of the glycerol is 1% of the total volume of the composite filling reinforcing agent.
Preferably, in the composite filling reinforcing agent for the soil-out rotting wood relics in drought environments, the natural rosin solution is obtained by dissolving natural rosin in absolute ethyl alcohol;
the ethyl cellulose solution is prepared by dissolving ethyl cellulose in absolute ethyl alcohol.
Preferably, in the composite filling reinforcing agent for the soil-out rotting wood relics in drought environments, the concentration of the natural rosin solution is 2-5%;
the concentration of the ethyl cellulose solution is 2-5%.
Preferably, in the composite filling reinforcing agent for the soil-out and rotten wood cultural relics in drought environments, the natural rosin in the natural rosin solution is quaternary or penta-grade rosin.
The invention also provides a preparation method of the composite filling reinforcing agent for the soil-out rotten wood relics in the drought environment, which comprises the following steps:
and mixing the natural rosin solution and the ethyl cellulose solution, and then adding glycerol to obtain the composite filling reinforcing agent for the soil-out and rotten wooden cultural relics in the drought environment.
The invention also provides application of the composite filling reinforcing agent for the soil-out rotten wooden relics in drought environments in reinforcing wooden relics.
Preferably, in the application of the composite filling reinforcing agent for the soil-out and decay wood relics in the drought environment in the reinforcement of wood relics, the method for reinforcing the wood relics comprises the following steps:
spraying the composite filling reinforcing agent on the surface of the wooden relics;
or cotton gauze is stuck on the surface of the wooden relics, and then a composite filling reinforcing agent is sprayed;
or soaking the wooden relics in the composite filling reinforcing agent.
Preferably, in the application of the composite filling reinforcing agent for the soil-out and decay wood relics in the drought environment in the reinforcement of wood relics, the reinforcing frequency of the reinforced wood relics is greater than or equal to 1 time.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts natural rosin, ethyl cellulose and glycerol to carry out a series of proportioning and combination, and the mixture is dissolved by ethanol to form the composite filling reinforcing agent. If the wood cultural relics reinforced by rosin are used singly, although the wood cultural relics are heat-resistant and water-repellent, the reinforcing effect is poor, the corrosion resistance is poor, the wood cultural relics are easy to become brittle, the ethyl cellulose used in the invention can be used as a retarder and an adhesive, and a tough film can be formed, so that the defects of the rosin can be overcome; the ethanol is used as a solvent, so that rosin and ethyl cellulose can be better brought into a cavity of wood due to decay, and after the ethanol volatilizes, a mixture formed by the rosin and the ethyl cellulose can play a better role in reinforcement; the glycerol contained therein can also provide moisture retention to the wood. The composite filling reinforcing agent disclosed by the invention has good permeability, can be suitable for wood with large decay degree, and has acceptable chromatic aberration.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic representation of the penetration depth of the composite filled reinforcing agent of example 1;
FIG. 2 is a schematic representation of the penetration depth of the composite filled reinforcing agent of example 2;
FIG. 3 is a schematic representation of the penetration depth of the composite filled reinforcing agent of example 3;
FIG. 4 is a graph showing the results of compressive strength testing prior to reinforcement of a cultural relic sample;
fig. 5 is a graph showing the results of compressive strength testing after reinforcement of a cultural relic sample.
Detailed Description
The invention provides a composite filling reinforcing agent for a soil-out rotten wood relic in a drought environment, which comprises a natural rosin solution, an ethyl cellulose solution and glycerol;
the volume ratio of the natural rosin solution to the ethyl cellulose solution is preferably 1:1, a step of;
the volume of the glycerol is preferably 1% of the total volume of the composite filling and reinforcing agent.
In the invention, the natural rosin solution is preferably obtained by dissolving natural rosin in absolute ethyl alcohol;
the ethyl cellulose solution is preferably prepared by dissolving ethyl cellulose in absolute ethyl alcohol.
In the present invention, the concentration of the natural rosin solution is preferably 2 to 5%, more preferably 2, 3, 4 or 5%, still more preferably 3%;
the concentration of the ethylcellulose solution is preferably 2 to 5%, more preferably 2, 3, 4 or 5%, and still more preferably 4%.
In the present invention, the natural rosin in the natural rosin solution is preferably a quaternary or quaternary rosin, more preferably a quaternary rosin. The natural rosin used in the subsequent examples of the present invention was a commercially available Qinbao violin specific rosin No.602#.
The invention also provides a preparation method of the composite filling reinforcing agent for the soil-out rotten wood relics in the drought environment, which comprises the following steps:
and mixing the natural rosin solution and the ethyl cellulose solution, and then adding glycerol to obtain the composite filling reinforcing agent for the soil-out and rotten wooden cultural relics in the drought environment.
The invention also provides application of the composite filling reinforcing agent for the soil-out rotten wooden relics in drought environments in reinforcing wooden relics.
In the invention, the method for reinforcing the wooden relics comprises the following steps:
spraying the composite filling reinforcing agent on the surface of the wooden relics;
or cotton gauze is stuck on the surface of the wooden relics, and then a composite filling reinforcing agent is sprayed;
or soaking the wooden relics in the composite filling reinforcing agent.
In the present invention, the number of times of reinforcement of the reinforced wooden relics is preferably 1 or more, more preferably 3 to 10 times, and still more preferably 7 times.
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The embodiment provides a composite filling reinforcing agent for soil-out rotten wood cultural relics in drought environments, which comprises a natural rosin solution with the concentration of 3% (the natural rosin is obtained by dissolving natural rosin in absolute ethyl alcohol), an ethyl cellulose solution with the concentration of 3% (the ethyl cellulose is obtained by dissolving ethyl cellulose in absolute ethyl alcohol), and glycerol accounting for 1% of the total volume of the composite filling reinforcing agent, wherein the volume ratio of the natural rosin solution to the ethyl cellulose solution is 1:1.
the preparation method of the composite filling reinforcing agent comprises the following steps:
and (3) uniformly mixing the natural rosin solution and the ethyl cellulose solution, and then adding glycerol for uniform mixing to obtain the composite filling reinforcing agent.
Example 2
The embodiment provides a composite filling reinforcing agent for soil-out rotten wood cultural relics in drought environments, which comprises a natural rosin solution with the concentration of 4% (the natural rosin is obtained by dissolving natural rosin in absolute ethyl alcohol), an ethyl cellulose solution with the concentration of 4% (the ethyl cellulose is obtained by dissolving ethyl cellulose in absolute ethyl alcohol), and glycerol accounting for 1% of the total volume of the composite filling reinforcing agent, wherein the volume ratio of the natural rosin solution to the ethyl cellulose solution is 1:1.
the preparation method of the composite filling reinforcing agent comprises the following steps:
and (3) uniformly mixing the natural rosin solution and the ethyl cellulose solution, and then adding glycerol for uniform mixing to obtain the composite filling reinforcing agent.
Example 3
The embodiment provides a composite filling reinforcing agent for soil-out rotten wood cultural relics in drought environments, which comprises a natural rosin solution with the concentration of 5% (obtained by dissolving natural rosin in absolute ethyl alcohol) and an ethyl cellulose solution with the concentration of 5% (obtained by dissolving ethyl cellulose in absolute ethyl alcohol), wherein glycerol accounts for 1% of the total volume of the composite filling reinforcing agent, and the volume ratio of the natural rosin solution to the ethyl cellulose solution is 1:1.
the preparation method of the composite filling reinforcing agent comprises the following steps:
and (3) uniformly mixing the natural rosin solution and the ethyl cellulose solution, and then adding glycerol for uniform mixing to obtain the composite filling reinforcing agent.
Performance test:
permeability test: taking a wood sample, placing the wood sample into the composite filling reinforcing agents with the depth of 5mm in examples 1-3 respectively, placing the wood sample for 30min, taking out, placing the wood sample at room temperature, and drying in the shade, wherein the specification of the wood sample is 10 x 0.2 x 0.8 cm; then put into an iodine jar for 10min, taken out, and the penetration depth (when the penetration depth reaches more than 10mm, the requirements can be met) is measured, and the results are shown in figures 1-3. As can be seen from fig. 1 to 3, the penetration depth of the wood sample into the composite filling and reinforcing agent of example 1 was about 4cm, the penetration depth of the wood sample into the composite filling and reinforcing agent of example 2 was about 3cm, and the penetration depth of the wood sample into the composite filling and reinforcing agent of example 3 was about 5cm.
Color difference analysis: placing a wood sample in a color measuring instrument, and recording an initial value of the wood sample; then coating the composite filling reinforcing agents prepared in the examples 1-3 on the surface of a sample respectively, placing the sample at room temperature, drying in the shade, measuring the numerical value again, and calculating the chromatic aberration; repeatedly coating the composite filling reinforcing agent, and measuring again; the results of the statistical color difference values are shown in tables 1 to 3.
Table 1 color difference statistics of the composite filler reinforcing agent of coating example 1
TABLE 2 color difference statistics of the composite filled reinforcing agent of coating example 2
TABLE 3 color difference statistics of the composite filled reinforcing agent of coating example 3
As is clear from tables 1 to 3, the average color difference of the composite filled reinforcing agent of example 1 was 0.48, the average color difference of the composite filled reinforcing agent of example 2 was 0.82, the average color difference of the composite filled reinforcing agent of example 3 was 0.65, and the change in the color of the wood after the reinforcement was slight or slight (the correspondence relationship between Δe value and color change is shown in table 4).
TABLE 4 correspondence of delta E values to color changes
Solvent permeability: reinforcing the wood samples with the composite filling reinforcing agents of examples 1 to 3, respectively, and drying in the shade at room temperature; and then respectively dripping purified water, ethanol, acetone and ethyl acetate on the surface of the sample, and observing the permeability of the sample to judge the reversibility of the composite filling reinforcing agent. The results were: pure water is respectively dripped on the surfaces of the reinforced samples with the three concentrations in the examples 1-3, the pure water can not permeate, the pure water still keeps in a water drop shape after half an hour, and the edges slightly permeate (wet); ethanol, acetone and ethyl acetate are respectively dripped on the surfaces of the reinforced samples with the three concentrations in examples 1-3, and the solution is quickly infiltrated, paved on the samples and quickly dried.
And (5) reinforcing a cultural relic sample: the concrete experimental contents of applying the composite filling reinforcing agent of the embodiment 3 to the reinforcement of the unearthed tomb gate are as follows: selecting relatively straight wood strips from tomb gate residues, lightly coating a composite filling reinforcing agent on the surface of wood by using a hooking pen, and reinforcing for 2 times according to the wood decay degree; measuring the compressive strength of the reinforced concrete; the test results before and after reinforcement are shown in fig. 4 to 5. As can be seen from the experimental data of fig. 4 to 5, the reinforced precursor sample has little compressive strength, and the sample becomes powder after a little pressure is applied; the pressure that the cultural relic sample can bear after strengthening can reach 28N, so that the effectiveness of the composite filling strengthening agent can be demonstrated.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (8)
1. The composite filling reinforcing agent for the soil-out rotten wood relics in drought environments is characterized by comprising a natural rosin solution, an ethyl cellulose solution and glycerol;
the volume ratio of the natural rosin solution to the ethyl cellulose solution is 1:1, a step of;
the volume of the glycerol is 1% of the total volume of the composite filling reinforcing agent.
2. The composite filling and reinforcing agent for the soil-out and rotten wood cultural relics in drought environments according to claim 1, wherein the natural rosin solution is obtained by dissolving natural rosin in absolute ethyl alcohol;
the ethyl cellulose solution is prepared by dissolving ethyl cellulose in absolute ethyl alcohol.
3. The composite filling and reinforcing agent for the soil-out and rotten wood cultural relics in drought environments according to claim 2, wherein the concentration of the natural rosin solution is 2-5%;
the concentration of the ethyl cellulose solution is 2-5%.
4. A composite filling and reinforcing agent for soil-working and decaying wood relics in arid environments according to claim 2 or 3, wherein the natural rosin in the natural rosin solution is a quaternary or a penta rosin.
5. The method for preparing the composite filling reinforcing agent for the soil-out and decay of the wooden relics in the drought environment according to any one of claims 1 to 4, which is characterized by comprising the following steps:
and mixing the natural rosin solution and the ethyl cellulose solution, and then adding glycerol to obtain the composite filling reinforcing agent for the soil-out and rotten wooden cultural relics in the drought environment.
6. The use of a composite filling strengthening agent for the soil-out and decay of wooden relics in arid environments as claimed in any one of claims 1 to 4 for strengthening wooden relics.
7. The use of a composite filling and reinforcing agent for the soil-out and decay of wooden relics in arid environments according to claim 6, wherein the method for reinforcing wooden relics comprises the following steps:
spraying the composite filling reinforcing agent on the surface of the wooden relics;
or cotton gauze is stuck on the surface of the wooden relics, and then a composite filling reinforcing agent is sprayed;
or soaking the wooden relics in the composite filling reinforcing agent.
8. The use of a composite filling and reinforcing agent for the soil-out and decay of wooden relics in arid environments according to claim 6 or 7, wherein the number of reinforcing times of the reinforcing wooden relics is 1 or more.
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