CN108842443B - In-situ solid extraction device and method for underwater fragile cultural relics or relics - Google Patents
In-situ solid extraction device and method for underwater fragile cultural relics or relics Download PDFInfo
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- CN108842443B CN108842443B CN201810692060.2A CN201810692060A CN108842443B CN 108842443 B CN108842443 B CN 108842443B CN 201810692060 A CN201810692060 A CN 201810692060A CN 108842443 B CN108842443 B CN 108842443B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/12—Aldehydes; Ketones
- D06M13/127—Mono-aldehydes, e.g. formaldehyde; Monoketones
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/152—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen having a hydroxy group bound to a carbon atom of a six-membered aromatic ring
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
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- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses an in-situ solid extraction device and a method for underwater fragile cultural relics and relics, wherein the solid extraction device comprises a temporary solid material and fiber cloth, the density of the temporary solid material is higher than that of water, the temporary solid material is insoluble in water and low in melting point, can be sublimated, objects such as wood, metal, ceramic, sand grains and the like can be bonded underwater in a molten state, the fiber cloth has corresponding breaking strength, elongation, porosity and flexibility, and the fiber diameter is as small as the underwater temporary solid material in the molten state can be adsorbed and infiltrated as much as possible, the invention can bond and fix the cultural relics and the relics integrally and move the cultural relics and the relics to a restoration display venue, the invention can completely extract the fragile cultural relics and the relics such as the wood, the metal, the ceramic and the like which are degraded and seriously corroded underwater to the restoration display venue under the condition of keeping the original state underwater, and the method is simple and convenient, the cost of manpower and material resources is greatly reduced compared with that of a caisson method, and a new method is provided for underwater archaeology.
Description
Technical Field
The invention belongs to the technical field of underwater archaeology and underwater cultural heritage protection, and relates to an underwater in-situ solid extraction device and method for underwater fragile cultural relics or relics.
Background of the study
Throughout the world, including coastal and inland waters of china, there are a great number of historical relics and vestiges sleeping underwater. The underwater cultural heritage is an indispensable important evidence reflecting the history of human social civilization in the past, is also a very precious resource, and urgently requires people to protect the heritage by utilizing scientific measures. Although the primary strategy for underwater monument protection is in-situ protection, the environment of vast bodies of water is often very complex, such as theft, biological attack, seawater corrosion, water scouring, and the like. In order to avoid the complete damage of fragile cultural relics or relics over time, underwater cultural relics or relics which are at risk of damage need to be extracted to the water surface for protection in many cases. It is extremely difficult to extract the cultural relics or the relics from the water to the land safely and in the original state.
At present, the method which is applied adopts a large caisson technology and consumes huge manpower and material resources. The method is difficult to implement for general underwater cultural relics or relics, especially for some endangered cultural relics which need to be extracted as soon as possible. Cyclododecane as a temporary fixing material is applied to the relocation of fragile cultural relics on the land archaeological excavation site [1-3] since the nineties of the last century, and the material has the greatest advantage of being capable of being automatically sublimated and run away in the air finally without influencing the original structure of the cultural relics or the remains. In recent years, more inexpensive flavor menthol has begun to be used for extraction of fragile cultural relics as a temporary fixing material in land archaeological excavation sites, and chinese patents (ZL201010252551.9, ZL201120459017.5, ZL201510093729.2, ZL201510039823.x) have been applied, along with relevant basic research papers [4-5 ]. However, all these studies and patents are directed to the temporary solid extraction of fragile cultural relics of archaeology on land. Cyclododecane, menthol and the like all of these temporary setting materials that have been used cannot be applied to temporary reinforcement of underwater cultural relics or vestiges. The temporary fixation of underwater cultural relics is much more demanding on materials, and the problems faced by the extraction method are also more complicated. Compared with land, the technology for temporarily and fixedly extracting underwater cultural relics or vestiges is still blank, and technical breakthroughs are urgently needed.
Reference to the literature
[1].D.Vernez,B.Wognin,C.Tomicic,G.Plateel,N.Charriere,S.Bruhin,Cyclodo-decane exposure in the field of conservation and restoration of artobjects,Int.Arch.Occ.Environ.Health.2011,84,371–374.
[2].B.Irene,T.Jonathan,N.Kimberly,S.Gerri,Cyclododecane:technicalnote on some uses in paper and objects conservation,Journal of the AmericanInstitute for Conservation,1999,38,162–175.
[3].M.Brown,A.Davidson,The use of cyclododecane to protect delicatefossils during transportation,J.Vertebr.Paleontol.2010,30,300–303.
[4].X.Han,X.Huang,B.Zhang,Morphological studies of menthol as atemporary consolidant forurgent conservation in archaeological field,Journalof Cultural Heritage,2016,18,271–278.
[5].X.Han,B.Rong,X.Huang,T.Zhou,H.Luo,C.Wang,The use of menthol astemporary consolidant in the excavation of Qin Shihuang's Terracotta Army,Archaeometry,2014,56,1041–1053.
[6].X.Han,X.Huang,B.J.Zhang,Laboratory research into the use ofmenthol as a temporary consolidant for conservation on archaeologicalexcavations,Archaeometry,2018,doi:10.1111/arcm.12390.
Disclosure of Invention
The invention relates to an in-situ solid extraction device and method for underwater fragile cultural relics or relics. The invention aims to overcome the defects of the conventional underwater archaeological temporary solid material and an extraction method, completely extract fragile cultural relics or vestige such as wood, metal, ceramic and the like which are degraded and seriously corroded underwater to be above the water surface by using the underwater temporary solid material under the condition of keeping the original underwater state, and restore the original state of the cultural relics or the vestige in the air.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a fixing device for underwater fragile cultural relics or vestige in-situ fixing, which comprises a temporary fixing material and fiber cloth, wherein the temporary fixing material has the density higher than that of water, is insoluble in water, has a low melting point, can be sublimated, can be bonded with objects such as wood, metal, ceramic, sand grains and the like under water in a molten state, and has corresponding breaking strength, elongation, porosity and flexibility, and the fiber diameter is as small as the temporary fixing material in the molten state can be adsorbed and infiltrated as much as possible.
As a further improvement, the temporary fixing material is low in toxicity and low in cost, the fiber cloth is low in cost, the low melting point means that the melting point is 40-60 ℃, the breaking strength is more than 5cN/dtex, the elongation is less than 30%, the porosity is more than 70%, and the fiber diameter is 1-6 um.
As a further improvement, the temporary solid material is a single compound which is insoluble in water or a mixture which takes the compound as the main component and has the content of more than 90 percent, the single compound which is insoluble in water is benzophenone, paeonol or veratraldehyde, and the chemical structural formulas of the single compound which is insoluble in water are respectively as follows:
as a further improvement, the temporary fixing material is veratraldehyde.
As a further improvement, the fiber cloth is polypropylene fiber cloth, polyester fiber cloth or nylon fiber cloth.
As a further improvement, the fiber cloth is polypropylene fiber cloth.
The invention also discloses a solid type extraction method based on the underwater fragile cultural relic or vestige in-situ solid type, which comprises the following steps:
1) covering the fiber cloth on the surface of the cleaned cultural relic or relic under water;
2) the temporary fixing material in the molten state is coated on the surface of the fiber cloth covering the surface of the cultural relic or the relic under water by heating or other physical methods, and the fiber cloth is bonded with the cultural relic or the relic below after the fiber cloth is permeated and spread;
3) carefully moving the wrapped cultural relics or the relics out of water, putting the cultural relics or the relics into a high-temperature and ventilation environment, so that the underwater temporary fixing material is automatically sublimated completely, and the cultural relics or the relics are restored to the original state.
As a further improvement, in step 2) of the present invention, the molten underwater temporary fixing material can spread on the fiber cloth, and the contact angle of the molten temporary fixing material on the fiber cloth is finally 0.
As a further improvement, in the step 3) of the invention, the high temperature is less than or equal to 50 ℃.
As a further improvement, the method comprises the following specific steps:
step a, cleaning away surface silt on the premise of not disturbing underwater fragile cultural relics or vestiges;
b, cutting the fiber cloth according to the area or the partition area of the cultural relic or the relic, and covering the fiber cloth on the surface of the cleaned cultural relic or the relic to enable the cultural relic or the relic to be tightly attached;
c, enabling the underwater temporary fixing material to be in a molten state by heating or other physical methods, coating the molten fixing material on the surface of the fiber cloth covering the surface of the cultural relic or the relic underwater, and bonding the fiber cloth and the cultural relic or the relic below after the fiber cloth is permeated and spread;
d, on the premise of not damaging the state of the cultural relics or the vestige, cleaning sand or sundries on the side surfaces of the cultural relics or the vestige, shearing fiber cloth with proper size to wrap the side surfaces of the cultural relics or the vestige, then coating the fiber cloth with the molten solid material, and bonding the side surfaces of the cultural relics or the vestige;
checking whether the bonding is firm or not, otherwise, continuously cleaning, paving fiber cloth and coating an underwater temporary fixing material including a part of bottom surface until the whole cultural relic or the relic is wrapped and fixed firmly, and then carefully moving the wrapping object to slowly move water;
f, in the air, firstly cleaning the bottom silt and supplementing the melted temporary solid material if necessary to strengthen the whole body;
and g, putting the material into a ventilating environment at the temperature of less than or equal to 50 ℃ to ensure that the underwater temporary fixing material is automatically sublimated and cleaned, and removing the fiber cloth to restore the original shape of the cultural relic or the vestige.
Compared with the prior art, the invention has the advantages that:
the cultural relics or the relics can be integrally bonded and fixed firmly under water and can be moved to a repair exhibition venue.
The underwater temporary solid material can be automatically removed by manually controlling the sublimation speed, and the state of underwater cultural relics or vestige cannot be changed due to the removal process of the solid material.
The invention can completely extract fragile cultural relics or vestiges such as wood, metal, ceramic and the like which are degraded and seriously corroded underwater to a repairing and displaying venue under the condition of keeping the original underwater state.
The method is simple and convenient, the cost of manpower and material resources is greatly reduced compared with that of a caisson method, and a new method is provided for underwater archaeology.
Detailed description of the invention
The invention discloses a fixing device for in-situ fixing of underwater fragile cultural relics or vestige, which comprises a temporary fixing material and fiber cloth, wherein the temporary fixing material has the density higher than that of water, is insoluble in water, has the melting point of 40-60 ℃, can be sublimated, can be bonded with objects such as wood, metal, ceramic, sand grains and the like under the molten state, has the breaking strength higher than 5cN/dtex, the elongation lower than 30 percent, the porosity higher than 70 percent and the fiber diameter between 1 and 6 mu m, and can adsorb and permeate the underwater temporary fixing material in the molten state as much as possible.
The temporary solid material is a single compound which is insoluble in water and can be benzophenone, paeonol or veratraldehyde, and the fiber cloth can be polypropylene fiber cloth, polyester fiber cloth or nylon fiber cloth.
The invention also discloses a solid type extraction method based on the underwater fragile cultural relic or vestige in-situ solid type, which comprises the following steps:
step a, cleaning away surface silt on the premise of not disturbing underwater fragile cultural relics or vestiges;
b, cutting the fiber cloth according to the area or the partition area of the cultural relic or the relic, and covering the fiber cloth on the surface of the cleaned cultural relic or the relic to enable the cultural relic or the relic to be tightly attached;
c, enabling the underwater temporary fixing material to be in a molten state by heating or other physical methods, coating the molten fixing material on the surface of the fiber cloth covering the surface of the cultural relic or the relic underwater, and bonding the fiber cloth and the cultural relic or the relic below after the fiber cloth is permeated and spread;
d, on the premise of not damaging the state of the cultural relics or the vestige, cleaning sand or sundries on the side surfaces of the cultural relics or the vestige, shearing fiber cloth with proper size to wrap the side surfaces of the cultural relics or the vestige, then coating the fiber cloth with the molten solid material, and bonding the side surfaces of the cultural relics or the vestige;
checking whether the bonding is firm or not, otherwise, continuously cleaning, paving fiber cloth and coating an underwater temporary fixing material including a part of bottom surface until the whole cultural relic or the relic is wrapped and fixed firmly, and then carefully moving the wrapping object to slowly move water;
f, in the air, firstly cleaning the bottom silt and supplementing the melted temporary solid material if necessary to strengthen the whole body;
and g, putting the material into a ventilating environment at the temperature of less than or equal to 50 ℃ to ensure that the underwater temporary fixing material is automatically sublimated and cleaned, and removing the fiber cloth to restore the original shape of the cultural relic or the vestige.
The technical solution of the present invention is further illustrated by the following specific examples:
example 1
The invention relates to an in-situ solid extraction method for underwater fragile cultural relics or relics. According to the content and implementation steps of the invention, a broken tile pot buried in underwater sand grains is completely extracted to be above the water surface under the condition of keeping the original state under water, and the original state of the broken tile pot is restored in the air. The implementation method comprises the following steps:
(1) weighing about 100g veratraldehyde, and heating in water bath to 50 deg.C for melting.
(2) Preparing a piece of polypropylene fiber cloth with a square of about 50cm, breaking strength of more than 5cN/dtex, elongation of less than 30%, porosity of more than 70%, and fiber diameter of 1-6um
(3) The method comprises the following steps:
step a, cleaning away surface silt under the premise of not damaging the original state of the underwater broken tank.
And b, shearing polypropylene fiber cloth according to the area (or the partition area) of the broken tile pot, covering the fiber cloth on the surface of the cleaned broken tile pot, and pressing a proper weight to ensure that the fiber cloth is tightly attached to the broken tile pot in water.
And c, coating the veratraldehyde in a molten state on the surface of the polypropylene fiber cloth covered on the tile breaking tank by using a needle tube under water, waiting for infiltration and spreading, and bonding the polypropylene fiber cloth with the lower tile breaking tank.
And d, cleaning sand on the side surface of the broken tile pot on the premise of not damaging the state of the broken tile pot, shearing polypropylene fiber cloth with proper size to wrap the side surface of the broken tile pot, and then coating the polypropylene fiber cloth with the melted veratraldehyde to firmly adhere the side surface of the broken tile pot.
And e, supplementing polypropylene fiber cloth and coating the melted veratraldehyde until the broken tile pot is firmly wrapped, carefully moving the wrapped body, and slowly moving the water.
And f, cleaning the silt on the bottom surface of the inclusion, supplementing the fused veratraldehyde for reinforcement if necessary, and turning the inclusion to place on a proper base.
And h, putting the mixture into a 40 ℃ blast oven environment to ensure that veratraldehyde is automatically sublimated and the original shape of the tile breaking tank is restored.
Example 2
The invention relates to an in-situ solid extraction method for underwater fragile cultural relics or relics. According to the content and implementation steps of the invention, a broken tile pot buried in underwater sand grains is completely extracted to be above the water surface under the condition of keeping the original state under water, and the original state of the broken tile pot is restored in the air. The implementation method comprises the following steps:
(4) weighing about 100g veratraldehyde, and heating in water bath to 50 deg.C for melting.
(5) Preparing a piece of polypropylene fiber cloth with a square of about 50cm, breaking strength of more than 5cN/dtex, elongation of less than 30%, porosity of more than 70%, and fiber diameter of 1-6um
(6) The method comprises the following steps:
step a, cleaning away surface silt on the premise of not damaging the original state of the underwater broken tile tank.
And b, shearing polypropylene fiber cloth according to the area (or the partition area) of the broken tiles, covering the fiber cloth on the surface of the cleaned broken tiles, and pressing a proper weight to ensure that the fiber cloth is tightly attached to the broken tile tank in water.
And c, coating the veratraldehyde in a molten state on the surface of the polypropylene fiber cloth covered on the tile breaking tank by using a needle tube under water, waiting for infiltration and spreading, and bonding the polypropylene fiber cloth with the lower tile breaking tank.
And d, cleaning sand on the side surface of the broken tile pot on the premise of not damaging the state of the broken tile pot, shearing polypropylene fiber cloth with proper size to wrap the side surface of the broken tile pot, and then coating the polypropylene fiber cloth with the melted veratraldehyde to firmly adhere the side surface of the broken tile pot.
And e, supplementing polypropylene fiber cloth and coating the melted veratraldehyde until the broken tile pot is firmly wrapped, carefully moving the wrapped body, and slowly moving the water.
And f, cleaning the silt on the bottom surface of the inclusion, supplementing the fused veratraldehyde for reinforcement if necessary, and turning the inclusion to place on a proper base. .
And h, putting the mixture into a 50 ℃ blast oven environment to ensure that veratraldehyde is automatically sublimated and the original shape of the tile breaking tank is restored.
Comparative example 1:
in accordance with the teachings and procedures of practice of the present invention, veratraldehyde from example 1 was operated with a terrestrial temporary solid material, cyclododecane or menthol. As a result, neither cyclododecane nor menthol enters water in a molten state, and even when the molten material is heated in water, it is impossible to bond objects such as wood, metal, ceramics, and sand in water. Therefore, the material cannot be used as an in-situ fixing material for underwater fragile cultural relics or vestige.
Comparative example 2:
according to the content and implementation steps of the invention, veratraldehyde in example 1 is replaced by benzophenone or paeonol for operation. As a result, the benzophenone or the paeonol can enter water in a molten state, is insoluble in water, and can partially bond objects such as wood, metal, ceramics, sand and the like in the water. However, in terms of underwater operation time, at 25 ℃ water temperature, the benzophenone crystallization and solidification time is 3s, the paeonol crystallization and solidification time is 33s, and veratraldehyde is as long as 361 s. Unless rapid bonding is required, the operation time of benzophenone or paeonol in normal-temperature water is too short, and the benzophenone or paeonol is not as good as veratraldehyde as an in-situ solid material for underwater fragile cultural relics or vestiges.
Comparative example 3:
according to the content and implementation steps of the invention, the polypropylene fiber cloth in example 1 is replaced by absorbent cotton gauze. As a result, it was found that veratraldehyde, which is molten in water, cannot permeate and spread on the surface of absorbent cotton gauze. Therefore, the absorbent cotton gauze can not be well bonded with objects such as wood, metal, ceramic, sand and the like wrapped by the absorbent cotton gauze.
The foregoing description is not intended to limit the present invention, and it should be noted that various changes, modifications, additions and substitutions may be made by those skilled in the art without departing from the spirit and scope of the present invention, and such changes and modifications should be construed as within the scope of the present invention.
Claims (5)
1. A solid form extraction method adopting underwater fragile cultural relics or vestige in-situ solid form is characterized by comprising the following steps:
1) covering the fiber cloth on the surface of the cleaned cultural relic or relic under water;
2) the temporary fixing material is in a molten state by heating or other physical methods, the molten temporary fixing material is coated on the surface of fiber cloth covering the surface of the cultural relic or the relic under water, and the fiber cloth is bonded with the cultural relic or the relic below after the fiber cloth permeates and spreads;
3) carefully moving the wrapped cultural relics or the relics out of water, and putting the cultural relics or the relics into a high-temperature and ventilated environment to ensure that the temporary fixing material is automatically sublimated and cleaned, so that the cultural relics or the relics are restored to the original state;
the temporary solid material is a single compound or a mixture which takes the single compound as the main component and has the content of more than 90 percent, wood, metal, ceramic or sand grains can be bonded under water in a molten state, the single compound is benzophenone or paeonol or veratraldehyde, and the chemical structural formulas are respectively as follows:
the fiber cloth is polypropylene fiber cloth, polyester fiber cloth or nylon fiber cloth, the melting point of the fiber cloth is 40-60 ℃, the breaking strength is more than 5cN/dtex, the elongation is less than 30%, the porosity is more than 70%, and the fiber diameter is 1-6 um.
2. The solid pattern extraction method as claimed in claim 1, wherein the fiber cloth is polypropylene fiber cloth.
3. The solid type extraction method according to claim 1, wherein in the step 2), the temporary solid type material in a molten state can spread on the fiber cloth, and the contact angle of the molten temporary solid type material on the fiber cloth is finally 0.
4. The solid type extraction method according to claim 1, wherein the high temperature in the step 3) is 50 ℃ or less.
5. The solid type extraction method according to claim 1, 2, 3 or 4, which comprises the following steps:
step a, cleaning away surface silt on the premise of not disturbing underwater fragile cultural relics or vestiges;
b, cutting the fiber cloth according to the area or the partition area of the cultural relic or the relic, and covering the fiber cloth on the surface of the cleaned cultural relic or the relic to enable the cultural relic or the relic to be tightly attached;
c, the temporary fixing material is in a molten state by heating or other physical methods, the molten fixing material is coated on the surface of the fiber cloth covering the surface of the cultural relic or the relic under water, and the fiber cloth is bonded with the cultural relic or the relic under the fiber cloth after the fiber cloth is permeated and spread;
d, on the premise of not damaging the state of the cultural relics or the vestige, cleaning sand or impurities on the side surfaces of the cultural relics or the vestige, shearing fiber cloth with proper size to wrap the side surfaces of the cultural relics or the vestige, then coating the fiber cloth with a molten solid material, and bonding the side surfaces of the cultural relics or the vestige;
checking whether the bonding is firm or not, otherwise, continuously cleaning, paving fiber cloth and coating temporary fixing materials including partial bottom surfaces until the cultural relics or the relics are wholly wrapped and fixed firmly, and then carefully moving the wrapping objects to slowly move water;
f, in the air, firstly cleaning the bottom silt and supplementing the molten temporary solid material when necessary to strengthen the whole body;
and g, putting the temporary fixing material into a ventilating environment at the temperature of less than or equal to 50 ℃ to ensure that the temporary fixing material is automatically sublimated and cleaned, and removing the fiber cloth to restore the original shape of the cultural relic or the vestige.
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| CN112812544B (en) * | 2021-02-04 | 2021-11-12 | 浙江大学 | In-situ solid multi-coated extraction material and extraction recovery method for underwater fragile cultural relics |
| CN115322501B (en) * | 2021-05-25 | 2023-11-24 | 浙江大学 | Reversible and recyclable fixing agent for fixing fragile articles and fixing extraction method |
| CN113621315B (en) * | 2021-08-22 | 2022-05-03 | 浙江大学 | Temporary solid material for underwater fragile cultural relics and extraction method |
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| CN101962911A (en) * | 2010-08-13 | 2011-02-02 | 中国科学院上海有机化学研究所 | Application of menthol and derivatives thereof as cultural relic excavation site reinforcing material |
| CN104631105A (en) * | 2015-01-27 | 2015-05-20 | 中国科学院上海高等研究院 | Application and method for temporarily reinforcing cultural relics in excavation site by one type of reinforcing material |
| CN104652124A (en) * | 2015-03-03 | 2015-05-27 | 中国科学院上海高等研究院 | Composite material with gradient melting points, and applications thereof in reinforcing of excavation site antiques |
| CN107975024A (en) * | 2017-11-18 | 2018-05-01 | 北京科技大学 | Interim curable type material and its application in Unearthed when Archaeological Studies fragility remnants extraction |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962911A (en) * | 2010-08-13 | 2011-02-02 | 中国科学院上海有机化学研究所 | Application of menthol and derivatives thereof as cultural relic excavation site reinforcing material |
| CN104631105A (en) * | 2015-01-27 | 2015-05-20 | 中国科学院上海高等研究院 | Application and method for temporarily reinforcing cultural relics in excavation site by one type of reinforcing material |
| CN104652124A (en) * | 2015-03-03 | 2015-05-27 | 中国科学院上海高等研究院 | Composite material with gradient melting points, and applications thereof in reinforcing of excavation site antiques |
| CN107975024A (en) * | 2017-11-18 | 2018-05-01 | 北京科技大学 | Interim curable type material and its application in Unearthed when Archaeological Studies fragility remnants extraction |
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