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Temporary sealing and protecting method for cultural relics at archaeological excavation site

A temporary and cultural relic technology, applied in the direction of coating, etc., can solve the problems of increasing the cost of archaeological and cultural relics protection, cyclododecane is expensive and difficult to degrade, and achieves simple and effective protection, good sealing effect and easy removal Effect

Pending Publication Date: 2018-11-23
SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the toxicity and toxicology of cyclododecane has not yet been determined, and it is difficult to degrade in organisms and is cumulative. There is a potential risk for archaeologists to contact with it for a long time; it is difficult to degrade in the environment and has potential harm to the environment.
Moreover, cyclododecane is expensive, which will greatly increase the cost of archaeology and cultural relics protection

Method used

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  • Temporary sealing and protecting method for cultural relics at archaeological excavation site
  • Temporary sealing and protecting method for cultural relics at archaeological excavation site
  • Temporary sealing and protecting method for cultural relics at archaeological excavation site

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] In this embodiment, menthol is used to simulate the temporary sealing of water-sensitive samples by melting method. Put menthol in a glass beaker, heat and melt in a water bath at 60°C, and quickly apply the melt directly on the surface of the sample with a brush or dropper, and pay attention to ensure that the surface of the simulated sample is covered during the coating process. full coverage. After the material penetrates into the surface of the sample and cools and solidifies, the temporary sealing of the water-sensitive sample is realized. In this embodiment, the thickness of the sealing layer is about 0.3 cm, and the amount of the sealing material and the thickness of the sealing layer are determined by the permeability of the cultural relics to be treated. In this embodiment, after the temporarily sealed sample is placed in an open environment (room temperature 25°C, relative humidity 60%) for a week, the moisture content in the simulated sample changes less tha...

Embodiment 2

[0038] In this example, menthol is used to simulate the temporary sealing of water-sensitive samples. The difference from Example 1 is that 3g of menthol is dissolved in 1g of organic solvent and then placed in a spray can and applied to cultural relics by spraying. Dissolve menthol in an organic solvent and put it in a spray can, and spray it directly on the surface of the sample by spraying, and pay attention to ensure that the surface of the simulated sample is completely covered during the spraying process. After the organic solvent volatilizes and the material solidifies, the temporary sealing of the water-sensitive sample is realized. In this embodiment, the thickness of the sealing layer is about 0.1 cm. In this embodiment, the organic solvent used is propane. In this embodiment, the process parameters used are the same as those in Embodiment 1. In this embodiment, after the temporarily sealed sample is placed in an open environment (room temperature 25°C, relative hum...

Embodiment 3

[0040] In this embodiment, menthyl lactate is applied to simulate the temporary sealing of samples sensitive to oxygen by adopting a melting method. Put menthyl lactate in a glass beaker, heat and melt in a water bath at 60°C, and quickly spray the melt directly on the surface of the sample with a brush or dropper, paying attention to ensure that the surface of the simulated sample is completely covered during the coating process. After the material is cooled and solidified, the temporary protection of the oxygen-sensitive sample is realized. In this embodiment, the thickness of the sealing layer is about 0.3 cm. In this embodiment, the process parameters used are the same as those in Embodiment 1. In this embodiment, the temporarily sealed sample and the blank sample were placed in a ventilated environment for 30 days, the sealed simulated sample remained unchanged, and the blank sample was oxidized by oxygen in the air. Therefore, the temporary sealing material can play a r...

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Abstract

The invention relates to a temporary sealing and protecting method for cultural relics at an archaeological excavation site. A temporary sealing and protecting material is prepared from a solvent andmenthol or / and menthol derivative dispersed in the solvent, wherein the solvent is at least one of ethyl alcohol, acetone, diethyl ether, propyl butane and pentane, and the content of menthol or / and menthol derivative is 20 to 90wt%.

Description

technical field [0001] The invention belongs to the technical field of protection of cultural relics at archaeological sites, and in particular relates to a method for temporarily sealing and protecting cultural relics at an archaeological excavation site by removing temporary sealing materials under control. Background technique [0002] The cultural relics that have been buried underground for thousands of years have reached a relatively stable state with the surrounding environment, and are in a dynamic balance. At this time, the rate of change of cultural relic materials will become flat or even stop completely. Archaeological excavation is to re-discover cultural relics from the ground, which is an irreversible process of destruction. When archaeological excavators conduct archaeological excavations, the cultural relics are excavated from the ground. With the rapid changes in the surrounding environment, the physical and chemical balance established during the accumulat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/00
CPCC09D5/00
Inventor 黄晓于亚荣韩向娜罗宏杰
Owner SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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