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Preparation method and reinforcement method of crispy powder ceramic culture relic reinforcement material

A technology of ceramic cultural relics and reinforcement materials, which is applied in the field of cultural relics protection to achieve good reinforcement protection and simple and easy operation

Inactive Publication Date: 2014-02-12
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

For example, CN100450974C discloses a vacuum impregnation protection method for unearthed cultural relics, which uses organosilicon compound as an impregnation protection material to protect water-containing unearthed cultural relics; Silicone aqueous solution and inorganic silicon waterproofing agent are used as protective materials to infiltrate and strengthen cultural relics; literature reports have used ethyl silicate and oligomeric siloxane to protect historic sites in Spain and Italy, γ-(methacryloyloxy)propyltrimethoxy silane, polyhedral oligomeric silsesquioxane modified ethyl orthosilicate materials to protect stone cultural relics, etc., but the reinforcement and protection materials for ceramic cultural relics caused by soluble salts such as sodium chloride and calcium chloride There are few research reports, so it has a certain penetration depth, does not change the color and surface state of the reinforced sample, and at the same time, the strength of the reinforced sample matches the crisp powder ceramic sample matrix, and has a certain degree of air permeability and salt corrosion resistance. It is important and necessary to study the reinforcement and protection materials of crisp powder ceramic cultural relics

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  • Preparation method and reinforcement method of crispy powder ceramic culture relic reinforcement material

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preparation example Construction

[0021] The preparation method of the crisp powder ceramic relics reinforcement material of the present invention comprises: mixing ethyl orthosilicate and hydroxyl-terminated polydimethylsiloxane, stirring for 12 to 24 hours; Continue to stir for more than 5 minutes under the action to prepare the crisp powder ceramic cultural relic reinforcement material.

[0022] The reinforcement method of the crisp powder ceramic cultural relics of the present invention comprises: slowly adding the reinforcement material prepared by the above preparation method on the crisp powder ceramic cultural relics covered with adsorption materials until the adsorption materials are in a saturated state; Store in the box until the reinforcing material is completely cured.

[0023] In combination with the above preparation method and reinforcement method, more specifically, as an example, the present invention may include the following steps.

[0024] (1) Add hydroxyl-terminated polydimethylsiloxane ...

Embodiment 1

[0033] The main steps of the preparation of a reinforcement and protection material for crunchy powder pottery cultural relics caused by reinforcement of soluble salts such as sodium chloride and calcium chloride are as follows:

[0034]Add 5ml of hydroxyl-terminated polydimethylsiloxane with a molecular weight of 700, a hydroxyl group content of 4-6%, and a viscosity of 32cst to 50ml of tetraethyl orthosilicate, control the temperature of the heating magnetic stirrer at 25°C, and the speed of 400rpm, and add magnetic force to the liquid After stirring with a stirring bar for 24 hours, add 0.5ml of catalyst dibutyltin dilaurate and stir for 5 minutes, and synthesize crisp powder ceramic cultural relics reinforcement and protection material.

[0035] The protection steps for consolidating the fragments of crispy powder pottery cultural relics unearthed from the Dianzi Qin Tomb in Longxian County, Shaanxi Province are as follows:

[0036] Use the pulp wrapping method and multipl...

Embodiment 2

[0039] The reinforcement and protection material preparation of crispy powder pottery cultural relics is as in Example 1;

[0040] The protection steps of the reinforced crisp powder simulation sample are as follows:

[0041] Take Shaanxi Qinling clay and sieve it with 100 meshes, then fire it in a muffle furnace at 700°C to make ceramic crisp powder particles, weigh 2.00g of pottery powder, use a sample box with a diameter of 2.5cm as a mold, and the depth of the pottery powder sample is 6mm , 5ml of reinforcement material, slowly drip the protection material with the needle dripping method, all the materials are infiltrated into the ceramic powder sample, and the reinforced sample is sealed and placed in a constant temperature and humidity box with a temperature of 25°C and a relative humidity of 50% for 2 weeks. ;

[0042] The test results of the crispy powder simulation sample after protection are as follows: ①The color change value of the surface before and after reinfor...

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Abstract

The invention relates to a preparation method and a reinforcement method of a crispy powder ceramic culture relic reinforcement material. The preparation method comprises the following steps: mixing ethyl orthosilicate and hydroxyl terminated polydimethylsiloxane, and stirring for 12 to 24 hours; continuously stirring an obtained mixture for more than 5 minutes under the effect of a dibutyltin dilaurate catalyst so as to obtain the crispy powder ceramic culture relic reinforcement material.

Description

technical field [0001] The invention belongs to the field of cultural relic protection, and relates to a preparation method and a reinforcing method of a crisp powder pottery cultural relic reinforcement material. Background technique [0002] Pottery is one of the earliest inventions in human history, and the invention of pottery is an important symbolic progress in the history of human civilization. Ancient Chinese pottery cultural relics have distinct characteristics of the Chinese nation and are one of the most precious historical and cultural heritage left by the ancestors of the Chinese nation. The development and evolution of ancient pottery cultural relics are closely related to human production and life. In the development and evolution of nearly ten thousand years, it has witnessed the development of Chinese civilization. It is an important carrier of historical information and reflects the invention and progress of human technology. It embodies the ingenuity of t...

Claims

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Application Information

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IPC IPC(8): C04B26/30C04B41/49
Inventor 赵静罗宏杰李伟东周铁容波王丽琴李晓溪
Owner SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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