Use of tetrafluoro resin on art treasure protection

A technology of cultural relics protection and tetrafluororesin, which is applied in the direction of preservation of paintings, decorative arts, coatings, etc., can solve the problems of unstable chemical structure, insufficient wear resistance and hardness of fluorine rubber, and achieve beyond anti-oxidation performance and excellent weather resistance sexual effect

Inactive Publication Date: 2006-09-27
CHINA PAINT MFG CO SHENZHEN +1
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The invention patent application with the application number of 200410041244.0 discloses a method of protecting cultural relics by dissolving fluororubber in an organic solvent and coating the solution on the surface of cultural relics. This method utilizes the anti-oxidation performance and certain elasticity of fluororubber to solve the problem Prior to this application, the prior art had the disadvantages of becoming brittle, hard, peeling, and producing luster on the surface of cultural relics. However, the wear resistance and hardness of fluorine rubber were not enough, and its chemical structure was not stable enough, so it was applied on the surface of cultural relics. The durability of the fluorine rubber protective film still needs to be improved, especially when it is necessary to protect the cultural relics that are exposed to the wild all the year round and withstand the sun and rain.

Method used

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  • Use of tetrafluoro resin on art treasure protection
  • Use of tetrafluoro resin on art treasure protection

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0021] 1. Main agent components (weight ratio): 74% tetrafluororesin, 0.4% defoamer, 0.2% polydimethylsiloxane solution, 0.6% special ultraviolet light absorber, 0.3% special composite vinyl oxide , fumed silica 6%, butyl acetate 4.5%, mixed high boiling point solvent 7%, xylene 3%, 100 # Solvent preparation 4%;

[0022] The main ingredient components are obtained through the following preparation process:

[0023] a. Pour tetrafluororesin into the dispersion tank

[0024] b. Add defoamer, polydimethylsiloxane solution, special ultraviolet light absorber, and special composite vinyl oxide in sequence, and stir at a medium speed for more than 5 minutes until uniform;

[0025] c. Add functional matting filler under medium-speed stirring state, and disperse to a suitable fineness at high speed;

[0026] d. Add butyl acetate, mixed high boiling point solvent, xylene in sequence, and stir evenly;

[0027] e. use 100 # Solvent washing machine, adjust to the appropriate viscosit...

Embodiment 2

[0035]1. Main agent components (weight ratio): 70% tetrafluororesin, 0.4% defoamer, 0.2% special leveling aid solution, 0.6% special ultraviolet light absorber, 0.3% special composite vinyl oxide, diatom Soil or aluminum silicate 10%, butyl acetate 4.5%, mixed high boiling point solvent 7%, xylene 3%, 100 # Solvent preparation 4%;

[0036] The preparation method of above-mentioned main agent is identical with embodiment one;

[0037] 2. Crosslinking agent components (weight ratio): HDI polymer 80%, water absorbent 0.2%, inert filling gas 0.3%, solvent 19.5%;

[0038] The preparation method of described linking agent is identical with embodiment one;

[0039] 3. Diluent components (weight ratio): 30% xylene, 25% 100 # Solvent, 25% butyl acetate and 20% mixed high boiling point solvent. The above diluents are put into the tank in sequence and stirred evenly, then they can be packaged for use.

[0040] When using on site, first pour the main agent into the container, add the...

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Abstract

The invention discloses a tetrafluoride resin appliance on the cultural protection, which is characterized by the following: adapting tetrafluoride resin as main connecting material and HDI polymer as main cross linker; adding functional adjuvant, delustring filler; taking mixing organic solvent as diluent; matching to form paint; coating on the surface of culture. the tetrafluoride resin poseeses good weatherability and superior resistance to oxidation, which displays durability.

Description

technical field [0001] The invention relates to a method for protecting cultural relics, in particular to a method for protecting cultural relics with tetrafluororesin as the main connecting material. The method of the invention can protect the surface of cultural relics such as bronze ware, textiles, paper, stone, brick, porcelain, ironware, painted pottery, etc., and is especially suitable for large-scale stone cultural relics exposed in the wild. Background technique [0002] Our country has a splendid history of 5,000 years, and there are a large number of historical sites and cultural relics that need to be protected. It is a complex and arduous systematic project to protect the unearthed ancient bronzes, pottery, textiles, wood lacquerware, paper, Dunhuang murals, stone carvings, Buddha, and stone tools exposed to the wild and murals exposed to the air. Environmental factors affecting cultural relics are mainly temperature, humidity, air pollut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/18B44D7/00
Inventor 沈浩
Owner CHINA PAINT MFG CO SHENZHEN
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