A kind of preparation method of sealing and protecting agent for garden stone inscriptions
A kind of stone carving and tablet carving technology, applied in coatings, anti-corrosion coatings, etc., can solve the problems of high price, poor low temperature resistance, poor air permeability, etc.
Inactive Publication Date: 2020-12-22
沈小云
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Problems solved by technology
However, organic fluoropolymers have poor adhesion, poor air permeability, poor low temperature resistance, and are expensive
Method used
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Experimental program
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preparation example Construction
[0035] The invention discloses a preparation method of a sealing agent for garden stone inscriptions, comprising the following steps:
[0036] Step S1, add water at a temperature of 20°C ± 5°C into the first batching container, then add potassium tannate, add 50-60g potassium tannate per 1L of water, stir and disperse evenly; heat to raise the water temperature to 80 ℃±5℃, continue to stir for 1-2 hours; add sodium caseinate, the mass ratio of sodium caseinate to potassium tannate is 1-2:1, keep the water temperature at 80℃±5℃, continue to stir for 2.5- 3.5 hours; stop heating and continue to stir until the water temperature drops to 50°C±5°C; filter the filtrate, and place it in a water bath at 50°C±5°C under vacuum to evaporate and concentrate, when the liquid volume is reduced to 20±5% of the original When the concentration is stopped, it is used as the first reserve solution. Sodium caseinate is a high-molecular protein, which itself can have a certain viscosity in aqueou...
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Abstract
The invention discloses a preparation method of a garden stone tablet inscription protective agent. The preparation method comprises the following steps: forming a concentrated solution of a mixed solution prepared from potassium tannate and sodium caseinate, and using the concentrated solution as a first standby application solution; mixing the first standby application solution with glycerol, acrylate, dimethyl silicone oil and aminopropyl trimethoxy silane, thus forming a second standby application solution; shearing and homogenizing the second standby application solution, thus forming a protective agent finished product. The garden stone tablet inscription protective agent prepared by the invention can be directly coated on the surface of a target tablet inscription, and an anti-corrosion hydrophobic membrane can be formed on the surface of the tablet inscription after natural air-drying; the tablet inscription can be separated from rainwater or water in air, and the tablet inscription is prevented from being directly scoured or eroded by the rainwater or the water in the air; meanwhile, the garden stone tablet inscription protective agent has no corrosion function on the tablet inscription per se, so that garden tablet inscriptions can be well protected, and the garden tablet inscriptions can be preserved for a longer time.
Description
technical field [0001] The invention relates to the technical field of garden protection, in particular to a method for preparing a sealing agent for garden stone inscriptions. Background technique [0002] Cliff stone inscriptions (using natural stone walls to inscriptions and records), various inscriptions (inscribed inscriptions on the surface of stone after mining and processing) and other stone carving arts are unique forms of Chinese culture and an important part of China's historical and cultural heritage. Different from European and other Western inscriptions and records, China's stone engraving art has various inscription methods, including Yin engraving, Yang engraving, line engraving, and Yin-Yang combination. [0003] With the passage of time, many stone inscriptions have been eroded by rain, snow, moisture and sun for a long time due to the open air, resulting in pulverization, mottled crispness, blurred inscriptions, unclear outlines of statues, and severe weat...
Claims
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IPC IPC(8): C09D4/02C09D4/06C09D7/63C09D7/65C09D5/08
CPCC09D4/06C09D5/08C09D7/63C09D7/65
Inventor 沈小云薛志坚
Owner 沈小云