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Stone anti-pollution protective agent

A technology of protective agent and stone, applied in the direction of biocide-containing paint, antifouling/underwater paint, coating, etc. Fouling performance, enhancing acid resistance and alkali resistance, improving the effect of storage stability

Inactive Publication Date: 2018-09-28
蒋春霞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The main technical problem to be solved by the present invention is to provide a stone antifouling protective agent for the disadvantages of traditional stone protective agents such as poor water resistance, acid and alkali resistance and poor stain resistance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0022]Add chitosan and water into No. 1 beaker at a mass ratio of 1:100, stir and mix with a glass rod for 30 minutes, let it stand for swelling for 4 hours, and then move No. , under the condition of 500r / min, heat and stir to dissolve for 50min to obtain chitosan liquid; in parts by weight, add 30 parts of octene dropwise to a three-necked flask containing 40 parts of chitosan liquid with a dropping funnel succinic anhydride, and then moved the three-necked flask to a digital display speed measuring constant temperature magnetic stirrer, and then used a dropping funnel to drop a sodium hydroxide solution with a mass fraction of 5% to the three-necked flask to adjust the pH to 8.5. , under the condition of 500r / min, heat and stir for 3h to obtain a mixed solution, then dropwise add hydrochloric acid with a mass fraction of 10% to the mixed solution, adjust the pH of the mixed solution to 7.1, obtain a modified chitosan solution, and emulsify The modified chitosan solution was...

example 2

[0024] In parts by weight, 20 parts of sepiolite, 20 parts of aldehyde, 60 parts of water, and 10 parts of sodium hydroxide solution with a mass fraction of 10% are placed in the No. 3 beaker, and then the No. 3 beaker is placed on the digital display to measure the speed In a constant temperature magnetic stirrer, at a temperature of 80°C and a rotational speed of 500r / min, heat and stir for 50 minutes to obtain a mixed solution, and then filter the mixed solution to obtain modified sepiolite; in parts by weight, the 40 parts of rubber powder, 50 parts of stone powder, 5 parts of thickener, 10 parts of carbomer, 10 parts of silane coupling agent, 20 parts of modified sepiolite, 100 parts of water in the mixer, at a speed of 1200r Under the condition of / min, stir at high speed for 60min to get stone antifouling and protective agent. The rubber powder is peach gum powder. The emulsifier is monoglyceride. The stone powder is quartz powder. The thickener is sodium carboxymeth...

example 3

[0026] Add chitosan and water into No. 1 beaker at a mass ratio of 1:100, stir and mix with a glass rod for 30 minutes, let it stand for swelling for 4 hours, and then move No. , under the condition of 500r / min, heat and stir to dissolve for 50min to obtain chitosan liquid; in parts by weight, add 30 parts of octene dropwise to a three-necked flask containing 40 parts of chitosan liquid with a dropping funnel succinic anhydride, and then moved the three-necked flask to a digital display speed measuring constant temperature magnetic stirrer, and then used a dropping funnel to drop a sodium hydroxide solution with a mass fraction of 5% to the three-necked flask to adjust the pH to 8.5. , under the condition of 500r / min, heat and stir for 3h to obtain a mixed solution, then dropwise add hydrochloric acid with a mass fraction of 10% to the mixed solution, adjust the pH of the mixed solution to 7.1, obtain a modified chitosan solution, and emulsify The modified chitosan solution wa...

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Abstract

The invention discloses a stone anti-pollution protective agent and belongs to the technical field of stone protection. The stone anti-pollution protective agent is prepared by the following steps: dropwise adding octenyl succinic anhydride into a chitosan liquid, then dropwise adding a sodium hydroxide solution to adjust pH, heating, stirring and reacting, adjusting pH to obtain a modified chitosan liquid, and carrying out ultrasonic dispersion on an emulsifier and the modified chitosan liquid at the mass ratio of 1: 50-1: 100 so as to obtain a modified nanometer chitosan emulsion; heating meerschaum, aldehyde, water and sodium hydroxide solution and stirring and reacting, and filtering to obtain modified meerschaum; placing rubber powder, the modified nanometer chitosan emulsion, stone flour, a thickening agent, Carbomer, a silane coupling agent, modified meerschaum and water into a feed mixer, and stirring at high rotating speed of 1000-1200 r / min so as to obtain the stone anti-pollution protective agent. the stone anti-pollution protective agent prepared by the technical scheme has excellent waterproofness and resistance to soiling, and acid resistance and alkali resistance ofthe product are also remarkably enhanced.

Description

technical field [0001] The invention discloses a stone antifouling protective agent, which belongs to the technical field of stone protection. Background technique [0002] As a natural building material with dual functions of construction and decoration, stone is more and more widely integrated into people's lives. Stone is solid in texture, rich in color, elegant in appearance, strong and durable, so it is widely used in various fields. From luxury hotels, shopping malls to the ground of ordinary families, you can see the application of stone everywhere. The reason why people choose stone is that in addition to its architectural function, it is more optimistic about its natural decorative beauty. As a mineral resource, stone will leave various pores and cracks during the formation process. Improper use (such as unreasonable stacking, packaging, transportation) or contact with external pollution sources (such as water vapor, rain, oil, etc.) It will cause pollution to th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D105/08C09D5/16C08B37/08
CPCC08B37/003C08L2205/035C09D5/1637C09D5/1656C09D5/1687C09D105/08C08L33/02C08L5/00C08L1/286C08K13/06C08K9/04C08K9/02C08K7/10C08K3/36C08K5/544
Inventor 蒋春霞殷磊陈一水
Owner 蒋春霞
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