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A stone protective agent with anti-ultraviolet function and preparation method thereof
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An anti-ultraviolet and protective agent technology, applied in the direction of biocide-containing paint, anti-fouling/underwater paint, radiation-absorbing paint, etc. UV-aging properties, good hydrophobicity
Active Publication Date: 2018-02-27
SHAANXI RES DESIGN INST OF PETROLEUM CHEM IND
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Problems solved by technology
Although these patents can achieve a good sealing effect, good water resistance, oil resistance and durability, the impact of photoaging caused by ultraviolet rays on the service life and decoration of stone materials are not considered in their formulations.
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Embodiment 1
[0025] A stone protection agent prepared according to the following components in weight percentage:
[0026]
[0027] Wherein, the structure of alkyl / silane modified polydimethylsiloxane is:
[0028]
[0029] Wherein, n=16~18; x+y+z=500; x=7% of x+y+z; y=5% of x+y+z.
[0030] Preparation method: First add ethylene glycol monobutyl ether into the mixing tank, then add 2-hydroxy-4-(3-trimethoxysilylpropoxy)benzophenone, alkyl / silane modified polydimethyl Stir the siloxane and polymethyltriethoxysilane evenly, finally add Cathone, stir evenly again, and discharge to obtain the stone protective agent. The prepared stone protective agent is diluted 20 times with diluting solvent isopropanol to obtain a solvent-type stone protective agent; the obtained solvent-diluted stone protective agent has a good absorption effect on ultraviolet rays between 280 and 340 nm.
Embodiment 2
[0032] A stone protection agent prepared according to the following components in weight percentage:
[0033]
[0034] Wherein, the structure of alkyl / silane modified polydimethylsiloxane is:
[0035]
[0036]Wherein, n=12; x+y+z=200; x=10% of x+y+z; y=8% of x+y+z.
[0037] Preparation method: First add isopropanol, Span-60 and Tween-60 into the mixing tank and stir, when Span-60 and Tween-60 are completely dissolved, add 2-hydroxy-4-(3-triethyl Oxysilyl propionyloxy) benzophenone, alkyl / silane modified polydimethylsiloxane, polymethyltriethoxysilane, stir and mix evenly, add Cathone and ammonium sulfate and stir again , discharge, and prepare the stone protective agent. The prepared stone protective agent is diluted 30 times with water to obtain a water-based stone protective agent; the obtained water-based stone protective agent has a good absorption effect on ultraviolet rays between 280 and 340 nm.
Embodiment 3
[0039] A stone protection agent prepared according to the following components in weight percentage:
[0040]
[0041] Wherein, the structure of alkyl / silane modified polydimethylsiloxane is:
[0042]
[0043] Wherein, n=16~18; x+y+z=350; x=15% of x+y+z; y=5% of x+y+z.
[0044] Preparation method: first add dipropylene glycol, fatty alcohol polyoxyethylene ether-9 and fatty alcohol polyoxyethylene ether-3 with carbon numbers of 12 to 13 in a mixing kettle and stir until fatty alcohol polyoxyethylene ether-9 and After the fatty alcohol polyoxyethylene ether-3 is completely dissolved, add 2-hydroxy-4-(3-triethoxysilylpropoxy)benzophenone, alkyl / silane modified polydimethylsiloxane, poly After methyltriethoxysilane is stirred and mixed uniformly, Cathone and ammonium sulfate are added and stirred evenly again, and the material is discharged to obtain a stone protective agent. The prepared stone protective agent is diluted 15 times with water to obtain a water-based stone ...
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Abstract
The invention relates to a stone protective agent with an ultraviolet resistance function and a preparation method of the stone protective agent. The protective agent is prepared from diphenyl ketone derivative silane, a solvent, alkyl / silane polydimethylsiloxane, polymethyl triethoxy silane, an antibacterial preservative and the like. The preparation method comprises the following steps: dissolving a surfactant into the solvent at first, then adding diphenyl ketone derivative silane, alkyl / silane polydimethylsiloxane and polymethyl triethoxy silane, and finally adding the antibacterial preservative and ammonium sulfate to be uniformly mixed. The product disclosed by the invention can be prepared into a solvent type or water-based stone protective agent after respectively being diluted by the solvent or water, and effective components of the stone protective agent can be chemically combined with the surface of stone; the treated stone has the characteristics of high waterproofness and ultraviolet aging resistance, is applicable to protecting marble, granite, sandstone, really stone paint, cement, ceramic and artificial stone, and is particularly applicable to protecting outdoor stone.
Description
technical field [0001] The invention relates to a stone protective agent with anti-ultraviolet function and a preparation method thereof, in particular to a water-based, oil-based, waterproof and anti-ultraviolet aging stone protective agent. Background technique [0002] Stone is one of the most commonly used materials in modern architecture. It is widely used in the floor and wall decoration of hotels and office buildings, as well as the floors, bay windows, table and chair tops, cabinet tops, etc. of family houses. Stone is damaged by natural environment and human factors such as air pollution, acid rain, temperature difference, ultraviolet radiation and rain erosion during use, and is prone to discoloration, pulverization, water seepage and even cracking. The appearance of these problems makes the stone lose its decorativeness or reduce its load bearing Performance has seriously affected the use of stone. [0003] The stone protective agent can form a protective layer o...
Claims
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Application Information
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