Environment-friendly fluorine-contained water-based defoaming wetting agent and preparation method thereof

Abstract

The invention relates to an environment-friendly fluorine-contained water-based defoaming wetting agent and a preparation method thereof. The environment-friendly fluorine-contained water-based defoaming wetting agent is prepared from the following raw materials by mass percent: 10%-20% of natural fatty alcohol, 10%-20% of higher fatty alcohol, 1%-2% of an emulgator I, 2%-5% of an emulgator II, 1%-3% of a fluorine monomer, 2%-5% of siloxane, 5%-10% of silicon dioxide, 1%-2% of an antifreezing agent and 45%-60% of deionized water. The environment-friendly fluorine-contained water-based defoaming wetting agent is capable of, through rigorous raw material selection, and cooperating with an optimized synthetic mode, introducing a perfluor group to change a polymer structure, greatly improvinguniversality, weather resistance, pollution tolerance, high anti-corrosion and self-cleaning property of a product, and extensive in application prospect. The provided fluorine-contained water-based defoaming wetting agent is polymerized and prepared by the non-toxic harmless raw materials, and the product is green and environmentally friendly, and does not contain volatile matters, such as formaldehyde and a VOC, harmful to the environment.

Description

technical field [0001] The embodiment of the present invention relates to the technical field of fine chemicals, in particular to an environmentally friendly fluorine-containing water-based defoaming wetting agent and a preparation method thereof. Background technique [0002] With the improvement of human awareness of environmental protection, it is the general trend to replace organic solvents with water to prepare polymer liquid coatings. Water-based coatings were first applied and successfully replaced solvent-based coatings in the field of architectural coatings. The restrictions are becoming more and more stringent, and water-based coatings are gradually applied to industrial anti-corrosion, home decoration materials, textile printing and dyeing, paper printing and other fields. [0003] In recent years, water-based coatings have developed rapidly, not only in the low VOCs content to achieve zero emissions, but also with the advantages of no environmental pollution, no...

AI Technical Summary

Problems solved by technology

As far as the performance of defoaming is concerned, the performance of polyether and silicone is relatively good, so the research and development of modification and innovation of these two types of products are also relatively active, but due to the selection of raw materials and the process of process preparation, almost all need A large amount of emulsifiers are added for emulsification. Among them, the common emulsifier, alkylphenol polyoxyethylene ether, is recognized as being quite harmful to the environment and organisms. Long-term contact can cause skin allergies and is highly toxic to mammals and aquatic organisms. It is extremely difficult to decompose in the environment in the later stage, and the decomposition products cause the accumulation of organisms in the food chain, causing great long-term harm to environmental water sources and biological plants

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