Fluorosurfactants
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Chemical Name: Fluorosurfactants
Molecular weight: 0
Sample: Available
Fluorosurfactants: The Complete Guide
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Description of Fluorosurfactants
Basic Info of Fluorosurfactants
Fluorosurfactant, or FSA for short, is a surfactant with a fluorocarbon chain as a non-polar group, that is, a fluorine atom partially or completely replaces the hydrogen atoms on the hydrocarbon chain.
Chemical Name | Fluorosurfactants |
|---|---|
Synonyms | Fluorosurfactants |
CAS No. | |
Molecular Formula | |
Molecular Weight | 0 |
PSA | 0 |
LogP | 0 |
What is Fluorosurfactants?
With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Fluorosurfactants which has developed particularly rapidly in recent years. Do you know about Fluorosurfactants?
The official answer: Fluorosurfactant, or FSA for short, is a surfactant with a fluorocarbon chain as a non-polar group, that is, a fluorine atom partially or completely replaces the hydrogen atoms on the hydrocarbon chain. Fluorocarbon surfactants have high surface activity, high thermodynamic and chemical stability. Widely used in fire protection, chemical industry, pesticide, mineral processing, papermaking, leather, textile and other fields.
What’s the application of Fluorosurfactants?
- In the paper industry, fluorosurfactants are mainly used as paper coating aids and water and oil repellants.
With the development of my country’s economy and the improvement of people’s living standards, higher requirements have been placed on the quality of paper and cardboard. Through paper coating processing, many surface properties of paper can be improved, such as printability, rust and corrosion resistance, water and oil resistance, antistatic properties, high strength, and photographic development, recording and stenciling, conductivity and decoration. Coated paper can be divided into pigment-coated paper, resin-coated paper, and special-coated paper, etc. Among them, pigment-coated paper is a process made by coating pigments, adhesives and auxiliary ingredients on the surface of paper by a coating machine. Paper. Fluorosurfactants have important application value in the preparation and coating of paper coatings.
Dispersant
To prevent flocculation and settling of the coating and to keep the viscosity of the coating as low as possible for good flow and coating suitability, surfactants must be used as dispersants. To increase coater speed and save energy, high solids coatings are used. Fluorosurfactant, as a surfactant with excellent performance, has a very small amount and excellent effect, so it is an ideal coating dispersant.
defoamer
After the paper coating is made, in the process of pumping, sieving and coating, foam is often generated, causing pinholes, spots and “fish eyes” on the coated surface, thereby reducing the quality of the paper, so it must be added to the surface. The active agent acts as a defoamer. Fluorosurfactants provide extremely low surface tension and excellent defoaming.
lubricant
During the coating process, there is friction between the roller of the coating machine and the paper surface, which is easy to produce the phenomenon of “sticking head”, so it is necessary to add surfactant as a lubricant. Fluorosurfactants are ideal as lubricants because of their extremely small intermolecular forces.
There are generally three ways to use fluorosurfactant to treat paper with water and oil repellency: one is the external addition type, that is, the water and oil repellent containing fluorosurfactant is directly applied to the surface of the paper; the second is the internal addition type, which is about The fluorosurfactant is added during pulping and then processed into molding; the third is to add it to the paper coating, that is, before the paper is colored, add the fluorosurfactant to the coating, and apply it to the surface of the paper together with the coating. The role of the binder in the middle is more firmly combined with the paper. Using this method, a hydrophobic and oil-repellent layer with fluoroalkyl groups oriented outwards can be formed on the surface of the paper to play a waterproof and oil-proof effect, and the paper can maintain the original porosity, flexibility, and air permeability. The performance, appearance and wet strength are unmatched by plastic coated polyethylene film on the surface of paper.
Conclusion
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