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The Difference between Silicone and Silicone Resin -- 2020-11-27

Silica gel (Silica gel; Silica) Alias: Silicone rubber is a kind of highly active adsorption material, which is an amorphous substance, and its chemical formula is mSiO2.nH2O. It is insoluble in water and any solvents, non-toxic, tasteless, chemically stable, and does not react with any substances except strong alkalis and hydrofluoric acid.According to its properties and components, silica gel can be divided into organic silica gel and inorganic silica gel.Organic silica gel is an organosilicon ...

Relevant Technology and Screening of Epoxy Modified Silicone Resin -- 2020-11-26

Add materials 5, 6 and 7 into a clean and dry reaction flask with a stirring and reflux device, and gradually add a mixture of 1, 2, 3, 4 and 8 from the feeding port under stirring to maintain 20-40 The dripping is finished for about 1~1.5h between °C. Then the temperature was raised to 80C, and the ethanol produced in the reaction was evaporated. After most of the ethanol is evaporated, the temperature is raised to 120-130C, connected to a decompression system, the residual ethanol is removed ...

What Components Can be Used as a Characteristic Index to Measure The Hydrophilicity of Surfactants -- 2020-11-25

Surfactant Surfactant is a molecule formed by two completely different particles, one particle has a strong lipophilicity, and the other has a strong hydrophilicity. After being dissolved in water, surfactants can reduce the surface tension of water and improve the solubility of organic compounds. A wide range of surfactants (cationic?, anionic?, non-ionic and amphoteric) provide multiple functions for specific applications, including foaming effect, surface modification, cleaning, emulsion ...

The Development Trend of Surfactants -- 2020-11-24

The development trend of surfactantsAt present, developed countries have established a complete system for research in the field of surfactants, which can realize the diversification and serialization of product research and development. The development efforts are very strong, and the development concept has broken through the traditional surfactants.Take the application of surfactants in pesticides as an example. Foreign studies on the effect of surfactants on the activity of herbicides have s ...

Advantages and Uses of Silicone Defoamers -- 2020-11-23

Silicone defoamer is a white viscous emulsion. It has been used in various industrial fields since the 1960s, but large-scale and comprehensive rapid development started in the 1980s. As an organosilicon defoamer, its application fields are also very wide, attracting more and more attention from all walks of life. In the chemical, paper, coating, food, textile, pharmaceutical and other industrial sectors, silicone defoamer is an indispensable auxiliary in the production process. It can not only ...

The Properties of Amino Silicone Oil -- 2020-11-20

1 Classification of amino silicone oil Amino silicone oil can be divided into single-end type, double-end type, side-end type, copolymer type and mixed type according to the position of the amino group in the polysiloxane molecule. Classified by end groups, there are amino silicone oils such as methyl, methoxy and hydroxyl. The end group is methyl called "inactive amino silicone oil", which is more suitable for processing cotton and silk fabrics. The end groups are hydroxyl and methox ...

Types and Applications of Silane Coupling Agents -- 2020-11-19

The application of silane coupling agent can be roughly summarized into three aspects;(1) Used for surface treatment of glass fiber. Silane coupling agent can improve the bonding performance of glass fiber and resin, and improve the strength, water resistance and weather resistance of glass fiber reinforced composite materials. In 2004, the silane coupling agent used in glass fiber accounted for more than 50% of its total consumption. Among them, vinyl silane, amino silane, methacryloxy silane, ...

Classification of Water-based Defoamers and How to Choose -- 2020-11-18

The water-based defoamer is formulated with dimethyl silicone oil, white carbon black, emulsifier, etc., and is made into a water emulsion dispersible defoamer using emulsification technology. All raw materials and links are non-toxic, with the characteristics of fast dispersion, fast defoaming, long suppression time, stability and no delamination.Foam and foam often accompany people’s life and production, and sometimes need to use it, such as flotation, fire extinguishing, dust removal, washin ...

What is the Difference between Polyether Defoamers and Silicone Defoamers and Inorganic Silicon Defoamers -- 2020-11-17

In the defoaming agent industry, I believe everyone knows that polyether defoamers and silicone defoamers have their own characteristics. What are their characteristics and what are the differences? Something is short, so let Jingqi defoamer manufacturers tell you.Polyether defoamer:In recent years, it has been widely used and researched. The main component is formed by ring-opening polymerization of ethylene oxide (EO) and propylene oxide (PO). It is a water-soluble surfactant with excellent no ...

The Leveling Principle of Leveling Agent -- 2020-11-16

The leveling principle of silicone leveling agent: surface tension is the main driving force for the leveling of the coating film, but poor surface tension is the main source of surface defects of the coating film. Increase the surface tension of the coating film to achieve a balance of surface tension, which is very beneficial to the flow and leveling of the coating film, but it cannot be done. Therefore, people have to reduce the surface tension of the coating film to eliminate the difference ...

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