0.5nm small particle size silica sol, can make glass, ceramics, metal, etc. with higher impact resistance and excellent weathering performance.

Release time:

2023-08-21

Silica Sol is a colloidal solution formed by the uniform dispersion of silica colloidal particles in water, with many excellent properties and characteristics, as a fine chemical product, it is now widely used in the chemical industry, materials, textiles, paper making, electronics and other industrial fields.

The small particle size silica sol launched by Winlight Company has ultra-small particle size of 0.5nm and narrow particle size distribution, high transparency, the sol itself after acidic and organic modification, high stability of the system, can be stored at room temperature without gel, good compatibility of the system, can be dissolved with a variety of chemical materials, and can be used as the main body of the resin.

I. Characteristics

1.S005 series reinforcing solution can make glass, ceramics, metal and other substrates with higher impact resistance and excellent weather resistance, is a good surface protection coating;

2. It can be used alone or mixed with other compatible solution systems.

II. Main components and scope of use

1. The main components are silica, silicone resin, solvents, additives and so on;

2. It is used for surface protection and weather resistance enhancement of glass, ceramics and metal.

Silicone sol in modern industry part of the application　

1. Catalyst carrier

Silica sol has a large specific surface area, the produced silica particles are uniform, the pore size and distribution are easy to control, it is the best raw material for the preparation of catalyst carriers. Silicon oxide is the second largest raw material for catalyst carriers.

2. Semiconductor substrate polishing

Before the 1960s, semiconductor substrate polishing is also mostly along the micron-level abrasive mechanical polishing, the mechanical polishing surface there is serious damage. 1965 Walsh and Herzog proposed SiO2 sol and gel polishing, SiO2 slurry as a representative of the chemical mechanical polishing process gradually replaced the above old methods.

The silica hydrosol is currently the most representative CMP with polishing slurry grinding particles. At present, the dispersion method is mainly used, i.e., nanometer SiO₂powder is dispersed in aqueous solution by mechanical means to obtain SiO₂ CMP slurry. It has been proved that under the same polishing conditions, the particle size, shape and monodispersity of the abrasive are important factors affecting the quality of the polished surface. At present, spherical silica abrasives with a particle size of about 50 to 80 nm are commonly used in chemical mechanical polishing of silicon wafers. The silica sol of the particles to do monocrystalline silicon polishing agent, not only the effect is good, and the polishing speed is fast.

3. Textile industry

It can be used as textile sizing additives to reduce the rate of breakage; used in fabric dyeing, because of its bonding properties, can form an excellent protective liquid, increase the adhesion of dyeing and so on.

4. Paper industry

As a treatment agent for photopolymerized paper, an anti-adhesive agent for cellophane, other office paper can be treated to improve the printing effect and make the color development more vivid.

5.Ceramic fiber high temperature adhesive

The aluminum silicate fiber impregnated with silica sol, plus coagulant promoter, used as thermal insulation materials; do high-temperature furnace refractory brick surface binder, high bond strength, high temperature resistance (more than 1,000 ° C), energy savings, the furnace renovation is both economical and convenient.

6. Foam rubber reinforcement

By adding 5% silicone sol to dry rubber, it is possible to strengthen the porous foam rubber by 20%, and for a given volume of rubber, it is possible to save 20% of the rubber because of the increased elasticity.

7. Electrolyte for use in solid state batteries

Ordinary lead-acid battery life is short, the use of silica sol can be configured into a gel battery gel electrolyte, it greatly improves the service life of the battery; at the same time, the ordinary electrolyte sulfuric acid, in the motor vehicle is easy to overflow when turning sharply, but the use of solid battery electrolyte is a very good solution to the problem, and effectively prevents the leakage of sulfuric acid and overflow, to avoid the pollution of the environment.

8. Application in precision casting industry

The ceramic thin-shell (investment mold) investment casting method was developed as a result of the use of silica sol. Silicone sol instead of silicate can reduce costs and improve operating conditions. With a small particle diameter silicone sol made of thin shell strength, good finish, can greatly improve the quality of castings and dimensional precision.

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