Usage and function of vinyl silicone oil

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Vinyl silicone oil, also known as end vinyl silicone oil or vinyl polydimethylsiloxane, is an important organic silicon material. Its molecular structure contains vinyl functional groups, which gives it good reactivity and chemical stability. Vinyl silicone oil is usually a colorless or slightly yellow transparent liquid with low volatility and good temperature resistance. As a multifunctional material, vinyl silicone oil has a wide range of applications in various fields, and its unique properties and functions make it an indispensable component in many industrial processes and products.



1、 Usage of vinyl silicone oil
There are various uses of vinyl silicone oil, depending on its application and target performance. Here are several common uses:

As a diluent:
Vinyl silicone oil can be used as a diluent for various polymer materials, and by adjusting its dosage, the viscosity and flowability of the system can be changed.
Adding an appropriate amount of vinyl silicone oil in the production process of silicone rubber, coatings, inks, and other products can optimize the processing and application performance of the products.
When used as a diluent, the amount of vinyl silicone oil is usually between 10% and 20%, and the specific ratio needs to be determined according to the product formula and process requirements.
As a modifier:
Vinyl silicone oil contains vinyl functional groups, which can easily undergo addition polymerization reactions with other organic polymers, thereby improving the properties of the original polymer.
In the production of polymer materials such as silicone rubber, plastic, resin, etc., vinyl silicone oil can be used as a modifier to improve the strength, hardness, wear resistance, weather resistance, etc. of the material through chemical crosslinking or physical blending.
When used as a modifier, the amount of vinyl silicone oil added is usually between 5% and 10%, and the specific ratio needs to be determined based on the target performance and product formula.
Directly add or use mixing equipment:
Vinyl silicone oil can be directly added or added to the system with the help of high-speed stirring or strong stirring equipment to ensure its uniform dispersion in the system.
When adding vinyl silicone oil, attention should be paid to controlling the stirring speed and time to avoid excessive stirring that can lead to a decrease in material properties.
For high viscosity vinyl silicone oil, special stirring equipment or heating measures may be required to promote its dispersion and mixing.
Application of different viscosity vinyl silicone oil:
Low viscosity vinyl silicone oil has good fluidity and permeability, suitable for applications that require rapid wetting and penetration, such as textile processing, leather coating, etc.
Medium viscosity vinyl silicone oil has good balance performance, with certain fluidity, good adhesion and film-forming properties, and is suitable for formulation in various coatings, inks, adhesives and other products.
High viscosity vinyl silicone oil has high viscosity and good cohesion, which can form tough coatings or film layers. It is suitable for applications that require high strength and durability, such as electronic component sealing and sealing materials.

2、 The function of vinyl silicone oil
Vinyl silicone oil plays an important role in multiple fields due to its unique structure and properties. The main functions of vinyl silicone oil are as follows:

Enhance material performance:
Vinyl silicone oil can be used as an additive in the production of silicone rubber to enhance its strength, hardness, and wear resistance.
High temperature vulcanized silicone rubber raw rubber is prepared by blending with crosslinking agents, reinforcing agents, etc. Ethylene based silicone oil can improve the elasticity and elongation at break of silicone rubber.
Adding vinyl silicone oil to plastics and resins can improve the processing and physical mechanical properties of materials, such as increasing impact strength and reducing brittleness.

Sealing and bonding:
Vinyl silicone oil has a wide range of applications in the electronics industry, serving as the main raw material for electronic adhesives, thermal conductive adhesives, LED light adhesives, etc. It provides excellent sealing function and protects sensitive electronic components and parts from external pollution or movement.
In the aerospace field, vinyl silicone oil can withstand high pressure and high temperature, and is used as an adhesive, sealant, and potting agent to ensure the good operation of electronic components and systems.
In household appliances, vinyl silicone oil is widely used for the protection of various electronic components, such as automatic coffee machines, microwave ovens, washing machines, etc., which can extend the service life and improve the reliability of equipment.

Lubrication and penetration:
Vinyl silicone oil is used to lubricate various mechanical components and prostheses, such as artificial joints and dentures, due to its excellent lubricity and permeability.
In textile processing and leather coating, low viscosity vinyl silicone oil can quickly wet and penetrate the surface of materials, forming a uniform coating and improving the softness and glossiness of products.

Improve surface performance:
Vinyl silicone oil can be used as an additive in coatings, inks, and other products to improve their surface properties, such as enhancing weather resistance, UV resistance, and toughness.
In cosmetics and personal care products, vinyl silicone oil can be used as an emulsifier, thickener, makeup remover, and other ingredients to improve product stability and user experience.

Chemical reactivity:
The vinyl functional groups in vinyl silicone oil make it easy to undergo addition polymerization reactions with other organic polymers, thereby preparing new materials with superior performance.
By reacting with various organic materials such as polyurethane and acrylic, vinyl silicone oil can be made into new materials with special properties, such as weather resistant coatings and elastomers.

Applications in the field of medicine:
In the pharmaceutical field, vinyl silicone oil can be used as a diluent and solvent for external and internal drugs, which helps to achieve uniform dispersion and stable storage of drugs.
Vinyl silicone oil can also be used as a coating material for tablets and herbs, improving the taste and stability of drugs.

3、 Storage and use precautions for vinyl silicone oil
To ensure the optimal performance and safety of vinyl silicone oil, the following points should be noted during storage and use:

Avoid mixing impurities: Vinyl silicone oil is a chemically active material, and impurities (especially catalysts) must not be mixed in during storage and transportation to prevent affecting its chemical reaction performance.
Avoid contact with substances that can trigger chemical reactions: Vinyl silicone oil should avoid contact with substances that can trigger its chemical reactions, such as acids, bases, oxidants, etc., to prevent denaturation.
Storage conditions: Vinyl silicone oil should be stored in a cool and dry place, away from direct sunlight and high temperature environment to prevent degradation or deterioration.
Safe operation: When using vinyl silicone oil, it is necessary to strictly follow the product manual or technical specifications, wear appropriate personal protective equipment, and ensure the safety of operators.

4、 Conclusion
Vinyl silicone oil, as an important organic silicon material, plays an important role in multiple fields due to its unique structure and properties. By reasonable usage and precautions, the performance advantages of vinyl silicone oil can be fully utilized, providing strong support for the development of related industries. With the advancement of technology and the development of industry, the application fields of vinyl silicone oil will continue to expand and deepen, injecting new vitality into the development of more fields.