Silicone oil products each have their own characteristics and play important roles in multiple fields.
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1. High hydrogen silicone oil
High hydrogen silicone oil, with the scientific name polymethyl hydrogen siloxane, is a colorless and transparent liquid. As a special type of organosilicon compound, it exhibits broad application prospects in multiple industrial fields due to its unique molecular structure and chemical properties. Its characteristics and applications include:
Product Features:
High hydrogen content ensures its high efficiency in various chemical reactions.
High reactivity: Due to the presence of a large number of Si-H bonds in its molecules, high hydrogen-containing silicone oil exhibits extremely high reactivity and can react with various chemical substances containing active groups such as double bonds and hydroxyl groups.
Weather resistance, capable of maintaining stable performance under various environmental conditions.
Waterproof performance: Under the influence of metal salt catalysts, high hydrogen-containing silicone oil can form a dense waterproof film on the surface of the substrate, endowing it with excellent moisture resistance, mold resistance, and rust resistance.
Viscosity stability ensures smooth film formation even in low temperature environments.
Chemical stability refers to the ability to remain stable in various chemical reactions and not easily react with other substances.
Thermal stability, which means it can remain stable under high temperature conditions without decomposing or deteriorating.
Surface activity refers to the ability to reduce the surface tension of a liquid, thereby exhibiting effects such as wetting, emulsification, and dispersion.
The viscosity is adjustable, and it increases with the increase of molecular weight. Therefore, the viscosity can be controlled by adjusting the molecular weight.
Environmental friendliness: As an organosilicon compound, it exhibits good biocompatibility and environmental friendliness, meeting the environmental protection requirements of modern industry.
Application areas:
Waterproofing treatment for building materials and decorative materials.
In the textile industry, it is used as a finishing agent for fabric fibers to enhance the waterproofing, stain resistance, and durability of the fabric, while also improving its hand feel and draping quality.
The production of rubber products, serving as anti-yellowing agents for high-temperature vulcanized silicone rubber, and as crosslinking agents for addition-type silicone rubber series products.
Ink manufacturing, serving as a diluent for silicone ink, enhances the fluidity and printing quality of the ink.
In paper processing, it is used as an anti-adhesive release agent and crosslinking agent, which helps improve the processing efficiency and quality of paper.
Used as a lubricant, it is suitable for lubricating rubber, plastic bearings, and gears.
In the cosmetics industry, it is used as a hydrophobic agent and lubricant in foundation make-up.
It serves as a synthetic raw material and an important intermediate for polyether-modified silicone oil, alkyl-modified silicone oil, and other products.
II. Low hydrogen silicone oil
Low hydrogen silicone oil, with the English name of Partly Methyl Hydrogen Sililone Fluid, is a colorless, transparent, oily liquid. Its properties and applications include:
character:
Appearance: Colorless, transparent, oily liquid.
Viscosity (25°C): 30~200.
Hydrogen content: 0.1~0.2%.
Application:
As the basic raw material for products such as foam stabilizers, defoamers, and water-soluble silicone oils.
Its active gene reacts with double bonds, hydroxyl groups, and other groups under the action of a catalyst.
III. Methyl silicone oil lotion
Methyl silicone lotion is an emulsion liquid made from methyl silicone oil, emulsifier, water, and other components through a specific process. Its properties and applications include:
Performance:
Stability, capable of maintaining its performance under different environmental conditions.
Emulsifiability: The use of emulsifiers enables methyl silicone oil to disperse evenly in water, forming a stable lotion.
The fluidity and lotion state make methyl silicone oil easier to apply and disperse, improving the efficiency of use.
Moisturizing property, which can effectively reduce the moisture loss of skin or fabric.
Antioxidant properties can resist the damage from free radicals and extend the service life of products.
Application areas:
Cosmetics, as an important ingredient, can improve the texture and skin feel of products, enhancing their softness and glossiness.
Textile printing and dyeing, as a textile printing and dyeing auxiliary agent, can be used as a post-finishing agent for synthetic fiber fabrics to improve their waterproofness and softness.
Industrial lubrication can reduce friction and wear of machinery and equipment, thereby enhancing production efficiency.
Defoamer, used as a defoaming agent in industries such as paper making, coating, and chemical engineering, can effectively suppress and eliminate the generation of foam.
IV. Hydrogen-containing silicone oil lotion
Methyl Hydrogen Pollysiloxane Emulsion, also known as Methyl Hydrogen Pollysiloxane Emulsin, is a milky white liquid. Its properties and applications include:
Performance:
Crosslinking and film formation under the catalysis of metal salts.
Mixed with hydroxy silicone lotion, it enhances the waterproof and softness of the fabric.
It possesses film-forming properties and heat resistance.
It can form an extremely thin film on the mold surface, which does not chemically react with any contact material and does not corrode the mold.
It has the advantages of low coating amount and stable demolding performance.
Application areas:
Improve the waterproofness and softness of the fabric.
Used for moisture-proof and waterproof treatment of leather, paper, as well as building materials such as glass, ceramics, metals, cement, and marble.
5. Amino silicone oil
Aminosilicone oil exhibits excellent softness, which stems from its basic geometric molecular configuration - the main chain of polysiloxane is a twisted helical straight-chain structure. Its properties and applications include:
nature:
Aminosilicone oil can be classified into single-ended, double-ended, side-ended, copolymerized, and mixed types based on the position of the amino group in the polysiloxane molecule.
Classified by end groups, there are aminosilicones with methyl, methoxy, and hydroxyl groups.
Based on the classification of amino groups, there are silicone oils with primary amino groups (-NH2), secondary amino groups (-NHCH3), tertiary amino groups [-N(C2H5)2], and structures containing both primary and secondary amino groups (-NHCH2CH2NH2).
Aminosilicone oil is typically characterized by three characteristic parameters: amine value, viscosity, and reactivity. These three parameters essentially reflect the quality of aminosilicone oil and influence the performance of fabrics after treatment.
Application areas:
Primarily used as a fabric softener, it imparts a soft feel, smoothness, elasticity, and other desirable qualities to fabrics.
VI. Vinyl silicone oil
Vinyl silicone oil primarily comprises terminal vinyl polydimethylsiloxane (Vi-PDMS) and terminal vinyl polymethylvinylsiloxane (Vi-PMVS), offering products with varying viscosities and vinyl contents as per requirements. Its characteristics and applications include:
characteristic:
Colorless or light yellow transparent liquid.
Volatile matter content ≤1.5% (150℃×2hr).
The pH value is between 6 and 8.
Application areas:
It is the main raw material for addition-type liquid silicone rubber, silicone gel, etc.
Used as modifiers for rubber compounds, plastic additives, reinforcing materials, etc.