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It has been producing silicone for more than 20 years and has been specializing in the development and production of silicone chemicals.
We have scientific testing methods and advanced testing equipment, and rely on a strict quality assurance system to provide customers with the quality assurance of the products they need.
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Food grade silicone emulsion is a special emulsion used for food packaging and food grade demoulding. It usually contains food additives and emulsifiers to ensure product stability and food safety. This product has excellent lubricity, heat resistance and weather resistance, so it is widely used in food processing and production. Silicone emulsion is non-ionic, good stability, non-flammable, non-volatile, non-toxic and odorless, high temperature resistance, corrosion resistance, oxidation resistance, can be diluted with water at any proportion and other advantages. Silicone emulsion in the centrifuge 3000 RPM for 30 minutes without stratification, and with other emulsions good compatibility.
The primary volatile compound in silicone emulsions is water, making them perfect for industrial and home cooking applications. Silicone is flexible and highly temperature-tolerant, allowing products to go from freezer to oven or microwave without imparting flavor or impacting the food quality.
Silicone emulsions can be diluted with water and cleaned from containers with soap and water. They are available in a range of viscosities and concentrations, making them incredibly versatile.
Silicone emulsions are safer for the environment than most chemical solvents. Silicone is also durable and can be recycled after it’ s no longer needed.
Silicone emulsions can be used in manufacturing facilities to reduce waste because they’re wear-resistant and protect items against abrasion, mold spores, water, and friction, thereby extending the life of industrial equipment. In addition to helping manufacturers avoid repair and replacement services, silicone emulsions are also cost-effective to create and apply.
Since silicone emulsions can be used on inline equipment, using them reduces the logistics, space, and equipment needed for offline coating. Silicone emulsions also improve the efficiency of solar panels and photovoltaic devices.
The pH of silicone emulsions is generally not a critical parameter, since non-ionic emulsifiers are commonly used. Variations in pH do not destabilize the emulsion, but they can impact the final formulation where the emulsion is incorporated. To avoid the need for adjustments in the final product, silicone emulsions are typically adjusted to a neutral pH.
Viscosity measures the fluidity of a silicone emulsion. Silicone emulsions made with silicone fluids have low or very low viscosities, typically below 1000cps, making them highly fluid products. A low viscosity is indicative of a well-emulsified product with small particle sizes.
Dry extract, also known as solids, refers to the percentage of non-evaporative material in the emulsion after the drying process. The dry extract of a silicone emulsion is related to the quantity of the silicone content, which is the active component of this type of product. In general, silicone emulsions are formulated with a dry extract ranging between 20% and 60%.
Due to their low viscosity, silicone emulsions can be filtered through fine meshes, typically 250 microns or 100 microns. This characteristic allows for easy formulation in products like adhesives, varnishes, paints, or coatings without altering their desired properties.
Well-manufactured silicone emulsions are stable products that can be stored for extended periods without separation or instability.Certain silicone emulsions are capable of withstanding freeze-thaw cycles, making them suitable for use in very cold climates.
Preservatives such as isothiazolinones (BIT, MIT and/or CMIT), formaldehyde releasers and other additives like bronopol are commonly used in silicone emulsions. Food preservatives such as sorbates and benzoates may be used in specific versions of silicone emulsions, resulting in an acidic pH.
Silicone emulsions typically have small particle sizes, which is directly linked to their stability. The smaller the particle size, the more stable the emulsion tends to be.
Some silicone emulsions may contain free silicone monomers, which are volatile or semi-volatile compounds. These monomers can be analyzed using gas chromatography.
Personal care items like face or body moisturizers use emulsions to soften the skin. Hair products that improve the shine, manageability, and texture of hair typically include silicone emulsions in their formula.
Car polishes and household cleaners offer water-resistance, gloss, protection, and spreadability thanks to their silicone content.
The textile industry uses silicone emulsions to reduce creasing, enhance the texture and appearance of fabrics, add strength and tear resistance, and repel water.
Silicone emulsions can function as a release agent for manufacturers to prevent wear and decrease resistance during production.
The graphics and printmaking industries use emulsions as lubrication and antistatic and anti-marring agents to prevent smears.
The rubber and plastic industry employs silicone emulsions as release agents and lubricants.
Silicone emulsions are used in industrial applications to coat and seal joints in bridges, highways, skyscrapers, and ships to make them corrosion- and water-resistant.
Because silicone is flexible and stable within a broad range of temperatures, silicone emulsions are added to paint formulas that are designed for outdoor use—for example, on roads, highways, planes, rail cars, and houses.
Personal care items like face or body moisturizers use emulsions to soften the skin. Hair products that improve the shine, manageability, and texture of hair typically include silicone emulsions in their formula.
Car polishes and household cleaners offer water-resistance, gloss, protection, and spreadability thanks to their silicone content.
The textile industry uses silicone emulsions to reduce creasing, enhance the texture and appearance of fabrics, add strength and tear resistance, and repel water.
Silicone emulsions can function as a release agent for manufacturers to prevent wear and decrease resistance during production.
The graphics and printmaking industries use emulsions as lubrication and antistatic and anti-marring agents to prevent smears.
The rubber and plastic industry employs silicone emulsions as release agents and lubricants.
Silicone emulsions are used in industrial applications to coat and seal joints in bridges, highways, skyscrapers, and ships to make them corrosion- and water-resistant.
Because silicone is flexible and stable within a broad range of temperatures, silicone emulsions are added to paint formulas that are designed for outdoor use—for example, on roads, highways, planes, rail cars, and houses.
The emulsifier used in cationic hydroxyemulsion polymerization is generally quaternary ammonium salts (octadecyltrimethylammonium chloride reported in foreign literature), and the catalyst is ammonium hydroxide. Cationic hydroxyl emulsion can be used in the finishing of various textiles. It has the properties of improving fabric feel, improving fabric elasticity, smoothness and crispness. Another unique advantage of it is that it is an ideal waterproofing agent for fabrics and can be used together with methyl hydrogenated silicone oil emulsion. , the waterproof performance and waterproof durability can reach a very high level, and can be used as a waterproofing agent for vinylon awning canvas, polyester card cloth, etc.
Anionic hydroxyemulsion is characterized by good compatibility in fabric finishing agents and very stable emulsion. In particular, most of the auxiliaries used in textile printing and dyeing are anionic. If cationic hydroxyemulsion is used, it is easy to cause demulsification and oil bleaching. Anionic hydroxyemulsion can avoid this problem, so it is more popular among users and has a wide range of uses.
Although cationic hydroxyl emulsion is an excellent fabric softening agent, this emulsion is not resistant to hard water and cannot be bathed with dimethylol dihydroxyethylene urea resin (2D) resin, catalyst magnesium chloride and anionic whitening agent. use, so there are certain limitations in use. In addition, due to the poor stability of the emulsion, the silicone polymer is easily separated from the emulsion and floats on the liquid surface, commonly known as "floating oil". If cationic and nonionic emulsifiers are used in the emulsion polymerization process, the shortcomings of cationic emulsifiers in preparing hydroxyl silicone oil emulsions can be overcome.
Nonionic hydroxyemulsion has stronger adaptability and better stability than cleaved hydroxyemulsion. Therefore, many countries are vigorously researching nonionic hydroxyemulsion. For example, UltrarateX FSA, a new product produced by Ciba-Geigy in Switzerland, is a non-ionic emulsion of hydroxyl-capped polydimethylsiloxane with a molecular weight of more than 200,000.
Silicone oil emulsions are prepared using different formulas, such as O/W, W/O, O/W/O, etc. Silicone oils are processed using conventional methods. To determine the stability of an emulsion, the viscosity of the silicone oil can be measured based on droplet size. Experiments with acid modified emulsifier usage levels of 0.2, 1.0 and 10wt% were successfully conducted. This process is accomplished through a homogenizer. During this process, cosmetic scientists observed that an increase in emulsifier concentration resulted in a decrease in emulsion droplet size. It gives the lotion better stability and uniformity.
Another method is to use Span-60 emulsifier. The process starts with a narrow size distribution, but even if the emulsifier concentration is increased, once a certain level is reached, stability is not affected. It successfully becomes a stable silicone oil emulsion.
The mixing time of the silicone oil was also counted as part of the experiment. According to analysis, the process needs to determine an appropriate time limit. If it is too fast or too slow, it will be difficult to maintain the desired droplet size. It was found that the viscosity of the emulsion in the ultrasonic treatment method could still remain stable due to the increase in time span. For Span-60 emulsifiers using mechanical stirring, perfect time distribution is very important. If the time is too short, the oil cannot gain space to disperse, resulting in a wider particle size distribution. If the time is too long, the viscosity of the emulsion increases, causing the droplets to coagulate. It affects stability.
Foshan Yidesai New Material Co.,Ltd works on research, development, production and technical services of organic silicone chemicals, Our factories are located in Foshan, Guangdong, have been specializing in the development and production of organic silicone for over 20 years. Our products series: Organic silicone chemicals (including organic silicone oils, silicone emulsions, mold release agents, Silicone rubber ect.); We have experienced scientists and engineers, with scientific test methods and advanced testing equipment, relying on strict quality assurance system, providing quality assurance of the required products for our customers. We have professional sales team, focus on quality and service, and we have achieved excellent performance over the years.
