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Petrolatum (Vaseline) Emulsions play a role in many areas. -- 2017-02-06

Petrolatum (Vaseline) Emulsions play a rolein many areas.The authors of this series of petrolatumstudy found that Silsurf J208-612 is the most effective emulsifier. The productseems to be able to handle various ratios of petrolatum to water. Changing theratio of petrolatum to water will result in products with very differentproperties. This technology can be extended to cover many other oils, includingisomeric hydrocarbons and esters. The efficacy of other Silsurf surfactants wasstudied using th ...

Happy New Year -- 2017-02-04

The new beginning is waiting for you, so bright and sunny! Sincere greetings - Happy New Year, always accompanied by happiness!

The molecular weight of dimethicone has a great influence on the compound -- 2017-01-23

The molecular weight of PEG-8 dimethiconehas a great impact on the properties of the compound as well as the wettabilityand irritation. Wettability is a key, but often neglected aspect of cosmeticformulations. If you put something in the air, applied to the skin, pigmentsand any other surface, the degree of wetting of the surface is critical to theefficacy of the formulation. For products that function correctly, it isnecessary to add low concentrations of silicone wetting agents. With the ...

Introduction of silicone oil -- 2017-01-22

Silicone oil is a polyorganosiloxane with different degree of polymerization and chain structure. It is prepared by hydrolysis of dimethyldichlorosilane to obtain the initial polycondensation ring body. The ring body is cracked and rectified to produce low-ring body, and then the ring body, the sealing agent and the catalyst are gathered together to obtain A different degree of polymerization of the mixture, the distillation of low-pressure distillation can be obtained by the low-boiling silicon ...

De acuerdo con la estructura química y propiedades de los productos categorizado -- 2017-01-20

Many types of polysiloxane, according tothe product's chemical structure and performance can be divided into threecategories:1. Silicone oil, low molecular weight linear structural polymer.Colorless or light yellow transparent liquid with high boiling point and lowfreezing point, thermal decomposition and particularly stable against water oroxidizing agents. Can be used as hydraulic oil, high-grade lubricants, surfacetreatment and demulsifier, can also be used as textiles, paper and many otherma ...

The step of constructing the siloxane chemical structure -- 2017-01-19

The step of building the chemical structureof the siloxane is the process of determining the length of the polymer chain,branching, and insertion of the organic group. From the point of view of itschemical structure, the structural groups entering the molecule are representedby the letters M (monofunctional), D (difunctional), T (trifunctional) and Q(tetrafunctional). The M functional groups are chain terminating because theyare monofunctional; the D functional group is a linear increment, makin ...

Siloxane compounds -- 2017-01-18

Siloxane compounds were well known in the1960s, but it was not until the 1940s that Dr. Eugene RoChow pioneered the workof commercializing such important compounds. The chemical nature of siloxanesallows polymer chemists to build accurate molecular structures using idealnanotechnology. The siloxane polymer is derived from silica (Si02), whichaccounts for 25% of the total crust. In the presence of a carbon source, thesilica is converted to a siloxane at elevated temperatures. The resulting metali ...

The chemical state of polydimethylsiloxane -- 2017-01-17

Polydimethylsiloxane chemical stateDimethyl silicone oil, colorless or light yellow liquid, odorless, hightransparency, with heat resistance, cold resistance, viscosity with temperaturechange is small, waterproof, surface tension is small, with thermalconductivity, thermal conductivity of 0.134-0.159W / M * K, light transmittanceof 100%, dimethyl Silicone oil non-toxic and tasteless, with physiologicalinertia, good chemical stability. Electrical insulation and weatherability,hydrophobic, and has ...

Polysiloxane -- 2017-01-16

There are few silicone-free compounds inthe new cosmetic formulations, and the use of silicone compounds in personalcare products has achieved significant growth. In addition, even with the mostadvanced technology of the formulator, still inevitably use siloxane.Silicone polymers consist of differenttypes of compounds, including conventional silicone oils, water-solublepolymers, oil-soluble polymers, fluorine-soluble polymers, and polymers withvarious solubility. They exist in a variety of forms ...

Siloxane esters -- 2017-01-13

The final action to be considered is thederivatizing reaction. In this step, the reaction group added to the functionalaction step is further reacted to give a new compound, and the reaction of thehydroxyl group with the polydimethylsiloxane copolymer polyol is an example ofsuch a reaction. In fact, a series of surface-active siloxanes, comparable to alarge number of standard surfactants, have been developed and marketed.Silicone esters are an excellent example of the effect of derivatization on ...

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