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Silicone oil defoamer compared with other types of defoamers -- 2017-04-19

Silicone defoamers are silicone adddispersing aids prepared for a class of silicone secondary processing products.Oil type, silicone type ointment, solution, emulsion, self-emulsifying type andthe like powdered form. On the tax system and the non-foaming liquid watersystem, there is a very good anti-foaming effect. Widely used in petroleum,chemical, fiber, paper, food, fermentation, drainage and sewage treatment andother industries. Silicone defoamers comparison with other types of defoamers,the ...

Silica black ointment is the use of silica thickened silicone paste products -- 2017-04-18

White carbon black silicone paste usingsilica thickened silicone paste products, with very good heat resistance,dielectric properties, oxidation resistance. Over a wide temperature rangeconsistency changes little, little change in electrical properties. By varyingthe silicone oil, white carbon species such as the addition amount of thesilicone paste can be formulated for various uses.Electrical insulation, sealing withsilicone paste, is mainly used for electrical insulation applications,includin ...

Polyether modified silicone oil soluble in alcohol and water -- 2017-04-17

Silicone application in the cosmeticsindustry, has developed rapidly over the past decade, it has become the mainapplication areas. Wherein the polyether-modified silicone oil is appliedamount, the largest species of a class of silicone products. As a cosmetic rawmaterial, suitable for almost all kinds of cosmetics categories and varieties,especially hair products.Polyether-modified silicone oil is solublein alcohol and water, but also easy with the other ingredients of cosmetics arecompatible. ...

When the combination of ingredients to help emulsify the role -- 2017-04-14

One of the main purposes of thepolyether-modified silicone oil, as a surfactant for polyurethane foamstabilizer, and as foam stabilizers. In the formation of foamed polyurethanefoam formulations, although its addition amount is limited, but it is a veryimportant ingredient. Polyether modified silicone oil in the production processof polyurethane foam during four.From a combination of co-emulsificationwhen mixing feedThe main raw material compatibilitypolyether polyol and isocyanate bad. Polyethe ...

Cosmetics add silicone oil has the following advantages -- 2017-04-13

Silicone oil has many unique properties,added to cosmetic products to increase their comfort and give luster. Wash haircare products, jewelry, skin care, makeup products have been widely used. Aftercosmetics silicone oil has the following advantages: silicone oil colorless,odorless, does not affect the final product appearance and aroma. Use of lightpleasure, expand good. Hydrophobicity and good smoothness. Skin irritation tohuman safety. Gas permeability, and do not interfere with the skin to b ...

Silicone oil has a very good hydrophobicity -- 2017-04-12

Silicone oil has a very good hydrophobicity.The so-called hydrophobic liquid means water wettable silicone oil / airinterface reached only to a lesser extent. Size of the contact angle of waterdroplets on the surface and the surface is a measure of surface hydrophobicity.The contact angle θ is greater than 90 °, preferably represents a hydrophobic,θ less than 90 °, showing poor aqueous genus.After viscosity (25 ℃) asdimethicone 100mm2·S-1 treated glass, ceramics, etc., its hydrophobicsurfa ...

Silicone oil lubricity -- 2017-04-11

Silicone oil surfactantDimethicone is low foaming, methylphenylsilicone oil showed a different degree of foaming.Causing the silicone oil in an organicsolvent solution surface tension reduction, which can make it capable ofdissolving them in the liquid phase enriched surface, having a siliconesurfactant show. Silicone oil can be emulsified in water, resulting in thedecrease in surface tension of water.This is the reason to do silicone defoamer.Their mode of action with concentration dependent; I ...

Silicone oil is usually divided into ordinary silicone oil and modified silicone oil two categories -- 2017-04-10

Silicone materials are a class of differentdegrees of functionality monomer (or intermediate), modified organic groupcomposition, made by the condensation reaction of various polymers; and againwith various additives, processed into various forms of products. Siliconematerials are generally divided into silicone, silicone rubber, silicone andsilane coupling agent four categories products group.Silicone oil is usually divided intoordinary silicone oil and modified silicone oil into two categories ...

Water-borne coatings are foamed during construction -- 2017-04-06

Foam stability is affected by several factors. Onefactor which is stable thin sandwich, sandwich the liquid inside can’t bedischarged or discharged slowly. Also electrostatic repulsion occupy themezzanine between ionic surfactants also prevents the bubble burst. Another factorprompting the foam stabilizer is Gibbs elasticity. By stretching a film havinga surface-active substance, such an elastic effect will be shown. In this case, thesurface of the double layer is expanded, resulting in local c ...

Another factor in the stability of the bubble is Gibbs elasticity -- 2017-04-05

In a liquid containing a surface active agent, aspherical bubble rising, into a stable macro bubble (big bubble). While these bubblesrise to the air interface, but which is encircled by a layer of surfactantmolecules. On the air interface also has a layer ofsurfactant molecules of the surface film, and therefore, when the bubbles riseto the surface to form a double layer. Double layerthickness of up to several microns, these small surface of the foam is verystable and difficult to eliminate. Bub ...

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