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Polycondensation reaction process -- 2018-07-25

Synthesis of silicone resinFirst, we hydrolysis - polycondensation step method, methyltrimethoxysilane as raw materials, the preparation of a silicone resin microballoons. From the two-step hydrolysis and condensation reaction mechanism of the reaction system PH value, oil-water ratio, whether the stirring conditions hydrolysis and condensation reactions affect the distribution and size of the microspheres was studied. Experimental results show that:1. methyltrimethoxysilane hydrolysis, PH value ...

Viscosity of silicone oil itself -- 2018-07-24

Hair combingCombing the hair test is an important indicator of the effect of shampoo conditioner. It refers to the resistance encountered when the size of the comb through the hair. It is not only the hair diameter, stiffness, curl, length, humidity, and comb material, density and size of the properties and other factors. Also shampoo and wash your hair after flowing resistance, smoothness and moisturizing properties and other factors. In the precursor hair and comb determined combing factors ma ...

Glass resin -- 2018-07-20

By hard wear-resistant coatingsThe alkoxysilane hydrolysis condensate obtained low R / Si values silicone resin, the substrate having good adhesion. After curing, the glass-like appearance, it is also called glass resin. Glass resin after curing, the film hard, scratch-resistant, heat, cold, solvent resistance, water resistance is excellent and highly transparent in the visible light transmission rate of 90%. No gas released during use, even at 450 ℃, high vacuum condition and the electron ...

Low concentration of coating solution after long-term use of catalyst -- 2018-07-19

Solvent type addition cure silicone releasing agentSolids solvent-addition silicone release agent is generally 30%. When diluted with toluene, n-hexane, etc. to a solid content of 2% to 10%, dubbed a catalyst coating liquid. To minimize the amount of solvent can also be formulated as solids content of the coating liquid 10% to 30%. Concentration or viscosity of the coating liquid to the substrate wettability, curing and the use of others have subtle effects. It is generally the concentration sho ...

Large particle size silicone oil emulsion -- 2018-07-17

Cosmetic silicone oil emulsionSilicone materials used in cosmetics, in addition to a variety of silicone oil, cyclic silicone, silicone rubber raw rubber, silicone, most is an emulsion, dispersion, solution, gelling agent, protective film forming agent formulations use .In order to meet the requirements of a variety of cosmetics, so far has developed water-in-oil type silicone oil microemulsion, large particle size silicone emulsions, narrow particle size distribution of silicone oil emulsion, t ...

Silicone defoamer does not dissolve in water, animal and vegetable oils, high boiling mineral oils -- 2018-07-13

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

Cellulose ether fatty acid ester -- 2018-07-12

Silicone oil gelling agentsSilicone gel formulation is formulated by the low viscosity of the silicone oil or volatile silicone ring with coach gel type of cosmetic formulation with silicone oil, mainly used for the preparation of skin care and color cosmetics. Preparation of skin care and color cosmetics to improve the spreadability and refreshing feeling when used, generally need to add low-viscosity silicone oil or volatile silicone epoxy. However, after the addition of the viscosity is too l ...

The lighter the quality and the longer the service life -- 2018-07-05

Electrical insulating varnishElectrical appliances volume, quality and service life, largely determine the performance in the electrically insulating paint materials. Generally speaking, the higher the heat resistance of the insulating material, under the same power conditions, the volume of electrical appliances can be made smaller, light weight and longer service life. Insulation material is usually made with insulating paint and an organic or inorganic material together. Made of pure sil ...

Improve scalability and use -- 2018-07-04

Application in cosmeticsSilicone oil has many unique properties, added to cosmetic products to increase their comfort and give luster. Wash hair care products, jewelry, skin care, makeup products have been widely used. After cosmetics silicone oil has the following advantages: silicone oil colorless, odorless, does not affect the final product appearance and aroma. Use of light pleasure, expand good. Hydrophobicity and good smoothness. Skin irritation to human safety. Gas permeability, and do no ...

Basic chemical properties of polyorganosiloxane -- 2018-07-03

Hydrophobic silicone oil and mold releaseSilicone oil has a very good hydrophobicity. The so-called hydrophobic liquid means water wettable silicone oil / air interface reached only to a lesser extent. Size of the contact angle of water droplets 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 ℃) as dimethicone 100mm2 ...

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