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Softener -- 2016-11-22

Softener is an organopolysiloxane polymerand polymer complexes, for natural fiber textiles such as cotton, wool, silk,linen and the human hair soft finishing.Silicone fabric finishing auxiliaries havea wide range of applications in fabric finishing. The additive can not onlydeal with natural fiber fabrics, but also deal with polyester, nylon and othersynthetic fiber. Anti-wrinkle, anti-fouling, anti-static, anti-pilling,fullness, softness, elasticity and luster, smooth, cool and pretty style. Si ...

Development history of silicone softener -- 2016-11-21

Silicone softener development history canbe traced back to the 1940s. As early as 1940, people try to impregnate thefabric with dimethyl dichlorosilane, in order to get some kind of waterproofeffect. But the use of dimethyldichlorosilane will release the process ofharmful to human body and fabric of hydrogen chloride gas.In 1945, people with sodium silicatesolution of alkali impregnated fabric, found that the fabric by weak acidtreatment, in 110 ° C ~ 120 ° C after drying has a good waterproof ...

Derivative effect -- 2016-11-18

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. Siliconeesters are an excellent example of the effect of derivatization on ...

Polyimide film tape -- 2016-11-17

In a variety of self-lubricating engineering plastics, polyimide as a result of outstanding thermal stability, mechanical properties, anti-radiation and solvent resistance, and in high temperature, high and low pressure and high speed and other extreme environments have good friction and wear properties , Is a class of potential applications in the field of tribology of the matrix material.Therefore, the tribological properties of various polyimides have been attracting more and more attentions ...

Physical properties of silicone -- 2016-11-16

Due to the unique structure of silicone,Both inorganic and organic materials, the performance of materials,With low surface tension, viscosity-temperature coefficient of small, high compressibility, high gas permeability and other basic properties,And has high temperature resistance, electrical insulation, oxidation stability, weatherability, flame retardant, hydrophobic, corrosion-resistant, non-toxic tasteless and physiological inertness, and other excellent features,Widely used in aerospace, ...

Silicone physical structure -- 2016-11-15

 (1)Adequate methyl groups on Si atoms shield the high-energy polysiloxane backbone; (2) C-H non-polarity, so that the interaction between molecules is very weak;(3)Si-O bond length is longer, Si-O-Si bond bond angle.(4) The Si-O bond is a covalent bond with a 50% ionic bond (the covalent bond has a directionality and the ion bond has no directionality).

Overview of Agricultural Silicone Surfactants: -- 2016-11-14

Surfactant BasicInformation:Pesticides andsurfactants: pesticide formulations can not be separated from the surfaceactive agent, pesticide formulations (including: EC, water emulsion,microemulsion, wet powder, soluble powder, dispersible granules, granules,etc.) Processing to add different types of surfactants.The addition of surfactants greatly reduces the surfacetension of the solution and enhances the wetting, spreading and adhesion of theagents in the plant or pest surface, thereby impro ...

Silicone resin -- 2016-11-11

Silicone resin (or silicon resin) Siliconepolymer is an important part of the Si-O-Si as the main chain, the siliconatoms associated with organic groups, with highly cross-linked semi-inorganicpolymers, it Is hydrolyzed from a polyfunctional organosilane to form asilicone prepolymer which is further crosslinked under heating or catalystcatalysis to an insoluble, non-molten solid silicone resin having athree-dimensional network structure. It may be a homopolymer of a monomer, or acopolymer of ...

Silicone oil -- 2016-11-10

Silicone oil is a polyorganosiloxane withdifferent degree of polymerization and chain structure. The most commonly usedsilicone oil is methyl silicone oil. Silicone oil is generally colorless (orlight yellow), tasteless, non-toxic, non-volatile liquid. Silicone oilinsoluble in water, methanol, diol and - ethoxy ethanol, with benzene, dimethylether, methyl ethyl ketone, carbon tetrachloride or kerosene miscible, slightlysoluble in acetone, dioxane, ethanol and alcohol . It has a very low vaporpre ...

Petrolatum emulsification -- 2016-11-09

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 ...

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