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Jun 6, 2016
Skin feel is an important property ofdetergent and cosmetics. To optimize this nature in the past 25 years, asked,oil in water emollient lotion has been developed for hydrocarbon-water siliconeemulsion, volatile silicone oil combined, eventually into silicone-wateremulsion. Fluoroalkyl-modified silicone has been recommended for the skin toplay a controlling role.
However, these compounds lack a certain"sense of light"; therefore such products used emulsifier fromtraditional hydrocarbon emulsifier into a silicone copolymer emulsion. Therefore,this type of emulsifier used in products from traditional hydrocarbonemulsifier into a silicone copolymer emulsion.
Currently you can choose from the copolymerhave emerged are:
a，w aorganohydrogenpolysiloxane and triglycerol l, 5 a cross-linked copolymerhexadiene ethers, silicone so they are not dried, but not so sticky glycerin. Certainpolyethoxylated silicone polyamide having a self-emulsifying effe. Since the1970s, the traditional lotion because deposition polymer thickener and has acream similar stability. Preparation of Emulsion prefer dispersible polymerpowders instead. Those dispersions made by the hydrocarbon skin feel not meetthe requirements, they can not achieve good spreadability of silicone. To solvethis problem, researchers developed a thickener inverse emulsionpolymerization, which comprises a surfactant Jing high HLB value of the polymerdispersed in water and rapid thickening.
Electrostatic powder coating spray coatingindustry there was a change, greatly reducing waste, workers from exposure tothe air filled with a volatile solvent. Currently electrostatic spraying hasbeen used in cosmetic emulsions. Color cosmetics and skin care products usingan electrostatic spray Officials have large consumption, easy-to-controlproduct, with comfort and cleanliness. Electrostatic spraying is a higherpotential in the nozzle, it is atomized into droplets charged. This requires adroplet charged object to dissipate charge smoothing, smoothing the object hereis human skin.
Emulsionis a silicone polymer emulsion pack. Siloxane (electrical insulating phase) iscyclomethicone or volatile silicones. Dispersed polymer (for electrostaticspraying of conductive phase) is preferably propylene glycol. Pack siliconepolymer emulsion dyes electrostatic spraying has a certain degree of difficulty- due to electrostatic charge can undermine the stability of the componentsresulting in non-uniformity and caking products dye particles. Stability byadding a polyether chain, - polydiorganosiloxane emulsifiers can be improved,the formulation containing an alkyl dimethicone copolymer emulsifier and athickening agent.
Preferred branched polyether -polydiorganosiloxane emulsifier PEG-9 a polydimethylsiloxane oxyethyl dimethylsiloxane. Preferred emulsifiers are copolymers of alkyl dimethyl cetyl / PEG /PPG-10 / dimethyl siloxane; Suitable thickening agents include dimethiconecrosslinked polymer (Dow Coming9040), silicone elastomers such aspolydimethylsiloxane PEG 10/15 a cross-linked polymer. Wax, clay(montmorillonite, bentonite) or silica. New foam skin care products (includingspray emulsion and foaming agent) is developing rapidly. Spray lotion with bodylotion and application of sunscreen products in the body. Spray the product isbetter than the traditional cream spreadability, less whitening and lessviscous.
L'Oreal had a spray latex foam productscontaining a nonionic surfactant, an oil phase and a gelling agent. Sunscreenmousse products fall into this category, though not widely used, but there areadvantages in terms of comfort. Sunscreen mousse products fall into thiscategory, though not widely used, but there are advantages in terms of comfort.They can be attached to the skin is not easy flowing.One Bubchen O / W typesunscreen mousse, acyl glutamates aqueous phase is used as a mild foamingsurfactant. PEG 800 as a skin conditioning agent [6], which provides asatisfactory skin feel, increases the amount of foam. A new organic modifiedsilicone - decanoyl methyl siloxane used to improve the skin's UV filter alsohelps spread the mousse, endowed with a non-greasy feeling.