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2. China's silica market (1) Development process of Chinese precipitation silica China's precipitation method silica industry started to develop slowly. In 1958, the first set of precipitation ......
2019-07-15Global and China Silica Industry Analysis Report for 2019-2025 ONE Silica is a general term for finely powdered or ultrafine particulate anhydrous and hy......
2019-07-15(1) Silicon (resin) This is a silicone defoamer, also known as an emulsion defoamer, which uses an emulsifier (surfactant) to emulsify and disperse the silicone resin in water and then add it to the ......
2019-07-13Silicone defoamers are currently recognized as the main general purpose defoamers, which have two characteristics that are difficult to simultaneously possess with low surface tension and low vo......
2019-07-131. Insoluble or poorly soluble in the foaming liquid In order to break the foam, the defoamer should be concentrated and concentrated on the bubble film. In the case of a foam breaker, it should be c......
2019-07-13Emulsion type defoamer is a general-purpose silicone defoamer, which is made of low foaming emulsifier such as Span, Tween, Polyethylene glycol ether and other emulsified silicone oil/silicone oil. /W......
2019-07-13The fumed silica is a high purity, fine, amorphous silica nano powder. The specific surface area is 150~380m2/g, the primary particle size is between 7~40 nm, the aggregate particle size is about 200-......
2019-07-133.2.3.1 Nonionic silicone surfactant Silicone surfactants are mainly used in personal care products with polyether silicone surfactants [5]. The polyether silicone oil has the characteristics of wat......
2019-07-13The most used are silicone oil (polydisiloxane) methylphenyl silicone oil (polymethylphenylsiloxane), polydimethylcyclosiloxane, silicone glycol copolymer, amine base Modified silicone oil, silicone p......
2019-07-13The world's first silicone cosmetics brand “Silicare” was born in Revelen in the United States in the early 1950s. For half a century, under the research and development of Dow Corning's leading inter......
2019-07-131.1 Unsaturated polyester Compared with glass fiber in polyester laminates, a variety of unsaturated silane coupling agents have been used. Many of them are very effective coupling agents. Among them......
2019-07-1301 silane coupling agent dosage The amount of the silane coupling agent is determined depending on the amount of the reaction site (such as Si-OH) occupied by the specific surface area of the powde......
2019-07-12The more mature mechanism of action of silane coupling agent is the chemical bond theory: silane coupling agent contains two kinds of different chemical functional groups, one end of which can react w......
2019-07-12The silane coupling agent was originally developed as a glass fiber reinforced plastic glass fiber treatment agent. Since the silane coupling agent improves the adhesion between the glass fiber and th......
2019-07-12The silane coupling agent can be used in the synthesis of silicone oil and silicone emulsion to provide comfort, softness and smoothness to the fabric. The use of a silicone-modified silicone oil sili......
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