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Early stages (1955 ~ 1985) Alkyl and organosilanes developed very slowly in the early stages. Initially methyl, vinyl, and amino silanes, followed by epoxies, isobutenoyl, and sulfhydryl. The most c......
2021-04-20Rapid Development Period (1986 ~ 1999) The application of silane has developed rapidly during this period. In the early 1980s, the chemical factory of wuhan university became the first domestic facto......
2021-04-20Functional silane and silicone rubber, silicone oil and silicone resin and called four categories of organic silicon materials. In terms of structure, small organosilicon molecules whose main chain i......
2021-04-20GaN-based power white LED is the focus of current development, which has the characteristics of high heat and short emission wavelength, and the requirements for packaging material performance are mor......
2021-04-19At present, there are a lot of patents on LED packaging materials, and phenyl packaging materials are the most studied. Zhang Wei et al. synthesized vinylphenyl silicone oil by polymerization of tetr......
2021-04-19Synthesis of silicone resins According to its refractive index, it can be divided into two categories: low refractive index (1.4) and high refractive index (1.5). The refractive index of 1.4 is mainl......
2021-04-19Characteristics of organosilicon materials Organosilicon polymer with Si -- O bond as the main chain, silicon atoms connected with organic groups, can have R3 SiO1/2 (M), R3 SiO2/2 (D), R3 SiO3/2 (T)......
2021-04-191. Modified epoxy resin for LED packaging Epoxy resin has high refractive index and light transmittance, and its mechanical properties and bonding properties are quite good, so some products are stil......
2021-04-19由于有机硅聚合物主链是—SI—O—SI一O一键，侧基是有机基，因此，兼有无机物和有机物的特性，耐高温性能优于大多数有机树脂。用于涂料的树脂的耐热性按下列顺序递减：纯硅树脂>有机树脂改性硅树脂>有机硅改性有机树脂>无苯乙烯的丙烯酸树脂／聚羧酸树脂>聚酯／异氰尿酸三缩水甘油酯>环氧／羧基的聚酯>丙烯酸／异氰酸酯>聚酯／异氰酸>环氧／酚醛>环氧......
2021-04-16A kind of anticorrosive coating with rust has been developed in China and used as a metal primer. When the metal surface rust removal is not complete, you can use the paint directly brush on the meta......
2021-04-16Zinc-rich primer metals include ferrous metals (such as steel) and non-ferrous metals (such as aluminum alloy), which need to be surface treated in order to prevent rust. There are many methods of su......
2021-04-16Alkoxy silanes (mainly various silane coupling agents) must be used as adhesion promoters at the interface between the coating and the substrate or between the sealant and the adhesive material to inc......
2021-04-16One of the first applications of silicone as a coating was silicone impregnated fiberglass tape, which served as a protective insulating layer for electrical wires on U. S. Navy submarines. Silicone ......
2021-04-16According to the analysis of silicone series antifouling coating, the surface of this material is relatively smooth, because of the nature of this material, it is difficult for Marine organisms to att......
2021-04-15Silicone bond is introduced into acrylic resin to synthesize a new type of film forming material, which is currently called silicone elastic decorative coating. Under the effect of organosilicon, the......
2021-04-15
