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Where R represents methyl or ethyl group, and R1 represents organic group, which may be methyl, ethyl, phenyl, sulfhydryl, allyl, amine, epoxy group, etc. When the organic group is methyl, the polysi......
2021-06-23Inorganic: a small amount of organic materials are added to a large number of inorganic substrates and simply embedded in them after mixing; Organic: ordinary coatings containing inorganic pigments......
2021-06-23Why siloxane is not easily destroyed (1) Compared with C-C bond energy of 344.4kJ/mol, Si-O bond energy is equivalent to 270nm ultraviolet light (422.5kJ/mole), ordinary ultraviolet light of 280-340n......
2021-06-231.1 Basic properties of silicon Silicon is one of the most abundant elements in nature, accounting for about 25.7 percent of the mass of the Earth's crust, second only to oxygen. There is no free pur......
2021-06-23(1) Most of the polysilazanes exist in the form of cyclic monomer or oligomer, and the high molecular weight polysilazanes with clear structure lack mature synthesis methods. Therefore, the exploratio......
2021-06-22In terms of coating materials, poly silazane under certain conditions can be converted into silicon dioxide, is a good coating material, has good solubility, excellent adhesion, curing simple, corro......
2021-06-22High molecular weight polysilazanes are synthesized by ring polysilazanes ring-opening polymerization. The main methods include anionic ring-opening polymerization and cationic ring-opening polymeri......
2021-06-22Amine and ammonolysis reactions The main synthesis methods of low molecular weight polysilazanes are amination and ammonolysis polycondensation reaction. The main steps are as follo......
2021-06-22Polysilazane has excellent properties, small Angle between silicon and nitrogen bonds, large molecular bond tension, so the molecular chain is not easy to form a ring, not easy to bite back, rearran......
2021-06-22Nanoparticles modified silicone resin Nanoscale filler particles are dispersed in the chain segment of silicone polymer through a high-speed mixer [33], which can improve the compatibility with silic......
2021-06-21The excellent antifouling property of silicone resin also depends on its unique chemical structure. Silicone resin contains a large number of silicon hydroxyl groups. In the process of film formation,......
2021-06-21Common structural sealants are the following: polysulfide sealant (PS), silicone sealant (SR), polyurethane sealant (PU), silane modified sealant (MS), etc. (The first three are ordinary, and the......
2021-06-21C) Sulfur water, dispersant Siloxanes with hydrophobic organic groups attached to silicon atoms impart the same hydrophobic characteristics to hydrophilic inorganic surfaces, and they are used as lon......
2021-06-21A) Coupling agent: Organic functional alkoxy silanes are used to conjugate organic polymers to inorganic materials, and a typical feature of this application is enhancement. Examples: fiberglass and ......
2021-06-21Consumer electronics components made of self-adhesive liquid silica gel Digitization and intelligentization of self - osmotic oil silicone power vehicle Automobile is also an important application......
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