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Chemists have always been inspired by nature. A few years ago, researchers dreamed of a new catalyst that, like most natural enzymes, does not require the use of expensive metals. "Organic catalysis" ......
2020-01-20The world population is growing. Some forecasts indicate that by 2050 we will have nearly 10 billion people. In order to protect the sustainable development of crops, it is necessary to increase agric......
2020-01-20In recent years, the preparation methods of ultrafine silicon carbide powders developed in the high-tech field are mainly divided into three types: solid phase method, liquid phase method and gas phas......
2019-12-31On an aircraft carrier, when the carrier-based aircraft takes off, whether it is a catapult takeoff or a skid takeoff, an inclined rectangular deck will be erected at the rear of the carrier-based air......
2019-12-31The ocean is the largest and harshest corrosive environment on the planet. Climatic conditions such as large temperature differences at sea, high humidity, and high salt spray have greatly accelerated......
2019-12-31In the 1980s, China began to study the modified epoxy deck surface paint. Due to the nature of the base material of this non-slip paint, it cannot withstand the sun and rain, and has the disadvantages......
2019-12-31On December 17, China's first domestic aircraft carrier "Shandong" was delivered to the Navy at a military port in Sanya, Hainan. China's independent and independent construction of aircraft carriers ......
2019-12-31The leveling of the coating film is a manifestation of the apparent performance of the coating. In fact, the leveling of the coating is related to many aspects of the coating, such as viscosity, coa......
2019-12-26Typical organic resins and silicone resins have their own characteristics: alkyd resins are cheap, durable and excellent in water resistance; but they have poor UV resistance. Polyurethane (PU) has ex......
2019-12-25Industrial maintenance coatings are mainly used in industrial anticorrosion, home appliances, marine aquatic parts, furniture and coils. In the early years, considering the high cost of organic silico......
2019-12-25The metal filler has high thermal conductivity and can transfer the heat on the coated substrate. In addition, since the silicone resin is oxidized, the metal particles and the silicone resin fuse to ......
2019-12-25Since the main chain of the silicone polymer is an SI—O—SI—O—one bond, and the side group is an organic group, it has the characteristics of both inorganic and organic substances, and has higher tempe......
2019-12-25A rust-proof and anti-corrosive coating has been developed in China for use as a metal primer. When the metal surface is not completely rust-removed, the coating can be directly applied to the metal s......
2019-12-25Metal surfaces can also be chromated. It is a process in which a chromate solution is used to interact with a metal to form a trivalent or hexavalent chromate layer on its surface. It is mostly used f......
2019-12-23Metals include ferrous metals (such as steel) and non-ferrous metals (such as aluminum alloys). In order to prevent rust, they must be surface treated. There are many surface treatment methods, of whi......
2019-12-23
