The application of polycarbonate in modern plastic industry

by:GWX     2020-08-26
In the five common engineering plastics, PC ( Polycarbonate) Is the only product has good transparency. Use of this advantage, PC successfully applied in many fields, including medical supplies, building energy saving, auto parts, and many other industry is developing rapidly. PC application prospect analysis the advantages and disadvantages in the current production technology of PC mainly include melting method and two kinds of phosgene method. Due to the former distillate high boiling phenol and difficult to achieve high molecular weight. The latter in the process of reaction using phosgene this highly toxic raw material, for high requirement in technology and safety links, if coupled with phenol itself also have toxicity, PC production barriers to entry make it has a certain monopoly. 0, 1 PC is a kind of optimal potential, comprehensive engineering plastics with excellent properties with high strength, ductility and toughness, have excellent impact strength, excellent at the same time, good pervious to light, the light transmittance can exceed 90%. Its flame retardant research also quite mature, many alloy material select one PC as a modification. PC is used as the plate heat insulation performance is common glass 1. 25 times, 250 times that of the impact strength is glass, and the density is only half of the glass, thus has great potential applications in the construction industry. Some additional PC is easy to mold processing, can replace the current auto parts to achieve the purpose of weight reduction and energy saving, especially in the auto industry of our country in terms of the use of PC accounts for only 5% of the total amount, compared with the 20% abroad, have very big development space. In electrical and electronic industries, PC high impact resistance, high heat deformation temperature, insulation, fire resistance and dimensional stability of excellent comprehensive performance, the dosage of always maintain strong growth. Given billions every year the domestic import PC meet demand and the market prospect is very optimistic. 0, 2 PC carrier potential, although widely USES, but many competitors, the cost is high, in many application fields can be replaced. Only on the nature of the material itself advantage, of course, is not enough to complete a grand building, as well as cement still needs to be reinforced to enhance, PC as building materials to join a lot of design. With the ascension of PC board production technology and production technology, PC hollow plate as a new type of material in the building roof, wall and wall of injected with many new architectural elements. The PC board can be through the most visible light, but it can block most of the infrared and ultraviolet (uv) light, natural light through the plate in the interior soft diffuse and not dazzling, so in industrial building, gymnasium, exhibition hall, large airports and other large space being building in a large number of adoption. 2. Automobile industry is the traditional Windows and skylights glass is replaced by lighter PC material, low density is just one of the reasons for this change, good processing properties of plastics can make the car development design innovation, will highly curved PC board with car body, improve aerodynamic efficiency. PC skylight development potential is tremendous, made in China have 1 every 3 cars will configure skylight or panoramic sunroof. High heat resistant polycarbonate during production of condenser and the mirror parts can be directly to the vacuum plating metal. 3. Medical equipment typical medical applications include high pressure syringe, disposable dental tools, surgical masks, blood oxygenation apparatus, blood, blood collector separation device, surgical device, kidney dialysis equipment, vein components and medical centrifuge. Can withstand high energy radiation and high temperature sterilization and no loss of physical properties and yellowing and improve chemical resistance to prevent the cracking is the key problems of the application of PC in the field to expand. PC also can be used as the solvent resistance of tumor treatment and cleaner. The medical polycarbonate products have durability and resistance to chemical help to prevent cracking, medical professionals can be more safely inject drugs for tumor patients. PC plastic, with its excellent mechanical, optical and thermal properties particularly remarkable, especially in high-end applications such as electronic products, auto parts, medical equipment and modern technology in the field of architecture and technology more mature, for its future development provides a strong support.
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