Dongguan ansuyi polymer material technology Co., Ltd

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Conductive plastic is a functional polymer material that uses resin as base material and conductive additive and is processed by plastic processing. It is mainly used in chip, electronics, integrated circuit packaging, electromagnetic wave shielding and other fields. Such as plastic conductive / anti-static gas transmission and infusion pipes; Low resistance plastic packaging pallets, conductive / antistatic plastic sheets, sheets, foam and conductive films for electronic products are the most important categories of conductive polymer materials.
Because the conventional application of plastics in the electrical field is as insulating materials, some people treat conductive plastics as special functional materials. Generally speaking, the conductivity of an object has four forms: insulator, semiconductor, conductor and superconductor.
Conductive plastic has realized the great change from insulator to semiconductor and then to conductor, which is the most possible change span of all substances. Conductive plastic combines the conductivity of metal (i.e. a certain voltage is applied at both ends of the material, and an electric current passes through the material) and various characteristics of plastic (i.e. the material molecules are composed of many small and repeated structural units). Compared with traditional materials, it has the characteristics of light weight, easy molding, mechanical flexibility, high strength, low cost, adjustable resistivity (resistance value), and can be easily synthesized or compounded into materials with various structures through molecular design.
Conductive plastics can be divided into insulator, antistatic body, conductor and high conductor according to their conductive properties;
According to the production method, it can be divided into structural conductive plastic and composite conductive plastic;
Structural conductive plastic refers to the plastic itself has "inherent" conductivity, and the polymer structure provides conductive carriers (electrons, ions or holes). After doping, the conductivity of such plastics can be greatly improved, some of which can even reach the conductivity level of metal, and the conductivity can be increased to 104 Ω - 1 · cm-1. Structural conductive plastics can be used to make high-power plastic batteries, high-energy density capacitors, microwave absorbing materials, etc.
Composite conductive plastics in composite conductive plastics, the plastic itself does not have conductivity, but only acts as an adhesive. Conductivity is obtained by mixing conductive substances such as carbon black and metal powder.
These conductive fillers play the role of providing carriers in composite conductive plastics. Composite conductive plastics are easy to prepare and have strong practicability. They are often used in switches, pressure-sensitive components, connectors, antistatic materials, electromagnetic shielding materials, resistors and solar cells. For example, the conductive plastic is applied to the GPS shell to prevent the electromagnetic interference between the control units in the car from affecting the use performance and even endangering the driving safety. It is used to manufacture high-end camera shell, which can perfectly protect the precision electronic components in the camera and avoid image display distortion and other problems in the use of the camera
It can be divided into antistatic materials, conductive materials and electromagnetic wave shielding materials.
It can also be divided into anti-static materials, anti-static materials, electrode materials, heating body materials and electromagnetic wave shielding materials according to its different functions.
Plastic base materials include: PP, PE, PC / ABS, PC, ABS, PA, PPE, TPU, pompa, PC, PC / ABS, PS, PVC, Pei, PPO, pet, PBT, PSU, PPS, EPDM, TPE, PETG, TPO and other thermoplastics and thermosetting plastics such as phenolic resin, amino resin and epoxy resin;
According to different forms of resin, it can be divided into: conductive plastic, conductive rubber, conductive coating, conductive adhesive, conductive film, etc;
Conductive additives: nano carbon black, graphene, carbon nanotubes, conductive powder, nickel plated carbon fiber, stainless steel fiber, other permanent conductive / antistatic fillers, etc;
Among them, carbon black is the most commonly used conductive filler in conductive composites. When you need materials with a surface resistance from 1.0e2 to 9.9e5 ohms, Hengsheng recommends that conductive carbon black is usually the best choice based on 20 years of experience. Compared with other conductive fillers and polymers, it has good durability, wear resistance and price advantages. For the application of thin films, the dispersion and particle size of conductive carbon black are the key, while for thick wall pipes, the selection of conductive carbon black is relatively simple.
When the target is the lowest raw material cost, the conductive plastic color masterbatch based on conductive carbon black is the best choice. We can provide conductive plastic masterbatch with carbon black as high as possible. The final product performance is determined by the mixture of conductive plastic masterbatch and diluted polymer. This is the theme product line developed and produced by Hengsheng industry (Hong Kong) Co., Ltd. in addition to the economic advantages, the conductive plastic masterbatch also gives downstream users more freedom to modify the product formula. For example, use reinforced polymer compounds or recyclable plastics.
Nowadays, the concept of conductive material, such as plastic pallet and corrugated can, has been widely used in many fields, especially in the field of plastic matrix, sheet and can. In injection molding, they are usually used for large and expensive molded products, such as large boxes or pallets. In blow molding, especially packaging film, has been demanded in more and more local scenes!


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