Wear resistant modified engineering plastics can provide lower friction coefficient to reduce wear rate. For example, the cover of the blood glucose meter can increase the service life of its back and forth opening and closing after using wear-resistant materials. At the same time, wear-resistant modified engineering plastics are also used in color matching products, even between different materials. In the use of products, such as needles and blades, the lubricating effect of the material also benefits. In addition, other applications of wear-resistant materials include catheters, cannulas, actuators and vacuum tubes. Other effects include reducing noise due to the movement of smooth parts, improving the processing and production performance of plastics and the efficiency of extrusion molding.
Conductive modified engineering plastics
When the conductive component is added to the thermoplastic material, it has the function of electrostatic dissipation (ESD) and preventing electrostatic accumulation, which can play a protective role. Conductive thermoplastic materials allow continuous discharge of static electricity rather than rapid accumulation and discharge. Static electricity can damage sensitive electronic components and can cause explosions in flammable environments. The accumulated static electricity will block the material transmission and interrupt the mechanical transmission. Conductive thermoplastic materials can be widely used in color matching products, and some conductive materials are transparent. Its applications mainly include ECG sensors, pipettes, electrical protection devices and new medical delivery devices, such as inhalation products, including PMDI spacers.
Radiation resistant modified engineering plastics
Specific additives can increase the density of thermoplastic. These high-density thermoplastics have the texture of metal, while maintaining the processing characteristics of plastics. The medical product field is looking for such materials that can replace lead because of environmental protection. At the same time, these high proportion additives also have radiation resistance characteristics. Injection molded parts, conduit pieces or sheet materials composed of radiation resistant compounds can attract X-ray without being penetrated by rays. The fabric soft sheet used in radiotherapy or surgery can help protect machines and personnel from the scattering and direct radiation of X-ray. The catheter containing barium sulfate can be tracked by fluoroscopy or X-ray imaging after implantation. The instruments (reusable handle and buckle closed loop) used by Baxter Healthcare in heart valve repair surgery are made of polycarbonate special modified engineering plastics. The plugs visible by X-ray (that is, with radiation protection function) are molded on the template by the embedded injection molding process, while the plugs resistant to steam treatment are made of polyethersulfone, which ensures that the whole device can withstand the high-temperature steam disinfection treatment.
Pre dyed modified engineering plastics
In recent years, plastic color matching technology has developed rapidly. In medical applications, designers can choose from FDA compliant and non migratory pigments. The unique color effect can help to form a unique selling point of the product and bring benefits to medical device designers. When medical products enter the household consumption market from hospitals, colorful and lovely colors and fluorescent effects help to enhance the value of the products. In addition, the application of elastomer can make the product have soft touch and thus increase the added value. Medical devices with comfortable and pleasant colors can also make patients more willing to cooperate with the treatment, and reduce their pain.
