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Their thermoplastic nature allows TPVs, unlike traditional vulcanized rubbers, to be melted and reprocessed multiple times. Across the automotive, household appliance, electrical, construction, and healthcare sectors, nearly 100 TPV grades are used globally. Monsanto trademarked the name Santoprene for these materials in 1977. [1]
Zytel is a trademark owned by Celanese and used to make different high-strength, abrasion, and impact-resistant thermoplastic polyamide formulations, in the family of material more commonly known as nylon.
Silky, thermoplastic and resistant to biological and chemical agents: Stockings, fabrics, toothbrushes. Molded nylon is used in making machine screws, gears etc. Nomex: Meta-aramid polymer: Excellent thermal, chemical, and radiation resistance, rigid, durable and fireproof.
Along with the high temperature properties, this thermoset polymer type must be processed at very high temperatures and relative pressure to produce optimum characteristics. With prepreg materials, 600 °F (316 °C) to 650 °F (343 °C) temperatures and 200 psi (1,379 kPa) pressures are required. The entire cure profiles are inherently long as ...
The material is widely used in the automotive and consumer electronics industry. There are special grades that offer higher mechanical toughness, stiffness or low-friction/wear properties. POM is commonly extruded as continuous lengths of round or rectangular section. These sections can be cut to length and sold as bar or sheet stock for machining.
In manufacturing processes by polycondensation a high purity of the starting materials is important. In addition, the stereochemistry plays a role in achieving the desired properties in general. The development of new high-performance plastics is therefore closely linked to the development and economic production of the constituent monomers. [2]
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An ABS 3D bell manufactured with a 3D printer. Engineering plastics [1] are a group of plastic materials that have better mechanical or thermal properties than the more widely used commodity plastics (such as polystyrene, polyvinyl chloride, polypropylene and polyethylene).