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Polystyrene is a synthetic polymer made from styrene monomers. It can be solid or foamed, and has various applications in packaging, containers, models, and phonograph records. Learn about its structure, properties, history, and environmental impact.
High impact polystyrene (HIPS) was discovered by Charles F. Fryling in 1961. [19] HIPS is a low cost, plastic material that is easy to fabricate and often used for low strength structural applications when impact resistance, machinability, and low cost are required.
Brittleness is the tendency of a material to fracture with little or no plastic deformation when stressed. Learn about the brittleness of different materials, such as polymers, metals and ceramics, and how it can be changed by temperature, pressure and toughening methods.
ABS is a thermoplastic polymer made by polymerizing styrene and acrylonitrile in the presence of polybutadiene. It has favorable mechanical properties such as impact resistance, toughness, and rigidity, but also poor resistance to some solvents and acids.
Learn about the types, uses, and environmental and safety issues of brominated flame retardants (BFRs), organobromine compounds that reduce flammability of products. Find out the EU regulation, testing methods, and reference materials for BFRs.
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[1] but (random) copolymerisation with less than 50% maleic anhydride content is also possible. [2] The polymer is formed by a radical polymerization , using an organic peroxide as the initiator. The main characteristics of SMA copolymer are its transparent appearance, high heat resistance, high dimensional stability, and the specific ...
Thermoplastic is a plastic polymer that becomes pliable or moldable at a certain temperature and solidifies upon cooling. Learn about the different types of thermoplastics, such as acrylic, nylon, PLA, and polycarbonate, and their applications, advantages, and disadvantages.