![]() The repeating monomer of Ultradur is shown in (B). Ultradur, PBT is a plastic polymer that contains an aromatic functional group. Aromatic hydrocarbons contain the 6-membered benzene ring structure (A) that is characterized by alternating double bonds. PVC pipe installation photo provided by: Steve Tan.Īromatic hydrocarbons are defined by having 6-membered ring structures with alternating double bonds (Fig 8.2).įigure 8.2: Aromatic Hydrocarbons. Plexiglas aquarium photo provided by: Leonard G. Hip replacement photo provided by: The Science Museum London / Science and Society Picture Library. The polyvinylchloride repeating unit is shown in the lower left. Upper right, common PCV piping used as material being used for sewage and drains. The methylacrylate repeating unit is shown in the lower middle. Upper middle, shatterproof acrylic plexiglas used to build a large indoor aquarium. Upper left, a stainless steel and ultra high molecular weight polyethylene hip replacement. The polyethylene repeating unit is shown in the lower left. In fact, they serve as building blocks for many familiar plastics-polyethylene, vinyl plastics, acrylics-and other important synthetic materials (e.g., alcohols, antifreeze, and detergents).įigure 8.1 Common polymers made using alkene building blocks. Unsaturated hydrocarbons-hydrocarbons with double or triple bonds-on the other hand, are quite reactive. In Chapter 7, we noted that alkanes- saturated hydrocarbons-have relatively few important chemical properties other than that they undergo combustion and react with halogens. Our modern society is based to a large degree on the chemicals we discuss in this chapter. ![]()
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