Many semisynthetic materials , such as plastics, fibers, adhesives, glass, and porcelain, are also to a large extent polymeric substances. Structure of Polymers Polymers can be subdivided into three, or possibly four, structural groups. The molecules in linear polymers consist of long-lasting chains of monomers joined by bonds that are rigid to a certain degree-the monomers cannot rotate freely with respect to each other. well-ordered exampl...If you want to get a full essay, order it on our website: OrderCustomPaper.com
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