Elastomer: Elastomer, any rubbery material composed of long chainlike molecules, or polymers, that are capable of recovering their original shape after being stretched to great extents—hence the name elastomer, from “elastic polymer.”
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Polyurethanes are linear polymers that have a molecular backbone containing carbamate groups (-NHCO2). These groups, called urethane, are produced through a chemical reaction between a diisocyanate and a polyol.
Provides definition, structure, and uses of the polymer nylon.
The microstructure of a polymer (sometimes called configuration) relates to the physical arrangement of monomer residues along the backbone of the chain. These are the elements of polymer structure that require the breaking of a …
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BACKBONE – Used in reference to scrollwork, the backbone is the main spiral upon which the leaves and tendrils are formed. The backbone may be cut with a single line or engraved with a wiggle tool pattern as in Western bright cut engraving.
Spandex is a synthetic polymer. Chemically, it is made up of a long-chain polyglycol combined with a short diisocyanate, and contains at least 85% polyurethane.
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Nylon is a generic designation for a family of synthetic polymers, based on aliphatic or semi-aromatic polyamides.Nylon is a thermoplastic silky material that can be melt-processed into fibers, films or shapes.