Step growth polymerization

Name: Step growth polymerization
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Bol Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.Step-growth polymerization refers to a type of polymerization mechanism in which bi-functional or multifunctional monomers react to form first dimers, then trimers, longer oligomers and eventually long chain polymers. Many naturally occurring and some synthetic polymers are produced by step-growth polymerization, e.g. polyesters, polyamides, polyurethanes, etc. Due to the nature of the polymerization mechanism, a high extent of reaction is required to achieve high molecular weight. The easiest way to visualize the mechanism of a step-growth polymerization is a group of people reaching out to hold their hands to form a human chain - each person has two hands. There also is the possibility to have more than two reactive sites on a monomer: In this case branched polymers are produced.

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.Step-growth polymerization refers to a type of polymerization mechanism in which bi-functional or multifunctional monomers react to form first dimers, then trimers, longer oligomers and eventually long chain polymers. Many naturally occurring and some synthetic polymers are produced by step-growth polymerization, e.g. polyesters, polyamides, polyurethanes, etc. Due to the nature of the polymerization mechanism, a high extent of reaction is required to achieve high molecular weight. The easiest way to visualize the mechanism of a step-growth polymerization is a group of people reaching out to hold their hands to form a human chain - each person has two hands. There also is the possibility to have more than two reactive sites on a monomer: In this case branched polymers are produced.

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