Techniques & Tools Sample Preparation, Data Analysis

Characterization of Branded Co-Polymers by Triple Detection GPC

Polymers can be loosely grouped into two structural categories – linear and branched.

06/09/2014

A linear polymer is composed of a single main chain of repeating units, linked in a regular end to tail fashion. Branched polymers on the other hand, come in various different forms. Comb polymers have branches of similar structure emanating from the main polymer backbone. Random branched polymers have many different branching points, with variable branch lengths, attached not only to the backbone, but to the branches as well. Star branched polymers, and dendrimers, begin at a central point, with symmetrical branches radiating outward from the core. These structures are represented schematically in Figure 1.

Figure 1: a) a linear polymer, b) a random branched polymer, c) a comb polymer, and d) a star branched polymer or a dendrimer.

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