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Updated: Jun 17, 2026

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water
16:24

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water

Published on: August 2, 2012

ダイナミックな超分子ポリマーで多数決原則の限界を試す

Maarten M J Smulders1, Patrick J M Stals, Tristan Mes

  • 1Laboratory of Macromolecular and Organic Chemistry and Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.

Journal of the American Chemical Society
|December 18, 2009
PubMed
まとめ

研究者は,化学構造がベンゼン-1,3,5-トリカルボキシアミド (BTA) 誘導体におけるキラル増幅にどのように影響するかを研究した. 超分子キラル増幅には単一のステレオセンターが十分で,エネルギーペナルティが増幅限界に影響を与える.

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Determination of Molar Masses of Polymers I

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Radical Chain-Growth Polymerization: Chain Branching

The skeletal structure of polymers synthesized via radical polymerization is always branched. For example, the polymerization of ethylene by radical polymerization results in a low-density grade of polyethylene with a heavily branched skeletal structure. Here, the radical site abstracts hydrogen from the growing chain, and the radical site shifts from the end (a primary carbon center) to anywhere within the growing chain (a secondary carbon center). Consequently, the part of the chain from the...
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Molecular Weight of Step-Growth Polymers

Step growth polymerization involves bi or multifunctional monomers. Bifunctional monomers react to form linear step growth polymers, whereas multifunctional monomers react to form non-linear or branched polymers.
As the step-growth polymerization involves step-wise condensation of monomers, the molecular weight also builds up eventually. Consequently, high molecular weight polymers are obtained at the late stages of the polymerization, where 99% of monomers have been consumed.
The extent of the...
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Step-Growth Polymerization: Overview

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Many natural and synthetic polymers are produced by...