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Related Concept Videos

Polymers02:34

Polymers

The word polymer is derived from the Greek words “poly” which means “many” and “mer” which means “parts”. Polymers are long chains of molecules composed of repeating units of smaller molecules, known as monomers. They either occur naturally, such as DNA and proteins, or can be constructed synthetically, like plastics. They have varied structural characteristics, such as linear chains, branched chains, or complex networks, that contribute to the properties that they exhibit. Additionally,...
Polymers02:34

Polymers

The word polymer is derived from the Greek words “poly” which means “many” and “mer” which means “parts”. Polymers are long chains of molecules composed of repeating units of smaller molecules, known as monomers. They either occur naturally, such as DNA and proteins, or can be constructed synthetically, like plastics. They have varied structural characteristics, such as linear chains, branched chains, or complex networks, that contribute to the properties that they exhibit. Additionally,...
Polymers02:34

Polymers

The word polymer is derived from the Greek words “poly” which means “many” and “mer” which means “parts”. Polymers are long chains of molecules composed of repeating units of smaller molecules, known as monomers. They either occur naturally, such as DNA and proteins, or can be constructed synthetically, like plastics. They have varied structural characteristics, such as linear chains, branched chains, or complex networks, that contribute to the properties that they exhibit. Additionally,...
Step-Growth Polymerization: Overview01:03

Step-Growth Polymerization: Overview

Step-growth or condensation polymerization is a stepwise reaction of bi or multifunctional monomers to form long-chain polymers. As all the monomers are reactive, most of the monomers are consumed at the early stages of the reaction to form small chains of reactive oligomers, which then combine to form long polymer chains in the late stages. Hence, the reaction has to proceed for a long time to achieve high molecular weight polymers.
Many natural and synthetic polymers are produced by...
Molecular Weight of Step-Growth Polymers01:08

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...
Determination of Molar Masses of Polymers I01:24

Determination of Molar Masses of Polymers I

Polymerization produces macromolecules with a range of chain lengths due to the random nature of molecular growth processes. As chains form and terminate at different stages, a single polymer sample contains molecules of varying sizes rather than a uniform structure. This variability is described using average molar masses and distribution-related parameters, which together provide a comprehensive understanding of polymer characteristics.The distribution of molar masses plays a critical role in...

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DNA Nanotubes as a Versatile Tool to Study Semiflexible Polymers
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Beyond Molecular Determinism: State-Convergent Polymerization as a Functional Design Principle Under Chemical

Seonki Hong1

  • 1Department of Physics and Chemistry, Daegu Gyeongbuk Institute of Science and Technology, Daegu, South Korea.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|June 9, 2026
PubMed
Summary

State-convergent polymerization (SCP) offers a new design logic for functional polymers, focusing on achieving a desired material state rather than a precise molecular structure. This approach enables robust polymer design in complex chemical environments.

Keywords:
functional state convergencemelanin‐inspired polymerizationpolydopaminestate‐convergent polymerizationstructural heterogeneity

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Synthesis of Cyclic Polymers and Characterization of Their Diffusive Motion in the Melt State at the Single Molecule Level

Published on: September 26, 2016

Area of Science:

  • Polymer Chemistry
  • Materials Science
  • Chemical Engineering

Background:

  • Traditional polymer design relies on precise molecular structures and reaction pathways.
  • Functional polymers like melanins and polydopamine exhibit reproducible performance despite molecular heterogeneity and ill-defined architectures.
  • Existing methods struggle with designing polymers under conditions of chemical complexity.

Purpose of the Study:

  • Introduce state-convergent polymerization (SCP) as a novel design logic for polymeric materials.
  • Propose a framework for designing functional polymers that converge to a specific material state, decoupling function from molecular determinism.
  • Provide actionable principles for creating robust functional materials in complex chemical environments.

Main Methods:

  • Define SCP as a process where polymer formation emerges from dynamically evolving reactive motifs within bounded chemical state spaces.
  • Utilize experimentally accessible variables (pH, redox, oxygen, confinement) to address and control these chemical state spaces.
  • Enable multiple reaction trajectories to coexist while enforcing functional convergence toward a target material state.

Main Results:

  • Demonstrate that SCP allows for the design of polymers where function is achieved without precise molecular control.
  • Showcase how chemical complexity can be managed through controlled state spaces, leading to reproducible material properties.
  • Highlight the decoupling of polymer function from molecular determinism.

Conclusions:

  • State-convergent polymerization provides a robust framework for designing functional materials under chemical complexity.
  • SCP enables the creation of advanced materials for biointerfaces, adaptive coatings, and open-system polymerization.
  • This approach reframes polymer synthesis from structure prescription to state engineering for enhanced material performance.