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Related Concept Videos

Polymer Classification: Architecture01:14

Polymer Classification: Architecture

3.1K
Polymers are classified as linear or branched on the basis of their chain architecture. The polymer chains in linear polymers have a long chain-like structure with minimal to no branching at all. Even if a polymer features large substituent groups on the monomer, which appear as branches to the skeleton, it is not considered a branched polymer. A branched polymer contains secondary polymer chains that arise from the main polymer chain. The branching occurs when the polymer growth shifts from...
3.1K
Polymers: Molecular Weight Distribution01:10

Polymers: Molecular Weight Distribution

3.8K
For any given polymer, the weight average molecular weight (Mw) is higher than, if not equal to, the number average molecular weight (Mn). The only situation in which the weight average molecular weight and the number average molecular weight are equal is when a polymer consists only of chains with equal molecular weight. However, this never happens in a synthetic polymer, since it is difficult to control the polymerization process up to a molecular level with accuracy to a hundred percent.
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Characteristics and Nomenclature of Copolymers01:24

Characteristics and Nomenclature of Copolymers

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Copolymers are the products obtained from the polymerization of multiple monomer species. So, in a polymer chain itself, there can be multiple repeating units that come from different monomers. The process of synthesizing a polymer from different monomer species is called copolymerization. When two monomers are involved, the polymer is known as a bipolymer. Polymers with three and four monomers are termed terpolymers and quaterpolymers, respectively. Figure 1 depicts the copolymerization of...
2.7K
Polymers02:34

Polymers

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21.3K
Step-Growth Polymerization: Overview01:03

Step-Growth Polymerization: Overview

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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...
3.7K
Polymer Classification: Stereospecificity01:26

Polymer Classification: Stereospecificity

2.7K
Polymerization generates chiral centers along the entire backbone of a polymer chain. Accordingly, the stereochemistry of the substituent group has a significant effect on polymer properties. Polymers formed from monosubstituted alkene monomers feature chiral carbons at every alternate position in the polymer backbone. Relative to the predominant orientation of substituents at the adjacent chiral carbons, the polymer can exist in three different configurations: isotactic, syndiotactic, and...
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Related Experiment Video

Updated: Sep 21, 2025

Advanced Compositional Analysis of Nanoparticle-polymer Composites Using Direct Fluorescence Imaging
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Advanced Compositional Analysis of Nanoparticle-polymer Composites Using Direct Fluorescence Imaging

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Polymer Nanocomposite Data: Curation, Frameworks, Access, and Potential for Discovery and Design.

L Catherine Brinson1, Michael Deagen2, Wei Chen3

  • 1Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, United States.

ACS Macro Letters
|June 2, 2022
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Summary

NanoMine is an open-source platform for curating experimental data on polymer nanocomposites. It aims to make materials data findable, accessible, interoperable, and reusable, promoting easier nanocomposite design.

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Area of Science:

  • Materials Science
  • Data Science
  • Polymer Science

Background:

  • The Materials Genome Initiative (MGI) spurred development of materials data resources.
  • Existing systems often focus on computational data for metallic alloys.
  • There is a need for platforms managing diverse experimental data for polymer nanocomposites.

Purpose of the Study:

  • Introduce NanoMine, an open-source platform for experimental polymer nanocomposite data.
  • Facilitate data curation, storage, and access to characterization and analysis tools.
  • Promote facile design of polymer nanocomposites through accessible data.

Main Methods:

  • Curation of experimental data from literature and laboratories into the NanoMine platform.
  • Development of an open-source system for storing and accessing polymer nanocomposite data.
  • Implementation of FAIR data principles (Findable, Accessible, Interoperable, Reusable).

Main Results:

  • NanoMine has curated over 2500 samples of polymer nanocomposite data.
  • The platform demonstrates flexibility in capturing diverse experimental metadata.
  • A virtual issue showcased the repository's capability with 230 curated samples.

Conclusions:

  • NanoMine provides a FAIR data platform for polymer nanocomposite research.
  • The platform supports data archiving, accessibility, and reuse.
  • NanoMine aims to become a node in an interconnected materials data ecosystem for enhanced discovery.