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Related Concept Videos

Polymers02:34

Polymers

40.9K
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...
40.9K
Polymers02:34

Polymers

23.3K
No description available
23.3K
Polymer Classification: Architecture01:14

Polymer Classification: Architecture

3.8K
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...
3.8K
Polymer Classification: Crystallinity01:21

Polymer Classification: Crystallinity

4.0K
Unlike ionic or small covalent molecules, polymers do not form crystalline solids due to the diffusion limitations of their long-chain structures. However, polymers contain microscopic crystalline domains separated by amorphous domains.
Crystalline domains are the regions where polymer chains are aligned in an orderly manner and held together in proximity by intermolecular forces. For example, chains in the crystalline domains of polyethylene and nylon are bound together by van der Waals...
4.0K
Polymer Classification: Stereospecificity01:26

Polymer Classification: Stereospecificity

3.3K
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...
3.3K
Polymers: Defining Molecular Weight01:01

Polymers: Defining Molecular Weight

3.8K
Unlike small molecules with definite molecular weights, polymers are a mixture of individual polymer chains of varying lengths, each with a unique molecular weight.  So, the molecular weight of a polymer is expressed as an average value based on the average size of the polymer chains. The two most common forms of averages used for polymers are the number average molecular weight and weight average molecular weight.
The number average molecular weight (Mn) is the summation of the number...
3.8K

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Updated: Feb 4, 2026

Vapor Phase Deposition of Electroactive Poly(3,4-ethylenedioxythiophene) onto Electrospun Commodity Polymer Nanofibers
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Vapor Phase Deposition of Electroactive Poly(3,4-ethylenedioxythiophene) onto Electrospun Commodity Polymer Nanofibers

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From commodity polymers to functional polymers.

Tao Xiang1, Ling-Ren Wang1, Lang Ma1

  • 1College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, People's Republic of China.

Scientific Reports
|April 9, 2014
PubMed
Summary
This summary is machine-generated.

Researchers developed a direct synthesis method for functional polymers using in situ cross-linked polymerization. This facile approach yields polymers with pH-sensitivity, antifouling, antibacterial, and anticoagulant properties for advanced material applications.

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Area of Science:

  • Polymer Chemistry
  • Materials Science

Background:

  • Functional polymers possess specific chemical groups for tailored applications.
  • Direct synthesis methods are crucial for efficient property adjustment and low material usage.

Purpose of the Study:

  • To develop an indispensable method for direct synthesis of functional polymers.
  • To explore the properties of polymers synthesized via in situ cross-linked polymerization/copolymerization.

Main Methods:

  • In situ cross-linked polymerization/copolymerization of various functional monomers.
  • Demonstration of facile synthesis of diverse functional polymers.

Main Results:

  • Synthesized polymers exhibit outstanding pH-sensitivity and pH-reversibility.
  • Polymers display excellent antifouling, antibacterial, and anticoagulant properties.

Conclusions:

  • The facile in situ polymerization method enables the synthesis of functional polymers with multiple desirable properties.
  • This approach provides a route for functionalizing commodity polymers, advancing their applications in various fields.