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Related Concept Videos

Characteristics and Nomenclature of Copolymers01:24

Characteristics and Nomenclature of Copolymers

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...
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,...

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Using Polystyrene-block-poly(acrylic acid)-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization
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Using Polystyrene-block-poly(acrylic acid)-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization

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Suprapolymer structures from nanostructured polymer particles.

Takeshi Higuchi1, Atsunori Tajima, Kiwamu Motoyoshi

  • 1WPI Research Center, Advanced Institute for Materials Research, Tohoku University, 2-1-1, Katahira, Aoba-ku, Sendai 980-8577, Japan. higuchi@mail.tagen.tohoku.ac.jp

Angewandte Chemie (International Ed. in English)
|June 5, 2009
PubMed
Summary
This summary is machine-generated.

Researchers created unique suprapolymer structures using polymer nanoparticles. By cross-linking one polymer and dissolving another, novel materials were fabricated for advanced applications.

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Area of Science:

  • Polymer science and materials engineering.
  • Nanotechnology and self-assembly.

Background:

  • Block copolymers and homopolymer blends are key components in creating structured polymer materials.
  • Phase-separated polymer nanoparticles offer unique architectures for material fabrication.

Purpose of the Study:

  • To develop a novel method for fabricating unique suprapolymer structures.
  • To utilize phase-separated polymer nanoparticles for advanced material design.

Main Methods:

  • Preparation of polymer nanoparticles using block copolymers and homopolymer blends.
  • Selective cross-linking of one polymer component within the nanoparticle.
  • Dissolution of the non-cross-linked polymer component to reveal the suprapolymer structure.

Main Results:

  • Successfully fabricated unique suprapolymer structures with controlled architectures.
  • Demonstrated the effectiveness of the "divide and conquer" approach using phase-separated polymer nanoparticles.
  • Achieved distinct structures by selectively modifying polymer moieties (polyisoprene and polystyrene).

Conclusions:

  • The described method provides a versatile route to complex suprapolymer architectures.
  • Phase-separated polymer nanoparticles are effective building blocks for advanced materials.
  • This technique enables precise control over nanoscale structure formation.