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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,...
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...
Types of Step-Growth Polymers: Polyesters01:20

Types of Step-Growth Polymers: Polyesters

The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the polymer...
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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Ice-Templating Derived High-Performance Layered Bulk Polymer Nanocomposites.

Huagao Wang1, Gaoyuan Wang1, Ju Liu1

  • 1Institute of Advanced Ceramics, Henan Academy of Sciences, Zhengzhou, 450046, China.

Small (Weinheim an Der Bergstrasse, Germany)
|August 11, 2025
PubMed
Summary

Ice templating fabricates layered polymer nanocomposites inspired by nacre. This review explores fabrication strategies, structure-property relationships, and applications in thermal management and EMI shielding.

Keywords:
applicationsice‐templatinglayered structuremechanical performancepolymer bulk nanocomposites

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Polymer Science

Background:

  • Nacre's "brick-and-mortar" structure inspires advanced material fabrication.
  • Ice templating is a frontier technique for layered bulk polymer nanocomposites.

Purpose of the Study:

  • Systematically review ice templating for layered polymer nanocomposites.
  • Analyze structure-property-application relationships.
  • Propose solutions for current fabrication challenges.

Main Methods:

  • Elucidate three ice templating construction strategies: scaffold infiltration, hot-pressing, and mineralization.
  • Analyze mechanical property regulation by scaffold structure and nanofiller-polymer interfaces.
  • Investigate applications in thermal management, EMI shielding, and self-monitoring.

Main Results:

  • Comparative analysis of applicable scales and performance optimization for fabrication strategies.
  • Emphasis on nanofiller-polymer interfacial interactions in energy dissipation.
  • Identification of challenges in controlling interlayer defects and dynamic interface design.

Conclusions:

  • Ice templating offers versatile fabrication routes for layered polymer nanocomposites.
  • Understanding interfacial interactions is crucial for mechanical property tuning.
  • Future directions include multi-physical field coupling and dynamic interface reconstruction for high-performance materials.