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Related Concept Videos

Polymer Classification: Architecture01:14

Polymer Classification: Architecture

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

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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.
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Anionic Chain-Growth Polymerization: Overview01:20

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The polymerization process that involves carbanion as an intermediate is called anionic polymerization. It is also a type of addition or chain-growth polymerization. Anionic polymerization gets initiated by a strong nucleophile such as an organolithium or a Grignard reagent. The most commonly used initiator for anionic polymerization is butyl lithium. Monomers involved in anionic polymerization must possess a vinyl group bonded to one or two electron-withdrawing groups. For instance,...
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Radiation: Applications01:17

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The average temperature of Earth is the subject of much current discussion. Earth is in radiative contact with both the Sun and dark space; it receives almost all its energy from the radiation of the Sun and reflects some of it into outer space. Dark space is very cold, about 3 K, so Earth radiates energy into it. For instance, heat transfer occurs from soil and grasses, the rate of which can be so rapid that frost can occur on clear summer evenings, even in warm latitudes.
The average...
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Step-Growth Polymerization: Overview01:03

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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.
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Fabricating Superhydrophobic Polymeric Materials for Biomedical Applications
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Gamma Radiation Processed Polymeric Materials for High Performance Applications: A Review.

Amol Tarachand Naikwadi1, Bhuwanesh Kumar Sharma2, Keyur D Bhatt2

  • 1Department of Polymer and Surface Engineering, Institute of Chemical Technology, Mumbai, India.

Frontiers in Chemistry
|April 1, 2022
PubMed
Summary
This summary is machine-generated.

High energy radiation processing, including gamma and electron beam radiation, enhances polymer properties for advanced applications. This technique offers controlled crosslinking and grafting for improved performance in sectors like automotive and healthcare.

Keywords:
electron beam radiationgamma induced crosslinkinggamma radiation induced graftinghigh performance applicationspolymer modification

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Radiation Physics

Background:

  • Polymeric materials require property enhancement for high-performance applications.
  • Traditional methods often have limitations in tailoring specific properties.
  • High energy radiation offers a versatile and effective alternative for polymer modification.

Purpose of the Study:

  • To review the advancements in high energy radiation processing for polymeric materials.
  • To highlight the use of gamma and electron beam radiation for property enhancement.
  • To focus on the development of polymer blends, nanocomposites, and functionalized systems.

Main Methods:

  • Utilizing gamma and electron beam radiation for polymer crosslinking, grafting, and compatibilization.
  • Incorporating nanoscale clay into polymer systems to create nanohybrids.
  • Controlled dose radiation processing of polymer blends and nanocomposites.
  • Investigating radiation-induced grafting of monomers onto polymer backbones.

Main Results:

  • High energy radiation effectively tunes physical, chemical, thermal, surface, and structural properties of polymers.
  • Gamma and electron beam radiation facilitate crosslinking, grafting, and compatibilization of polymer systems.
  • Radiation processing offers advantages like speed, cleanliness, and control over chemical methods.
  • Modified polymers demonstrate improved properties suitable for demanding applications.

Conclusions:

  • High energy radiation processing is a powerful tool for tailoring polymer properties.
  • Gamma and electron beam radiation are key techniques for developing advanced polymer materials.
  • These modified polymers are crucial for innovation in automotive, nuclear, medical, and other high-tech industries.