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Related Concept Videos

Polymers02:34

Polymers

38.5K
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...
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Polymers02:34

Polymers

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Types of Step-Growth Polymers: Polyesters01:20

Types of Step-Growth Polymers: Polyesters

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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.
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...
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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...
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ATP and Macromolecule Synthesis01:28

ATP and Macromolecule Synthesis

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Biological macromolecules are organic compounds, predominantly composed of carbon atoms. The carbon atoms are covalently bonded with hydrogen, oxygen, nitrogen, and other minor elements. There are four major biological macromolecule classes: carbohydrates, lipids, proteins, and nucleic acids.
Most macromolecules are composed of single subunits, or building blocks, called monomers. The monomers combine with each other using covalent bonds to form larger molecules known as polymers.
Conversion of...
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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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Manufacturing Of Robust Natural Fiber Preforms Utilizing Bacterial Cellulose as Binder
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Biopolymers from Natural Resources.

Rafael Balart1, Daniel Garcia-Garcia1, Vicent Fombuena1

  • 1Technological Institute of Materials (ITM), Universitat Politècnica de València (UPV), Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Spain.

Polymers
|August 10, 2021
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This summary is machine-generated.

The growing focus on ecology drives the development of sustainable plastics. This shift aims to decrease reliance on non-renewable resources for plastic production.

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Area of Science:

  • Materials Science
  • Environmental Science
  • Polymer Chemistry

Background:

  • Traditional plastics pose significant environmental challenges due to their reliance on non-renewable resources.
  • Increasing ecological concerns are driving demand for sustainable alternatives to conventional plastics.
  • Research is focused on developing novel materials that minimize environmental impact.

Discussion:

  • The transition towards sustainable plastics is crucial for reducing the ecological footprint of the plastics industry.
  • Exploring alternative feedstocks and production methods is key to achieving sustainability goals.
  • Life cycle assessments are essential for evaluating the true environmental benefits of new plastic materials.

Key Insights:

  • Sustainable plastics offer a viable solution to mitigate the environmental impact of plastic waste.
  • Reduced consumption of non-renewable resources is a primary benefit of adopting eco-friendly plastics.
  • Innovation in polymer science is paving the way for a circular economy in plastics.

Outlook:

  • Continued research and development are expected to yield advanced sustainable plastic solutions.
  • Policy and industry collaboration will accelerate the adoption of eco-friendly plastics globally.
  • The future of plastics lies in sustainable materials that balance performance with environmental responsibility.