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Related Concept Videos

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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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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Characteristics and Nomenclature of Copolymers01:24

Characteristics and Nomenclature of Copolymers

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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...
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Polymers: Molecular Weight Distribution01:10

Polymers: Molecular Weight Distribution

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For any given polymer, the weight average molecular weight (Mw) is higher than, if not equal to, the number average molecular weight (Mn). The only situation in which the weight average molecular weight and the number average molecular weight are equal is when a polymer consists only of chains with equal molecular weight. However, this never happens in a synthetic polymer, since it is difficult to control the polymerization process up to a molecular level with accuracy to a hundred percent.
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Superplasticizers01:30

Superplasticizers

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Superplasticizers are advanced admixtures that enhance the workability of concrete by lowering the water content without compromising the strength of the material. These substances are highly effective water reducers, improving concrete flow, making it easier to work with, and enabling concrete to reach inaccessible areas or densely reinforced sections without mechanical vibration. The key components in superplasticizers are either sulfonated melamine or naphthalene formaldehyde condensates,...
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Composite Scaffolds of Interfacial Polyelectrolyte Fibers for Temporally Controlled Release of Biomolecules
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Biopolymer Composites 2022.

Ana M Díez-Pascual1

  • 1Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona Km. 33.6, 28805 Alcalá de Henares, Madrid, Spain.

International Journal of Molecular Sciences
|April 13, 2023
PubMed
Summary

Researchers are developing sustainable, biodegradable polymers from renewable resources as eco-friendly alternatives to traditional plastics. This research focuses on creating nontoxic materials for a greener future.

Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Sustainable Engineering

Background:

  • Growing demand for environmentally friendly materials.
  • Need for alternatives to petroleum-based plastics.
  • Focus on biodegradable and biocompatible polymers from renewable resources.

Discussion:

  • Exploring novel polymer synthesis pathways.
  • Evaluating material properties for diverse applications.
  • Assessing environmental impact and lifecycle analysis.

Key Insights:

  • Development of novel biodegradable polymers.
  • Demonstration of biocompatibility for potential biomedical uses.
  • Utilization of renewable feedstocks for sustainable production.

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Outlook:

  • Potential for large-scale production of eco-friendly plastics.
  • Advancement in sustainable materials for various industries.
  • Contribution to reducing plastic pollution and reliance on fossil fuels.