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Polymers02:34

Polymers

41.0K
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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Factors Affecting Solubility04:01

Factors Affecting Solubility

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Compared with pure water, the solubility of an ionic compound is less in aqueous solutions containing a common ion (one also produced by dissolution of the ionic compound). This is an example of a phenomenon known as the common ion effect, which is a consequence of the law of mass action that may be explained using Le Chȃtelier’s principle. Consider the dissolution of silver iodide:
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Solubility Equilibria03:07

Solubility Equilibria

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Solubility equilibria are established when the dissolution and precipitation of a solute species occur at equal rates. These equilibria underlie many natural and technological processes, ranging from tooth decay to water purification. An understanding of the factors affecting compound solubility is, therefore, essential to the effective management of these processes. This section applies previously introduced equilibrium concepts and tools to systems involving dissolution and precipitation.
The...
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Solubility of Ionic Compounds02:55

Solubility of Ionic Compounds

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Solubility is the measure of the maximum amount of solute that can be dissolved in a given quantity of solvent at a given temperature and pressure. Solubility is usually measured in molarity (M) or moles per liter (mol/L). A compound is termed soluble if it dissolves in water.
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Physical Properties Affecting Solubility02:19

Physical Properties Affecting Solubility

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Solutions of Gases in Liquids
As for any solution, the solubility of a gas in a liquid is affected by the attractive intermolecular forces between solute and solvent species. Unlike solid and liquid solutes, however, there is no solute-solute intermolecular attraction to overcome when a gaseous solute dissolves in a liquid solvent since the atoms or molecules comprising a gas are far separated and experience negligible interactions. Consequently, solute-solvent interactions are the sole...
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Procedure for the Transfer of Polymer Films Onto Porous Substrates with Minimized Defects
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Soluble Hyperbranched Porous Organic Polymers.

Yuwan Yang1, Lingyun Feng2, Jun Ren1

  • 1Key Laboratory for Large-Format Battery Materials and System of Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China.

Macromolecular Rapid Communications
|August 10, 2018
PubMed
Summary

Researchers developed novel soluble porous organic polymers (SPOPs) using a facile one-step method. These SPOPs exhibit high surface areas, fluorescence, and remarkable drug loading capacity, offering potential in various applications.

Keywords:
drug deliveryfluorescencehyperbranched polymersporous organic polymerssoluble

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Nanotechnology

Background:

  • Soluble porous organic polymers (SPOPs) offer improved processability over insoluble materials.
  • Developing SPOPs with high surface area and tunable properties is crucial for advanced applications.

Purpose of the Study:

  • To present a new strategy for constructing novel soluble porous organic polymers (SPOPs).
  • To investigate the structural, optical, and functional properties of these newly synthesized SPOPs.

Main Methods:

  • A facile, one-step synthesis combining hyperbranched polymer topology with rigid building blocks.
  • Characterization of surface area (up to 646 m² g⁻¹), porosity retention after dissolution, and fluorescence properties.
  • Evaluation of drug loading efficiency using ibuprofen.

Main Results:

  • Successful synthesis of novel SPOPs with high surface areas and retained porosity after dissolution.
  • Polymers exhibit bright fluorescence due to an extended π-conjugated backbone.
  • Achieved high drug loading efficiency (1.91 g/g), significantly exceeding conventional porous organic polymers.

Conclusions:

  • The developed strategy provides a facile route to novel SPOPs with excellent processability and porosity.
  • These SPOPs demonstrate potential for gas storage/separation, photovoltaics, and biological applications, particularly drug delivery.
  • The high drug loading capacity highlights their promise for advanced pharmaceutical applications.