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Related Concept Videos

Adhesion01:14

Adhesion

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Adhesion occurs when one type of molecule is attracted to a different molecule. Water exhibits adhesive properties in the presence of polar surfaces, such as glass or cellulose in plants. For instance, when water is poured into a glass, the positively charged hydrogen molecules of water are more attracted to the negatively charged oxygen molecules in the silica than to the oxygen in neighboring water molecules.
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Olefin Metathesis Polymerization: Ring-Opening Metathesis Polymerization (ROMP)01:16

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Ring-opening metathesis polymerization or ROMP involves strained cycloalkenes as starting materials. The mechanism of ROMP proceeds by reacting cycloalkene with Grubbs catalyst to give metallacyclobutane intermediate which undergoes a ring-opening reaction to form new carbene. The new carbene reacts with another molecule of cycloalkene. Repetition of these steps leads to the formation of an unsaturated open-chain polymer product. All these steps are reversible, however, relieving the ring...
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Members Made of Elastoplastic Material01:19

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The behavior of elastoplastic materials under bending stresses, particularly in structural members with rectangular cross-sections, is crucial for predicting material responses and understanding failure modes. Initially, when a bending moment is applied, the stress distribution across the section follows Hooke's Law and is linear and elastic. This distribution means the stress increases from the neutral axis to the maximum at the outer fibers, up to the elastic limit.
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Updated: Jan 26, 2026

Heterogeneous Removal of Water-Soluble Ruthenium Olefin Metathesis Catalyst from Aqueous Media Via Host-Guest Interaction
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Adhesive supramolecular polymeric materials constructed from macrocycle-based host-guest interactions.

Xiaofan Ji1, Mehroz Ahmed, Lingliang Long

  • 1Department of Chemistry, The University of Texas at Austin, 105 East 24th Street, Stop A5300, Austin, Texas 78712, USA. sessler@cm.utexas.edu.

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Scientists are developing advanced synthetic adhesives inspired by nature. These materials utilize macrocycle-based host-guest interactions, offering unique properties like responsiveness and multiple non-covalent bonding for superior adhesion.

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Area of Science:

  • Supramolecular Chemistry
  • Materials Science
  • Polymer Science

Background:

  • Nature employs non-covalent interactions for adhesion.
  • Synthetic materials mimic these interactions for adhesive properties.
  • Macrocycle-based host-guest interactions are a key focus due to unique characteristics.

Purpose of the Study:

  • To review recent advancements in supramolecular polymeric adhesives.
  • To highlight the role of macrocycle-based host-guest interactions in these materials.
  • To provide future perspectives and challenges in the field.

Main Methods:

  • Literature review of recent research on supramolecular adhesives.
  • Focus on materials utilizing host-guest interactions.
  • Analysis of properties and applications.

Main Results:

  • Supramolecular polymers leveraging host-guest interactions show promise as advanced adhesives.
  • These interactions enable tunable properties and stimuli-responsiveness.
  • Diverse non-covalent interactions can be combined for enhanced adhesion.

Conclusions:

  • Macrocycle-based host-guest interactions are crucial for developing next-generation synthetic adhesives.
  • Further research is needed to overcome challenges and unlock full potential.
  • This field offers exciting prospects for novel adhesive materials.