Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Comparing Intermolecular Forces: Melting Point, Boiling Point, and Miscibility02:34

Comparing Intermolecular Forces: Melting Point, Boiling Point, and Miscibility

46.3K
Intermolecular forces are attractive forces that exist between molecules. They dictate several bulk properties, such as melting points, boiling points, and solubilities (miscibilities) of substances. Molar mass, molecular shape, and polarity affect the strength of different intermolecular forces, which influence the magnitude of physical properties across a family of molecules.
Temporary attractive forces like dispersion are present in all molecules, whether they are polar or nonpolar. They...
46.3K
Polymer Classification: Crystallinity01:21

Polymer Classification: Crystallinity

3.2K
Unlike ionic or small covalent molecules, polymers do not form crystalline solids due to the diffusion limitations of their long-chain structures. However, polymers contain microscopic crystalline domains separated by amorphous domains.
Crystalline domains are the regions where polymer chains are aligned in an orderly manner and held together in proximity by intermolecular forces. For example, chains in the crystalline domains of polyethylene and nylon are bound together by van der Waals...
3.2K
Intermolecular Forces and Physical Properties02:56

Intermolecular Forces and Physical Properties

23.2K
23.2K
Intermolecular Forces03:13

Intermolecular Forces

61.7K
Atoms and molecules interact through bonds (or forces): intramolecular and intermolecular. The forces are electrostatic as they arise from interactions (attractive or repulsive) between charged species (permanent, partial, or temporary charges) and exist with varying strengths between ions, polar, nonpolar, and neutral molecules. The different types of intermolecular forces are ion–dipole, dipole–dipole, hydrogen bonds, and dispersion; among these, dipole–dipole, hydrogen...
61.7K
Polymers: Molecular Weight Distribution01:10

Polymers: Molecular Weight Distribution

3.8K
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.
3.8K
Polymer Classification: Architecture01:14

Polymer Classification: Architecture

3.1K
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...
3.1K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Cingulate Gradient Dysfunction in End-Stage Renal Disease: Associations With Clinical Phenotypes and Exploratory Transcriptomic Signatures.

CNS neuroscience & therapeutics·2026
Same author

Diagnostic performance of <sup>18</sup>F-FDG PET-CT and SPECT for bone metastases from colorectal cancer: a retrospective study.

Frontiers in oncology·2026
Same author

Investigating the human anellome across the lifespan reveals sex-specific biphasic trajectories.

npj aging·2026
Same author

Autoinflammation with infantile enterocolitis induced by a heterozygous variant (c.1357C > T) in the NLRC4 gene: a case report.

Frontiers in pediatrics·2026
Same author

Effects of Topological Constraints on Equilibrium Swelling of Polymer Gels.

ACS polymers Au·2026
Same author

Corrigendum to "Traditional Chinese medicine pattern differentiation combined with Western risk stratification for febrile infants with enterovirus infection" [J Formos Med Assoc (2026) 7 S0929-6646(26)00490-0].

Journal of the Formosan Medical Association = Taiwan yi zhi·2026
Same journal

Multitargeted Degradation of Cell Surface Receptors by Modular Glyco-Nanosheets.

ACS macro letters·2026
Same journal

Vinyl Ether Maleic Anhydride Copolymers: Efficient and Reusable Sorbents for Removing Heavy Metals from Water.

ACS macro letters·2026
Same journal

Topology-Preserving Elastic Deformation Augmentation Enables Robust Defect Detection in Data-Scarce Industrial Imagery.

ACS macro letters·2026
Same journal

Flexible Porous Organic Polymers with α,β-Enone-Linkage via AlCl<sub>3</sub>-Catalyzed Horner-Wadsworth-Emmons Polymerization for Pd Recovery.

ACS macro letters·2026
Same journal

Light-Controlled Topology Switching Enables Continuous Modulation of Thermally Induced Phase Behavior in Polymer Solutions.

ACS macro letters·2026
Same journal

Correction to "Light-Induced Transformation from Covalent to Supramolecular Polymer Networks".

ACS macro letters·2026
See all related articles

Related Experiment Video

Updated: Sep 22, 2025

Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes
13:57

Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes

Published on: December 24, 2014

14.1K

Structure and Strength at Immiscible Polymer Interfaces.

Ting Ge1, Gary S Grest2, Mark O Robbins1

  • 1Department of Physics and Astronomy, Johns Hopkins University, Baltimore, Maryland 21218, United States.

ACS Macro Letters
|May 24, 2022
PubMed
Summary
This summary is machine-generated.

Welding immiscible polymers creates weak interfaces due to limited chain entanglement. A minimum interfacial width is required for sufficient entanglement and strong polymer welds.

More Related Videos

Solvent Bonding for Fabrication of PMMA and COP Microfluidic Devices
04:54

Solvent Bonding for Fabrication of PMMA and COP Microfluidic Devices

Published on: January 17, 2017

16.5K
Investigating Single Molecule Adhesion by Atomic Force Spectroscopy
09:48

Investigating Single Molecule Adhesion by Atomic Force Spectroscopy

Published on: February 27, 2015

10.5K

Related Experiment Videos

Last Updated: Sep 22, 2025

Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes
13:57

Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes

Published on: December 24, 2014

14.1K
Solvent Bonding for Fabrication of PMMA and COP Microfluidic Devices
04:54

Solvent Bonding for Fabrication of PMMA and COP Microfluidic Devices

Published on: January 17, 2017

16.5K
Investigating Single Molecule Adhesion by Atomic Force Spectroscopy
09:48

Investigating Single Molecule Adhesion by Atomic Force Spectroscopy

Published on: February 27, 2015

10.5K

Area of Science:

  • Materials Science
  • Polymer Science
  • Computational Materials Science

Background:

  • Thermal welding is crucial for integrating polymers in devices.
  • Polymer weld strength heavily relies on the miscibility of the polymers being joined.

Purpose of the Study:

  • Investigate the relationship between structure and strength at immiscible polymer interfaces.
  • Understand failure mechanisms in welded immiscible polymer systems.

Main Methods:

  • Large-scale molecular dynamics simulations were employed.
  • Analyzed structure-strength relationships at polymer-polymer interfaces.

Main Results:

  • Immiscibility restricts interdiffusion and narrows the interfacial width.
  • Weak interfaces fail via chain pullout due to insufficient interfacial entanglements.
  • A critical interfacial width is necessary for entanglement formation and interface strengthening.

Conclusions:

  • The limited interfacial width in immiscible polymer welds prevents effective stress transfer.
  • Insufficient cross-interface entanglements are the primary cause of reduced weld strength.
  • Designing for a sufficient interfacial width is key to achieving strong welds between immiscible polymers.