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

Waterproofing and Anti-Bacterial Admixtures in Concrete01:22

Waterproofing and Anti-Bacterial Admixtures in Concrete

291
Concrete's susceptibility to water absorption is due to the capillary action within the pores of its hydrated cement paste. This action draws water in, creating the need for waterproofing admixtures to prevent such penetration. The efficacy of these admixtures is contingent upon the water pressure, with variations arising from different conditions such as rain, capillary rise, or hydrostatic pressure in structures intended to hold water.
Waterproofing admixtures render concrete hydrophobic,...
291
Effects of Air-entrainment in Concrete01:28

Effects of Air-entrainment in Concrete

491
Air entrainment in concrete significantly enhances the material's durability, especially in environments subjected to freeze-thaw cycles. Introducing small air bubbles into the concrete mix acts as internal voids that accommodate the expansion of water when it freezes, thereby alleviating internal stress and preventing structural cracks. This function is crucial in climates with significant freezing and thawing, as it protects the concrete from repeated stresses that could lead to premature...
491
Accelerated Curing of Concrete01:25

Accelerated Curing of Concrete

581
Accelerating concrete curing is achieved by applying heat and additional moisture. This process accelerates the hydration of the cement, resulting in an earlier strength gain in the concrete. Steam curing is a method wherein the concrete products are either transported through a chamber on a conveyor belt or encased in plastic, allowing steam at atmospheric pressure to circulate freely around them. This process begins with a phase of moist curing that typically lasts between 3 to 5 hours, after...
581
Air-entraining Agents01:27

Air-entraining Agents

348
Air-entraining agents improve the durability and workability of concrete in climates with frequent freezing and thawing. These agents prevent cracks by introducing small air bubbles into the mix, creating spaces accommodating water expansion when temperatures drop. The air-entraining agents lower the surface tension of water, forming stable, small air bubbles. This method is more effective than having accidental large voids, as the intentional, smaller, and evenly distributed air voids improve...
348
Permeability of Concrete01:25

Permeability of Concrete

610
Permeability in the context of concrete refers to how easily liquids or gases can pass through the material. This quality is crucial for assessing the water-tightness and durability of concrete structures and their resistance to chemical attacks. Concrete permeability can be determined through comparative laboratory tests. These tests typically involve sealing a concrete specimen from the sides, applying water pressure to the top surface with pressure, and measuring the amount of water passing...
610
Superplasticizers01:30

Superplasticizers

414
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,...
414

You might also read

Related Articles

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

Sort by
Same author

Surfactant-Free Synthesis of Melon Seed-Like CeO<sub>2</sub> and Ho@CeO<sub>2</sub> Nanostructures with Enriched Oxygen Vacancies: Characterization and Their Enhanced Antibacterial Properties.

ACS omega·2024
Same author

Silicone/Ag@SiO<sub>2</sub> core-shell nanocomposite as a self-cleaning antifouling coating material.

RSC advances·2022
Same author

ABC Triblock Copolymers Antibacterial Materials Consisting of Fluoropolymer and Polyethylene Glycol Antifouling Block and Quaternary Ammonium Salt Sterilization Block.

ACS applied bio materials·2022
Same author

Surface-Adaptive and On-Demand Antibacterial Sponge for Synergistic Rapid Hemostasis and Wound Disinfection.

ACS biomaterials science & engineering·2021
Same author

Multifunctional Antibacterial Materials Comprising Water Dispersible Random Copolymers Containing a Fluorinated Block and Their Application in Catheters.

ACS applied materials & interfaces·2020
Same author

Water-Insoluble Polymeric Guanidine Derivative and Application in the Preparation of Antibacterial Coating of Catheter.

ACS applied materials & interfaces·2018

Related Experiment Video

Updated: Mar 29, 2026

Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight
08:03

Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight

Published on: May 31, 2022

5.7K

Enhancing the Comprehensive Performance and Interfacial Adhesion of Emulsified Asphalt Using an Epoxy-Functionalized

Yifan Liu1, Zhenhao Cao1, Minghao Mu2

  • 1School of Chemistry and Chemical Engineering, University of Jinan, 336 West Road of Nan Xinzhuang, Jinan 250022, China.

Polymers
|March 28, 2026
PubMed
Summary

Epoxy-functionalized waterborne polyurethane modified emulsified asphalt (EFPU-MEA) enhances pavement durability. This advanced material improves asphalt

Keywords:
chemical modificationinterfacial adhesionmodified emulsified asphaltroad performancewaterborne polyurethane

More Related Videos

Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures
07:23

Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures

Published on: November 14, 2025

538
Evaluation of the Curing of Adhesive Systems by Rheological and Thermal Testing
09:06

Evaluation of the Curing of Adhesive Systems by Rheological and Thermal Testing

Published on: July 3, 2020

7.9K

Related Experiment Videos

Last Updated: Mar 29, 2026

Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight
08:03

Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight

Published on: May 31, 2022

5.7K
Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures
07:23

Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures

Published on: November 14, 2025

538
Evaluation of the Curing of Adhesive Systems by Rheological and Thermal Testing
09:06

Evaluation of the Curing of Adhesive Systems by Rheological and Thermal Testing

Published on: July 3, 2020

7.9K

Area of Science:

  • Materials Science
  • Civil Engineering
  • Polymer Chemistry

Background:

  • Conventional emulsified asphalt faces limitations in comprehensive performance and interfacial adhesion.
  • Need for advanced binders to improve pavement durability and extend service life in high-grade highways.

Purpose of the Study:

  • To develop and evaluate an epoxy-functionalized waterborne polyurethane modified emulsified asphalt (EFPU-MEA).
  • To enhance the mechanical properties, interfacial adhesion, and overall engineering durability of emulsified asphalt.

Main Methods:

  • Synthesis of EFPU-MEA using epoxy-functionalized waterborne polyurethane (EFPU) emulsion and isocyanate.
  • Mechanical testing (tensile strength, elongation), interfacial bond durability tests (thermal, low-temperature, chemical, moisture).
  • Optimization of modifier content and spraying quantity via pull-out and shear tests.
  • Microscopic (FM) and spectroscopic (FTIR, SFE) analyses for mechanistic understanding.
  • Road performance evaluation (Marshall stability, wet track abrasion, rutting resistance).

Main Results:

  • EFPU-MEA exhibits balanced flexibility and deformation resistance (1.11 MPa tensile strength, 782.5% elongation).
  • Robust interfacial bond durability against thermal, low-temperature, chemical, and moisture stressors.
  • Optimal modifier content (15-20%) and spraying quantity (1.0 kg/m²) ensure high bond strength post-stress.
  • FM confirms uniform EFPU dispersion; FTIR and SFE indicate increased polarity and adhesion work via crosslinking.
  • Road tests confirm excellent engineering durability and mixture performance.

Conclusions:

  • EFPU-MEA significantly enhances emulsified asphalt performance and aggregate adhesion.
  • The modification provides superior resistance to various environmental and mechanical stressors.
  • Findings support EFPU-MEA as a viable material for extending the service life of highway pavements.