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

Types of Step-Growth Polymers: Polyesters01:20

Types of Step-Growth Polymers: Polyesters

2.5K
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 polymer...
2.5K

You might also read

Related Articles

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

Sort by
Same author

Self-assembly of polyvinylidene fluoride (PVDF) and carbon nanotubes into flexible piezoelectric nanofiber transducers.

Scientific reports·2026
Same author

Visualization of sonication in high-viscosity polymer melts.

Ultrasonics·2026
Same author

Circularity in Polyamide Textiles: Enhancing Recycled Polymer Molar Mass with Carbodiimide Linear Coupling.

ACS omega·2026
Same author

Assessment of IAS and NIAS in Plasma-Treated Biopolymer Films: Implications for Food Packaging Safety and Quality.

Foods (Basel, Switzerland)·2026
Same author

Photoabsorption and Photoionization of Acetaldehyde in the 10.8-21.4 eV Range.

ACS omega·2025
Same author

<sup>1</sup>H Time Domain Nuclear Magnetic Resonance and Oscillatory Rheology as a Tool for Uncovering the Impact of UV-C Radiation on Polypropylene.

Polymers·2025
Same journal

Impact of an Artificial Albumin Corona on Surface Charge-Driven Nano-Bio Interactions and Cytotoxicity of Silver Nanoparticles.

ACS omega·2026
Same journal

Structural and Functional Disruption of Thiopurine S‑Methyltransferase by the A80P Variant: A Simulation and Genotyping Study.

ACS omega·2026
Same journal

CRISPR/Cas12a2-Mediated Ultrasensitive Assay for Rapid Detection of H1N1 Influenza Virus RNA.

ACS omega·2026
Same journal

Photocatalytic Treatment of Real Sugar Industry Wastewater Using Lignocellulosic Biomass-Derived Hydrochar/g-CN.

ACS omega·2026
Same journal

Electrochemical Dopamine Biosensor Based on Plant-Derived Peroxidase Immobilized on Titanate Nanowires.

ACS omega·2026
Same journal

Revealing the Effects of Process Parameters on Structural, Thermal, Mechanical, Biodegradation, and Biocompatibility Properties on the Electrospinning of Poly(vinyl alcohol)/Microbial Inulin Nanofibers.

ACS omega·2026
See all related articles

Related Experiment Video

Updated: Jan 11, 2026

Morphology Control for Fully Printable Organic&#8211;Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer
08:29

Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer

Published on: January 10, 2017

9.4K

Mitigating UV‑C Degradation in Polypropylene Using Hybrid TiO2/Few-Layer Graphene/Photostabilizer Systems.

Jessica C Ferreira Gimenez1,2, Robert Paiva1, Sophia H F Bonatti1

  • 1Department of Chemistry, Exact Sciences and Technology Center (CCET), Federal University of São Carlos (UFSCar), Rodovia Washington Luís, Km 235, SP-310, São Carlos, São Paulo 13565-905, Brazil.

ACS Omega
|November 17, 2025
PubMed
Summary
This summary is machine-generated.

Few-layer graphene (FLG) and Irganox B215 enhance UV-C resistance in polypropylene (PP) by scavenging radicals. Combining FLG with titanium dioxide (TiO2) offers synergistic photoprotection for PP medical devices.

More Related Videos

Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces
08:50

Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces

Published on: September 26, 2014

10.6K
Photopatterning Proteins and Cells in Aqueous Environment Using TiO2 Photocatalysis
10:26

Photopatterning Proteins and Cells in Aqueous Environment Using TiO2 Photocatalysis

Published on: October 26, 2015

8.2K

Related Experiment Videos

Last Updated: Jan 11, 2026

Morphology Control for Fully Printable Organic&#8211;Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer
08:29

Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer

Published on: January 10, 2017

9.4K
Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces
08:50

Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces

Published on: September 26, 2014

10.6K
Photopatterning Proteins and Cells in Aqueous Environment Using TiO2 Photocatalysis
10:26

Photopatterning Proteins and Cells in Aqueous Environment Using TiO2 Photocatalysis

Published on: October 26, 2015

8.2K

Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Photodegradation Studies

Background:

  • Polypropylene (PP) is crucial for medical devices but degrades under UV-C light, impacting material integrity.
  • Existing photostabilizers like titanium dioxide (TiO2) and Irganox B215 have limitations in preventing UV-induced damage.
  • Graphene derivatives, particularly few-layer graphene (FLG), show promise as novel photoprotective agents in polymers.

Purpose of the Study:

  • To assess the efficacy of FLG and Irganox B215 as radical scavengers against UV-C photodegradation in PP.
  • To investigate the combined effects of FLG, Irganox B215, and TiO2 in a photostabilization mixture.
  • To optimize UV-C photostabilization using a Design of Experiments (DoE) approach.

Main Methods:

  • Utilized a Design of Experiments (DoE) approach to determine optimal photostabilizer concentrations.
  • Employed Infrared spectroscopy and rheological measurements to analyze PP photodegradation.
  • Applied Scanning Electron Microscopy (SEM), Energy-Dispersive X-ray Spectroscopy (EDX), and Electron Paramagnetic Resonance (EPR) to evaluate stabilizer dispersion and radical scavenging activity.

Main Results:

  • Electron Paramagnetic Resonance (EPR) confirmed that radical scavengers reduced hydroxyl radical (OH) formation by approximately 30% (FLG) and 25% (Irganox B215) when mixed with TiO2.
  • Despite challenges in dispersion, stabilizers showed good distribution, with FLG exhibiting a synergistic effect with TiO2.
  • Optimal conditions (3% TiO2, 2% FLG) significantly enhanced PP's UV-C photoprotection by reducing chain scission and scavenging reactive oxygen species (ROS).

Conclusions:

  • FLG and Irganox B215 effectively act as radical scavengers, mitigating UV-C induced degradation in polypropylene.
  • The combination of FLG and TiO2 demonstrates a synergistic effect, providing superior photoprotection compared to individual components.
  • This study highlights the potential of FLG as an advanced photostabilizer for enhancing the durability of PP in UV-exposed applications, particularly in medical devices.