Materiales

 

Materiales

Solid?phase synthesis of grafted carbon black for superior aging resistance in biodegradable poly(butylene adipate?co?butylene terephthalate) composite films
30/10/2024 - Preparation PBAT/CB?UV531 film and proposed models for the depletion of UV531 during long?term UV ageing.Biodegradable films mitigate plastic pollution but often lack UV?aging resistance, shortening...
Biochar as a UV Stabilizer: Its Impact on the Photostability of Poly(butylene succinate) Biocomposites
31/10/2024 - In the present study, biocomposite materials were created by incorporating biochar (BC) at rates of 1, 2.5, and 5 wt.% into a poly(butylene succinate) (PBSu) matrix using a two-stage melt...
A Holistic View of Asphalt Binder Aging under Ultraviolet Conditions: Chemical, Structural, and Rheological Characterization
16/10/2024 - Asphalt, as a key binder material in road construction, is susceptible to ultraviolet (UV) radiation-induced aging, leading to embrittlement and reduced durability. Despite the significance of UV...
Synthesis and Application of New Homobifunctional Reactive Triazine Dyes Containing UV Absorber
22/05/2024 - Two new homobifunctional triazine reactive dyes, derivatives of H acid and anthraquinone, containing a fragment of 4,4?-diaminostilbene-2,2?-disulfonic acid have been synthesized. They and their...
The Aging of Polymers under Electromagnetic Radiation
03/03/2024 - Polymeric materials degrade as they react with environmental conditions such as temperature, light, and humidity. Electromagnetic radiation from the Sun’s ultraviolet rays weakens the...
Innovative HDPE Composites Enriched with UV Stabilizer and Diatomaceous Earth/Zinc Oxide for Enhanced Seafood Packaging and Antimicrobial Properties
30/11/2023 - The fisheries industry encounters distinct packaging challenges, including the need to protect perishable seafood from rapid spoilage caused by UV radiation while allowing for reuse. This study...
Research on Permeation Influencing Factors of Cosmetics UV Filters and Improve In Vitro Permeation Tests (IVPTs)
02/11/2023 - The ideal UV absorber should be safe and should have excellent properties. Therefore, transdermal absorption is essential for the safety risk assessment of sunscreen cosmetics. The Franz diffusion...
Enhancing photostability of poly(vinyl chloride) through additives: diorganotin (iv)-tyrosine complexes design
22/09/2023 - Abstract Poly(vinyl chloride) (PVC) undergoes deformation via decomposition and oxidation when exposed to heat and ultraviolet (UV) radiation. To counteract this degradation and...
Tailoring materials for their need: Sustainable layered double hydroxide polymer composites
25/05/2023 - Layered double hydroxides (LDHs) are popular functional fillers increasingly used in composite materials. They can be designed via metal and anion selection as well as the specific processing method...
Investigation on the Photodegradation Stability of Acrylic Acid-Grafted Poly(butylene carbonate-co-terephthalate)/Organically Modified Layered Zinc Phenylphosphonate Composites
02/03/2023 - The application efficiency of biodegradable polymers used in a natural environment requires improved resistance to ultraviolet (UV) photodegradation. In this report, 1,6-hexanediamine modified...
Determination of PAHs, PAH-Derivatives and Other Concerning Substances in Posidonia oceanica Seagrass and Marine Sediments by High Resolution Mass Spectrometry
07/02/2023 - The Posidonia oceanica decline due to climate change and other anthropogenic pressures, such as chemical pollution, is well known in the scientific community. However, a comprehensive study of the...
Exposure to high-performance benzotriazole ultraviolet stabilizers: Advance in toxicological effects, environmental behaviors and remediation mechanism using in-silica methods
- Benzotriazole ultraviolet stabilizers (BUVSs), as light stabilizers, have attracted widespread attention because of their easy migration in the environment and their acute toxicity and biological...
Quantification of UV protecting additives in ethylene-vinyl acetate copolymer encapsulants for photovoltaic modules with pyrolysis-gas chromatography-mass spectrometry
- Reliability of polymeric encapsulants is being assured using suitable additives. Especially UV absorbers and UV stabilizers are important to protect the encapsulants from solar radiation....
Insights into the toxicities of UV-328, UV-329, UV-P in HepG2 cells and their roles in AHR-mediated pathway
- The widespread high concentrations of benzotriazole ultraviolet stabilizers (BUVSs) in many biotic and abiotic samples have raised urgent concerns of their adverse effects on environmental and...
Effects of UV Absorber on Zirconia Fabricated with Digital Light Processing Additive Manufacturing
07/12/2022 - This study evaluated the effect of UV absorbers on the dimensional accuracy of zirconia specimens fabricated by additive manufacturing using a digital light process. Zirconia suspension for additive...
Photocurable 3D-Printable Systems with Controlled Porosity towards CO2 Air Filtering Applications
02/12/2022 - Porous organic polymers are versatile platforms, easily adaptable to a wide range of applications, from air filtering to energy devices. Their fabrication via vat photopolymerization enables them to...
Human health risk assessment of cinnamate UV absorbers: In vitro and in silico investigations
01/01/2023 - Organic UV absorbers (UVAs) are contaminants of emerging concern. Environmental persistence and potential toxicological enrichment studies of UVAs have attracted international concern. It is...
Study on the Effect of Ultraviolet Absorber UV-531 on the Performance of SBS-Modified Asphalt
16/11/2022 - Asphalt pavements at high altitudes are susceptible to aging and disease under prolonged action of UV light. To improve their anti-ultraviolet aging performance, UV-531/SBS-modified asphalts with...
Benzotriazole ultraviolet stabilizer UV-234 promotes foam cell formation in RAW264.7 macrophages
- Benzotriazole ultraviolet stabilizers (BUVSs) have been reported to induce inflammatory responses which may promote cholesterol accumulation and to downregulate the expression of genes involved in...
Engineered fabrication of EGCG-UV absorber conjugated nano-assemblies for antioxidative sunscreens with broad-band absorption
- Applying sunscreen is a common, convenient, and effective measure to protect skin from ultraviolet (UV) damage, but most of UV absorbers in the present commercially available sunscreens are...
Fabrication of UV-Protective Polyester Fabric with Polysorbate 20 Incorporating Fluorescent Color
16/10/2022 - Technological advancement leads researchers to develop multifunctional materials. Considering such trends, this study aimed to conjugate dual functionality in a single material to satisfy aesthetic...