A resveratrol-based P/Si-containing hyperbranched flame retardant for simultaneously enhancing fire safety and mechanical properties of epoxy thermosets

Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 160240 - 160240

Опубликована: Фев. 1, 2025

Язык: Английский

---

Covalent metal–organic porous polymer on ZIF-67 realize anti-UV and highly stressed flame retardant epoxy composites

Chemical Engineering Journal, Год журнала: 2024, Номер unknown, С. 157758 - 157758

Опубликована: Ноя. 1, 2024

Язык: Английский

---

Construction of flame-retardant and water-resistant polybutylene terephthalate composites by reactive extrusion

Frontiers in Materials, Год журнала: 2025, Номер 12

Опубликована: Янв. 21, 2025

The combination of aluminum diethylphosphinate (ADP) and melamine pyrophosphate (MPP) has been extensively utilized in flame-retardant polybutylene terephthalate (PBT) composites. However, the hydrophilic nature ADP MPP leads to their migration surface or separation from PBT matrix under influence heat moisture, which subsequently results degradation both flame retardancy mechanical properties. In this study, reactive epoxy groups were introduced onto retardant (FR) using a simple method. resulting encapsulated (EP@FR) was then incorporated into via twin-screw extruder. During extrusion process, interacted with free terminal hydroxy carboxy derived PBT, forming covalent bonds at interface FR thereby enhancing water resistance. With addition 16.0 wt% EP@FR, PBT/EP@FR composites achieved UL-94 V-0 rating an LOI value 28.5%. Notably, properties maintained even after immersion 70°C for 14 days. It is expected that work can provide promising strategy development water-resistant

Язык: Английский

---

Mo₂C Supported by Oxidized Carbon Nanotubes for Reinforcing Epoxy Composite

ACS Applied Nano Materials, Год журнала: 2025, Номер unknown

Опубликована: Март 16, 2025

Язык: Английский

---

Development of Shape Memory Epoxy Resin Film With Controllable Response Temperature and Multiple Response Shapes

Journal of Applied Polymer Science, Год журнала: 2025, Номер unknown

Опубликована: Март 21, 2025

ABSTRACT To regulate the mechanical and thermal properties of epoxy resin (Ep) achieve controllability its shape memory response, this work involves physical modification Ep using polyethylene glycol (PEG), leading to development Ep/PEG (EpP) films. As PEG content increases, EpP gradually transitions from rigid flexible. Notably, breaking strain EpP‐30 with 30% increased by 27.19% compared EpP‐0 without PEG. The are also modulated content, glass transition temperature (T g ) decreasing as increases. Specifically, T is reduced 33.44°C EpP‐0. developed exhibits excellent performance, response can be adjusted through content. Furthermore, demonstrates dual triple‐shape functions. In summary, achieves regulation PEG, successfully developing a controllable temperatures capabilities for triple responses.

Язык: Английский

---

Organic-inorganic hybrid functionalized chitosan/ammonium polyphosphate (APP): A synergistic strategy for flame-retardant and high-mechanical-strength epoxy thermosets

International Journal of Biological Macromolecules, Год журнала: 2025, Номер unknown, С. 142579 - 142579

Опубликована: Март 1, 2025

Язык: Английский

---

Preparation and properties of alginate based flame-retardant epoxy resin materials

Journal of Fire Sciences, Год журнала: 2025, Номер unknown

Опубликована: Апрель 30, 2025

Copper alginate (CA) and manganese (MA) were prepared from the polysaccharide biomass sodium alginate, these two alginates introduced to epoxy resin (EP) improve flame retardancy. The limiting oxygen index (LOI), vertical combustion (UL-94), cone calorimetry (CCT), thermogravimetric analysis (TGA) have been employed analyze impacts of on retardancy, thermal stability, char formation characteristics EP. Compared pure EP, when 20 wt% CA or MA was added, LOI increased by 5.6% 6.7%, respectively, no melt drops appeared. Because having catalytic carbonization effects, residual EP composites containing significantly, 5.53% 9.56%, respectively. peak heat release rate (PHRR) total (THR) composite drastically reduced. PHRR is reduced 38.9% 33%, while THR decreased 27% 31%, In addition, smoke production approximately 17% 30%, scanning electron microscope (SEM) tests revealed that had a stronger charcoal-forming ability, their charcoal layers more homogeneous compact microstructures. Briefly, CA, can effectively promote matrix in condensed phase, flame-retardant properties are improved.

Язык: Английский

---

Novel hyperbranched phosphaphenanthrene-terminaled silicon-nitrogen cocuring agent towards high-performance epoxy thermosets

Progress in Organic Coatings, Год журнала: 2024, Номер 197, С. 108828 - 108828

Опубликована: Сен. 24, 2024

Язык: Английский

---

Synthesis of phosphonitrile derivative-modified halloysite flame retardants and their simultaneous enhancement of epoxy resins flame retardancy and mechanical properties

Applied Clay Science, Год журнала: 2024, Номер 263, С. 107629 - 107629

Опубликована: Ноя. 15, 2024

Язык: Английский

---

Hydrogen bond self-assembly strategy to preparation Zeolite@BM for enhancing the fire retardancy of EP

Materials Today Communications, Год журнала: 2024, Номер 41, С. 110644 - 110644

Опубликована: Окт. 9, 2024

Язык: Английский

---