Improving the curing and flame retardancy of epoxy resin composites by multifunctional Si-containing cyclophosphazene derivatives

Article Engineering, Environmental

Single-atom platinum or ruthenium on C4N as 2D high-performance electrocatalysts for oxygen reduction reaction

Zhou Yang et al.

Summary: C4N was synthesized from 2,3-diyldiamine phenazine via one-step hydrothermal method and loaded with single-atom metal to form new electrocatalysts, which exhibit better ORR performance compared with commercial Pt/C.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Engineering, Manufacturing

Recent advances in the flame retardancy role of graphene and its derivatives in epoxy resin materials

Quanyi Liu et al.

Summary: Graphene and its derivatives can endow epoxy resin with good flame retardancy properties through the barrier effect of tortuous path, providing a solution to the flammability issue of epoxy resin.

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING (2021)

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Article Chemistry, Multidisciplinary

Hexachlorocyclotriphosphazene Functionalized Graphene Oxide as a Highly Efficient Flame Retardant

Khaled Rhili et al.

Summary: A flame-retardant composite was synthesized using functionalized graphene oxide, showing excellent fire resistance and thermal stability. The investigation of the composite with different concentrations of FGO revealed its potential applications in various fields due to its high flame-retardant capabilities.

ACS OMEGA (2021)

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Article Polymer Science

Benzoxazine Monomers and Polymers Based on 3,3′-Dichloro-4,4′-Diaminodiphenylmethane: Synthesis and Characterization

Viktoria V. Petrakova et al.

Summary: In order to study the effect of chlorine substituents on the properties of benzoxazine and to develop fire-resistant materials, a new benzoxazine monomer was synthesized. The comparison of different benzoxazines revealed that chlorine-containing polybenzoxazines require more severe conditions for polymerization but exhibit better fire resistance, making them suitable for various composite materials.

POLYMERS (2021)

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Article Materials Science, Composites

Multi-performance shape memory epoxy resins and their composites with narrow transition temperature range

Lan Luo et al.

Summary: This study designed and synthesized a series of shape memory epoxy resins with controlled chain segment length by adjusting cross-linking density and stoichiometric ratio, improving the glass transition temperature range and the properties of the composites to meet the requirements in the aerospace field.

COMPOSITES SCIENCE AND TECHNOLOGY (2021)

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Article Polymer Science

Flame retardancy of an intumescent epoxy resin containing cyclotriphosphazene: experimental, computational and statistical studies

Omar Dagdag et al.

Summary: The study evaluated the thermal stability and flame retardancy of HGCP epoxy resin and its composite materials using experimental, computational, and statistical methods. Results showed that adding HGCP could enhance thermal stability and achieve a DGEBA UL-94 V0 rating.

IRANIAN POLYMER JOURNAL (2021)

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Article Polymer Science

A novel aminothiazole-based cyclotriphosphazene derivate towards epoxy resins for high flame retardancy and smoke suppression

Kai Ning et al.

Summary: This study successfully prepared a novel aminothiazole-based cyclotriphosphazene derivative, which was added as a flame retardant in epoxy resin, effectively reducing the fire hazards. The retardant altered the thermal decomposition properties and dynamic thermomechanical behaviors of EP, and achieved good flame retardant effects in fire testing.

POLYMER DEGRADATION AND STABILITY (2021)

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Article Polymer Science

Reaction Mechanism and Mechanical Property Improvement of Poly(Lactic Acid) Reactive Blending with Epoxy Resin

Krittameth Kiatiporntipthak et al.

Summary: The study demonstrated that the mechanical and thermal properties of polylactic acid (PLA) can be improved by adding different amounts of epoxy resin, forming an effective interfacial crosslinking that enhances the overall performance of the blends.

POLYMERS (2021)

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Article Chemistry, Multidisciplinary

Biobased Phosphorus Siloxane-Containing Polyurethane Foam with Flame-Retardant and Smoke-Suppressant Performances

Shibo Wang et al.

Summary: The novel flame retardant FPASO-DOPO enhances the flame retardancy of rigid polyurethane foam by reducing smoke release through the synergistic effect of phosphorus and silicon. The modified foam not only increased the limiting oxygen index and reduced total smoke release, but also exhibited good flame retardancy.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

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Article Materials Science, Multidisciplinary