1、Methacryloxy

In certain flame-retardant material fields, MA-POSS can serve as a substitute for commercial VER, achieving excellent flame retardancy through its internal structure without the need for adding external flame retardants, while featuring environmental friendliness and safety.

2、POSS

[0058] A POSS modified flame-retardant low-smoke and low-toxicity vinyl ester resin composition comprises phenolic epoxy vinyl ester resin, curing agent cyclohexanone peroxide, accelerator cobalt naphthenate and flame retardant potassium sulfonate POSS, ladder Type POSS and the mixture of phosphorus-containing POSS, the mass percent of each ...

3、Flame retardant composites of ladder phenyl/vinyl polysilsesquioxane

An unsaturated ladder phenyl/vinyl polysilsesquioxane (PhVPOSS) was synthesized and applied to vinyl ester resin (VER) thermosets. The compatibility, mechanical properties, thermal properties, and combustion behavior of the VER-PhVPOSS composites were further investigated.

含磷氮POSS改性乙烯基树脂的阻燃性和热性能的研究

The cage and half-cage polyhedral silsesquioxane (N/P-POSS) flame retardants containing phosphorus and nitrogen were synthesized by classical kabachnik-fields between polyoxymethylene (POM), γ-aminopropyltriethoxysilane (KH550) and 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO).

Polymer/POSS based robust and emerging flame retardant nanocomposites

Higher safety requirements include efficient flame-retardancy, great persistence, low release of heat, smoke and toxic gases and no considerable change in the overall properties of these polymers.

Flame retardant composites of ladder phenyl/vinyl

An unsaturated ladder phenyl/vinyl polysilsesquioxane (PhVPOSS) was syn-thesized and applied to vinyl ester resin (VER) thermosets. The compatibility, mechanical properties, thermal properties, and combustion behavior of the VER-PhVPOSS composites were further investigated.

Improved mechanical and flame retardant properties of vinyl ester resin

In this work, we used ionic liquid containing phospholipid structures (VIDHP) in combination with lithium-containing polyhedral oligomeric phenyl sesquisiloxanes (Li-POSS) to improve the mechanical and flame retardant properties of VER.

Phosphorus

The results demonstrate significantly improved flame retardancy and toughness, as well as unaffected viscosity and strength of the resin. When the phosphorus content does not exceed 3 wt%, the limiting oxygen index (LOI) of the resin can reach over 30% and UL-94 passes the V-0 rating.

Facile synthesis of acryloxy polyhedral oligomeric silsesquioxane (AC

The final product, an AC-POSS-modified vinyl ester thermoset resin sample, was labeled as VER/10AC-POSS. Similarly, AC-POSS was also incorporated into VER at a concentration of 50 wt%, and the samples were named VER/50AC-POSS.

Polymer/polyhedral oligomeric silsesquioxane (POSS) nanocomposites: An

Polymer/POSS nanocomposites show a great potential to provide materials characterized by improved fire retardancy together with superior physical properties and environmental neutrality.

Abstract Against the backdrop of rapid industrial development and technological innovation, materials science—as a cornerstone of modern societal progress—continues to expand into new frontiers. This paper explores the revolutionary innovation of POSS-modified vinyl flame-retardant low-toxin resin, analyzing its properties and potential applications in detail.

Introduction POSS (Polyhedral Oligomeric Silsesquioxane) is a high-performance thermoplastic engineering plastic renowned for its exceptional mechanical properties, chemical stability, and heat resistance. traditional vinyl resins are limited by their flammability, restricting their use in safety-critical environments requiring fire resistance. Integrating POSS with vinyl resin to develop a novel flame-retardant, low-toxin composite material holds significant promise for expanding material applicability.

Molecular Design and Synthesis The development of this resin begins with molecular structure optimization. By incorporating flame retardants such as aluminum hydroxide or magnesium hydroxide, the additives release water during polymer decomposition, cooling the material and slowing flame spread. Adjusting the ratio of vinyl monomers further controls combustion performance and toxicity.

During synthesis, POSS provides a stable structural framework for vinyl resin, achieving synergistic integration through physical blending or chemical grafting. Preparation methods—including solution polymerization and melt spinning—offer distinct advantages: solution polymerization enables higher molecular weight, while melt spinning refines microstructural uniformity for consistent composites.

Performance Characteristics Testing reveals superior flame retardancy, with an oxygen index far exceeding conventional vinyl resins. The material also produces fewer toxic gases and smoke during combustion. Additionally, it maintains robust mechanical strength and processability, suiting diverse industrial needs.

Applications This resin is widely used in electronics (e.g., device casings, circuit board protective layers), automotive manufacturing (interior components), and building materials. Its combination of flame resistance, durability, and chemical resistance has earned recognition in safety-critical and construction sectors.

Challenges and Future Directions Despite its proven performance, ongoing research must address challenges such as:

• Improving flame-retardant efficiency while reducing costs.
• Optimizing processability for broader applications.
• Enhancing environmental sustainability without compromising properties.

As a groundbreaking high-performance material, POSS-modified vinyl flame-retardant low-toxin resin represents a pivotal advancement in materials science. With continuous technological progress and growing demand, this innovative resin is poised to play a transformative role in future industrial applications.