Additives for Enhancing Properties of EPS

Flame retardant nucleating compositions and formulations for polystyrene foam that achieve excellent flame retardancy and recyclability while maintaining foam quality. The compositions contain phosphorus compounds with oxidation state less than 5, which do not melt or soften in polystyrene molds during processing and have a decomposition temperature range of more than 240°C. These compounds, such as aluminum hypophosphite and ammonium salt of 10-hydroxy-9, 10-dihydri-9-oxa-10-phosphaphenanthrene-10-oxide, exhibit dual effects of flame retardancy and nucleation control, enabling the production of polystyrene foams with low density and very low halogen content.

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Halogen-free flame retardant masterbatch for styrene-acrylonitrile copolymer (SAC) based on a modified styrene copolymer, comprising 30-40 parts of modified styrene copolymer, 6-10 parts of flame retardant, and 20-25 parts of a toughening agent.

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Silicone-based anti-foaming agent oil compound that exhibits rapid anti-foaming performance and superior retention, even after repeated use. The compound is produced through ring-opening polymerization of octamethylcyclotetrasiloxane, followed by cross-linking with a polyoxyalkylene group. The resulting polymer exhibits enhanced anti-foaming properties, including fast onset and prolonged retention, making it suitable for industrial applications requiring rapid foam suppression.

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Flame-retardant expandable polystyrene with enhanced mechanical properties and improved flame retardancy, achieved through a novel combination of a specific polyethylene wax with enhanced flame retardant properties and a controlled surfactant system. The wax exhibits high viscosity at 140°C and acid value, while the surfactant system maintains optimal dispersal of the flame retardant, ensuring stable flame retardant performance. The surfactant system also enables controlled foam formation during processing, preventing collapse and deformation. The combination provides improved mechanical properties, flame retardancy, and foam stability compared to conventional flame retardant formulations.

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A flame-retardant expanded polystyrene composite material for storage and transportation boxes that combines enhanced thermal insulation, moisture resistance, and fire safety properties. The material comprises flame retardant smoke suppressant, physical foaming agents, and specific additives that work together to achieve superior performance in fire retardancy, foaming, and corrosion resistance. The material's unique combination of flame retardant smoke suppressant, physical foaming agents, and specific additives enables optimal performance in storage and transportation applications while maintaining the material's structural integrity and dimensional stability.

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A modified expandable polystyrene (EPS) foaming material that combines the benefits of polystyrene with enhanced performance characteristics. The material comprises a blend of modified polystyrene, nucleating agent, and foaming agent, with a specific formulation optimized for high-end packaging applications. The material achieves improved performance, including enhanced sound absorption, shock absorption, heat preservation, and filtration capabilities, while maintaining its characteristic softness. The material is prepared through a single-step extrusion process, enabling cost-effective production while minimizing waste generation. The material contains colorants to achieve a consistent color finish.

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Flame retardant composition for expanded styrene resin, a flame retardant expanded styrenic resin composition, and an extrusion molded product thereof that provides enhanced flame retardancy and heat resistance in expanded styrene foams. The composition comprises zinc-modified hydrotalcite, specifically a zinc-modified hydrotalcite with a specific composition, and a flame retardant additive. The zinc-modified hydrotalcite acts as a base layer, while the flame retardant additive enhances the foam's thermal stability and fire resistance.

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Organic-inorganic hybrid expanded polystyrene particles with enhanced flame retardancy and thermal insulation properties. The particles combine the insulating properties of expanded polystyrene with the flame retardant performance of organic and inorganic materials. The hybrid particles achieve improved flame retardancy through the controlled incorporation of expanded graphite and flame retardant materials, while maintaining the insulating properties of the polystyrene core.

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Expanded polystyrene (EPS) product that degrades within 2-3 years through controlled microbial degradation, enabling rapid recycling and biodegradation. The product is produced by combining polystyrene with a controlled amount of additives, such as zinc ferrite, mixed metal oxide, or zinc stearate, which catalyze the degradation process. The additives are specifically designed to enhance the microbial degradation of EPS while maintaining its structural integrity. The resulting product is both recyclable and biodegradable, offering a significant environmental advantage over traditional EPS products.

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High-strength expandable polystyrene filled resin for insulation applications, comprising modified polystyrene, flame retardants, and foaming agents. The resin combines the thermal insulation properties of expanded polystyrene with the enhanced mechanical strength and flame retardancy of modified polystyrene, achieved through the addition of flame retardants and foaming agents. The formulation provides improved performance characteristics for insulation applications, particularly in high-temperature environments.

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Foamed polystyrene composite material with enhanced tensile creep resistance and flame retardancy, achieved through a novel preparation method. The composite comprises a polystyrene matrix with a specific weight ratio of polypropylene mesh fibers, phenolic resin, rock wool fibers, polytetrafluoroethylene fibers, and a hardening wax-modified polyethylene wax. The composite material demonstrates superior tensile creep resistance and flame retardancy compared to conventional foamed polystyrene composites, while maintaining excellent water resistance and durability.

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Foamable polystyrene for thermal insulation boards with improved thermal conductivity. The foamable polystyrene is prepared through suspension polymerization with low-emissivity additives during the polymerization process. The resulting foamable polystyrene exhibits reduced thermal conductivity compared to conventional polystyrene, enabling enhanced thermal insulation performance in building insulation applications. The foamable polystyrene can be processed into insulation boards through a molding process, achieving high-performance insulation while maintaining cost advantages.

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Polystyrene foam material with improved flame retardancy and thermal insulation properties through a novel composition that enhances the foam's density and mechanical properties while maintaining its thermal performance. The material comprises a modified polystyrene matrix with specific additives, including magnesium oxide, ethyl diethyl phosphate, cyclopentane, and neopentane, which are precisely balanced to achieve the desired properties. The composition is prepared through a controlled process that incorporates these additives into the polystyrene matrix, resulting in a foam material with superior flame retardancy and thermal insulation performance compared to conventional polystyrene foams.

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Flame retardant composition for coating expanded polystyrene to produce a flame-retardant expanded polystyrene foam. The composition combines a flame retardant with a thermosetting resin and a dispersant to achieve uniform flame retardancy across the expanded polystyrene core. The composition also includes a lubricant and a preservative to enhance foam stability. The flame retardant composition is formulated with a specific balance of flame retardant materials, including copper pentachlorophenol, zinc-2-pyridine thiol oxide, and tetrachloro isophthalo nitril, and a dispersant to improve coating dispersion and stability.

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Intrinsic flame-retardant and heat-insulating silicone foam that achieves superior thermal performance without additives. The foam comprises a polymer backbone with a degree of polymerization of 1000-1100, a methoxy group content of 0.8 mol/100g, and a catalyst system. The polymer backbone is reinforced with a methanol-catalyzed silicone oil component, which enhances flame retardancy through its methoxy functional group. The methanol-catalyzed silicone oil component is combined with sodium hydroxide to form a catalyst system that enhances the polymer backbone's thermal stability. This foam provides excellent thermal insulation properties while maintaining flame retardancy through its intrinsic composition.

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A method for preparing high-performance expanded polystyrene insulation with enhanced antibacterial properties and improved thermal insulation performance. The method involves incorporating copper nanocrystal containing a long carboalkenyl group onto the polystyrene backbone during emulsion polymerization, which not only provides antibacterial properties but also enhances the material's mechanical strength and brittleness. This integrated approach enables the creation of polystyrene insulation with superior thermal insulation performance while maintaining its mold resistance.

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Expanded polystyrene foam with enhanced non-combustibility through a novel ceramic nanoporous body that combines flame retardancy with improved thermal insulation properties. The ceramic body, comprising hydrogen adsorbed in a specific nanoporous structure, is applied to polystyrene beads before foam molding. The resulting foam exhibits superior flame retardancy while maintaining thermal insulation performance compared to conventional formulations. The ceramic body enhances the foam's non-combustible properties through its unique adsorption characteristics, while the polystyrene beads provide structural integrity. The combination enables the production of lightweight, flame-resistant expanded polystyrene foam panels that meet stringent safety standards without compromising thermal performance.

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Semi-non-combustible insulation material with enhanced flame retardancy achieved through the controlled incorporation of graphene oxide in expanded polystyrene (EPS) insulation. The material combines the conventional EPS with a precisely formulated additive containing graphene oxide, which is strategically blended with the EPS to achieve optimal flame retardancy. The optimized formulation balances the performance of the graphene oxide with the thermal stability of the EPS, resulting in a material with superior non-combustibility compared to conventional insulation materials.

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A flame-retardant expanded styrene resin composition that combines a bromine-based compound with zinc oxide to achieve high thermal stability and improved flame retardancy. The composition comprises a styrene resin, a bromine compound with tertiary carbon atoms, zinc oxide, and a foaming agent. The bromine compound, such as tetrabromobisphenol A-bis(2,3-dibromo-2-methylpropyl ether), provides excellent thermal stability while the zinc oxide enhances flame retardancy. The composition achieves flame retardancy equivalent to or better than traditional bromine-based compounds while maintaining high thermal stability and recyclability of the styrene-based foam.

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Foamable resin composition with enhanced thermal insulation properties and improved foaming characteristics. The composition comprises a heat insulating material that lowers thermal conductivity of the foam, while a flame retardant compound provides both thermal insulation and flame retardancy. The flame retardant is a carbon-based compound with high thermal stability, enabling effective flame retardancy without compromising foaming properties. The composition is formulated to achieve both thermal insulation and flame retardancy through a single-step process, eliminating the need for separate flame retardant additives.

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