Thermal Insulating Concrete for Energy Efficiency

Aerosol-based thermal insulation concrete that combines aerogel particles with hydrophobic aerogel to enhance thermal insulation performance while maintaining mechanical properties. The aerogel particles are modified to improve their hydrophilic properties, allowing them to effectively absorb water without compromising the aerogel's structural integrity. The modified aerogel is incorporated into a conventional foam concrete matrix, resulting in a material with superior thermal insulation properties compared to conventional foamed concrete. The aerogel particles can be precisely controlled in their particle size and composition to optimize performance.

Source

A heat insulation UHPC composition that combines enhanced thermal insulation properties with improved compressive strength. The composition comprises a cement matrix with 24-26 parts of silica fume, 20-60 parts of fine aggregate, and 30-150 parts of silica beads, with a water-cement ratio of 28%. The silica beads are specifically designed with a size range of 4-7 μm to effectively block radiant heat while maintaining sufficient compressive strength. This composition enables both thermal insulation and structural performance in applications requiring both insulation and structural integrity, such as thermal break insulation for buildings with cantilevered structures.

Source

Thermal insulation concrete with enhanced durability and reduced thermal conductivity. The concrete comprises a combination of conventional insulating materials and a specialized phase-forming agent that significantly improves its thermal resistance in extreme cold conditions. The phase-forming agent, comprising a combination of silicon carbide and alumina, forms a dense, porous structure that significantly reduces thermal conductivity compared to conventional insulating materials. The phase-forming agent also enhances the concrete's durability and resistance to thermal shock, making it suitable for critical applications such as pipelines and storage tanks.

Source

A low thermal conductivity sandwich insulation board and phase change concrete wall panel to address thermal bridging and condensation issues in building envelopes. The sandwich insulation board comprises a phase change concrete core sandwiched between two layers of low thermal conductivity polystyrene core. The core layers are connected by longitudinal steel wires that provide structural integrity. The steel wires are fixedly attached to the core layers using FRP fasteners. This design eliminates thermal bridging through the core material and prevents condensation issues common in traditional insulation materials.

Source

Ceramic concrete insulation wallboard with enhanced thermal performance through a novel reinforcement structure. The wallboard comprises a ceramsite concrete layer with a reinforced core, featuring a heat insulation layer at both ends, connected by a thermal bridge. The reinforced core contains a mesh layer with cross-type distribution, which distributes the thermal load across the wallboard. This design provides improved thermal performance through enhanced thermal bridging and structural reinforcement, while maintaining the ceramsite concrete's natural insulation properties.

Source

High-strength thermal insulation concrete with enhanced hydrophobicity and mechanical properties through ceramsite modification. The modification process involves incorporating ceramsite with fluorinated ethylene propylene copolymer and surfactant to improve hydrophobicity and reduce water absorption. This results in a concrete with superior thermal insulation performance and enhanced mechanical properties. The modified ceramsite retains its hydrophobic properties while incorporating the surfactant, which enhances its surface energy and prevents delamination. The fluorinated ethylene propylene copolymer and surfactant combination provides superior hydrophobicity and mechanical performance compared to conventional surfactants.

Source

Concrete material with phase change heat storage function and preparation method for enhanced thermal insulation. The material comprises a controlled mixture of Portland cement, silica fume, fly ash, slag powder, quartz sand, stone, water-reducing agent, polyvinyl alcohol fibers, and graphene oxide, with a specific weight ratio of 146-161 water to cement, 48-56 cement to silica fume, 175-193 fly ash to silica fume, and 57-72 slag powder to silica fume. The mixture undergoes a controlled heating process to produce a phase change material (PCM) with enhanced thermal insulation properties.

Source

Energy-efficient high-strength concrete for building insulation that combines superior thermal insulation properties with enhanced compressive strength. The innovative concrete formulation incorporates expanded perlite, polyvinyl alcohol fibers, and a specially developed foam stabilizer, which significantly reduces thermal conductivity while maintaining superior insulation performance. The formulation achieves optimal balance between thermal insulation and compressive strength through precise blend ratios of raw materials, resulting in a durable and cost-effective solution for building envelope insulation.

Source

Ultra-low thermal conductivity castable for industrial kilns and thermal equipment that provides exceptional heat preservation and insulation while maintaining high thermal conductivity. The castable comprises a combination of ceramsite, perlite, and calcium silicate components with specific particle size distributions, along with a modified fiber comprising brucite and sepiolite composite products. The unique fiber structure enhances thermal conductivity while maintaining low thermal conductivity properties.

Source

Thermally functional concrete block comprising a phase change energy storage material (PCM) as an integral core within a concrete matrix. The PCM is spontaneously impregnated into a porous ceramic carrier, which is then integrated into the concrete structure. This innovative approach eliminates traditional phase change material (PCM) loading while maintaining superior thermal performance, reduced production costs, and enhanced durability compared to conventional PCM-based systems. The porous ceramic carrier provides capillary action, preventing material leakage during phase change, while the concrete support frame enables structural integrity during loading conditions.

Source

Self-insulating concrete for energy-efficient buildings that achieves improved thermal performance through a novel preparation method. The concrete product is prepared using a specific foam generation process that enhances its thermal insulation properties, particularly in its early stages of curing. The preparation method enables industrial-scale production of self-insulating concrete while maintaining its superior thermal performance characteristics.

Source

Alkali-activated fly ash/slag foamed concrete with enhanced thermal performance through a novel geopolymer foaming process. The method utilizes a combination of geopolymer and physical foaming to create a dense, three-dimensional structure with improved thermal conductivity compared to traditional foamed concrete. The geopolymer matrix provides enhanced mechanical properties, while the physical foaming process produces a stable and dense foam structure. This innovative approach enables the production of lightweight, low-thermal conductivity foamed concrete with improved thermal performance.

Source

A method for preparing a thermal insulation lightweight new wall material that enhances its performance through a combination of inorganic thermal insulation mortar and crack-resistant fibers. The method involves preparing a thermal insulation mortar by incorporating inorganic materials such as ceramsite and fibers like glass fibers or carbon fibers. This mortar is then combined with conventional building materials to create a composite material that combines the thermal insulation properties of the inorganic material with the crack-resistant properties of the fibers. The composite material is then cured to form a lightweight wall material with superior thermal performance and enhanced durability.

Source

A novel lightweight building material that combines thermal insulation with enhanced structural performance. The material comprises a unique combination of cementitious components, including a high-performance cement blend with optimized thermal conductivity and mechanical properties, combined with supplementary materials such as low-density aggregates and phase-change materials. The material's thermal insulation properties are achieved through its optimized thermal conductivity profile, while its structural integrity is enhanced through the incorporation of reinforcement elements. This innovative material offers improved thermal performance and reduced weight compared to traditional cement-based wall systems, making it particularly suitable for high-performance building applications where both thermal insulation and structural integrity are critical.

Source

Radiation-proof thermal insulation concrete with enhanced radiation protection and thermal insulation properties. The concrete contains a radiation-resistant surface modification on graphite and barite mixed filler, combined with a magnetic composite powder with porous structure. The magnetic composite powder, comprising iron oxide (Fe3O4) and shell powder, enhances electromagnetic wave absorption while maintaining a large surface area. The radiation-resistant surface modification and magnetic composite powder combination provide superior radiation shielding and thermal insulation performance compared to conventional radiation-proof concrete.

Source

Thermal insulation concrete with enhanced thermal performance and durability. The concrete combines advanced insulation properties with improved durability through the incorporation of specific aggregate and fiber materials. The composition includes cement, expanded perlite, brucite, fly ash, water glass slurry, alkali activator, polyacrylonitrile fibers, polystyrene fibers, aluminum silicate fibers, potassium hexatitanate crystals, and auxiliary agents. The unique combination of these components provides superior thermal insulation while maintaining structural integrity.

Source

A concrete with titanium minerals as an additive improves thermal insulation and load-bearing properties. The concrete contains titanium minerals, specifically ilmenite, in concentrations up to 100% of the total mineral content. This unique composition enhances thermal insulation without compromising structural integrity. The titanium minerals exhibit high thermal conductivity and density, making them an effective additive for radiation protection and load-bearing applications. The resulting concrete can be used as a high-performance insulation material for buildings, walls, and masonry structures, offering superior thermal performance compared to conventional insulation materials.

Source

A phase change energy storage composite foam concrete block that combines the benefits of foam concrete with phase change materials. The block comprises a foam concrete core with a cementitious phase change material (PCM) poured on the inner wall surface. The PCM is a mixture of cement, fly ash, latex, cellulose ether, and fibers, with specific energy storage properties and controlled water content. The PCM is applied to the foam core wall surface, where it is encapsulated by the foam structure, creating a composite material with superior thermal performance characteristics. The foam core maintains its structural integrity while the PCM provides long-term energy storage.

Source

Concrete with enhanced thermal insulation properties achieved through the incorporation of phase change materials (PCMs) into cement-based mortars. The invention introduces a novel method for incorporating PCM into cement mixtures, specifically targeting the development of high-performance concrete for thermal energy management applications. The PCM enhances thermal resistance by storing and releasing latent heat, while the cement matrix provides structural integrity. The optimized mix design enables the creation of concrete with superior thermal performance compared to conventional materials.

Source

Concrete with enhanced thermal insulation properties that replaces traditional protective layers. The phase change material (PCM) is incorporated into the concrete mixture during the manufacturing process, where it melts and impregnates the concrete. This natural drying process eliminates the need for conventional insulation materials. The PCM maintains its insulating properties even after the concrete has hardened, providing continuous thermal protection.

Source