有关耐火性的最新出版物和专利

.有关耐火性的最新出版物和专利。阻燃性

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这是我们最新精选的全球范围内以英文撰写的关于耐火材料的出版物和专利,这些出版物和专利分布在许多科学在线期刊中,分类并侧重于耐火材料、耐火等级、耐火等级、耐火性、阻火器、防火阀、防火屏障、防火鼠、防火鼠和膨胀涂层。.

Rational Approach for Evaluating Fire Resistance of Prestressed Concrete Beams Strengthened with Fiber-Reinforced Polymers

Published on 2025-10-16 by Venkatesh Kodur, Tejeswar Rayala, Hee Sun Kim @MDPI

Abstract: A rational approach is proposed for evaluating the fire resistance of fiber-reinforced polymers (FRP)-strengthened prestressed concrete (PC) beams. This approach expands on conventional fire design principles for PC beams, while incorporating the effects of FRP reinforcement and fire insulation into strength calculations under fire exposure. Simplified equations are utilized to evaluate the cross-sectional temperature distribution in fire-exposed FRP-strengthened PC beams, considering both insul[...]


Our summary: A rational approach evaluates the fire resistance of FRP-strengthened prestressed concrete beams. Simplified equations assess temperature distribution and strength reductions due to fire exposure. Results indicate that fire insulation significantly enhances load-bearing capacity compared to uninsulated scenarios.

Fire Resistance, Prestressed Concrete, Fiber-Reinforced Polymers, Temperature Distribution

Publication

Formwork and manufacturing method and application thereof

Patent published on the 2025-10-06 in NL under Ref NL2037321B by ANHUI WOLMAN NEW MATERIAL TECH CO LTD [CN] (Baosheng Chen [cn], Chunming Qin [cn], Jianbo Yu [cn])

Abstract: The present invention relates to the technical field of precision investment casting, in particular to a manufacturing method for a formwork. In the present invention, the manufacturing method includes attaching surface layer slurry to a surface of a wax pattern to ensure roughness and fire resistance of the formwork, and then hanging sand on the surface layer slurry to obtain a surface layer formwork; and then, pouring refractory concrete on a surface of the dried surface layer formwork, adheri[...]


Our summary: The invention describes a manufacturing method for formwork used in precision investment casting. It involves applying surface layer slurry to a wax pattern and then adding sand to create a surface layer formwork. Finally, refractory concrete is poured onto the dried formwork to achieve desired strength and fire resistance.

Formwork, Manufacturing Method, Precision Investment Casting, Refractory Concrete

Patent

Inorganic fiber sheet

Patent published on the 2025-08-28 in WO under Ref WO2025177922 by TOMOEGAWA CORP [JP] (Takahashi Hideaki [jp])

Abstract: Provided is an inorganic fiber sheet that has excellent processability and fire resistance. One embodiment of the present invention is an inorganic fiber sheet that includes mineral fibers and an organic binder. In this inorganic fiber sheet, the mineral fiber content in the inorganic fiber sheet is 80.0 mass% or more, the ignition loss of the inorganic fiber sheet is 2.0-10.0 mass%, and the organic binder is adhered in a webbing shape to points of entanglement between the mineral fibers.[...]


Our summary: The invention describes an inorganic fiber sheet with high mineral fiber content and fire resistance. It consists of 80.0 mass% or more mineral fibers and an organic binder. The binder is applied in a webbing shape to enhance entanglement between fibers.

inorganic fiber sheet, fire resistance, mineral fibers, organic binder

Patent

Polyisocyanurate wall thermal insulation system

Patent published on the 2025-08-28 in WO under Ref WO2025178589 by ASSAN PANEL SANAYI VE TICARET ANONIM SIRKETI [TR] (TayŞİ Bayram [tr])

Abstract: The invention relates to a wall thermal insulation system that provides durability, thermal insulation and superior fire resistance performance on building exteriors. In particular, the invention relates to an impact-resistant, long-lasting polyisocyanurate wall thermal insulation system that provides high thermal resistance and unique energy efficiency with low thermal conductivity (lambda) value material content in the walls and partitions of buildings made of light steel profiles.[...]


Our summary: The invention is a durable wall thermal insulation system using polyisocyanurate. It offers superior fire resistance and high thermal resistance. The system is designed for buildings with light steel profiles, ensuring low thermal conductivity.

Polyisocyanurate, thermal insulation, fire resistance, energy efficiency

Patent

Gypsum panel containing an intercalated additive

Patent published on the 2025-08-21 in WO under Ref WO2025174954 by IYER RATNASABAPATHY GURUNATHAN [US] (Yang Xing [us], Iyer Ratnasabapathy Gurunathan [us])

Abstract: The present invention is directed to gypsum panels containing an intercalated additive and a method of making such gypsum panels. In one embodiment, the gypsum panel comprises a gypsum core, a first facing material, and a second facing material. The gypsum panel comprises a fire resistance composition including an intercalated additive.[...]


Our summary: The invention involves gypsum panels with an intercalated additive. It includes a gypsum core and two facing materials. The panels are designed to enhance fire resistance.

gypsum panel, intercalated additive, fire resistance, manufacturing method

Patent

Use of a bonded mineral fibre product for improving fire and punking resistance

Patent published on the 2025-06-25 in EP under Ref EP4574914 by ROCKWOOL AS [DK] (Naerum Lars [dk], Nissen Povl [dk])

Abstract: A bonded mineral fibre product exhibiting high fire resistance in accordance with Class A1 of Standard EN 13501-1 as well as improved punking resistance comprises man-made vitreous fibres (MMVF)) bound by a cured binder composition, the non-cured binder composition comprising(a) a sugar component, and either(b) a polycarboxylic acid component and an alkanolamine, or(c) a reaction product of a polycarboxylic acid component and an alkanolamine, or(d) a combination of (b) and (c),the amount of suga[...]


Our summary: A bonded mineral fibre product offers high fire resistance classified as Class A1 under EN 13501-1. It includes man-made vitreous fibres bound by a cured binder composition. The non-cured binder contains a sugar component and either a polycarboxylic acid component with an alkanolamine or their reaction product.

fire resistance, mineral fibre, punking resistance, binder composition

Patent

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    涵盖的主题: 耐火性、耐火等级、耐火等级、阻火器、防火阀、防火屏障、膨胀涂层、热性能、孔隙率演变、导热性、机械性能、超高性能混凝土、钢筋、基体、强度、防火效率、废物回收和阻燃性。

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