34results about How to "Efficient thermal insulation" patented technology

The invention provides an anti-beating structure suitable for the outer wall of a prefabricated building, which includes a thermal insulation board, a cover layer and an L-shaped embedded part. The L-shaped embedded parts include the intersecting inner arm and outer arm. The length of the outer arm is greater than the thickness of the insulation board. The outer arm is perpendicular to the thickness direction of the insulation board. It is close to the outer wall of the cover layer and connected to the inner arm. One end is facing the inner side of the insulation board, and the free end of the inner arm is facing the center of the insulation board. The insulation board, the cover layer and the L-shaped embedded part are connected as a whole through the connecting piece pierced by the L-shaped embedded part. The insulation board includes 100 parts of inorganic fiber and 1-13 parts of phenolic resin. The present invention proceeds from the two aspects of structural design and research and development of new fire-proof and heat-preservation materials. Through reasonable structure layout, the structure of the anti-beating structure is simple, and the outer wall is convenient to process. Combined with new heat-preservation materials, it greatly improves fire prevention, isolation, and tensile strength. pull performance.

The invention provides a thermosetting aerogel modified polystyrene board, a preparation method thereof and building wall, relates to the technical field of building materials of polystyrene board. The thermosetting aerogel modified polystyrene board is mainly made of expandable polystyrene, thermosetting resin, curing agent and coating material, wherein the coating material comprises flame retardants with specific ratios and silica aerogel, since the silica aerogel has the characteristics of low thermal conductivity, low density, high porosity, good fire resistance and the like, and the silica aerogel is added into a thermosetting aerogel modified polystyrene board, so that the thermosetting aerogel modified polystyrene board also has a lower thermal conductivity, and can achieve the effect of good heat preservation and heat insulation performance under a thinner thickness, and is light in texture; in the same condition as the heat preservation requirement, the thickness of the traditional thermal insulation material is reduced by 50 percent; the thermosetting aerogel modified polystyrene board presents a thermosetting property, the volume is substantially constant when the fire is burning, the volume is not flowing, the fire is self-extinguishing, the fire resistance is excellent, and the fire-resistant A-grade standard can be met.

The present invention provides a new type of integrated fire protection isolation belt for fire protection decoration, which is laid on the building exterior wall (1), corresponding to the height area of ​​the floor slab between floors, and is in the shape of a belt surrounding the wall, extending from the building exterior wall (1) to the The outer layer includes a bonded mortar layer (2) and a fireproof insulation board layer (3) in sequence, and fireproof insulation boards are closely arranged in the fireproof insulation board layer (3), and the fireproof insulation board includes a heat preservation board (31), a cover layer (32) And L-shaped fixture (33), cover layer (32) is a metal plate, and insulation board (31) is the fireproof insulation board that glass fiber and water-soluble phenolic resin prepare. The fireproof isolation board layer in the fireproof isolation belt of the present invention can be prefabricated, which reduces the difficulty of on-site construction. The adhesive mortar layer covers the outer wall in an all-round way, the structure design of the fireproof isolation board and the new insulation board improve the fireproof performance. Compared with the existing The fireproof isolation system of the present invention has the advantages of simple structure, convenient construction, good fireproof and thermal insulation performance, and is beneficial to popularization in the construction field.

The invention relates to the field of sealing assemblies, in particular to a multifunctional sealing assembly and a preparation method thereof. The invention discloses a multifunctional sealing assembly. The sealing assembly is composed of a sealing component and a curing component. The curing component is a curing agent; the sealing component is prepared from the following components comprising,by weight, 30 to 40 parts of mercapto-terminated liquid nitrile rubber, 20 to 50 parts of epoxy resin, 3 to 5 parts of a flame retardant, 3 to 8 parts of an antistatic agent, 3 to 8 parts of a plasticizer, 0.01 to 0.1 part of an anti-ultraviolet agent, 0.05 to 0.5 part of a dispersant, 0.06 to 0.16 part of diethylene glycol monobutyl ether and 0.03 to 0.16 part of 4-amino-3-methylphenol. The invention solves the problem of preventing or reducing the adverse effect of environmental conditions on the reliability of electrical products. The multifunctional sealing assembly disclosed by the invention has flame-retardant and antistatic properties, and is expected to replace traditional fireproof cement gum, inorganic plugging materials and the like with poorer properties.

The invention, belonging to the field of building materials, particularly relates to a lightweight thermal insulation sheet material for building walls. The thermal insulation sheet material comprises the following ingredients: 8.5-10.5 weight portions of fly ash floating bead, 30-38 weight portions of closed cell perlite, 43-52 weight portions of cement, 7-8.5 weight portions of bentonite, 0.04-0.06 weight portions of cellulose ether, 0.07-0.09 weight portions of short fiber, 0.04-0.06 weight portions of wood fiber, and 0.3-0.4 weight portions of gelatine powder. The thermal insulation sheetmaterial is prepared by using organic materials, and has the characteristics of no toxicity, good thermal insulation property, high temperature resistance, low temperature resistance, non-inflammableproperty, high efficiency, and aging resistance. When the thermal insulation sheet material is used for building walls, the thermal insulation property of the sheet material can not be reduced with time, and the sheet material has the same service life with the building.

The invention relates to the technical field of novel functional materials for construction, and more particularly, to a method for preparing a graphene-based lightweight heat-insulating wave-absorbing material. The magnetic nanoparticles are compounded with graphene, and a lightweight composite heat-insulation / wave-absorbing material is prepared through technological processes such as pretreatment, graphene oxide surface modification, graphene oxide aqueous solution preparation, and composite aerogel synthesis. The powder preparation process is simple, the production cost is low, and it is convenient for industrial production. The prepared thermal insulation / wave absorbing material has excellent electromagnetic wave absorption performance in the frequency range of 2 GHz to 18 GHz, and the thermal insulation effect can be comparable to the current general construction field. Polymer foam, a single lightweight material can not only efficiently maintain heat and heat insulation, but also have good electromagnetic wave absorption function, providing material technical support for thermal management of buildings and purification of electromagnetic environment.