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

The invention discloses a high-toughness expanded perlite and phenolic resin composite insulation board, which is prepared from the following raw materials (by weight): 0.8-1 part of iminooxadiazindione, 1.2-1.5 parts of nano-silica, 2.8-3.2 parts of zinc methacrylate, 1-1.5 parts of dicyandiamide, 55-57 parts of expanded perlite, 40-42 parts of phenolic resin, 4-4.1 parts of a curing agent HMTA, 2-2.3 parts of steel fiber, 10-11 parts of tetraethyl orthosilicate, a proper amount of 85wt% ammonia water, a proper amount of anhydrous ethanol, 160-180 parts of deionized water, a proper amount of n-hexane, 4-4.5 parts of nano-polytetrafluoroethylene, 0.1-0.2 part of dicumyl peroxide and 3-3.5 parts of 2,2,2-trifluoroethyl acrylate. By using iminooxadiazindione, nano-silica, zinc methacrylate and dicyandiamide, bonding force of expanded perlite and phenolic resin is boosted, toughness and tensile strength of the insulation board are improved, and heat resistance and ageing resistance of the insulation board are also enhanced.

The invention relates to the field of articles for daily use, in particular to a vacuum cup. The vacuum cup comprises a cup lid, a liner, a casing, a pumping device and an inflation device, wherein a vacuum zone exists between the liner and the casing. During use, the pressure value of the vacuum zone can be adjusted by operating the pumping device and the inflation device, so that the thermal insulation performance of the vacuum cup is changed. The vacuum cup can meet different demands for thermal insulation performance in different seasons and is simple in structure, convenient to use and suitable for mass use.

The invention discloses high-strength-gypsum-based sound insulation and thermal insulation machine spraying mortar, belongs to the technical field of building and ornament materials and preparation, and solves the problem that in the prior art, gypsum-based mortar is not applicable to machine spraying construction. The high-strength-gypsum-based sound insulation and thermal insulation machine spraying mortar is characterized by being prepared from the following components in parts by weight: 800-850 parts of white high-strength gypsum, 30-60 parts of hollow glass beads, 30-60 parts of light glass beads, 60-120 parts of hydrophobic type dispersible latex powder, 3-5 parts of cellulose ether, 2-10 parts of bentonite, 4.0-5.5 parts of gypsum retarder and 900-1,000 parts of water. The gypsum-based mortar has the advantages of high liquidity and high stability, is applied to machine spraying construction, has a good thermal insulation effect after construction, and is high in sound insulation performance and water resistance. The invention correspondingly discloses a preparation method of the high-strength-gypsum-based sound insulation and thermal insulation machine spraying mortar, anda composite thermal insulation layer applying the machine spraying mortar and a construction method of the composite thermal insulation layer.

The invention relates to the field of composite heat insulation walls, and discloses a thin heat insulation composite heat insulation board and cast-in-place concrete composite wall and a construction method. The composite wall comprises a concrete wall body, a plurality of composite heat insulation boards formed by splicing and a facing layer jointly arranged on the sides, away from the concrete wall body, of the plurality of composite heat insulation boards; the concrete wall body and the composite heat insulation boards are connected through connecting pieces; and each connecting piece comprises a connecting plate, wherein the connecting plate is arranged between the concrete wall body and the corresponding composite heat insulation board, an inserting groove is formed in the side, facing the corresponding composite heat insulation board, of the connecting plate, an inserting block is connected to the side, facing the corresponding inserting groove, of the composite heat insulation board, and the inserting block is correspondingly clamped in the inserting groove. The composite wall has the effect of improving the heat insulation performance of the composite heat insulation wall, and the service life of the composite heat insulation wall can be prolonged.

The invention discloses an inorganic composite polyphenyl A level heat-preserving plate. A heat preserving plate body is included, and comprises a common polystyrene plate blank material and a cement-based inorganic fireproof material; the cement-based inorganic fireproof material makes a cement-based inorganic fireproof pulp-shape material uniformly permeate to the position around polystyrene particles and wrap the position around the polystyrene particles, and a honeycomb-shaped supporting framework structure is formed; and the homogenous inorganic composite polyphenyl A level heat-preserving plate is formed due to moisture preserving and maintaining curing in one stage.

The invention relates to the technical field of doors and windows, in particular to a combined type casement window system. The combined type casement window system comprises a secondary frame, a window frame, a middle stile, a window sash and a screen sash; the window frame is fixedly connected with a wall body through the secondary frame, the secondary frame can effectively block the transmission of a hot and cold bridge, and the secondary frame is connected with the window frame through connecting plates and screws; the window frame water blocking wind proof plates are lapped against firmlyor connected with secondary frame water blocking wind proof plates through the screws, and are waterproof and windproof effectively; the internal and external casement window ash is formed by using standard hinges through the middle stile or the window frame; and attaching edges are arranged on the window frame and the middle stile, the window frame is connected with the middle stile through theattaching edges in a buckled mode, the connection strength is effectively ensured, the wind-resistant performance of the window frame is greatly improved. The cross section of the window frame is in an L shape, the cross section of the middle stile is in a T shape so as to be attached with the window frame conveniently, meanwhile, the T shaped cross section of the middle stile can further improvedeflection of profiles, and further improves the wind-resistant performance of the whole window. A gathered composite structure forms the functional integrated combined type casement window system, the applicability is greatly improved.

The invention discloses an expanded perlite and phenolic resin composite insulation board with good heat resistance. The composite insulation board is prepared from the following raw materials (by weight): 1.3-1.6 parts of dilauryl thiodipropionate, 2.6-2.9 parts of ferroceneboronic acid, 1.2-1.4 parts of beta-glucan, 3-3.5 parts of active carbon, 55-57 parts of expanded perlite, 4-4.1 parts of a curing agent HMTA, 2-2.3 parts of steel fiber, 10-11 parts of tetraethyl orthosilicate, a proper amount of 85wt% ammonia water, a proper amount of anhydrous ethanol, 160-180 parts of deionized water, a proper amount of n-hexane, 4-4.5 parts of nano-polytetrafluoroethylene, 0.1-0.2 part of dicumyl peroxide and 3-3.5 parts of 2,2,2-trifluoroethyl acrylate. By using dilauryl thiodipropionate and beta-glucan for modification of active carbon, heat resistance and heat insulating property of the insulation board can be enhanced. By using ferroceneboronic acid, heat resistance of the insulation board is boosted, and reduction of heat insulating property due to water adsorption is prevented.

The invention provides an inorganic silicon crystal plate and a manufacturing method thereof. The inorganic silicon crystal plate comprises the following raw materials in parts by weight: 7-12 parts of flint clay, 16-22 parts of high-purity alumina powder, 32-37 parts of quartz sand, 18-22 parts of high-purity silicon oxide powder, 11-16 parts of zircon sand, 28-34 parts of silica sol and 1-3 parts of boric acid. The inorganic silicon crystal plate is prepared by heating, melting and blowing raw materials including flint clay, high-purity aluminum oxide powder, quartz sand and zircon sand into fibers, spraying and attaching a silica sol composite solution dispersed with the high-purity silicon oxide powder to the surfaces of the fibers, performing mold pressing to form a base plate, and finally performing high-temperature sintering. The obtained inorganic silicon crystal plate is resistant to corrosion, low in deformation, light in weight, high in strength and capable of insulating heat and preserving heat, is an excellent substitute of an existing fireproof heat preservation plate, can be used at the highest temperature of 1500 DEG C, and can meet the application requirements of smoke prevention and exhaust air pipes, building fireproof plates, fireproof door inner materials and the like as a light, high-strength, high-temperature-resistant and fireproof plate.

The invention discloses an anti-seepage high-strength forsterite light heat-insulating brick, which comprises the raw materials of forsterite powder, magnesia powder, fused magnesia-alumina spinel powder and a pore-forming material, wherein the particle size d of the magnesia powder and the forsterite powder is less than or equal to 0.044 mm, the particle size d of the fused magnesia-alumina spinel powder is less than or equal to 0.088 mm, the particle size d of the pore-forming material is less than or equal to 0.3 mm, and the mass ratio of the forsterite powder to the magnesia powder to thefused magnesia-alumina spinel powder to the pore-forming material is (30-42): (8-15): (5-10): (40-60). The preparation method comprises the steps of S1, purchasing raw materials and processing the rawmaterials to required granularity, and adding a pore-forming material and a binding agent into a granulator for granulation; S4, selecting magnesia powder, forsterite powder, fused magnesia-alumina spinel powder and the granular pore-forming material, and putting the materials into a mixing machine for full mixing; S5, ageing the materials, and then putting the aged materials into the mixing machine for secondary mixing; and S6, conducting mechanical pressing forming, and then conducting kiln loading and firing.

The invention relates to the field of building thermal insulation materials, and discloses an inorganic lightweight aggregate insulation board and a preparation method thereof. The insulation board is prepared from the following raw materials in parts by weight: 390 to 410 parts of modified expanded perlite, 90 to 110 parts of Portland cement, 25 to 28 parts of waterproof glue, 1.1 to 1.5 parts of curing powder, 0.3 to 0.5 part of polypropylene fibers and 1 to 2 parts of water, wherein the surface of the modified expanded perlite is coated with a hydrophobic layer, and the hydrophobic layer is externally grafted with alkoxy-terminated silane dendrimers. According to the insulation board, the surface of the expanded perlite is fully covered with the hydrophobic layer, water can be prevented from permeating into internal pores of the expanded perlite, so the thermal insulation performance of the insulation board in a humid environment is prevented from being reduced; and the expanded perlite and the cement form a large number of covalent bonds through alkoxy-terminated silane dendrimers, so the strength of the insulation board is high.

The invention belongs to the technical field of composite materials, and particularly discloses a sand-wood composite material and a preparation method thereof. Phenolic resin, polystyrene, attapulgite, a coupling agent, titanium dioxide, silica sand and the like are matched in a specific proportion for use for the first time, the coupling agent can improve the dispersity of titanium dioxide and silica sand in a system, titanium dioxide and silica sand are prevented from being gathered into a cluster in the system, and the heat preservation performance of the product is improved; meanwhile, the coupling agent can firmly couple titanium dioxide and silica sand into a base material formed by phenolic resin, polystyrene and the like, so that the product is stable in structure and has lastingheat preservation performance; titanium dioxide and the coupling agent are coupled and uniformly dispersed in the whole system, so that the product has waterproof performance, the water absorption phenomenon of the product after long-time use is avoided, the water content of the product is reduced, and the heat preservation durability of the product is improved; and glass fibers can maintain the pore structure of the product, the bonding compactness among all raw materials is improved, and the heat preservation performance of the product is improved.

The invention discloses a heat preservation material for covering and overwintering wine grapes in a low-temperature area and a making method of the heat preservation material. The heat preservation material is formed by connecting four layers of materials, namely polyester filament cloth arranged on the first layer, a non-drop greenhouse film arranged on the second layer, a needle punched felt arranged on the third layer and a foaming material arranged on the fourth layer. The heat preservation effect is achieved through the design of the four layers and the synergistic effect among the materials, moisture is effectively prevented from entering, and heat preservation performance is long in lasting time; mechanized operation of a volume curtain machine can be achieved through rivet clasp design and thread gluing design. According to the heat preservation material, in the production process, a rotary cultivator can be utilized to press edges, and work efficiency is greatly improved.

The invention discloses a moisture-proof and sound-insulating expanded perlite phenolic resin composite insulation board, which is made of the following raw materials in parts by weight: diethyl malonate 0.5-0.6, ethyl acetoacetate 0.4-0.5, polyisocyanate 2-2.4, 3, 5-lutidine 1.2-1.5, expanded perlite 55-57, phenolic resin 40-42, curing agent HMTA4-4.1, steel fiber 2-2.3, tetraethyl orthosilicate 10-11, 85wt% ammonia in proper amount , Appropriate amount of absolute ethanol, deionized water 160-180, appropriate amount of n-hexane, nano-polytetrafluoroethylene 4-4.5, cumene peroxide 0.1-0.2, trifluoroethyl acrylate 3-3.5. The invention modifies the expanded perlite by using diethyl malonate, ethyl acetoacetate, 3,5-lutidine and polyisocyanate, and forms small holes inside the perlite, which improves the moisture-proof and sound-proof insulation of the insulation board performance.

The invention discloses a preparation method of a core-shell type material for heat preservation of drinks. The core-shell type material takes aluminum or magnesium inorganic materials as a core and silicate glass as a shell for wrapping, and can be made into different artistic forms through molds with different shapes. The material can be directly put into hot drinks after being heated, thus greatly prolonging the heat preservation time of the drinks. The material is nontoxic and harmless, does not absorb water, does not dissolve, has no side effects on drinks, and can be recycled.