36results about How to "Improve thermal insulation properties" patented technology

A spacer profile for a spacer frame to be mounted in an insulating window unit by forming a space between the panes, with a chamber for receiving hygroscopic materials and with at least one contact web to lie against the inner side of a pane, which is connected via a bridge section with the chamber, is characterized i that the profile corpus of the spacer profile consists of an elastically-plastically deformable material with poor heat conductivity, and that at least the contact webs are permanently materially connected with a plastically deformable reinforcement layer.

Fabrics and garments may include “dimensionalized” structures. The fabric may be “dimensionalized” by integrally forming a plurality of self-standing fabric surface modifying elements in the fabric material to thereby provide a fabric contact level different from (and/or reduced in surface area as compared to) the fabric base level. Garments may include this “dimensionalized” material, e.g., positioned at various locations to promote better evaporative cooling of the body or heat retention, such as along the wearer's spine, sides, and/or other locations that release substantial heat. The “dimensionalizing” structure may be formed in the material, for example, by molding, rolling, embossing, calendering, stretching, crimping, pressing, heating, and/or the like.

This invention relates to a lightweight housing module comprising at least one stretched fabric intended to form the roof of said module and fixed along its lower edge on a rigid frame maintained at a distance from the ground by a plurality of lateral posts, remarkable in that it comprises vertical panels and/or opening frames in order to close in a substantially sealed manner its vertical facades and a false ceiling arranged in order to be arranged under said fabric inside said lightweight housing module and fixed to the frame. This invention also relates to a modular building remarkable in that it comprises a plurality of lightweight housing modules, according to the invention, arranged next to one another, and a system for sealing between the adjacent lightweight housing modules. This invention also relates to their method of assembly.

The invention discloses a hydrophobic thermal insulation paper, comprising: a base material layer; silicon dioxide nanoporous airgel is attached to the base material layer, the base material layer adopts inorganic fiber paper, and the The silicon nanoporous airgel has a specific surface of 400g/m2-800g/m2, a density of 0.015g/cm3-0.20g/cm3, a porosity of 80%-95%, and a pore size of 30nm-100nm. In the present invention, silica airgel with a nano-network pore structure is compounded on inorganic fiber paper to form thermal insulation paper, which not only retains the original characteristics of high temperature resistance and non-combustibility, but also greatly reduces the overall thermal conductivity, significantly Improved thermal insulation properties. In addition, silica airgel has good hydrophobic properties, thus further expanding the advantages of the material, and greatly improving its application value and application range. The product of the invention has the advantages of high temperature resistance, no burning in case of fire, good hydrophobicity, low thermal conductivity, etc., and excellent thermal insulation effect.

The invention discloses an aluminium silicate nano composite insulation coating and a preparation method thereof. The composite insulation coating comprises the following components of 10 to 40% of nano aluminium silicate, 15 to 30% of vinegar acrylic emulsion or acrylic emulsion, 30 to 50% of water, 2 to 6% of nano silicon dioxide, 2 to 6% of nano aluminum oxide, 2 to 5% of nano zinc oxide, 2 to 5% of nano titanium oxide or titanium white, 0.1 to 2% of film forming assistant, 0.1 to 2% of defoaming agent, 0.1 to 2% of wet dispersing agent, 0.5 to 2% of antifreeze and 0.1 to 2% of flatting agent. The preparation method comprises the following steps of stirring the water, the nano aluminium silicate, the wet dispersing agent and a half of the defoaming agent at high speed in a low speed stirring mode to be fully dispersed; adding other inorganic nano powder in the course of stirring; stirring on a multi-function disperser at high speed; slowly adding the emulsion at low stirring speed; adding the rest defoaming agent, the film forming assistant, the antifreeze and the flatting agent to be stirred at low speed; and finally canning to prepare the finished coating product. The invention can ensure that the surface of building materials is coated with a layer of coating of the thickness lower than 1mm; the heat conductivity coefficient of the building materials coated with the coating is reduced by 0.07 W/m.K when the temperature is 100 DEG C relative to the building materials without the coating.

The invention discloses an optical cable with a high-hardness protective layer. The optical cable comprises a loose bushing, a protective layer arranged outside the loose bushing, an internal protective layer arranged outside the protective layer and an external sheath arranged outside the internal protective layer. The loose bushing is internally provided with at least one optical fiber. The high-hardness protective layer is arranged between the internal protective layer and the external sheath. The high-hardness protective layer is composed of raw materials with the following parts by weight: 25-30 parts of organic silicone rubber, 5-10 parts of high molecular weight polyisobutylene; 5-10 parts of medium molecular weight polyisobutylene; 10-15 parts of low molecular weight polyisobutylene; 10-15 parts of inorganic filling material; 0.5-1 part of anti-oxidant; 70-80 parts of ultrafine steel fiber; 70-80 parts of glass fiber; 5-10 parts of silicate; 10-20 parts of fine sand of which the diameter is 0.1mm-0.25mm; 10-20 parts of epoxy resin; 10-20 parts of aluminum hydroxide; and 10-20 parts of hot-melt adhesive.

The invention discloses a power transmission optical cable. The power transmission optical cable comprises a filling layer provided with an optical fiber assembly and electrical lines which are arranged in the filling layer; the filling layer is coated with an isolation layer; the isolation layer is covered with a PE outer sheath; the optical fiber assembly includes a loose bushing; a fiber paste layer is arranged in the loose bushing; and optical fibers of which the surfaces are coated with an optical fiber surface coating adhesive are arranged in the fiber paste layer. The optical fiber surface coating adhesive is composed of the following raw materials in parts by weight: 25 to 30 parts of organic silicone rubber; 5 to 10 parts of high-molecular weight polyisobutylene; 5 to 10 parts of medium-molecular weight polyisobutylene, 10 to 15 parts of low-molecular weight polyisobutylene; 10 to 15 parts of inorganic filler; 0.5 to 1 part of antioxidant; 5 to 10 parts of glass fibers; and 5 to 10 parts of silicate.

The invention discloses a refrigeration device (1) and a storage container (2) of the device. The storage container (2) comprises a heat insulation shell (20) which is provided with a storage space (21), and the storage container (2) is provided with cooling units (22 and 22') used for cooling the storage space (21). When the storage container (2) is arranged outside the refrigeration device (1), the cooling units (22 and 22') perform cooling heat preservation on the storage space (21), the shell (20) isolates heat exchange between the exterior environment and the storage space (21), low-temperature environment of the storage space (21) is maintained, and long-time freshness of food is maintained. Compared with the manner that food is stored in the refrigeration device (1), the container has the beneficial effects that the storage container (2) is used, a user can quite conveniently store and use food outside the refrigeration device (1), particularly for the instant food such as cold dish, salad, sashimi and the like, the low-temperature state of the food can be maintained only on the dining table, and the user can eat quite conveniently.

The invention discloses a preparation method of a heat insulation wallpaper. The method includes the steps that 1, cyclohexanone, a dispersing agent, polyvinyl chloride, chloroform, acrylic resin, wood powder, a thickening agent and talcum powder are mixed to prepare a heat insulation coating; 2, paper is subjected to preheating treatment; 3, the heat insulation coating is applied to the paper after preheating treatment, and heating and embossing are performed to prepare the heat insulation wallpaper, wherein the weight-average molecular weight of the polyvinyl chloride is 60,000-90,000, and the average particle size of the wood powder and the talcum powder is 50-80 microns. The heat insulation wallpaper prepared by adopting the method has the characteristics of abrasion resistance and can be used for a long time.

The present invention discloses an optical fiber surface coating adhesive preparation method which comprises the following steps: S1. kneading, to be more specific, high molecular weight polyisobutylene, organic silicon rubber, medium molecular weight polyisobutylene, low molecular weight polyisobutylene, an antioxidant, glass fibers and silicates are added in a rubber kneading machine for kneading, the kneading time is 30 to 50 minutes, the temperature is 120-160 DEG C; S2. mixing, to be more specific, after the completion of the kneading, an inorganic filler is added for mixing, the mixing time is 30 to 50 minutes, the temperature is 120-160 DEG C, the mixing speed is 200-280rpm; S3. extrusion, the mixed plastic material is extruded into a rubber extruder through a discharging screw, then is extruded from the rubber extruder to coat the optical fiber surface, wherein the extruder machine barrel temperature is 100-150 DEG C, and the machine head temperature is 120-140 DEG C.

The invention discloses a manufacturing method of a fireproof material for combining a wood material with aerogel. The manufacturing method comprises the following steps: (A) an acid accelerant is added in mixed solution of a precursor and an organic solvent for hydrosis reaction to form aerogel solution; (B) alkali accelerant water solution is added in the aerogel solution for condensation reaction to form aerogel water solution; (C) the wood material is dipped in the aerogel water solution for gelation to generate the aerogel to coat the wood material; and (D) the wood material is dried to mold the fireproof material. The invention further discloses the fireproof material for combining the wood material with the aerogel, which is manufactured by using the steps. The fireproof material can achieve excellent fireproof effect, and can pass through a combustion lowest-oxygen-content test.

The invention relates to a method for sintering building spoil into foamed ceramic. The method comprises the following steps: (1) collecting the building spoil, and treating the building spoil so as to prepare sintered aggregate; (2) preparing materials according to the following formula: 70-80 parts of the sintered aggregate, 5-7 parts of an animal foaming agent, 5-7 parts of bentonite, 5-7 partsof glass fragments and 20-60 parts of water; (3) putting the components in the step (2) into a ball mill for ball milling, adding water for pugging, injecting an obtained material into a mold, carrying out pressure molding, and carrying out demolding so as to obtain a green body; and (4) drying the green body so as to obtain a dried green body, then placing the dried green body into a muffle furnace, and carrying out sintering so as to prepare the foamed ceramic. Compared with the prior art, the method provided by the invention has the following advantages: the building spoil which is difficult to be utilized is treated and compounded, so the building spoil can be used as a raw material for sintering the foamed ceramic; meanwhile, the performance of traditional foamed ceramic is improved.

The invention provides a preparation method of functional group modified aerogel particles for spinning and fiber spinning. The functional group modified aerogel particles are prepared by the following steps: (1) mixing, (2) hydrolyzing, (3) condensing and dispersing, (4) further modifying surface functional groups, and (5) evaporating and drying a solvent. The surface functional group modified aerogel powder can be continuously produced or produced in batches, the manufacturing process is simple and convenient, and the manufacturing speed is high. According to the invention, the excellent acting force formed between the functional group modified aerogel powder and various plastics can be obviously improved, the composite mixing efficiency between the aerogel and the plastics is improved, and the dispersion of the functional group modified aerogel powder in the plastics is improved, so that the functionality of the aerogel composite material and the spinnability of subsequent fiber spinning are improved; the product can improve the special functions of heat insulation, cold resistance, light weight, fire resistance, molten drop resistance and the like of the plastic composite material and the spinning fiber.

The invention discloses a manufacture method of a fireproof material prepared from organic foam combined with aerogel. The method comprises the following steps: A, adding an acid accelerant into a mixed solution of a precursor and an organic solvent, so as to ensure that the mixed solution is subjected to hydrolysis reaction to form an anhydrous aerogel solution; B, adding an alkali accelerant aqueous solution into the anhydrous aerogel solution, so as to ensure that the anhydrous aerogel solution is subjected to condensation reaction to form an aerogel solution; C, soaking organic foam into the aerogel solution, producing aerogel through gelatinization, and combining the aerogel with the organic foam to form a stereochemical network structure; D, drying the organic foam to form a fireproof material. The invention further discloses a fireproof material prepared from organic foam combined with aerogel, which is manufactured through the steps. The fireproof material has an excellent fireproof effect, and passes a combustion minimum oxygen content test.

The invention relates to a heat-insulating cover for a stove. The heat-insulating cover comprises an annular cover body, and is characterized in that the cover body is of a double-layer structure composed of an upper-layer cover and a lower-layer cover, a hollow cavity is formed between the upper-layer cover and the lower-layer cover, a separating piece is further arranged in the hollow cavity, and the edge of the periphery of the separating piece abuts against the inner wall of the hollow cavity so as to divide the hollow cavity into at least two sub-hollow cavities. Compared with the prior art, the heat-insulating cover for the stove has the advantages that the heat-insulating cover for the stove is additionally arranged on the basis of an existing gas stove, the heat-insulating cover isof the double-layer structure and is provided with the hollow cavity, the separating piece is further arranged in the hollow cavity, so that the hollow cavity of the heat-insulating cover is dividedinto the plurality of sub-hollow cavities with relatively independent closed spaces so as to effectively reduce convection heat exchange of air in the hollow cavity and further reduce convection heatexchange of air in the hollow cavity and air outside the hollow cavity, the invention further discloses the stove applying the heat-insulating cover, secondary air supplementing grooves of the cover body can be arranged aligned with secondary air inlets of a gas mixing chamber of a combustor one by one so that secondary air can be effectively supplemented.