30results about How to "Reduce weight per unit area" patented technology

The invention relates to a broad-spectrum heat isolating and insulating coating compound which is prepared from the following components in percentage by weight: 30 to 40 percent of fluorine modified silicone-acrylate emulsion, 8 to 16 percent of hollow composite ceramic beads, 8 to 15 percent of infrared reflective nano material, 0.5 to 2 percent of molecular bridge modified material and 16 to 20 percent of titanium dioxide. The coating has sunlight radiation function and normal temperature infrared transmission function of a reflective broad-spectrum waveband, can reflect the sunlight radiation of the broad-spectrum waveband, can reflect at least 54 percent of sunlight radiation full-spectrum energy and greatly reduces the absorption of the outer surface of a wall to the sunlight energy; simultaneously, the cooperation of the added hollow composite ceramic beads and other raw materials also converts at least 58 percent of the absorbed sunlight energy into infrared rays to be radiated to the air in an atmospheric window waveband, thereby reducing the indoor heat transfer of the inner surface of the wall.

A spiral-link fabric comprised of connected sets of “chain mail” intertwined spiral coils. Alternating sets of two right-turn spiral coils and two left-turn spiral coils are repeatedly connected to form the body of the fabric. Within each set, the spiral coil loops are intertwined in a pattern which does not require fastening to connect the coils. The alternating sets are connected by interdigitating respective spiral coil loops and inserting a series of parallel pintles extending through the channels formed by the interdigitated loops.

The invention discloses light-weighted thin-type artificial stone and a manufacture method and use thereof. The manufacture method of the artificial stone comprises the following operating steps of: (1) manufacturing a foamed aluminum plate; (2) manufacturing a thinned artificial stone panel with the thickness of 2-20 mm; (3) adhering the thinned artificial stone panel on the surface of the foamed aluminum plate by using an adhesive, and obtaining an artificial stone foamed aluminum composite plate after curing; and (4) machining the artificial stone foamed aluminum composite plate by using cutting equipment, and obtaining the light-weighted thin-type artificial stone. According to the invention, by using the characteristics of light weight, high strength and high rigidity of the foamed aluminum plate, the thickness of the artificial stone panel is greatly thinned, the lightweight of the artificial stone is realized, and the resource consumption is greatly lowered; and meanwhile, the anti-creep capacity and the anti-bending capacity of the artificial stone are greatly enhanced, and the artificial stone simultaneously has the characteristics of sound absorption, sound insulation, flame retarding and heat preservation and heat insulation of the foamed aluminum plate.

The present plate-like fiber base material has fibers and a thermoplastic resin. The fibers are bound by the thermoplastic resin, and the fiber base material includes a plurality of areas that differ in basis weight. The fiber base material may have a cut, and the basis weight of a cut-surrounding area positioned around the cut may be higher than that of an area positioned around the cut-surrounding area. The present interior material has the fiber base material and a surface layer that is disposed on one side of the fiber base material.

The invention provides a preparation method for a solar light reflection aluminum mirror. The method comprises the steps that dry rolling is performed on an aluminum roll substrate to obtain a 80-85% primary mirror surface, and degreasing and oil removal treatment is performed on the primary mirror surface; cleaning and drying are performed to obtain a clean aluminum mirror surface with no aluminum powder dust or oil stains; dry rolling is performed so that the mirror surface degree is 90-95% horizontal; finally, the formed mirror surface is coated with high-transparency fluorocarbon resin coating to form a 10-15-micrometer fluorocarbon protection layer. Due to the bottom pre-coating aluminum mirror dry rolling technology, the mirror surface degree of an aluminum plate reaches the glass mirror surface degree; with the combination of the latest resin protection coating, the aluminum mirror surface is protected so as to reach the ten-year long service life, so that the solar light reflection aluminum mirror replaces a glass mirror surface perfectly, and various problems of the glass mirror surface are solved.

Provided is an absorbent article capable of suppressing back leakage when the wearer is lying on his back. The absorbent article (1) has a first curved portion (41) on the rear side of the center of the wing portion (3) in the front-back direction (L) and on the front side of the rear end edge of the absorbent core along the extending in the width direction (W); and a second curved portion (42) located behind the first curved portion (41) and extending along the width direction (W). The absorbent article (1) has: a first region (R1) adjacent to the first curved portion (41) in front of the first curved portion (41); a second region (R2) adjacent to the second curved portion The rear of (42) is adjacent to the 2nd curved portion (42); and an intermediate region (R3), which is located between the 1st curved portion (41) and the 2nd curved portion (42) in the front-rear direction (L). The basis weight of the absorbent in the middle region (R3) is lower than that of the absorbent in the first region (R1) and lower than that of the absorbent in the second region (R2). The length in the front-rear direction (L) of the middle region (R3) is longer than the thickness of a portion of the absorber (30) adjacent to the first curved portion (41) in the first region (R1).

The invention belongs to the field of building materials, in particular to a cement ceiling board and a preparation method thereof. The cement ceiling board is composed of polypropylene fiber mesh cloth and cement boards, wherein the polypropylene fiber mesh cloth is laid between the cement boards to form a cement ceiling board composed of upper, middle and lower layers. The present invention lays the polypropylene fiber mesh cloth in the middle of the cement board when preparing the cement ceiling board. When the thickness of the prepared cement ceiling board is relatively thin, the cement board can be provided with good flexural strength, and the cement board can be avoided during processing. The board is easily broken, so cement can be used to make ceiling boards, and the prepared ceiling boards are light in weight and easy to process and install.

The invention provides a ceramic chip and a manufacturing method thereof. The ceramic chip comprises a blank body layer, a ground coat layer, a surface glaze layer and a printing layer, wherein the thickness of the ground coat layer is 0.1-0.4mm, and the thickness of the surface glaze layer is 0.05-0.2mm. The manufacturing method of the ceramic chip comprises the following steps of raw material ball-milling and deironing, spray granulation, powder punch forming, bisque firing, ground coat applying, surface glaze applying, printing, secondary glaze firing, and sorting and classifying, wherein the thickness of the ground coat layer formed by the ground coat applying step is 0.1-0.4mm, the thickness of the surface glaze layer formed by the surface glaze applying step is 0.05-0.2mm, and the ground coat applying step and the surface glaze applying step are realized by a glaze spraying manner. A thinner glaze layer can releaseieve a crack defect caused by a blank and glaze matching problem, can also emphasize a stereo line effect of a blank body and can solve a glaze breakage defect caused by overlarge undulation of stereo lines. According to the ceramic chip and the manufacturing method thereof, disclosed by the invention, the blank body has high water absorption and is paved on a high place in a cement mortar adhering manner, so that the safety is ensured, the construction is convenient and quick, the construction period is short and the cost is low.

The invention relates to a heat preservation wall slab for a rear wall of a greenhouse. The heat preservation wall slab adopts a 5-layer structure, wherein the middle layer is a center slab layer that is 5-10 mm in thickness; the two layers above and below the center slab layer are heat preservation layers that are 10-20 mm in thickness; and the two layers above and below the heat preservation layers are antiflaming layers that are 5-10 in thickness. The center slab layer is pressed at one time by using aluminum alloy, wood plastic, aluminum plastic and polyphenyl foam particles; each heat preservation layer is formed in such a manner that two plastic foam slabs are bound together by a binding material layer; and each antiflaming layer consists of magnesium chloride, magnesium oxide, expanded vermiculite, binding agent and emulsifier. The heat preservation wall slab for the rear wall of the greenhouse has the advantages that the manufacturing is simple, the wall is high in strength, the heat preservation effect is good, and the flame resistance is high.

The invention discloses a preparation method for an assembled buckle-typed building block combination energy-saving wall plate, which is characterized in that a front panel and a rear panel are respectively inserted into panel assembly troughs which are arranged at two ends of four side plates, thus leading the front panel, the rear panel and the four side plates to be assembled together to form awhole hollow wall plate frame; subsequently, a pasty middle filling layer is injected into the hollow wall plate frame through small holes on the upper side plate by a tunnel high-pressure pouring method; after the pouring operation is completed, the solidification is carried out on a conveyor belt; subsequently, the filling layer is smoothly arranged and cured for a certain time; subsequently, the finished product is gained after the packaging is completed. The preparation method of the invention has the advantages of being directly used as screen walls, light weight, high strength, good heat preservation and sound insulation effects, good surface decoration effect, waterproofing and dust-proofing, beauty, saving decoration procedure, thus quickening the decoration progress and the construction time.

The invention belongs to the field of building materials, in particular to a cement ceiling board with an electromagnetic shielding function and a semi-dry preparation process thereof. The ceiling board includes a carbon fiber mesh cloth and a cement layer, the carbon fiber mesh cloth is laid between the cement boards, the cement layer includes: material A and solution B; by weight, the material A includes: cement 45-70 parts, 3-7 parts of silica fume, 5-15 parts of fly ash, 0.3-1.5 parts of polyvinylpyrrolidone; the solution B includes: 90-98 parts of water, 1-6 parts of silane coupling agent, four 0.05-0.15 parts of ferric oxide-modified graphene oxide. The present invention is based on the existing problems in the field of cement-based materials used as ceiling boards, and proposes a formula for cement ceiling boards and a semi-dry preparation process compatible with this formula. The weight per unit area of ​​the prepared cement ceiling boards is low, The breaking load is high, and the electromagnetic shielding performance is excellent, which can fully meet the requirements of the ceiling board.

The invention relates to a light-weight and high-strength photovoltaic module and a preparation method thereof. The light-weight and high-strength photovoltaic module includes, from top to bottom, a front glass, a first encapsulation film, a battery string, a second encapsulation film, a polymer reinforcement layer and a photovoltaic backplane; The first encapsulation film, the battery string, the second encapsulation film, the polymer reinforcement layer and the photovoltaic backplane are subjected to high temperature and high pressure vacuum thermoforming to form the photovoltaic module; the polymer reinforcement layer is used to enhance the strength of the photovoltaic module . The invention reduces the thickness of the front glass of the photovoltaic module and adds a light-weight high-strength polymer reinforcement layer in the structure of the photovoltaic module, so as to reduce the weight of the photovoltaic module and at the same time make it have high strength, so that it can be well Meets certification requirements for wind, snow and hail in IEC standards.

The invention discloses a preparation method for an building block combination assembly-typed wall plate, which is characterized in that a front panel and a rear panel are respectively inserted into panel assembly troughs which are arranged at two ends of four side plates, thus leading the front panel, the rear panel and the four side plates to be assembled together to form a whole hollow wall plate frame; subsequently, a pasty middle filling layer is injected into the hollow wall plate frame through small holes on the upper side plate by a tunnel high-pressure pouring method; after the pouring operation is completed, the solidification is carried out on a conveyor belt; subsequently, the filling layer is smoothly arranged and cured for a certain time; subsequently, the finished product isgained after the wall body is cooled and packaging is completed. The preparation method of the invention has the advantages of being directly used as screen walls, light weight, high strength, beingused for brushing, good heat preservation and sound insulation effects, good surface decoration effect, waterproofing and dust-proofing, beauty, saving decoration procedure, thus quickening the decoration progress and the construction time.