1074 results about "Fiberglass mesh" patented technology

Bonded abrasive tools, e.g., grinding wheels, can be reinforced using, for instance, one or more fibreglass web(s) having a surface of glass per unit of at least 0.2. Alternatively or in addition, the fibreglass web has a thickness of 2 mm or less. The web can be designed to provide improved adhesion between the fibreglass reinforcement and the mixture employed to form the bonded abrasive tool. In some examples, the middle reinforcement at the neutral zone of the wheel can be eliminated or minimized.

This invention relates to a continuous process for producing a web of thin, chemically hardened glass that can be wound on a roll. The process comprises the steps of (i) drawing glass, containing original alkali ions, to form a web of glass having a thickness equal to or lower than 1.2 mm and having a first and second major surface; (ii) directly after or during said drawing, treating both said surfaces of said web with chemical hardening means during less than two hours, replacing said original alkali ions by alkali ions having a larger radius; and (iii) after treating both said surfaces, winding said web on a core.

The invention relates to architectural and decorative materials, in particular to a glass-magnesium plate comprising a forming agent, a reinforcement material, a light filler, a modifier and water, wherein the forming agent is magnesia, magnesium sulfate and magnesium chloride, the reinforcement material is a glass fibre grid fabric or other reinforcement materials, and the modifier comprises a whitening agent, a stabilizing agent and a toner. Compared with the prior art, the invention achieves the aims of stabilizing chlorine ions and preventing the moisture absorption and the halogen return of the glass-magnesium plate by lowering the content of the magnesium chloride and combining the stabilizing agent, also enhances the comprehensive performance of the glass-magnesium plate greatly under the combined action of the forming agent, the reinforcement material, the light filler, the whitening agent, the stabilizing agent and the toner and enables the glass-magnesium plate to reach or exceed the national or industrial standard requirement simultaneously in the aspects of folding strength, impact strength, drying shrinkage, bulking factor, screw holding capability, incombustibility and the like, so that the invention enhances the application range of the glass-magnesium plate greatly and can be widely used for the basal plate of plate materials, such as a grouting plate, a fire-proof plate, a ceiling plate, a decorative plate, a sound-absorbing plate, a partition plate and the like.

A filter medium, a tackified binder composition and a method for providing a uniformly distributed tackifier on the glass fibers of an unwoven fiberglass web for improving filtration capacity and efficiency. An emulsified tackifier, such as polybutene, is mixed with a conventional binder composition and applied to the fibers before they are expanded into the web. The binder is cured in the conventional manner and the tackifier migrates to the surface on each fiber to enhance particle adsorption.

A cementitious board system which is reinforced on its opposed surfaces by an improved glass fiber mesh scrim with thicker yarn and larger mesh openings to provide a cementitious board with improved handling properties while retaining tensile strength and long term durability. The fabric is constructed as a mesh of high modulus strands of bundled glass fibers encapsulated by alkali and water resistant material, e.g. a thermoplastic material. The composite fabric also has suitable physical characteristics for embedment within the cement matrix of the panels or boards closely adjacent the opposed faces thereof. The fabric provides a board system with long-lasting, high strength tensile reinforcement and improved handling properties regardless of their spatial orientation during handling. Included as part of the invention are methods for making the reinforced board.

A light concrete wall slab cast in-situ is composed of main body and welded reinforcing steel bar net in said main body. Said main body is made up of water, cement, powdered coal ash, slag powder, silicon powder, efficient composite water-reducing agent, polypropylene fibres, glass fibre fabric or alkali-resistant plastic-coated glass staple, modified cement polymer emulsion (or powder), haydite, and sand. Its advantages are light weight, high strength, low shrinkage, not deforming and cracking, and low cost.

The invention relates to a light-burned dolomite foam light partition board, which comprises the following components in part by weight: 20 to 55 parts of light-burned dolomite powder, 30 to 85 parts of conditioner solution, 0.1 to 5 parts of chopped fibers, 0.01 to 8 parts of gas regulator, 0.01 to 8 parts of water-resistant admixture, 1 to 60 parts of industrial waste residues, 1 to 30 parts of thickener, 1 to 35 parts of lightweight aggregate, 1 to 16 layers of glass fiber mesh fabrics and 0.1 to 1 part of water reducing agent. The foam light partition board has the advantages of no steam curing or autoclave curing, normal temperature quick reaction and curing, high strength and water resistance, no moisture absorption or halogenation, no scumming, freezing resistance, sound insulation, thermal insulation, heat preservation, flame retardance, utilization of a large number of industrial waste residues and agricultural wastes, resource and energy saving, no emission of waste gas, waste water and waste residues (three wastes), and the like, has low production cost and good social and economic benefits, and is mainly used for a non load bearing partition.

An electrode with large active surface area is made by winding a Ti-fiber tow around a rectangular Ti-plate, and an electrocatalytic coating of three layers is applied. A precoat comprising a mixture of iridium dioxide and tantalum pentoxide is applied first, using a solution of the corresponding chloride salts in hydrochloric acid with some nitric acid added to inhibit corrosion of the metal. A sealing coat is then applied, comprising tin dioxide doped with antimony, in order to improve adhesion of the final oxide coat to the precoat. The third and final coat comprises particles of titanium dioxide doped with niobium in the +4 oxidation cemented with titanium dioxide that is doped with antimony. Anodes of this description are preferably assembled together with corrosion resistant cathodes in an alternating sequence, with a plastic coated fiber glass mesh placed between the anodes and cathodes to prevent short circuiting. When a sufficiently large voltage is applied across the cell, organic substances dissolved in the electrolyte will be oxidized.

The invention discloses a resin bendable grinding wheel and a preparation method and a device thereof. The resin bendable grinding wheel consists of brown aluminium oxide, calcined alumina, white alundum, black silicon carbide, phenolic resin powder, phenolic resin liquid, cryolite, barium sulphate, pyretic, iron oxide red, Hunori gel, alkali-free high tensile glass fiber mesh and non-woven black cloth. Compared with the prior art, through the optimization configuration on the aspect of the material selection and working procedures, the strength, the flexibility and the aging resistance of the grinding wheel are greatly improved, and at the same time, the resource and the energy are saved; and the strength of the grinding wheel is more than 80m/s, the grinding ratio is more than or equal to 1:15, the maximum bendable angle can reach 40 degrees, the tensile strength is greatly improved, the service life is prolonged by two times, the energy consumption is reduced by 5 to 10 percent, and the yield of the finished product can reach more than 99 percent.

The invention discloses a chlorine magnesium cement compound foaming insulation board and a preparation method thereof. The chlorine magnesium cement compound foaming insulation board is made from the following raw materials: magnesium oxide, magnesium chloride, water, coal ash, water-retaining agent, water repellent, modifying agent, fiber, polyphenyl granules and foaming agent. The preparation method comprises the following steps of pouring the magnesium oxide, the coal ash, the water-retaining agent, the water repellent and the fiber into a mixer to form a dry powder material; adding the magnesium chloride and the modifying agent into water to form a liquid material, and adding the dry powder material into the liquid material to form a mixture; pouring the polyphenyl granules into the mixture, mixing until mixture liquid wraps up the polyphenyl granules evenly so as to obtain a paste; adding the foaming agent to manufacture a foam paste; pouring the foam paste into a mould, wherein glass fiber grid cloth is paved at the bottom of the mould; after the mould is filled, paving a layer of glass fiber grid cloth on the upper layer of the foam paste, pressing and moulding the foam paste; and finally hardening, form stripping and maintaining. The chlorine magnesium cement compound foaming insulation board disclosed by the invention has the characteristics of lighter weight, heat insulation, durability, fire resistance and environment protection, and also has excellent mechanical properties.

A building façade system adapted to be installed onto an exposed surface of a building and provide a substrate for installation of façade elements (e.g., stone, stucco and the like). The system preferably provides a corrosion-resistant structure adapted to withstand extended environmental exposure. In general, the system includes a highly porous three dimensional matrix filamentous polymeric mat and a fiberglass mesh layer associated therewith. Collectively, the polymeric mat and fiberglass mesh layer are adapted to be installed onto an exposed building wall and provide a substrate onto which desired façade elements may be installed.

The invention provides PVDC copolymer emulsion. The copolymer emulsion is formed by mixture monomers and accessory ingredients through copolymerizing. The mixture monomer contains 65 percent to 82 percent of vinylidene chloride, 15 percent to 35 percent of unsaturated fatty acid ester monomer, 3 percent to 8 percent of unsaturated fatty acid and 0.001 percent to 2 percent of perfluoro-unsaturated fatty acid C3 to C6 ester monomer. The copolymer emulsion also contains the three-layer structural particles, the core-shell particles of which are all VDC/MMA/BA: the core layer is 20 percent to 84 percent of VDC and 16 percent and 80 percent of comonomer; the middle layer is 80 percent of VDC and 18 percent and 20 percent of comonomer; the outmost layer is 30 percent to 80 percent of VDC, 20 percent and 60 percent of comonomer and trace amount of C3 to C6 perfluoroester. The ratio of each layer is 5 to 30:25 to 70:15 to 30. The invention also provides a preparation method of the copolymer emulsion and an application of the copolymer emulsion in fields of fiberglass mesh fabrics, sponges, paper packaging materials, textiles and the like which use impregnating technical coating.

The invention discloses an external thermal insulation system with low-thermal-conductivity and high-strength mortar. The external thermal insulation system comprises interface mortar, heat insulation mortar, anti-crack plastering mortar, alkali-resistant fiberglass mesh, flexible waterproof putty and modified epoxy resin. The system adopts onsite plastering type cavity-free external thermal insulation procedures, and a face layer adopts a flexible gradient material matching system. The system has the advantages of high wind pressure resistance, weather resistance, integral crack resistance, fire rating, impact resistance, thermal storage capacity, air permeability and dimensional stability, small contraction, excellent heat insulation performance and the like. Further, the external thermal insulation system is simple in construction process, can be moulded optionally, and is especially applicable to buildings rich in building elevation and available for direct construction on base layers poor in evenness.

The invention relates to a building material as well as the manufacturing method thereof, in particular to a glass fiber reinforced gypsum board as well as the manufacturing method thereof. The glass fiber reinforced gypsum board comprises the components by weight parts as follows: 100 parts of high strength gypsum powder, 5 or more than 5 parts of glass fiber choppedstrand mat and glass fiber lattice cloth, (0.2 to 0.5) percent of water reducing agent, (0.1 to 0.5) percent of retarder and 30 to 33 parts of water. The manufacturing method comprises the following steps in sequence: batching, slurry-mixing, mould-entering and casting, finished-product knockout, dehydration and drying as well as shaping and cleaning. The glass fiber reinforced gypsum board has the advantages that the distortion is small, the dry/wet shrinkage rate is low, the strength is high, the weight is light, no odor exists, the board can be degraded for regeneration and utilization, the acoustic effect is good, the material surface is fine and clean, the reinforced gypsum board also has fireproof performance, and meanwhile, the manufacturing process is simple, the construction period is short, and the manufacturing cost is low.

The invention relates to a construction method for preventing crack of an infilled wall. The infilled wall comprises an inner wall and an outer wall. The method is characterized by comprising the following steps of: a, constructing the infilled wall; b, embedding a tie bar; c, suspending a hot dip galvanizing steel wire gauze; d, spraying bonding agent; e, paving fiberglass mesh; f, plastering mortar in a layering way; g, coating and polishing a putty layer; and h, painting paint, wherein the paint adopts emulsion paint which can be different according to design requirements and is painted for three times by a brush. The construction method for preventing crack of the infilled wall has the advantages that: the construction steps are reasonable in design, simple in operation, and safe and reliable in construction quality; and the infilled wall has no delaminating, hollowing, ash blasting or cracking.

The invention relates to the nanometer plate surface glue equipment and the cloth glue that comprises the working platform, cloth hopper distributing nanometer fluid on the compound extractor, vibrating device connected with the cloth hopper, cloth applying device setting the glass fiber net on the nanometer glue band, and the scraping device and compression device. The compound extraction band moving horizontally on the working platform and forming nanometer band, setting glass fiber net cloth with tension on the nanometer band, compressing the glass fiber net cloth and the nanometer band into nanometer compound band, compressing the compound band tightly. It is heat and sound insulation, radiation resistant, and improved in product feature and reduced in production cost.

The invention relates to a light-burned dolomite light-weight wall partition board, comprising the following components in parts by weight: 10 to 40 parts of light-burned dolomite powder, 8 to 55 parts of blender solution, 5 to 85 parts of aggregate, 0.01 to 8 parts of water resistant admixture, 1 to 50 parts of industrial residue, 1 to 30 parts of thickening agent, 1 to 16 layers of glass fiber grid cloth and 0.01 to 0.5 parts of water reducing agent. The light-weight wall partition board of the invention has the advantages of: being free from steam curing or autoclave curing, fast reaction and curing at normal temperature, high strength, good water resistance, no moisture absorption, no halogen accumulation and no scumming, being anti-freezing, soundproofing, heat insulating, heat preserving and flame retardant, massive use of industrial residue and agricultural waste, saving resource and energy, no discharge of the three wastes and the like. The light-burned dolomite light-weight wall partition board has low production cost and great social and economical benefits, and is mainly used for non-load-bearing wall partition.

Drywall tapes, drywall joints and methods for their construction are provided by this invention. The drywall tape of this invention includes a web of glass fibers and a coating disposed over a portion of the glass fibers. The coating includes a resinous binder which is at least partially soluble or dispersible in joint compound. The resinous binder is capable of forming an adhesive bond with the joint compound when set.

The present application is directed to a method for performing a bisulfite reaction to determine methylation positions in a nucleic acid, i.e. methylated and non-methylated cytosines, whereby the nucleic acid is bound to a solid phase during the deamination and/or desulfonation step of the bisulfite reaction. The solid phase is preferably a material comprising glass or silica, more preferably a glass fleece, glass membrane or a magnetic glass particle. Further, the use of a solid phase for binding a nucleic acid during the deamination and/or desulfonation step of the bisulfite reaction is disclosed and a kit containing a bisulfite reagent and a solid phase.

Polymer electrolyte composites for alkali metal electrochemical devices which are formed by coating an inert, lightweight, electrically insulating, woven or non-woven glass fiber net with a liquid, ion-conductive polymer, and curing the polymer to form a solid state or semi-solid state electrolyte composite.

The invention discloses a frame retardant glass fiber mesh, which is formed by submerging a mesh in a flame retardant adhesive, and is characterized in that: the flame retardant adhesive comprises a PVDC latex, a strengthened positioning emulsion, an inorganic nano filler, an assistant flame retardant and a dispersant of which a dry matter ratio is 2:(0.5-1.5):(0.05-0.35):(0.05-0.25):(0.001-0.1). The flame retardant glass fiber mesh has the advantages that: the technological process is simple and convenient to operate and control, raw materials have low cost, and the production process has no pollution; the obtained glass fiber mesh product has good flame retardancy; and the indexes, such as hand feeling, elasticity, positioning effect, strength and the like all meet related requirements. The mesh prepared by the invention can be used in the industrial and civil buildings and places without limitation to halogenated flame retardancy.