262 results about "Alkali free" patented technology

The invention discloses a composite clarifying agent for alkali-free glass and a manufacturing method of an alkali-free glass substrate, and relates to the technical field of glass manufacturing, the composite clarifying agent for alkali-free glass comprises the following components by mass: 12-30% of ammonium chloride, 48-73% of sulfate, and 11-25% of calcium fluoride; the preparation method comprises the following steps: adding a composite clarifying agent accounting for 0.2-1.2% of the total weight of the glass raw material into the glass raw material, uniformly mixing to form a batch, and carrying out melting, molding, spraying, annealing, cutting, alkali cleaning and other processes on the batch to finally prepare the glass substrate. The prepared composite clarifying agent does not contain toxic substances such as arsenic oxide and antimony oxide, the glass substrate produced by using the clarifying agent not only has an excellent clarifying effect, but also can recycle SO2 and NH3 gas generated in the melting process, can effectively solve the quality problems such as micro-flaws on the surface of the glass substrate in the production process, and has a good application prospect. And the production cost can be reduced and the product quality can be improved.

The invention discloses an alkali-free accelerator and a preparation method and application thereof in the technical field of concrete additives, and the alkali-free accelerator provided by the invention comprises the following components in percentage by mass: 40%-50% of aluminum sulfate, 10%-15% of magnesium sulfate, 0.2%-0.6% of diethanol amine, 0.5%-1% of catechol-4-ammonium sulfonate, 5%-10% of a stabilizer and the balance of water. The stabilizer comprises silicate dispersion liquid and silica sol. The alkali-free accelerator provided by the invention can be used for spraying concrete, the mixing amount of the alkali-free accelerator is generally 4-6% of the mass of cement, the alkali-free accelerator is good in rapid setting effect and has excellent early and later compressive strength, and meanwhile, the alkali-free accelerator has relatively excellent stability.

The invention relates to the technical field of thermal insulation materials, in particular to an aerogel felt and a preparation method thereof.The aerogel felt is composed of a composite fiber base material and multi-component aerogel loaded in the composite fiber base material, the composite fiber base material comprises 65%-75% of alkali-free glass fibers, 15%-20% of modified polyimide fibers, 4%-6% of nanoscale carbon fibers and 8%-12% of basalt fibers, and the multi-component aerogel is loaded in the composite fiber base material. According to the multi-component aerogel, 78%-82% of tetraethoxysilane, 12%-14% of methyltrimethoxysilane, 4%-6% of dimethyldimethoxysilane and 2%-4% of vinyltrimethoxysilane serve as precursors, 1.5%-2.5% of aluminum oxide, 0.8%-1.5% of titanium oxide nanoparticles and 3%-4% of zinc borate are added, a multi-stage reinforced structure is formed, the mechanical property and flexibility of the aerogel felt are remarkably improved, the tensile strength reaches 400 kPa or above, and the tensile strength reaches 400 kPa or above. The flexibility is excellent.

The invention discloses a super-early-strength shrinkage-free high-crack-resistance tunnel spraying repair material in the technical field of civil engineering materials, which comprises the following raw materials in percentage by mass: 35-45% of sulphoaluminate cement; 8%-12% of a superfine early strength admixture; 2%-3% of a calcium sulphoaluminate expanding agent; 1%-2% of a magnesium oxide-based expanding agent; 1-2% of a calcium-magnesium composite expanding agent; 10%-15% of hollow glass beads; 1.5%-2.5% of copper plated steel fiber; 0.1%-0.3% of polypropylene fiber; 25%-30% of graded quartz sand; 0.5%-1.0% of a polycarboxylic acid water reducing agent; 3%-5% of an alkali-free liquid accelerator; 0.3%-0.8% of a thixotropic agent; and 0.1%-0.3% of a thickening time control agent. According to the method, a multi-scale performance cooperative regulation system is innovatively constructed. Through accurate control of the hydration process of a gel system, a shrinkage stress multi-stage compensation mechanism and systematic integration of a fiber-matrix interface strengthening technology, the mutual restriction relationship among early strength development, volume stability and crack resistance of a traditional material is broken through.

The invention relates to the technical field of fire-resistant cables, and particularly discloses a high-flame-retardant and high-fire-resistant cable which is composed of a conductor, an insulating layer formed by magnesium oxide particles and an outer sheath, a spiral cavity is formed between the conductor and the outer sheath, the spiral cavity is formed by at least one spirally-wound insulating tape, and the insulating tape is arranged between the conductor and the outer sheath. The spiral cavity is filled with magnesium oxide particles and is compacted, the insulating tape is a high-temperature-resistant flexible mica tape, the mica tape is formed by compounding synthetic mica paper or phlogopite paper and alkali-free glass fiber cloth, and the spiral cavity formed by the spirally wound composite mica tape limits the displacement of the magnesium oxide particles. The inclined winding of the insulating tape constructs a support system with a stable structure and uniform pressure distribution, greatly improves the deformation resistance of the insulating layer under dynamic mechanical stress, effectively guarantees the integrity of an insulating medium, and effectively solves the technical problem that a magnesium oxide layer in a traditional mineral insulated cable is easy to loosen.

The invention discloses a hydrolysis-resistant reinforced high-temperature nylon composite material and a preparation method thereof, and relates to the technical field of nylon composite materials. According to the composite material, a PA66-PA46 random copolymer, bio-based polyamide 1010 and PA6 resin are used as matrixes, and are matched with a composite reinforcement formed by silane coupling agent modified carbon nanotubes and hydrolysis-resistant alkali-free glass fibers; and a polycarbodiimide and epoxy-terminated polyether compounded hydrolysis-resistant agent, a bio-based composite nucleating agent, an antioxidant complexing agent, a fatty acid amide flowable agent and an inorganic coloring agent are used as auxiliary materials. The preparation method comprises the following steps: raw material synergistic pretreatment, ultrasonic-mechanical shearing synergistic premixing, dynamic pressure-regulating twin-screw extrusion blending, water mist-water cooling-air knife synergistic cooling pelletizing and vacuum pulse drying-crystallization synergistic post-treatment. The composite material is uniform in structure and stable in performance, has excellent hydrolysis resistance and high-temperature resistance, and is suitable for application scenes with relatively high requirements on material environment stability.

The invention provides a low-dielectric high-toughness alkali-free spherical glass powder modified copper-clad plate. The low-dielectric high-toughness alkali-free spherical glass powder modified copper-clad plate consists of a composite resin matrix, modified alkali-free spherical glass powder, a synergistic functional filler, an auxiliary agent, a reinforced base material and a conductive layer, the modified alkali-free spherical glass powder is subjected to gradient treatment of plasma activation, silane grafting and organic silicon coating, the particle size of the modified alkali-free spherical glass powder is 0.5-2 microns, the modified alkali-free spherical glass powder accounts for 10-20 parts by weight in the raw materials, and the content of organic functional groups on the surface of the modified alkali-free spherical glass powder is larger than or equal to 1.6 mmol / g.The invention further provides a preparation method of the low-dielectric high-toughness alkali-free spherical glass powder modified copper-clad plate. Compared with the prior art, the preparation method has the following beneficial effects that a double-resin blending and elastomer toughening system is constructed through a modification process of filler activation, silane grafting and organic silicon coating, and the technical bottleneck is solved in combination with an interface compatibility technology.

The invention relates to the technical field of building material preparation, and discloses an aluminate material compounded alkali-free accelerator which comprises the following components in parts by mass: 6-12 parts of an aluminate-based material, 4-10 parts of a sulphoaluminate-based material, 8-18 parts of a regulator, 20-40 parts of aluminum sulfate and 50-70 parts of water, the preparation method comprises the following steps: sequentially adding the sulphoaluminate-based material, the aluminate-based material, the regulator and the aluminum sulfate, and carrying out multi-stage stirring. When the mixing amount of the prepared accelerator is 6%-8% of the mass of cement, the initial setting time is 120-180 seconds, the final setting time is 200-300 seconds, the strength in 6 hours is larger than or equal to 1.1 MPa, and the strength in 1 day is larger than or equal to 9 MPa. According to the formula, the setting performance and strength development of the accelerator are optimized, the adaptability and construction efficiency of cement are improved, the problems that a traditional accelerator is poor in adaptability, long in setting time and slow in strength development are solved, and the requirements for rapid construction and high strength are met.

The invention discloses titanium-rare earth synergistic alkali-free glass with an ultrahigh strain point and high resistance and a preparation method of the alkali-free glass, and belongs to the technical field of glass. According to the alkali-free glass, a unique titanium-rare earth synergistic enhanced network is constructed, two key control parameters, namely, a high temperature performance index (HTPI) and a resistance synergistic factor (RCF), are defined for the first time, and when the HTPI is controlled to be 5.8-7.2 and the RCF is controlled to be 3.5-4.85, the strain point of the glass is larger than or equal to 745 DEG C, and meanwhile, the glass has the advantages that the glass has the good heat resistance and heat resistance; according to the glass substrate prepared by the preparation method disclosed by the invention, the resistivity at 1620 DEG C can be accurately regulated and controlled within an ideal interval of 50-150 omega.m, meanwhile, the Young modulus is greater than or equal to 88 GPa, the liquidus temperature is less than or equal to 1260 DEG C, the comprehensive performance is far better than that of the prior art, and the strict requirements of high-generation LTPS and IGZO display panel manufacturing on the glass substrate are perfectly met.

The invention belongs to the technical field of railway bridge ancillary facilities, and discloses a high-strength light composite material railway bridge foot plank which comprises a plane part at the top and hollow strip-shaped protrusions arranged in the length direction, and strip-shaped grooves opened downwards are formed between the protrusions so as to improve the bearing capacity and reduce the dead weight. The foot plank is formed by combining a resin matrix, an alkali-free glass fiber reinforced material, a flame retardant and an auxiliary agent, an unsaturated polyester resin system or an epoxy resin system is selected, and the connecting piece is of an S-shaped component or a hook type structure, so that rapid installation and reliable locking of the foot plank and the steel beam are achieved. The foot plank has the advantages of high strength, light weight, corrosion resistance, high weather resistance and the like, and is suitable for long-term safe use of railroad bridges.

Glasses are disclosed which can be used to produce substrates for flat panel display devices. The glasses may be substantially alkali free. The glasses are doped with one or more transition metals (e.g., Ni, Co) and exhibit reduced optical transmittance to suppress light leakage from the display device and / or to improve contrast. The display device may be a bottom emission display device or a top emission display device. The display device may be a tiled display device. Glasses disclosed herein may be used, for example, as a baseplate having a plurality of display substrates disposed thereon, a display substrate (e.g., backplane) having a plurality of light emitters disposed thereon, a glass cover plate, or combinations thereof.

The invention discloses a nano noble metal-based oxidation catalyst as well as preparation and application thereof, and belongs to the technical fields of preparation of nano catalysts and catalytic conversion of biomass derivatives. The nano noble metal-based oxidation catalyst comprises a core-shell structure as a carrier and nano noble metal particles (such as Pt) loaded on the core-shell structure; wherein the core-shell structure takes a cerium-based oxide as a core and takes a metal oxide as a shell; pt is loaded on the surface of the cerium-based oxide. When the catalyst is used for catalyzing glycerol oxidation to prepare glyceric acid, high glycerol conversion rate (as high as 90%) and high glyceric acid selectivity (as high as 99%) under an alkali-free condition can be realized.

The invention discloses a flame-retardant SMC (Sheet Molding Compound) material for a new energy storage box and a preparation method of the flame-retardant SMC material, and relates to the field of composite material preparation. The flame-retardant SMC material for the new energy storage box is prepared from the following components in parts by weight: 20-24 parts of epoxy vinyl ester resin, 14-20 parts of unsaturated polyester resin, 5-10 parts of benzoxazine resin, 12-18 parts of a phosphorus-nitrogen synergist, 5-8 parts of an inorganic flame retardant, 5-8 parts of a reinforcing agent and 1-3 parts of other auxiliaries. The phosphorus-nitrogen synergist comprises vinyl modified DOPO (9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide) and amino modified DOPO, the inorganic flame retardant is prepared from expanded graphite and aluminum hydroxide, and the reinforcing agent is prepared from alkali-free glass fibers and nano magnesium hydroxide. The SMC material prepared by the invention is suitable for being safely used in various environments, and has high flame retardance and excellent mechanical properties.

The invention discloses a low-boron high-performance alkali-free glass fiber composition, and relates to the technical field of glass fibers. The technical scheme is as follows: the high-temperature-resistant glass comprises the following components in percentage by mass: 52%-60% of SiO2, 11%-15% of Al2O3, 2%-6% of B2O3, 18%-25% of CaO, 1%-3% of MgO, 0.1%-0.6% of Fe2O3, 0.1%-2.5% of TiO2, 0.3%-0.6% of F2, 0.05%-0.75% of K2O, 0.05%-0.75% of Na2O and 0.1%-3% of XO, wherein XO is selected from one or more of FeO, SeO2, BeO, La2O3 and CeO2. While the boron content is reduced, the stability of the glass composition under founding and forming conditions and the performance of a product are not deteriorated by adjusting the components of the glass, and the glass composition has the characteristics of better light transmission and lower dielectric constant.

A shotcrete interface reinforcement mortar for use in cold-region tunnel water seepage conditions, and its preparation method and application, belong to the field of shotcrete technology. Its raw materials are as follows: cement, water, calcium salt, phase-change temperature control component, modified silane coupling agent, fine aggregate, liquid alkali-free quick-setting agent and water reducer, wherein the phase-change temperature control component is a mixture of emulsion polymer powder and adhesive, and the modified silane coupling agent is a nanomaterial-modified silane coupling agent. The present invention is specifically aimed at how to effectively improve the bonding strength and water penetration resistance of shotcrete in low-temperature environments when cold-region tunnels are facing low-temperature water seepage construction environments. This new idea not only focuses on solving key problems such as the decrease in concrete bonding strength and susceptibility to freeze-thaw damage, which are common in tunnel construction in cold regions, but also aims to fundamentally improve the bonding condition between concrete and construction surface through refined surface treatment technology, and enhance its ability to resist structural damage caused by low temperature and water penetration.

The present invention provides an alkali-free glass sheet, which has a content of Li2O+Na2O+K2O of from 0 mol % to 0.5 mol % in a glass composition, and has a Young's modulus of 78 GPa or more, a strain point of 680° C. or more, and a liquidus temperature of 1,450° C. or less.

An alkali-free glass sheet according to the present invention contains, as a glass composition, in mol %, from 60% to 80% of SiO2, from 12% to 15% of Al2O3, from 1.2% to 4% of B2O3, from 0% to 0.5% of Li2O+Na2O+K2O, from 2% to 8% of MgO, from 2% to 11% of CaO, from 0% to 5% of SrO, from 0% to 5% of BaO, and from 10% to 16% of MgO+CaO+SrO+BaO, in which a mol % ratio B2O3 / Al2O3 is from 0.1 to 0.3, a mol % ratio (B2O3+BaO) / SiO2 is from 0.01 to 0.1, and MgO+CaO+SrO+BaO—Al2O3 is from −2% to +2%.

The invention belongs to the technical field of civil engineering materials, and particularly relates to sprayed concrete suitable for a chlorine salt erosion environment and a preparation method of the sprayed concrete. And meanwhile, the bionic helical carbon nanotube-polymer composite gel is pre-dispersed in water. Sequentially adding the aggregate, the fiber and the composite cementing material, carrying out dry mixing, adding the gel dispersion liquid, the water reducing agent and the air entraining agent, and stirring to obtain a mixture; and finally, adding an alkali-free liquid accelerator at a nozzle through a wet spraying process, and spraying the alkali-free liquid accelerator to a construction surface. The nano hybrid material can effectively adsorb and lock chloride ions, and the bionic gel has a crack self-repairing function. And the two components have a synergistic effect, and are combined with a compact microstructure and a fiber reinforcing and toughening effect, so that the obtained concrete has extremely high chloride ion penetration resistance and durability, and is particularly suitable for support and protection engineering in chlorine salt environments such as temporary expressways and the like.

The present invention relates to a halogen-free flame-retardant reinforced polyester composite material with high hydrolysis resistance. The hydrolysis-resistant halogen-free flame-retardant reinforced polyester composite material of the present invention comprises a polyester resin, alkali-free glass fiber, a halogen-free flame retardant, an anti-hydrolysis agent, a buffer, an antioxidant, and a lubricant. The alkali-free glass fiber can improve the mechanical strength and impact resistance of the material. The hydrolysis-resistant halogen-free flame retardant, the anti-hydrolysis agent, and the buffer work together to obtain a polyester composite material with high hydrolysis resistance. The flame retardancy meets the UL-94 standard 0.4mm V-0 rating, and after storage in an 85°C / 85% RH environment for 2000 hours, the tensile strength retains 70%.

The utility model discloses an abnormal alkali-free glass fiber yarn removing device, which relates to the technical field of yarn production, and comprises a removing assembly, the removing assembly comprises a shell arranged at the top of a base, a first motor is arranged in the shell, a winding roller is arranged at the top of the shell, and the winding roller is fixedly connected with the output end of the first motor; a yarn body sleeves the winding roller, a first sliding groove is formed in the top of the base, a first lead screw is rotationally connected into the first sliding groove, a third sliding block is in threaded connection with the first lead screw, the shell is connected with the third sliding block, the detection assembly is arranged at the top of the base, the detection assembly comprises a support arranged at the top of the base, and a clamping groove is formed in the bottom of the support; according to the yarn cleaning device, through the arranged removing assembly, when impurities are detected in the yarn, the yarn is guided into the cleaning box, the yarn is soaked in the cleaning solution for a period of time, and the impurities are fully subjected to chemical reaction with the cleaning solution and are dissolved or decomposed.

The present application relates to the technical field of gypsum board, in particular to water-resistant and moisture-proof paper-faced gypsum board and its preparation process, comprising two layers of modified facing paper and gypsum board core material between the two layers of modified facing paper, characterized in that the gypsum board core material is composed of modified core material slurry, and the raw materials of the modified core material slurry are composed of the following components: gypsum clinker, water, cement particle ball, premixed paste, alkali-free glass fiber, hydrophobic / hydrophilic mixed starch, hydroxypropyl methyl cellulose, coagulant, and silicon oil catalyst. The present application builds a micro-nano titanium dioxide / silane composite hydrophobic coating on the surface of the facing paper to form the first physical water-blocking layer, and introduces silane-modified nanocellulose and emulsified silicon oil into the core to establish a hydrophobic network inside the core material, and the two form a gradient protection structure of surface shielding and internal hydrophobicity. Even if the outer coating is partially worn, the core material can still effectively prevent water diffusion, significantly improving the water resistance reliability in long-term humid environment.

The method comprises the following steps: weighing water, cement, fly ash, natural river sand, recycled coarse aggregate, a water reducing agent, a liquid alkali-free accelerator and copper-plated steel fibers, uniformly mixing the cement and the fly ash to obtain a cementing material, reserving a part of the water, and uniformly mixing the cement and the fly ash to obtain the quick-setting recycled concrete for emergency repair and construction. Mixing the natural river sand and the cementing material, performing dry stirring, then adding the remaining water and the water reducing agent, performing stirring, then adding the copper-plated steel fiber and the recycled coarse aggregate, performing stirring, adding the liquid alkali-free accelerator and the reserved water into the obtained mixture, and performing stirring so as to obtain a concrete mixture in a gel state; and filling the concrete mixture in the gel state into a mold, vibrating, standing, demolding and curing to obtain the quick-setting recycled concrete for emergency repair and rush building. The quick-setting recycled concrete has the advantages of short setting time, high mechanical strength, stable chemical property and the like, and has good economical efficiency and environmental protection property.

The application relates to the technical field of fire-resistant cables, and particularly discloses a high-flame-retardant high-fire-resistant cable which is composed of a conductor, an insulation layer formed of magnesium oxide particles and an outer sheath, a spiral cavity is arranged between the conductor and the outer sheath, the spiral cavity is formed of at least one spiral-wound insulation belt, the magnesium oxide particles are filled in the spiral cavity and compacted, the insulation belt is a high-temperature-resistant flexible mica belt, the mica belt is composed of synthetic mica paper or phlogopite paper and alkali-free glass fiber cloth, the spiral cavity formed by the spiral-wound composite mica belt limits the displacement of the magnesium oxide particles, the inclined winding of the insulation belt constructs a support system which is stable in structure and uniform in pressure distribution, the anti-deformation capacity of the insulation layer under dynamic mechanical stress is greatly improved, the integrity of the insulation medium is effectively ensured, and the technical problem that the magnesium oxide layer in a traditional mineral-insulated cable is easy to loosen is effectively solved.

The present invention relates to a high-gloss high-glass-fiber-content nylon 66 composite material and a preparation method thereof, and belongs to the technical field of polymer composite materials. The components of the composite material are: 50-60wt% of alkali-free glass fiber, 2.2-3.5wt% of a high-gloss compatibilizer, 3.5-5wt% of a toughening agent, 0.15-0.2wt% of an antioxidant, and 0.6-0.9wt% of a processing aid, with the remainder being nylon 66 resin; the high-gloss compatibilizer is substituted by n-alkyl alcohol and vinyl trichlorosilane to form intermediate 1, and then intermediate 2 is prepared by initiating addition of methyl thioglycolate and the unsaturated double bond of intermediate 1, and finally amine transesterification is carried out by γ-aminopropyl triethoxysilane and the terminal methyl ester of intermediate 2; the high-gloss compatibilizer effectively reduces the high-crystalline region-low-crystalline region interface content in the composite system, reduces the scattering of light, and thus allows the composite material to maintain a higher gloss.

An alkali-free glass includes, in mol % in terms of oxides: SiO2: 63-75%; Al2O3: 10-16%; B2O3: 0-5%; MgO: 0.1-15%; CaO: 0.1-12%; SrO: 0-8%; and BaO: 0-6%. [MgO] / [CaO] is 1.5 or smaller. A value of Formula (A) is 82.5 or larger. A value of Formula (B) is 690 or larger and 800 or smaller. A value of Formula (C) is 100 or smaller. A value of Formula (D) is 20 or smaller. The alkali-free glass has a Young's modulus of 83 GPa or larger and a surface devitrification viscosity ηc of 104.2 dPa·s or higher.

The invention belongs to the technical field of filter materials, and particularly relates to an electret enhanced composite filter material and a preparation method thereof.The electret enhanced composite filter material comprises a PET fiber layer, an aramid nanofiber layer and an alkali-free glass fiber layer from top to bottom, and the mass ratio of the PET fiber layer to the aramid nanofiber layer to the alkali-free glass fiber layer is (30-60): (5-20): (20-50). According to the invention, the PET fiber layer is used as a supporting base material, so that good mechanical strength, structural stability and a preliminary filtering function are provided for the composite filter material; the aramid nanofiber layer is arranged, so that the filtering precision and efficiency of the composite filter material are remarkably improved; the alkali-free glass fiber layer is arranged, so that the filtering performance and the thermal stability of the composite filter material are further enhanced; the three-layer structure has a synergistic effect, so that the mechanical strength and economical efficiency of the filter material are considered while the filter precision of 0.1 mu m is realized, and the filter material has excellent comprehensive performance.

The present invention relates to the field of air filtration materials, in particular to an oil separation filter paper and its production process. Among them, the production process of the oil separation filter paper includes: raw material preparation, adding water and inorganic acid to a mixture of alkali-free glass microfiber cotton and alkali-free glass fiber short cut filaments and stirring evenly to make a pulp suspension; crushing and pulping, adding the prepared raw materials into a crusher for beating and dispersing, and filtering the pulp with a filtering device to obtain the pulp; wet forming, transferring the obtained pulp to a storage tank and diluting it to a mass concentration of 0.1-0.3%, and adjusting the pH value to 2.0-3.5, and transporting the pulp in the storage tank to a former for forming to obtain a wet paper; suction dehydration, dehydrating the obtained wet paper to make the moisture content of the wet paper less than 15%; sizing treatment, passing the treated wet paper through an impregnation tank and a spraying section respectively; drying treatment, drying the treated wet paper to obtain a primary glass fiber filter paper; finished product shaping, placing the obtained primary glass fiber filter paper into a mold for stamping and shaping.

The utility model relates to the technical field of filter material base cloth, and discloses alkali-free glass fiber grid anti-static filter material base cloth which comprises anti-static filter material base cloth, a plurality of reinforcing assemblies are arranged at the top end and the bottom end of the anti-static filter material base cloth, anti-static cloth is arranged at the top end and the bottom end of the anti-static filter material base cloth, and the reinforcing assemblies are arranged at the bottom end of the anti-static filter material base cloth. According to the alkali-free glass fiber grid anti-static filter material base cloth disclosed by the utility model, the supporting property of the alkali-free glass fiber grid anti-static filter material base cloth is improved through the arrangement of the plurality of reinforcing assemblies, so that the alkali-free glass fiber grid anti-static filter material base cloth is not easy to deform in the use process when being made into a filter bag; according to the alkali-free glass fiber grid anti-static filter material base cloth, the anti-static effect of the alkali-free glass fiber grid anti-static filter material base cloth is improved through the arrangement of the anti-static cloth, the side edges of the alkali-free glass fiber grid anti-static filter material base cloth are not prone to loosening through the arrangement of the edge sealing assemblies, and the influence on the quality of a filter bag made of the alkali-free glass fiber grid anti-static filter material base cloth is avoided.