561 results about "Unsaturated polyester" patented technology

The invention discloses unsaturated polyester resin for imitation jade handicrafts and a preparation method thereof, and belongs to the technical field of polyester resin. Comprising the following components: diethylene glycol, methylpropanediol, propylene glycol, maleic anhydride, phthalic anhydride, an antioxidant, a polymerization inhibitor, paraffin, a stabilizer, an ultraviolet light absorber, a whitening agent and a diluent. The weight ratio of the propylene glycol to the methyl propylene glycol is (1.0-1.3): 1, and the methyl propylene glycol accounts for 20-22% of the total amount of the dihydric alcohol; the weight ratio of maleic anhydride to phthalic anhydride is (0.46-0.52): 1; the preparation method comprises 1) adding the raw materials and the antioxidant into a reactor, carrying out heating, carrying out heat preservation for 0.5-1.0 h and continuing heating, 2) carrying out a reaction for 2-3 h after heating, carrying out dehydration until an acid value is 20-25 mgKOH / g, and 3) carrying out cooling, adding the auxiliary agent and carrying out uniform mixing so that the unsaturated polyester resin is obtained.

The invention discloses a high-strength low-density proppant as well as a preparation method and an in-situ generation method thereof. The proppant is prepared by compounding recycled glass fiber reinforced plastic powder or glass fiber powder with different meshes and recycled glass fiber reinforced plastic powder in different proportions and blending a styrene system / unsaturated polyester resin system in different proportions. The glass fiber reinforced plastic powder as the filler can improve the mechanical properties of the proppant, such as strength and toughness. The matrix is made of polystyrene or unsaturated polyester or other high polymer materials and is low in density. Therefore, the proppant has the characteristics of high strength and low density. The invention discloses a preparation method of a high-strength and low-density proppant, which can produce the high-strength and low-density proppant with uniform particle size distribution on a large scale by adopting a suspension polymerization method, and can efficiently recover a large amount of glass fiber reinforced plastic wastes. The suspension polymerization method is simple to operate, the produced proppant is high in roundness and sphericity, the mining cost of a coal-bed gas well can be reduced, and the yield of coal-bed gas can be increased.

The invention discloses an anti-subfissure soft photovoltaic module and a preparation method thereof, and the method comprises the steps: enabling a backboard, a high-cut-off packaging adhesive film, a first anti-subfissure film, a cell layer, a second anti-subfissure film, a high-transmittance packaging adhesive film, and a transparent packaging front layer to be sequentially stacked from bottom to top, and carrying out the lamination and integrated molding of the anti-subfissure soft photovoltaic module. Compared with the traditional packaging adhesive film as the packaging material of the solar cell, the unsaturated polyester pre-impregnated glass fiber is used as the packaging material of the solar cell, so that the strength and the flexibility are higher, the solar cell can be better protected, and the subfissure resistance of the soft photovoltaic module is improved.

The invention discloses unsaturated polyester resin for an unmanned aerial vehicle fuselage and a preparation method of the unsaturated polyester resin, and relates to the field of high polymer materials. When the unsaturated polyester resin for the unmanned aerial vehicle fuselage is prepared, a flame-retardant monomer reacts with 2-hydroxy-5-(hydroxymethyl) benzaldehyde to prepare a modified flame-retardant monomer; reacting cellulose with acrylic acid to obtain pre-modified cellulose; the pre-modified cellulose, 1-allyl-1, 1, 3, 3-tetramethyldisiloxane and chloroplatinic acid are subjected to a reaction, and modified cellulose is prepared; maleic anhydride, 5-(1H-imidazole-1-yl)-1, 3-phthalic acid, propylene glycol and the modified flame-retardant monomer are subjected to a reaction, and pre-polyester is prepared; and stirring the pre-polyester, zinc chloride, modified cellulose, benzophenone peroxide and styrene to obtain the anti-aging coating. The prepared unsaturated polyester resin for the unmanned aerial vehicle fuselage has good anti-aging, self-repairing, flame-retardant and self-cleaning performance.

The invention relates to the technical field of composite materials, in particular to a nano-montmorillonite reinforced unsaturated polyester resin based composite material and a preparation method thereof. Comprising the following raw materials in parts by weight: 60-85 parts of orthophthalic unsaturated polyester resin, 3-15 parts of nano montmorillonite, 1-5 parts of a polyfunctional group intercalator, 1-4 parts of an initiator, 0.5-2 parts of dimethylaniline and 0.5-3 parts of gamma-aminopropyltriethoxysilane. The polyfunctional intercalator interacts with interlayer ions and surface groups of the nano-montmorillonite through multiple functional groups of the polyfunctional intercalator, and is effectively inserted into the interlayer of the nano-montmorillonite, so that the interlayer spacing is obviously increased, and favorable conditions are provided for subsequent insertion and compounding of resin; the functional groups not only can chemically react with active groups of unsaturated polyester resin to form stronger chemical bonding, but also can enhance the interface bonding force between two phases through physical entanglement, so that the overall performance of the composite material is remarkably improved.

The invention discloses high-temperature-resistant and corrosion-resistant unsaturated polyester resin for a grid and a preparation method thereof, and belongs to the technical field of unsaturated polyester resin. The raw materials comprise the following components in parts by weight: 330 to 400 parts of isophthalic acid, 55 to 80 parts of 1, 4-cyclohexanedimethanol, 150 to 200 parts of ethylene glycol, 125 to 220 parts of first reaction stage propylene glycol, 0.2 to 0.6 part of a catalyst, 0.1 to 0.3 part of a first reaction stage antioxidant, 90 to 120 parts of second reaction stage propylene glycol, 30 to 50 parts of phthalic anhydride, 300 to 380 parts of maleic anhydride, 0.1 to 0.3 part of a second reaction stage antioxidant, 0.1 to 0.5 part of a polymerization inhibitor and 600 to 630 parts of a cross-linking agent. The high-temperature-resistant and corrosion-resistant unsaturated polyester resin for the grating has the characteristics of high corrosion resistance, high temperature resistance and high mechanical property, is low in cost and is suitable for being used as a raw material for manufacturing the grating.

The invention discloses unsaturated polyester resin for an optical cable reinforcing core and a preparation method thereof, and belongs to the technical field of unsaturated polyester resin. The composition is composed of the following components: PG, IPA, a catalyst, maleic anhydride, AA, styrene, an antioxidant, a first polymerization inhibitor, a second polymerization inhibitor and a third polymerization inhibitor. The ratio of alcohol to acid is (1.08-1.12): 1; the activity is (3.4-3.8): 1; the molar ratio of AA to IPA is 1: (12-16); the preparation method comprises the following steps: 1) uniformly mixing propylene glycol, a catalyst and isophthalic acid; 2) raising the temperature, preserving the heat and raising the temperature again; cooling, sequentially adding a first polymerization inhibitor, maleic anhydride and adipic acid, heating, keeping the temperature, and heating again; 3) cooling and adding a second polymerization inhibitor, and 4) cooling and adding styrene, a third polymerization inhibitor and an antioxidant, uniformly mixing, and cooling to less than or equal to 60 DEG C to obtain the unsaturated polyester resin for the optical cable reinforcing core. The unsaturated polyester resin for the optical cable reinforcing core has the characteristics of high bending strength and high temperature resistance.

The invention discloses selenium-containing unsaturated polyesteramide and a preparation method thereof, and the preparation method comprises the following steps: mixing and dissolving a diamine compound, propiolic acid ester and selenolactone in an organic solvent, and carrying out chemical reaction to obtain the selenium-containing unsaturated polyesteramide. A diamine compound, propiolic acid ester and selenolactone are used as raw materials, selenium-containing unsaturated polyesteramide is generated through click polymerization reaction of selenol and alkyne, the novel preparation method of selenium-containing unsaturated polyesteramide is developed, and the prepared polyesteramide is narrow in molecular weight distribution, controllable in structure and adjustable in degradation rate, and can be used for preparing selenium-containing unsaturated polyesteramide. Long-term stability is good, multiple responsiveness is achieved, and optical performance is good; the raw materials are wide in source, tedious substrate synthesis is avoided, the steps are simple, the reaction conditions are mild, the polymerization speed is high, and efficient large-scale production can be achieved; no catalyst is needed, no by-product is generated, and extra purification is not needed.

The invention relates to the field of powder coatings, and particularly discloses a slow-release coated heat-curable powder coating catalyst composition, a powder coating and a preparation method of the powder coating. The slow-release coated heat-curable powder coating catalyst composition comprises: i) a component A, which is an inner core coated object and comprises at least one basic catalyst capable of promoting the ring-opening reaction of epoxy resin, and i) a component B, which is an outer core coated object and comprises at least one basic catalyst capable of promoting the ring-opening reaction of epoxy resin; ii) a component B, which is a coated shell comprising at least one crystalline solid unsaturated polyester resin or a semi-crystalline solid unsaturated polyester resin; the component C is a coating medium and comprises at least one alkane wax.The low-temperature powder coating can be cured at the ultralow temperature, the curing temperature is as low as 90-120 DEG C, the storage time of the low-temperature powder coating is effectively prolonged, and the requirement of a normal powder coating process is met.

The invention discloses weather-resistant unsaturated polyester resin as well as a preparation method and photovoltaic application thereof, and relates to the technical field of high polymer materials. When the weather-resistant unsaturated polyester resin is prepared, 1, 6-hexanediol, itaconic acid and an ultraviolet absorption monomer are subjected to esterification and polycondensation to prepare unsaturated polyester; the preparation method comprises the following steps: carrying out reaction on naringenin and 4-isocyanate-tetramethylpiperidine oxide to prepare a functional cross-linking agent; the preparation method comprises the following steps: reacting 3-(4-chlorphenyl) phosphine, 2, 2 '-thiobis (4-chlorophenol) and 2-butene-1, 4-diamine, and polymerizing and coating silicon dioxide to prepare pre-modified silicon dioxide; reacting the pre-modified silicon dioxide, n-butylamine and nickel acetate to obtain modified silicon dioxide; uniformly mixing unsaturated polyester, a functional cross-linking agent and modified silicon dioxide, and performing injection molding to obtain the weather-resistant unsaturated polyester resin. The weather-resistant unsaturated polyester resin prepared by the invention has excellent anti-aging, flame-retardant, self-repairing and mechanical properties.

A sheet molding compound (SMC) composition formulation including a curable resin, such as unsaturated polyester of vinyl ester, in an ethylenically unsaturated monomer; a low profile additive, in a curable solvent; and an intumescent additive, such as melamine polyphosphate or ethylene diamine phosphate. An article formed of the SMC composition formulation experiences no more than a 100% increase in thickness as compared to an initial thickness of the article after exposure to a flame. The low profile additive is present in the composition and the intumescent additive is present in the composition. The resulting article has a char strength at 3 mm thickness of between 100 and 1,000 Newtons.

The invention discloses lighting resin as well as a preparation method and application thereof, and belongs to the technical field of lighting type unsaturated polyester resin. Comprising the following components: ethylene glycol, benzoic acid, phthalic anhydride, maleic anhydride, an antioxidant, a defoaming agent, a surfactant, a stabilizer, styrene, a solvent, a first polymerization inhibitor, a second polymerization inhibitor and a third polymerization inhibitor. The alcohol-acid ratio is (1.03-1.13): 1; the molar ratio of unsaturated acid to saturated acid is (2.5-3.5): 1; the mass ratio of benzoic acid to the surfactant is (26.8-44): 1; the preparation method comprises the following steps: 1) reacting ethylene glycol, maleic anhydride, phthalic anhydride, benzoic acid, an antioxidant and a first polymerization inhibitor; the preparation method comprises the following steps of (1) adding a first polymerization inhibitor, (2) heating and preserving heat after the reaction is completed, and (3) cooling, adding a second polymerization inhibitor, cooling, adding a third polymerization inhibitor, a cross-linking agent, a surfactant and a defoaming agent, and adding a solvent to obtain the daylighting resin.According to the preparation method, the surfactant and benzoic acid have a synergistic effect, so that the compatibility of polyester and the cross-linking agent is improved.

The invention discloses a synthesis method of special bio-based unsaturated polyester resin for zero-crystalline silicon quartz stone, which comprises the following steps: firstly, putting bio-based dihydric alcohol, 2, 5-furandicarboxylic acid, itaconic acid, an antioxidant and a polymerization inhibitor into a reaction kettle, heating to 205-210 DEG C, carrying out polymerization reaction for 2-4 hours, then vacuumizing for 2-3 hours, and cooling to room temperature to obtain the special bio-based unsaturated polyester resin for zero-crystalline silicon quartz stone. When the reaction acid value is tested to be smaller than 25 mgKOH / g and the cone plate viscosity at 125 DEG C is 500-900 mpa.s, the reaction endpoint is reached, finally, a bio-based crosslinking monomer is added for dilution, and the bio-based unsaturated polyester resin special for the zero-crystallization silicon quartz stone is obtained. The bio-based unsaturated polyester resin special for the zero-crystalline silicon quartz stone synthesized by the method can meet the requirements of a zero-crystalline silicon quartz stone production process, and solves the problems that a zero-crystalline silicon quartz stone plate is easy to generate surface pulverization corrosion, glass explosion and the like.

The invention relates to the technical field of circuit boards, in particular to an antistatic coating for a single-sided circuit board, a preparation method of the antistatic coating and the single-sided circuit board. The antistatic coating for the single-sided circuit board is prepared from the following raw materials in parts by weight: 35 to 45 parts of waterborne polyurethane resin, 8 to 12 parts of unsaturated polyester, 10 to 14 parts of cyclodextrin, 7 to 10 parts of graphite powder, 5 to 7 parts of flatting agent and 23 to 27 parts of water, the method has the advantage of reducing the electrostatic effect on the surface of the circuit board.

The invention relates to a composition comprising an unsaturated polyester dissolved in a monomer solution together with trinol (meth) acrylate, wherein the composition is essentially free of tribromoneopentyl alcohol (TBNPA) of the formula: A trinol (meth) acrylate-crosslinked polyester obtained by curing the solution, and a process for preparing an essentially TB-NPA-free trinol (meth) acrylate, are also provided by the invention.

The invention discloses a high-strength antibacterial polypropylene composite material and a preparation method thereof. The composite material comprises the following components in parts by weight: 100 parts of polypropylene, 15-25 parts of glass fiber, 1-8 parts of a compatilizer, 3-6 parts of unsaturated polyester, 1-5 parts of a stabilizer, 0.1-0.5 part of an initiator, 0.1-0.3 part of a metal ion antibacterial agent and 0.2-1.5 parts of an antioxidant, the stabilizer is selected from at least one of methyl methacrylate, acrylonitrile and divinyl benzene; the melting processing temperature of the polypropylene material is 160-175 DEG C. According to the invention, a micro-crosslinking structure is formed in the glass fiber reinforced polypropylene, so that the anisotropic shrinkage difference of the glass fiber reinforced polypropylene is effectively reduced, and the appearance quality defects caused by anisotropic characteristics of anisotropic shrinkage of the current glass fiber reinforced polypropylene material are reduced.

The invention discloses a preparation process of bi-component flame-retardant low-viscosity unsaturated polyester resin, and belongs to the technical field of polymer materials, a flame retardant is fixed by grafting a flame-retardant component trichloroethyl phosphate on the surface of a prepared core-shell ceramic heat-conducting nanosphere, and the flame-retardant core-shell ceramic heat-conducting nanosphere is obtained; the flame-retardant core-shell ceramic heat-conducting nanospheres are subjected to acrylic acid modification and are used as a cross-linking component, so that the flame-retardant core-shell ceramic heat-conducting nanospheres are cross-linked in a polymerization network of polyester resin, the mechanical property of the polyester resin is improved, and migration of flame-retardant components in the long-term use process is avoided; the shell structure of the core-shell ceramic heat-conducting nanosphere is titanium-based MOF, the subsequent flame-retardant component trichloroethyl phosphate is grafted on the shell, and the titanium-based MOF has excellent capability of catalyzing carbon formation, can quickly and stably cooperate with the trichloroethyl phosphate to play a flame-retardant role, and can effectively avoid reduction of the synergistic effect caused by steric hindrance.

The invention discloses unsaturated polyester resin for repairing an ultraviolet curing pipeline, and belongs to the technical field of preparation of unsaturated polyester resin. The unsaturated polyester resin for repairing the ultraviolet curing pipeline is prepared from the following components in parts by weight: 20 to 30 parts of maleic anhydride, 15 to 25 parts of phthalic anhydride, 19.8 to 34.1 parts of ethylene glycol, 24.3 to 41.8 parts of propylene glycol, 4 to 10 parts of a composite ultraviolet curing agent, 1 to 3 parts of a modified temperature-sensitive agent, 2 to 5 parts of carbon nanotubes, 0.1 to 0.5 part of hydroquinone and 0.5 to 1.2 parts of an antioxidant 1010. The unsaturated polyester resin prepared by the method has excellent temperature-responsive phase change, mechanical property, catalytic photocuring property and chemical corrosion resistance.

The invention discloses natural fiber geotextile and a preparation method thereof, and relates to the field of environment-friendly materials.The preparation method comprises the following steps that natural fiber fabric is placed in chemical treatment liquid to be subjected to dipping-compression roller treatment to obtain treated fabric, and the treated fabric is subjected to irradiation treatment; the chemical treatment liquid is prepared by mixing asphalt emulsion, bisphenol A epoxy resin, unsaturated polyester resin, a curing agent and an initiator. The asphalt emulsion, bisphenol A epoxy resin and unsaturated polyester resin are used for filling pores of the natural fiber fabric, cross-linking is carried out to form a three-dimensional cross-linked network, and irradiation treatment is carried out. Under the comprehensive action, the mechanical strength of the natural fiber geotextile is improved, the moisture absorption rate is reduced, and the antibacterial rate is improved.

The invention relates to the field of resin barrel stacking. The invention discloses a resin barrel stacking machine for unsaturated polyester resin production and a using method, and aims to solve the problems that when an existing resin barrel is transported and stacked, the outer wall of the resin barrel is sunken when the outer wall of the resin barrel is externally clamped, the outer wall of the resin barrel is deformed, and the resin barrel is damaged. After the resin barrels are used for many times, the resin barrels are scrapped due to deformation of the resin barrels, so that the resin barrels cannot be subsequently stacked and transported. The side supports surround the outer wall of the resin barrel, the resin barrel is wrapped with the conveying belt, the outer wall of the resin barrel can be protected, and the situation that the outer wall of the resin barrel is damaged in the carrying and clamping process, and consequently a barrel body deforms is avoided; furthermore, when the friction plate encircles the outer wall of the resin barrel, clamping force is relatively provided for the outer wall of the resin barrel, and the force can be concentrated in a required local area.

This invention relates to a polyurethane microcapsule emulsion, its preparation method, and its application. The raw materials for preparing the polyurethane microcapsule emulsion, by weight, include: 30-50 parts of unsaturated polyester polyol, 10-25 parts of isocyanate monomer, 3-6 parts of hydrophilic monomer, 2-5 parts of small molecule alcohol chain extender, 1.5-5 parts of neutralizing agent, 0.1-0.5 parts of organometallic catalyst, 20-50 parts of organic solvent, 5-15 parts of pesticide active ingredient, 3-10 parts of C6-C15 straight-chain or branched-chain olefin monomer, 0.1-0.5 parts of initiator, and 100-160 parts of water. The polyurethane microcapsule emulsion provided by this invention solves the problems of low crosslinking density, simple structural topology, insufficient hydrophobicity, and poor encapsulation stability of existing pesticide microcapsules, improving the controlled-release performance, capsule wall density, and emulsion system stability of the polyurethane microcapsule emulsion.

The invention discloses a novel microcapsule flame retardant and a preparation method thereof, and relates to the technical field of flame retardants. According to the novel microcapsule flame retardant, a novel biological matrix material is prepared from carboxymethyl chitosan. Then taking NF-grade cholesterol and a novel biological matrix material NF-carboxymethyl chitosan derivative as a shell material, and taking phosphoric acid metal salt as a capsule core; the novel biological matrix material carboxymethyl chitosan derivative shell material is low in cost, green and non-toxic, and is emulsified and cross-linked with NF-grade cholesterol, so that the flame retardant can be better coated, the surface of the flame retardant can be modified, and the microcapsule flame retardant has excellent and lasting flame retardant property. The flame retardant can be used for flame retardant modification of unsaturated polyester resin, the vertical combustion grade of the obtained flame retardant unsaturated polyester resin reaches V1, the limit oxygen index is 33%, and the flame retardant unsaturated polyester resin has good flame retardance, is suitable for high flame retardant requirements, has the smoke density grade of 58, and is low in smoke density and environmentally friendly.

The invention relates to the technical field of glass fiber reinforced composite materials, and discloses a glass fiber reinforced plastic wiredrawing plate and a processing method thereof.The glass fiber reinforced plastic wiredrawing plate comprises an outer gel coat layer and an inner fiber reinforced matrix layer, benzotriazole type nano silicon dioxide is prepared and added into the outer gel coat layer of the glass fiber reinforced plastic wiredrawing plate, and the glass fiber reinforced plastic wiredrawing plate is obtained. The gel coat layer takes unsaturated polyester resin as a base material, on one hand, nano silicon dioxide has good compatibility with the unsaturated polyester resin after being modified, the wear resistance of the unsaturated polyester resin can be improved, and on the other hand, the unsaturated polyester resin easily initiates degradation of molecular chains under the action of ultraviolet light, so that the wear resistance of the gel coat layer is improved. By introducing the benzotriazole type ultraviolet absorber, the influence of ultraviolet light on the unsaturated polyester resin can be remarkably reduced, and the weather resistance of the unsaturated polyester resin is improved, so that the glass fiber reinforced plastic wire-drawing plate can maintain stable performance and complete structure in an outdoor environment.

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.

The invention provides an organic hypophosphite flame retardant as shown in a formula (I). Compared with the prior art, the flame retardant provided by the invention contains aryl, is high in stability, relatively high in phosphorus content and relatively high in flame retardance, can be used for flame retardance of various high polymer materials such as polyurethane, epoxy resin and unsaturated polyester, and can endow the polyurethane material with good flame-retardant stability and good mechanical properties especially when being applied to polyurethane.

The invention belongs to the technical field of unsaturated polyester resin materials, and particularly relates to an unsaturated polyester resin material containing a potassium bromide composite accelerant and a preparation method of the unsaturated polyester resin material. The unsaturated polyester resin material containing the potassium bromide composite accelerant comprises the following raw materials: unsaturated polyester resin, the composite accelerant and an initiator, the unsaturated polyester resin is prepared from the following raw materials: dihydric alcohol, saturated dibasic acid, unsaturated dibasic acid, a polymerization inhibitor, an antioxidant and styrene. According to the unsaturated polyester resin material containing the potassium bromide composite accelerator, the composite accelerator is adopted to catalyze isomerization crosslinking of the unsaturated polyester resin, so that the curing speed of the unsaturated polyester resin is increased, the production efficiency is ensured, and the production cost is reduced; the bending strength and the bending modulus of the product prepared by adopting the composite accelerant are improved, and the impact resistance of the product is enhanced; the invention further provides a preparation method, and the preparation process is simple.

The invention discloses an anti-skid resin type artificial stone material which comprises the following raw materials in parts by weight: 10 parts of composite resin, 55-70 parts of modified stone aggregate, 10-25 parts of needle-like wollastonite, 0.4-0.8 part of a curing agent, 0.05-0.2 part of a catalyst and 0.05-0.2 part of a light stabilizer, the composite resin comprises unsaturated polyester resin and an anti-skid filler in a mass ratio of 9: 1-7: 3, and the anti-skid resin type artificial stone material is prepared from the following raw materials in parts by weight: 10 parts of modified stone aggregate, 10-25 parts of needle-like wollastonite, 0.4-0.8 part of a curing agent, 0.05-0.2 part of a catalyst and 0.05-0.2 part of a light stabilizer. The anti-skid filler is one of ethylene glycol acrylate, glyceryl acrylate and acrylic acid modified sorbitol, the modified stone aggregate is formed by modifying stone aggregate through a stone aggregate modifier, and the catalyst is one of cobalt naphthenate, cobalt iso-octoate and manganese iso-octoate. The invention further discloses a preparation method of the anti-skid resin type artificial stone material, optimization balance of the anti-skid performance and other key performance of the artificial stone material is achieved, the application value of the artificial stone material in building decoration can be improved, and the safety and attractiveness of building space can be remarkably improved.

The invention provides a glass fiber impregnating compound pipeline cleaning agent which comprises the following components in percentage by weight: 20-60% of a main solvent, 20-60% of an auxiliary solvent, 10-30% of a solvent and the balance of water. 10-35% of an auxiliary solvent; 1-12% of an activator; 0.2 to 10% of a surfactant; 10 to 40 percent of water; wherein the main solvent is an ether solvent which has good solubility on epoxy resin and polyurethane in the impregnating compound; the auxiliary solvent is an ester solvent which has a good dissolving effect on polyunsaturated polyester and PVAc; and the cosolvent is an alkaline substance. By adopting the green water-based cleaning agent, dirt in a glass fiber impregnating compound pipeline can be quickly and thoroughly removed, and no substance harmful to human health and unfriendly to the environment is left.

The invention provides a preparation method of a glass reinforced concrete pipe and the glass reinforced concrete pipe, and relates to the technical field of water pipe structures.The method comprises the steps that a concrete material and composite reinforcing ribs are prepared; binding the composite reinforcing ribs to obtain a reinforced framework; placing the reinforced framework in a specified mold, and then pouring a concrete material to obtain a glass reinforced concrete pipe; wherein the concrete material comprises shale ceramisite, and the mass ratio of the shale ceramisite is 27.4%-30.3%; the composite reinforcing ribs comprise alkali-free untwisted glass fiber continuous roving and unsaturated polyester resin. According to the invention, the shale ceramsite is used for replacing stone aggregate in the prior art, and the framework is prepared from the composite reinforcing ribs prepared from the alkali-free untwisted glass fiber continuous roving and the unsaturated polyester resin to replace a steel bar framework in the prior art, so that the compressive strength and the impermeability are improved, and meanwhile, the self weight is reduced; and the technical problem that the framework is easy to rust is solved, and long-term safety and reliability of actual engineering are guaranteed.

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.