279 results about "Unsaturated polyester" patented technology

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.

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 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.

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 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 provides a high-toughness bundling grating and a production process of the high-toughness bundling grating. The composite material is prepared from the following raw materials in parts by weight: 32 to 42 parts of epoxy modified unsaturated polyester resin, 26 to 36 parts of alkali-free glass fiber, 7 to 11 parts of metallocene polyolefin, 5 to 9 parts of high-branching-degree polyolefin, 4 to 8 parts of ethylene propylene diene monomer, 2.5 to 5.5 parts of core-shell structure elastomer toughening agent, 1.5 to 4.5 parts of modified nano aluminum nitride-graphene composite filler, 0.7 to 1.1 parts of silane coupling agent and 0.5 to 0.9 part of antioxidant. 0.4 to 0.7 part of ultraviolet stabilizer, 0.4 to 0.8 part of calcium stearate and 0.1 to 0.3 part of conductive additive. According to the invention, the core-shell structure elastomer toughening agent realizes toughening without damaging strength through core-shell synergy, and the impact strength is improved by 40% or above; the modified nano aluminum nitride-graphene composite filler constructs a heat conduction-antistatic network, and the modified nano aluminum nitride-graphene composite filler and the metallocene polyolefin are matched with the high-branching-degree polyolefin and the ethylene propylene diene monomer to enhance low-temperature toughness and creep resistance.

The invention provides bio-based hyperbranched unsaturated polyester, a UV curing coating and application of the bio-based hyperbranched unsaturated polyester and the UV curing coating. The bio-based hyperbranched unsaturated polyester is obtained through polycondensation of preparation raw materials including bio-based hydroxyl-terminated hyperbranched polyester, unsaturated binary acid and / or anhydride thereof and maleic acid modified polyolefin. The preparation raw materials of the UV curing coating comprise the following components in parts by weight: 20-60 parts of bio-based hyperbranched unsaturated polyester, 20-80 parts of an active diluent monomer and 2-7 parts of a photoinitiator. The hyperbranched unsaturated polyester disclosed by the invention is high in reaction activity, low in viscosity and low in shrinkage rate; the UV coating prepared from the resin is low in viscosity and can be coated in a roller coating mode, a cured coating is compact, MEK wiping resistance reaches more than 1000 times, glossiness attenuation is lower than 10% after UVB illumination is adopted for 1600 h, haze is lower than 1%, hardness and abrasion resistance are excellent, adhesive force to multiple base materials is good, and the UV coating is very suitable for being applied to optical films.

The invention relates to the technical field of cutting tools, and particularly discloses a cutting disc and a manufacturing method thereof, and the cutting disc comprises the following raw materials: liquid resin, a curing agent, reinforced fibers, an abrasive material and a filler. The reinforced fiber is one or a combination of more of glass fiber, carbon fiber and the like; the grinding material is one or a combination of more of white corundum, diamond and the like; the filler is one or a combination of more of molybdenum disulfide, copper powder and the like; the liquid resin can be a combination of epoxy resin E-44 and the like or a combination of unsaturated polyester and the like; the curing agent is selected from combination of dicyandiamide and the like or MEKP and the like according to the type of the liquid resin. The manufacturing method comprises the following steps: uniformly mixing the raw materials, carrying out hot press molding, carrying out secondary hardening, and finally thinning the hardened product to the thickness of 0.1-0.35 mm. The cutting blade is high in strength, good in wear resistance, controllable in thickness and capable of meeting the cutting requirements of different industries.

The invention discloses a glass fiber reinforced plastic as well as a preparation method and application thereof, belongs to the field of building energy-saving composite materials, and aims to solve the problems that the interface of the existing glass fiber reinforced plastic for glass fiber reinforced plastic doors and windows is easy to hydrolyze, and the mechanical property conflicts with the thermal insulation property. Raw materials of the material comprise epoxy modified unsaturated polyester resin, S-glass fiber cloth, a silane-titanate composite treating agent, core-shell structure glass beads and the like, and the material is prepared through fiber composite modification, bead preparation and composite molding. The interface stability is improved through bifunctional group modification, heat conduction is reduced through core-shell and particle size grading microspheres, mechanical support is guaranteed through S-glass fibers, the tensile strength is larger than or equal to 85 MPa, the heat conductivity coefficient is smaller than or equal to 0.09 W / (mK), glass fiber reinforced plastic door and window manufacturing is adapted, existing equipment is reused, and the high-efficiency and energy-saving industry direction is met.

The utility model relates to the technical field of material testing, and discloses an unsaturated polyester resin viscosity testing device which comprises a fixing block and a support, a stirring assembly is arranged on the right side of the support, a connecting column is fixedly connected to the bottom of the fixing block, and a telescopic assembly is arranged in the connecting column; the stirring assembly comprises a motor fixedly connected to the right side of the support, and the driving end of the motor is rotationally connected with a second gear. According to the unsaturated polyester resin viscosity testing device, when the viscosity of resin needs to be detected, a second gear is driven to rotate through the driving end of a motor, the second gear drives two first gears through rotation, and the first gears drive a shell and a fixing plate in the rotation process to stir the viscosity of the resin; the viscosity of resin on the inner side of the water tank can be cleaned through the mounting blocks on the front side and the rear side of the shell and the brush during stirring, various components in the resin can be fully mixed through stirring, local concentration difference is avoided, and the viscosity detection is more accurate.

The invention discloses a sheet molding compound for a torrent swimming pool wall. The sheet molding compound is prepared from the following raw materials: isophthalic resin, hyperbranched unsaturated polyester, a low-shrinkage additive, a curing agent, a release agent, a polymerization inhibitor, a thickening agent, a diluent, fibers and filler, the isophthalic resin is prepared from isophthalic acid, fumaric acid, neopentyl glycol and 1, 2-propylene glycol through a two-step process under the action of a catalyst and an initiator; the hyperbranched unsaturated polyester is obtained by sequentially grafting pentaerythritol serving as a central monomer with bis (hydroxymethyl) propionic acid serving as a branched monomer and lauric acid for low viscosity and carrying out end-capping modification with acrylic acid. The mechanical property and the water resistance of the isophthalic resin are optimized through the compounding and preparation steps of the isophthalic resin raw materials; the hyperbranched unsaturated polyester and the isophthalic resin have good compatibility in compounding, the viscosity of the raw materials is adjusted, and the mechanical property and the heat resistance of the product are further optimized after crosslinking.

A carbon fiber reinforced composite material includes carbon fiber and a thermosetting resin composition. The thermosetting resin composition is a cured product of a liquid composition that contains unsaturated polyester, a curing agent, a polymerization initiator, and a nanocarbon / nanocellulose complex containing nanocarbon modified by functional a group and nanocellulose. The nanocarbon / nanocellulose complex is dispersed in the thermosetting resin composition. The thermosetting resin composition contains 0.05 to 15% by weight of the nanocarbon / nanocellulose complex. A maximum point stress of the carbon fiber reinforced composite material in a tensile test according to JIS K 7164 is 410 N / mm2 or more. A maximum point stress of the carbon fiber reinforced composite material in a three-point bending test according to JIS K 7171 is 310 N / mm2 or more.

The present invention provides a thermosetting resin composition for electromagnetic wave shielding, a bulk molding compound, and a molded product thereof, which are excellent in fluidity, injection molding property, compression molding property, and in which a molded product excellent in electromagnetic wave shielding property can be obtained. The thermosetting resin composition for electromagnetic wave shielding is characterized by containing a thermosetting resin (A) containing an unsaturated polyester resin (a1) and a vinyl ester resin (a2), a low shrinkage agent (B), a thickening agent (C) containing acrylic resin particles (c1) and magnesium oxide (c2), a thermally conductive filler (D), and a reinforcing material (E).

The utility model discloses a dilution kettle for unsaturated polyester resin production, which comprises a kettle body, the lower end of the kettle body is fixedly connected with a support rod, the bottom of the kettle body is fixedly connected with a feed opening, the upper end of the kettle body is fixedly connected with a driving motor, the outer side of the output end of the driving motor is fixedly connected with a bevel gear I, and the bevel gear I is fixedly connected with a bevel gear II. And the interior of the kettle body is rotationally connected with a rotating pipe through a bearing. By designing the effect of the driving motor, the output end of the driving motor can drive the first bevel gear to rotate, then the second bevel gear and the rotating pipe can rotate, mixed liquid can be stirred during dilution, water can be fed into the rotating pipe through the water pump in the dilution process, and the dilution efficiency is improved. Water can be directly output into the mixed liquid in the kettle body through the water outlet, so that the contact between the water and the mixed liquid is more uniform, the dilution efficiency is favorably improved, and a baffle plate is arranged in the water outlet, so that the mixed liquid can be prevented from flowing backwards into the rotating pipe.

This invention discloses a BMC material for preparing food contact products and its preparation method. The material comprises the following components by mass percentage: 12%–20% food contact grade styrene-based unsaturated polyester resin (compliant with GB 4806.7-2016); 3%–10% solvent-free PMMA powder; 0.5%–1% zinc stearate; 0.2%–0.6% curing agent TBIC; 0.01%–0.1% polymerization inhibitor TBHQ; 0.01%–0.05% stabilizer BHT; 20%–45% calcium carbonate; 10%–40% aluminum hydroxide; and 5%–10% glass fiber. This invention, by using low-cost food contact grade styrene-based resin combined with solvent-free PMMA powder and optimizing the ratio of TBIC to TBHQ, achieves near-zero styrene monomer residue in the product while reducing costs. This effectively solves the problems of high cost, difficulty in processability adjustment, and monomer residue risk associated with traditional food contact grade BMC materials. The cost of the resulting material can be controlled below 7 yuan / kg, and it has both flame-retardant and high-strength properties, making it a widely viable alternative to traditional food contact grade plastics.

The invention belongs to the technical field of powder coatings, and particularly relates to an ultraviolet curing coal series kaolin powder coating and a preparation method thereof. In order to make full use of titanium resources and achieve excellent coating performance, coal gangue calcined kaolin and titanium dioxide in a mass ratio of 1: 1 are used and are directly mixed under the action of mechanical shearing force; and then mixing with unsaturated polyester resin, a photoinitiator, a flatting agent, a degassing agent and a defoaming agent to prepare the ultraviolet curing powder coating which has the advantages of high hardness, good impact resistance and excellent chemical resistance.

The application belongs to the technical field of coatings, and particularly relates to a putty based on ultraviolet light curing resin and a preparation method and application thereof. The putty based on ultraviolet light curing resin comprises, by mass fraction, 30-50 parts of ultraviolet light curing resin, 25-45 parts of fillers, 3-6 parts of diluents, 3-6 parts of poly(methyl methacrylate-co-methyl methacrylate), and 0.05-1.5 parts of a photoinitiator. The ultraviolet light curing resin comprises a light curing unsaturated polyester resin and a polyester acrylate. The fillers comprise antioxidants / halloysite nanotubes / basalt fibers, nano calcium carbonate, and nano zirconium oxide. The putty based on ultraviolet light curing resin has good adhesion, flexibility, impact resistance, heat resistance, and high and low temperature resistance, and can be applied in the fields of automobile repair and furniture manufacturing.

The application discloses a glass fiber sizing agent for molded grating, which comprises effective components and water, and the solid content of the sizing agent is 6-9%, and the percentage of the solid mass of the effective components in the total solid mass of the sizing agent is as follows: 5.0-12.0% of silane coupling agent A; 2.0-7.0% of silane coupling agent B; 20.0-45.0% of film forming agent A; 20.0-44.0% of film forming agent B; 10.0-17.0% of film forming agent C; 3.0-8.0% of lubricant; and 1.0-6.0% of pH value regulator; wherein the film forming agent A is a vinyl acetate-vinyl copolymer emulsion, the film forming agent B is a bisphenol F epoxy resin emulsion, and the film forming agent C is a modified polyester resin emulsion. The glass fiber coated by the sizing agent has good yarn smoothness, easy dispersion, good fusing property and flexibility, is not easy to be abraded, has good compatibility with unsaturated polyester resin, has fast penetration speed, has good use smoothness, and meets the process requirements of molded glass steel grating production, and the molded glass steel grating prepared from the sizing agent has excellent shearing resistance.

The invention discloses bio-based unsaturated polyester resin for a high-thermal-conductivity powder coating, a preparation method of the bio-based unsaturated polyester resin, a powder coating composition and a high-thermal-conductivity coating. The bio-based unsaturated polyester resin for the high-thermal-conductivity powder coating is characterized by comprising the following components: A) unsaturated binary acid / anhydride; b) saturated binary acid / anhydride; c) a diol comprising from 30 to 70 mol% of isosorbide, from 20 to 50 mol% of bio-based 1, 3-propanediol and / or 1, 4-butanediol, and from 0 to 20 mol% of an auxiliary diol selected from one or more of ethylene glycol, neopentyl glycol, hydrogenated bisphenol A; d) an esterification catalyst; and a polymerization inhibitor. According to the bio-based unsaturated polyester resin for the high-thermal-conductivity powder coating, through unconventional bio-based monomers and a special molecular structure design, on the premise of ensuring proper Tg and processability, consideration of high bio-based content and high thermal conductivity is realized.

The invention provides material putty for a vehicle body and a preparation method of the material putty, the material putty for the vehicle body comprises a component A and a component B. The component A comprises air-drying unsaturated polyester resin, super-soft unsaturated polyester resin, a functional diluting cross-linking agent, filler and multiple auxiliaries; the component B comprises peroxide and fumed silica, the invention provides a preparation method of the putty, and the prepared putty product has excellent impact resistance, polishing property and temperature change resistance, is green and environment-friendly, and can well meet the requirements of the putty material for the vehicle body.

The invention relates to a magnesium- aluminium layered double hydroxide (Mg-Al LDH) based filler product comprising boron and functionalised with phosphocholine chloride calcium salt tetrahydrate (PC), the synthesis method of this filler product, and obtaining a new material by preparing a composite material of this filler product, which has antibacterial activity, with a thermoplastic polymer or thermosetting polymer. In the production of the composite material that is the subject of the invention, as the polymer, preferably unsaturated polyester resin (DPes) is used. The composite material comprising the filler product of the invention has the feature of preventing bacterial adhesion / biofilm formation. Said material has the potential to be used for various applications, including medical devices, industrial processes, food production, storage and sales areas, food contact surfaces, areas requiring cleaning and hygiene, and different surface materials.

The application belongs to the technical field of polymer composites, and provides a high-strength anti-fatigue continuous aramid fiber / unsaturated polyester resin composite material and a preparation method thereof. The high-strength anti-fatigue continuous aramid fiber / unsaturated polyester resin composite material is prepared by taking unsaturated polyester resin as a matrix, taking polyethylene imine-polydopamine modified continuous aramid fiber as a reinforcing body, and using Michael addition reaction and Schiff base reaction of polydopamine and polyethylene imine to graft polydopamine and polyethylene imine onto the continuous aramid fiber, and at the same time, the modified continuous aramid fiber is arranged in the collagen fiber arrangement structure of the dense bone, so that the high-strength anti-fatigue continuous aramid fiber / unsaturated polyester resin composite material is prepared. The interfacial bonding strength reaches 40.60 MPa, the tensile strength reaches 959.07 MPa, the fatigue life under 600 MPa reaches 760,000 times, the fatigue life under 500 MPa reaches 10,470,000 times, and the fatigue life under 400 MPa reaches 87,100,000 times.

The invention provides terminated branched unsaturated polyester suitable for light-cured glass fiber reinforced plastic as well as a preparation method and application of the terminated branched unsaturated polyester. The method comprises the following steps: mixing saturated dicarboxylic acid, unsaturated dicarboxylic acid, saturated tricarboxylic acid, saturated dihydric alcohol and an antioxidant, and carrying out condensation reaction to obtain unterminated branched unsaturated polyester; and mixing the obtained unterminated branched unsaturated polyester with an aminated silane coupling agent and a condensing agent, and carrying out an amidation reaction to obtain the terminated branched unsaturated polyester. The end-capped branched unsaturated polyester prepared by the invention has the characteristics of low viscosity and high transparency; the resin system contains silicon hydroxyl, so that the resin system is endowed with thixotropic property while the interaction with the glass fiber is facilitated; by changing the variety and dosage of the synthetic raw materials, the molecular weight, the branched structure and the number of silicon hydroxyl contained in a molecular chain can be adjusted, so that the prepared unsaturated polyester has wide application prospects in the fields of mold pressing, lamination, hand lay-up and injection molding of light-cured glass fiber reinforced plastics.

This invention belongs to the field of coating technology and relates to a high-temperature resistant CHPO curable putty and its preparation method, which comprises the following components: unsaturated polyester resin, styrene, cobalt isooctanoate, dimethylaniline, high-temperature resistant composite dispersant, hydrogenated castor oil, silica, rutile titanium dioxide, talc, and curing agent.

The invention relates to the field of household appliance plastic packaging materials, in particular to a high-temperature-yellowing-resistant unsaturated polyester resin molding compound based on a nano material and a preparation method of the high-temperature-yellowing-resistant unsaturated polyester resin molding compound. The composition comprises the following components in parts by weight: 60-75 parts of unsaturated polyester resin; 25-40 parts of a low shrinkage agent; 1-3 parts of a nano material; 1-3 parts of an organic antioxidant; 3-5 parts of an internal release agent; 1-2 parts of a curing agent; 280 to 300 parts of a filler; 55 to 65 parts of chopped glass fiber; the high-temperature-yellowing-resistant unsaturated polyester resin molding compound has long-acting high-temperature-yellowing-resistant performance, cerium oxide reacts with phosphite ester at high temperature, P (I) in the phosphite ester has strong reducibility, tetravalent cerium ions in CeO2 have strong oxidizability, a complex containing Ce-P-O bonds is generated, and therefore the molding compound can be used for preparing the high-temperature-yellowing-resistant unsaturated polyester resin molding compound. Compared with single CeO2 or phosphite ester, the compound shows stronger free radical capturing capacity, and alkyl free radicals and alkoxy free radicals can be more effectively quenched; and the capability of decomposing hydroperoxide is far better than that of independent phosphite ester and cerium oxide.

The invention discloses a pumpable resin anchoring agent for mounting a mine tunnel anchor rod and a pumping device of the pumpable resin anchoring agent, and relates to the field of mine anchor rod mounting devices. Comprising the following components in parts by weight: 100-120 parts of unsaturated polyester resin, 1-3 parts of an accelerant, 1-10 parts of a thixotropic agent, 300-400 parts of superfine modified filler, 2-5 parts of a silane coupling agent, 3-6 parts of a low-shrinkage additive, 1-3 parts of a wetting dispersant and 1-2 parts of a styrene inhibitor; the catalyst component is prepared from the following components in parts by weight: 10 to 15 parts of benzoyl peroxide, 10 to 15 parts of dibutyl phthalate, 5 to 10 parts of a composite initiator, 0.5 to 1.5 parts of a thickening agent, 0.1 to 0.3 part of zinc stearate and 100 to 120 parts of deionized water; during construction, a resin component and a catalyst component are mixed according to the mass ratio of 100: (10-20), and are conveyed and injected into a drill hole through a pumping device; by matching with the pumping device with the rotary groove cutting, multi-channel grouting and pressure monitoring functions, active leaking stoppage, accurate isolation and efficient anchoring of irregular drill holes of a mine tunnel are achieved, and the sealing performance, stability and construction efficiency of anchor rod installation are greatly improved.

This invention relates to the field of polymer composite materials technology, and discloses a material and manufacturing process for resistance to damage and staining. The manufacturing process includes: weighing unsaturated polyester resin, aluminum hydroxide and / or magnesium hydroxide, quartz powder and / or calcium carbonate, organically modified montmorillonite, ammonium polyphosphate crystal form II, and anhydrous calcium borate according to the formula, mixing them to form a homogeneous slurry, then casting it into a gel mold, and finally curing and demolding it to obtain the product. This invention uses high aspect ratio organically modified montmorillonite sheets to fill the micropores on the surface of the product, and uses anhydrous calcium borate to replace zinc borate containing crystal water to eliminate pores during the curing stage. The two work synergistically to reduce surface porosity and achieve long-lasting stain resistance; using extremely low water solubility ammonium polyphosphate crystal form II to replace water-soluble phosphates ensures long-term stable flame retardant performance and batch consistency; the absence of anhydrous calcium borate eliminates interference with curing accelerators, resulting in stable molding quality; and each flame-retardant component takes effect sequentially in the low-temperature, medium-temperature, and high-temperature ranges, forming continuous flame-retardant protection across the entire temperature range.