985 results about "Phosphoric Acid Esters" patented technology

The invention discloses a flame-retardant reinforced polycarbonate composite material and a preparation method thereof, and belongs to the technical field of polycarbonate composites.The flame-retardant reinforced polycarbonate composite material comprises 70%-90% of polycarbonate resin, the polycarbonate resin is aromatic polycarbonate with the viscosity average molecular weight ranging from 20000 to 35000; the glass fiber is alkali-free chopped E glass fiber, and the surface of the glass fiber is treated by an amino silane coupling agent; the flame retardant comprises 5-15% of a phosphorus-nitrogen-silicon composite flame retardant, the composite flame retardant is a synergistic system formed by physically premixing a phosphate ester compound, a nitrogen charring agent and a silicone polymer, and the phosphate ester compound plays a role in gas-phase flame retardance and partial condensed-phase flame retardance during combustion. By adopting a phosphorus-nitrogen-silicon composite flame-retardant synergistic system, high flame-retardant efficiency is realized under the condition of low additive amount, the halogen-free and environment-friendly effects are realized, and the environmental and health hidden dangers of the traditional brominated flame retardant are overcome.

An extreme-cold resistant low-fume halogen-free flame-retardant polyolefin sheath, a preparation method therefor, and a cable. The sheath comprises the following raw materials in parts by mass: 4-16 parts of an ethylene-vinyl acetate copolymer, 7-13 parts of a phosphate group functionalized linear low-density polyethylene, 9-15 parts of an ethylene-octene copolymer, 5-10 parts of a maleic anhydride-grafted ethylene-methyl methacrylate copolymer, 10-15 parts of magnesium hydroxide, 40-50 parts of aluminum hydroxide, etc. The preparation method for the phosphate group functionalized linear low-density polyethylene comprises: adding a catalyst to a pre-cooled ethylene monomer, adding a vinyl phosphate ester and an initiator after the reaction, and reacting for 1-2 hours at a temperature of 65-75°C and a pressure of 15-35 Mpa and then terminating the reaction, thereby obtaining the phosphate group functionalized linear low-density polyethylene. Compared with unfunctionalized polyethylene, the phosphate group functionalized polyethylene used has greatly improved low-temperature and flame-retardant performance, and can improve the overall flame-retardant and low-temperature performance of the formula.

The invention discloses hydrolysis-resistant liquid phosphite ester and a preparation method and application thereof.The hydrolysis-resistant liquid phosphite ester is prepared by the steps that 2, 2, 4-trimethyl-1, 3-pentanediol and phosphorus trichloride or phosphite triester serve as raw materials, a cyclization reaction is conducted firstly, and then the hydrolysis-resistant liquid phosphite ester is obtained; and then carrying out nucleophilic substitution on Cl or aryl and alkyl on the cyclized intermediate by using higher saturated monohydric alcohol with more than C8, wherein the molecular structure is as shown in formula I in the specification. The liquid phosphite ester is novel liquid phosphite ester, the main body of the liquid phosphite ester is of a six-membered ring structure, the basic structure of the phosphite ester is reserved to the maximum extent, and the anti-oxidation effect of the phosphite ester is guaranteed; hydrophobic aliphatic chain structures on phosphorus atoms and branched chains of the phosphorus atoms prevent water molecules from approaching P-O bonds, so that the phosphorus atoms and the branched chains are prevented from being attacked by the water molecules, and the hydrolysis resistance is improved under the conditions that any additional amine hydrolysis-resistant agent is not used and any steric hindrance group is not introduced; good practical value, economic value and market prospect are realized.

The invention relates to the technical field of rare earth element separation methods, in particular to a method for separating ytterbium and lutetium by using a phosphate adsorbent, which comprises the following steps: loading a phosphate solution on a porous solid-phase carrier by using a vacuum impregnation method, and carrying out reduced pressure evaporation and drying to obtain a phosphate solid adsorbent; filling an exchange column with the solid adsorbent to obtain the exchange column filled with the solid adsorbent; enabling a nitric acid solution containing ytterbium and lutetium to flow through an exchange column filled with a solid adsorbent to complete a column adsorption process; and performing elution, performing desorption by using a desorption solution to obtain the regenerated exchange column filled with the solid adsorbent, respectively collecting the ytterbium solution and the lutetium solution, completing the separation process, and repeating the steps. By adopting the steps, the separation of ytterbium and lutetium is directly realized from the nitric acid solution containing ytterbium Yb and lutetium Lu through column adsorption separation, leaching and desorption processes, and high-purity ytterbium and lutetium products are prepared.

The invention discloses a difunctional polyion liquid binder as well as a preparation method and application thereof, and belongs to the technical field of solid-state battery materials. The simple formula of the structure of the binder is poly ([VEIm] [FSI]-co-[UPhos]) modified by trifluoroacetoxy, wherein [VEIm] [FSI] represents an ionic liquid monomer unit consisting of 1-vinyl-3-ethylimidazolium cations and bis (fluorosulfonyl) imide anions; [UPhos] represents an ethylenically unsaturated phosphate ester monomer unit. The method is based on the ionic liquid, and the ionic liquid is polymerized by utilizing an initiator at a relatively high temperature. Diffusion and transmission of Li ions in the electrode material are effectively improved, and the internal resistance of the battery is reduced, so that the specific capacity and the cycling stability of the battery are improved.

The invention discloses flame-retardant polyurethane foam containing a halogen-free phosphorus flame retardant and a preparation method of the flame-retardant polyurethane foam. The flame-retardant polyurethane foam comprises the following components in percentage by weight: 60-150 parts of isocyanate, 100 parts of polyol, 10-30 parts of a phosphorus flame retardant composition and 5-38 parts of an auxiliary agent, and the density of the flame-retardant polyurethane foam is 10-120kg / m < 3 >; the phosphorus flame retardant composition comprises a phosphaphenanthrene flame retardant and a phosphate flame retardant, the phosphaphenanthrene flame retardant is a derivative of 9, 10-dihydro-9-oxa-10-phosphaphenanthrene oxide, and the phosphate flame retardant is poly-type phosphate; according to the invention, the phosphaphenanthrene derivative flame retardant with the active group hydroxyl and the polyphosphate type flame retardant are compounded and then used for flame retardant polyurethane foam, and the obtained polyurethane foam has the advantages of good flame retardant property, high oxygen index, good flame retardant property, good stability, excellent mechanical properties and good dimensional stability, and the flame retardant is not easy to migrate out.

The present invention provides a method for producing ribose-1-phosphate that is simple and yields improved efficiency. [Solution] A method for producing ribose-1-phosphate, comprising a contact step to produce ribose-1-phosphate and hypoxanthine by contacting inosine, a phosphate donor, an enzyme having purine nucleoside phosphorylase activity, and a medium in a reaction solution containing inosine, a phosphate donor, an enzyme having purine nucleoside phosphorylase activity, and a medium, wherein in the contact step, the hypoxanthine is present in an amount exceeding the saturation concentration relative to the medium.

The invention relates to the technical field of flash fire lifting agents, and discloses a flash fire lifting agent of an electrolyte of a boron-free aluminum electrolytic capacitor and a preparation method of the flash fire lifting agent, and the flash fire lifting agent comprises the following components in percentage by mass: 10-30% of organic ammonium carboxylate; 5%-15% of a nitro compound; 3%-10% of a phosphate ester compound; 2%-8% of a polyethylene glycol derivative; 0.5%-3% of organic siloxane; and the balance of deionized water. Through the synergistic effect of the organic ammonium carboxylate, the nitro compound, the phosphate ester substance and the organosiloxane in a specific proportion, the sparking voltage of the electrolyte is remarkably improved, and the negative effects of boron elements on the environment and the performance of a capacitor are avoided; a nitro compound is used as an electron acceptor to inhibit hydrogen precipitation, and cooperates with phosphate to fill oxide film micropores and block current concentration; the organic siloxane forms a hydrophobic barrier on an electrode interface, electrolyte decomposition is delayed, the organic carboxylic acid ammonium salt accurately controls the free acid concentration, and the conductivity rise caused by hydrogen ion migration is avoided.

The invention discloses a flame-retardant low-VOCs aqueous adhesive and a preparation method thereof. The preparation method comprises the following steps: S1, preparing a pre-emulsion; S2, synthesizing a resin emulsion; S3, preparing a flame-retardant dispersion; the phosphate flame-retardant monomer participates in the copolymerization reaction of acrylate, and cooperates with hyperbranched ammonium polyphosphate and zinc borate to form a condensed phase and gas phase dual flame-retardant barrier; hydroxyl-containing phosphate is embedded into a solvent-free polyurethane curing agent system, so that aliphatic diisocyanate synchronously completes crosslinking, flame retardance and thickening under the action of an organic tin catalyst, and VOCs introduced by a traditional thickening agent are eliminated from the source; the final value of the NCO content is accurately controlled through a synchronous dropwise adding process and dynamic monitoring of the NCO content, so that the viscosity is stable, and sedimentation and layering are avoided; the long-standing contradiction of high flame retardance, namely high VOCs, and strong adhesion, namely weak constructability, in the field of waterborne adhesives is solved.

The invention discloses a preparation process of polyether-ether-ketone, and relates to the technical field of preparation of inorganic compounds. The preparation process comprises the following steps: reacting 4, 4 '-difluorobenzophenone, sodium carbonate and hydroquinone to generate polyether-ether-ketone, taking a polyaryletherketone block oligomer as an end-capping reagent, reacting 4, 4'-difluorobenzophenone with 4, 4 '-dimercaptodiphenyl sulfone, and then reacting with pentaerythritol phosphate to obtain the polyaryletherketone block oligomer. The thioester bond reversibly breaks at the polymerization temperature, exposed active sulfenyl reacts with hydroxyl at the tail end of the polyether-ether-ketone to form a more stable covalent bond, volatilization of the end-capping reagent is avoided, meanwhile, the initial decomposition temperature of the end-capped polyether-ether-ketone is increased, and the stability of the end-capping reagent is improved. The polyether-ether-ketone generated in the polyether-ether-ketone resin product is subjected to treatment procedures of crushing, organic solvent extraction, water washing, filtering, drying and the like, so that the product polyether-ether-ketone is obtained, less three wastes are generated, the solvent can be recycled, the atom economy is relatively high, and the preparation process of comprehensive utilization of resources is realized.

The invention relates to the technical field of batteries, in particular to molecular cage electrolyte for a sodium ion battery, a preparation method of the molecular cage electrolyte and the battery. The preparation method comprises the following steps: mixing a metal organic polyhedron with a safe solvent, and completing cage-entering coordination to obtain a prefabricated solution; mixing the pre-prepared solution with an electrolyte salt solution to prepare an electrolyte; wherein the metal organic polyhedron comprises at least one of a copper-based cage, a uranium-based cage, a zirconium-based cage, a chromium-based cage, a zinc-based cage, a magnesium-based cage, a rhodium-based cage and a lanthanum-based cage; the safe solvent comprises at least one of a phosphate ester solvent, a phosphite ester solvent, a sulfone solvent, a fluorosulfone solvent, a fluorophosphate ester solvent and a phosphazene solvent; the electrolyte salt solution comprises an electrolyte salt, an organic solvent and a functional additive. According to the electrolyte prepared by the preparation method, the thermal safety performance of the battery can be improved, and the electrochemical performance of the battery can also be improved.

The invention relates to high-heat-resistance polypropylene and a preparation method thereof, and belongs to the technical field of high polymer materials. The preparation method comprises the following steps: carrying out Michael addition reaction on 2-sulfydryl-1, 3-propylene glycol and vinyl dibutyl borate to prepare dihydric alcohol containing thioether and phosphate, and carrying out polymerization reaction on 1, 12-dodecanediol, boric acid ester dihydric alcohol and dimethyldichlorosilane to obtain the flame retardant. A polymer containing a borate group, a thioether group, organic silicon and a dodecane glycol ester group is prepared, the polymer is used as a heat-resistant toughening additive of polypropylene, the borate group and the organic silicon can improve the heat resistance and flame retardance of the polypropylene, and the thioether group and the dodecane glycol ester group can provide flexibility; therefore, the polypropylene is ensured to have good mechanical strength, heat resistance and flame retardance at the same time.

The present invention relates to an enzymatically catalyzed method for producing L-glufosinate or a phosphoester thereof. The method includes reacting an activated L-homoserine HA with a substrate S selected from methylphosphinic acid and esters thereof. Sulfhydrylase enzyme E1 is used for the enzymatic catalysis. The invention makes accessible new substrates for the enzymatic production of L-glufosinate and its phosphoesters.

The object of the present invention is to provide a novel ascorbic acid derivative with excellent stability, and its applications. [Solution] A compound (compound of general formula (1) below) is used, in which a phosphocholine group is introduced to the hydroxyl group at the 2 position of ascorbic acid via a phosphate ester bond. The ascorbic acid derivative of the present invention has excellent whitening and antioxidant properties, and is also highly stable. Therefore, the ascorbic acid derivative of the present invention can be preferably used as an active ingredient in cosmetics and topical skin preparations. TIFF2026055124000012.tif39101

This invention discloses a method for synthesizing dialkylphosphinates, belonging to the field of organic synthesis technology. The method uses hypophosphite and haloalkanes as starting materials. First, a hypophosphite is generated through a heated and pressurized reaction under the action of a phase transfer catalyst. The obtained hypophosphite does not require complex purification; it is directly reacted with an olefin under heated and pressurized conditions in the presence of a free radical initiator to obtain the target product, dialkylphosphinate. The method of this invention uses inexpensive and readily available raw materials, has a simple process route, includes only two core reactions, operates under mild conditions, is safe and convenient, produces few and easily treatable byproducts, has a high product yield, and is simple to purify. It is very suitable for large-scale industrial production, providing an economical and efficient synthetic route for the preparation of high-performance halogen-free flame retardants.

A glass fiber-reinforced thermoplastic polymer composition comprising a sheathed continuous multifilament strand comprising a core that extends in the longitudinal direction and a polymer sheath which intimately surrounds said core, wherein the core comprises an impregnated continuous multifilament strand comprising at least one continuous glass multifilament strand, wherein the at least one continuous glass multifilament strand is impregnated with an impregnating agent, wherein the polymer sheath consists of a thermoplastic polymer composition comprising a thermoplastic polymer, wherein the impregnating agent comprises at least one of an aromatic phosphate ester, polyphosphonate, poly(phosphonate-co-carbonate).

The invention discloses a two-component polyurethane adhesive as well as a preparation method and application thereof, and the adhesive comprises a component A and a component B in parts by weight, the component A is prepared from 15 to 30 parts of hydroxyl-terminated polybutadiene, 20 to 40 parts of polyester polyol, 5 to 15 parts of epoxy modified polyether polyol, 1 to 5 parts of phosphate ester, 1 to 5 parts of micromolecular dihydric alcohol chain extender, 2 to 10 parts of silane coupling agent, 1 to 5 parts of thixotropic agent, 20 to 50 parts of filler, 5 to 15 parts of flame retardant and 0.1 to 0.5 part of catalyst; the component B is prepared from the following components in parts by weight: 60 to 80 parts of polyisocyanate and 20 to 40 parts of polyurethane prepolymer. The bi-component polyurethane adhesive is used for bonding SMC or metal, has high strength and high elasticity, balances the thermal expansion coefficient difference between the SMC and the metal, and can realize reliable bonding of the SMC without complex surface treatment.

The present invention provides means with which bile acids, phenols, indoles and organic acids contained in a sample can be stably preserved without cryopreservation of the sample. A sample preservation solution of the present invention is a sample preservation solution used for analyzing at least one component selected from the group consisting of bile acids, phenols, indoles and organic acids contained in a biological or environmental sample, containing at least the following (A) and (B): (A) condensed phosphate or polyoxyethylene sorbitan alkylate; and (B) guanidinium thiocyanate, Tris-HCl (pH 7 to 9), and EDTA.

The invention relates to an extraction agent and an extraction method, and relates to the technical field of wet extraction of industrial solid waste, and the extraction agent comprises the following components in parts by mass: an extraction main agent, an anti-impurity stabilizer and an extraction aid; the extraction main agent comprises di (2-ethylhexyl) phosphate and mono (2-ethylhexyl) phosphate, the impurity-resistant stabilizer comprises an imidazoline derivative, a triazine derivative and dimethyl methylphosphonate, and the extraction assistant comprises isooctyl alcohol; the extraction method comprises the steps of ash ball preparation, impurity removal, extraction and the like. According to the extraction agent and the extraction method, interference impurities such as trace heavy metal ions, sulfides and cyanides generated due to component fluctuation in the purified ash of the calcium carbide furnace are selectively chelated, the impurities are prevented from being combined with the extraction main agent, and then the anti-interference stability of the extraction agent under the condition that the impurity content of the purified ash of the calcium carbide furnace fluctuates is improved; and the control difficulty in the production process is reduced.

To provide an oil-based ink composition for a ball-point pen capable of obtaining good handwriting with good writing feeling even in writing at a high speed or at a high writing pressure while effectively suppressing ink leakage, and hardly causing strike-through, and to provide a ball-point pen.SOLUTION: A ballpoint pen refill for an oil-based ballpoint pen includes an ink reservoir tube, an oil-based ink composition filled in the ink reservoir tube, and a ballpoint pen tip attached to a front end portion of the ink reservoir tube and configured to supply the oil-based ink composition, wherein the oil-based ink composition contains a first phosphoric acid ester which is a polyoxyethylene hydrocarbon phosphoric acid ester having a hydrocarbon group having 4 or more and 17 or less carbon atoms, a second phosphoric acid ester which is a polyoxyethylene hydrocarbon phosphoric acid ester having a hydrocarbon group having 18 or more and 24 or less carbon atoms, water, and a nonionic surfactant.SELECTED DRAWING: Figure 1

An additive composition comprises phosphate ester anions conforming to a specified structure, aromatic carboxylate anions, optionally cycloaliphatic dicarboxylate anions, aluminum (III) cations, sodium cations, optionally calcium cations, optionally lithium cations, and optionally zinc (II) cations. The anions are present in the additive composition in specified molar percentages. The cations are also present in the additive composition in specified molar percentages.

A coal-based solid waste regenerated aggregate shotcrete and a preparation method thereof, comprising cementitious material 100 parts, coarse aggregate 150-200 parts, fine aggregate 150-200 parts, polycarboxylate superplasticizer 2-4 parts, anti-adsorption agent 0.5-1.5 parts, water 35-60 parts, and defoaming agent 0.1-0.3 parts. The cementitious material is composed of cement and waste desulfurization gypsum; the coarse and fine aggregates are all coal gangue or gasification slag; the polycarboxylate superplasticizer is a slow-release polycarboxylate superplasticizer containing phosphate ester groups in the side chain; and the anti-adsorption agent is bentonite modified by a silane coupling agent. The modified bentonite anti-adsorption agent preferentially blocks the porous surface adsorption sites of the coal-based solid waste aggregate, and the slow-release polycarboxylate superplasticizer continuously provides dispersion force, effectively reduces the invalid consumption of the superplasticizer, significantly reduces the 1h slump loss rate of the concrete, reduces the rebound rate of the shotcrete construction to below 15%, and the total solid waste content is above 70%, realizing large-scale collaborative utilization of coal-based solid waste and waste desulfurization gypsum.

The invention discloses a method for preparing an aromatic phosphate salt nucleating agent by using nanoscale aluminum chloride, and belongs to the technical field of polymer nucleating agents. 2, 2-methylene-bis (4, 6-di-tert-butylphenol) and phosphorus oxychloride are used as raw materials, the nanoscale aluminum chloride with the particle size of 20-50nm is selected as an inorganic Lewis acid catalyst and acid binding agent, and the aromatic phosphate salt nucleating agent is prepared by using a one-step method. The preparation method comprises the following steps: replacing the traditional organic acid-binding agents such as triethylamine and pyridine, and synthesizing bis [2, 2 '-methylene bis (4, 6-di-tert-butylphenoxy) phosphate] hydroxyl sodium salt by a one-pot method of condensation, hydrolysis for salt removal and neutralization for salt formation; the purity of the product can reach 99% or above through one-time suction filtration, multiple times of washing are not needed, salt-containing wastewater can be recycled as industrial water after being neutralized, and the environmental protection pressure is greatly reduced; the nucleating agent is suitable for modification processing of polymers such as polypropylene (PP), polyethylene glycol terephthalate (PET), polybutylene terephthalate (PBT), polyamide (PA) and the like, and especially meets the strict requirements on the purity and environmental protection property of the nucleating agent in an olefin polymerization process.

The application discloses a limiting distribution model for predicting accumulation of organic phosphates (OPEs) in rice grains and a construction method thereof, and belongs to the technical field of environmental pollutant migration prediction and agricultural safety. The model is based on the limiting distribution theory, systematically identifies four key links (soil-root absorption, root-stalk transportation, stalk-leaf distribution and leaf-grain migration) of OPEs migration from soil to rice grains and limiting factors of each link, realizes accurate prediction of grain accumulation under different OPEs, different environmental conditions and different rice varieties by quantifying and integrating distribution coefficients of each link. The application calibrates distribution coefficient equations of each link by measuring physical and chemical parameters of OPEs, soil environmental parameters, rice physiological parameters and in-vivo distribution data, the relative error of model prediction is less than or equal to 15%, the model can be applied to farmland OPEs pollution risk assessment, optimization of prevention and control measures and food safety early warning, and has the advantages of strong universality, simple operation and accurate prediction.

The application provides a hybrid vehicle engine lubricating oil composition and a preparation method thereof.The hybrid vehicle engine lubricating oil composition comprises the following components: (A) a benzotriazole derivative; (B) a composite antioxidant comprising an alkylated diphenylamine antioxidant and a sulfide phenolic antioxidant; (C) a polyisobutylene succinimide ashless dispersant; (D) a sulfonate and / or a sulfated alkyl phenate; (E) a zinc dialkyldithiophosphate; (F) a composite friction modifier comprising an oil-soluble organic molybdenum friction modifier and an ashless friction modifier; (G) a phosphite type extreme pressure antiwear agent; and (H) a major amount of a lubricating oil base oil; wherein the structure of the benzotriazole derivative is shown in formula (I): wherein the definitions of the groups are shown in the specification.The hybrid vehicle engine lubricating oil composition has excellent antioxidant performance, corrosion resistance and rust resistance, and good emulsion retention performance and wear resistance.

The invention discloses a fish hydrolyzed collagen peptide-based flavor beverage and a preparation method thereof, and relates to the technical field of food beverages. The flavored beverage comprises the following raw materials: fish hydrolyzed collagen peptide, a compound flavor modification stabilizer, a compound sweetening agent, concentrated fruit and vegetable juice, casein phosphopeptides, VC magnesium phosphate, zinc lactate, a low-nucleic-acid yeast extract, sodium hyaluronate, an acidity regulator and purified water. The compound flavor modification stabilizer is matched with the low nucleic acid yeast extract to form synergistic flavor regulation and control, the hydrophobic bitter peptide fragment of the fish hydrolyzed collagen peptide and the fishy smell characteristic group are wrapped from the molecular level, and meanwhile, the soft modification on the sensory level is realized through the gamma-aminobutyric acid; the effect of debitterizing and deodorizing without adding artificial essence and a large amount of cane sugar is achieved, the product flavor is natural and harmonious, the sour and sweet taste is palatable, the beverage completely conforms to the current healthy consumption trend of low sugar and no artificial addition, and the problem that the beverage has flavor defects is solved.

This invention discloses a method for preparing ethyl bicyclic phosphite. The method provided by this invention, through raw material system reconstruction and reaction pathway optimization, achieves closed-loop production while completely avoiding the use of phosphorus trichloride, thus reducing raw material costs and eliminating corrosive byproducts. This provides a new solution to resolving the contradictions between economic efficiency, safety, and environmental compatibility in existing technologies.

The invention belongs to the technical field of organic synthesis, and relates to a preparation method of N-palmitoyl-O-phosphorylcholine serine and a deuterated substance thereof. The N-palmitoyl-O-phosphorylcholine serine and the deuterated substance thereof are obtained by taking L-serine methyl ester hydrochloride and palmitic acid as raw materials through amidation reaction, phosphate esterification reaction, quaternization reaction, oxidation reaction, reduction reaction and the like. The invention provides an approach for industrial production of the N-palmitoyl-O-phosphorylcholine serine and the deuterated substance thereof, and is very important for standardization of the detection method of the N-palmitoyl-O-phosphorylcholine serine.

Featured are polypeptides that include soluble alkaline phosphatases, mutants, fragments, fusion proteins thereof, and methods of use thereof, for treating bone mineralization disorders, such as hypophosphatasia (HPP), and symptoms thereof. The polypeptides include a soluble alkaline phosphatase (sALP) or fragment thereof, which is derived from a naturally occurring alkaline phosphatase (ALP).

The invention discloses a metallocene polypropylene composite material as well as a preparation method and application thereof. The metallocene polypropylene composite material is prepared from the following components in parts by mass: 84.63 to 96.50 parts of metallocene isotactic polypropylene, 0 to 6 parts of polypropylene random copolymer, 3 to 9 parts of allyl elastomer, 0 to 3 parts of polypropylene wax, 0.10 to 0.55 part of organic peroxide degradation agent, 0 to 1.8 parts of hindered hydroxylamine ester degradation agent and 0 to 0.15 part of phosphate ester antioxidant. The metallocene polypropylene composite material is suitable for a melt-blowing processing technology, and the melt-blowing non-woven fabric of the metallocene polypropylene composite material has lasting filtering performance.