1051 results about "Metallic catalyst" patented technology

In order to solve the problems of low yield, complex process and difficulty in purification in the existing preparation method of benzodifurandione, the invention provides a preparation method of benzodifurandione, which comprises the following operation steps: synthesis of benzodifurandione: mixing hydroquinone, paraformaldehyde, a transition metal catalyst and a ligand under an acidic condition to obtain a mixture A; introducing CO, reacting at the temperature of 120-150 DEG C to obtain a mixture containing benzodifuran diketone, cooling and filtering to obtain a benzodifuran diketone solid; and purification: purifying the benzodifuran diketone solid to obtain the benzodifuran diketone. The preparation method provided by the invention is simple and convenient to operate, the obtained monomer benzodifuran diketone raw material is high in purity and stable in quality, and large-scale production of polymers can be realized.

The invention provides a method for producing succinate by using maleic anhydride airflow. The method comprises the following two reaction processes: absorbing esterified maleic anhydride airflow by using RR1R2COH alcohol as an absorption solvent to prepare butenedioic acid ester, and hydrogenating the butenedioic acid ester under the action of a metal catalyst to prepare the succinate. According to the technical scheme, the alcohol substances are used as the solvent and the esterifying agent, succinic acid ester can be prepared by carrying out absorption esterification on maleic anhydride gas flow and directly hydrogenating the absorption liquid without separation, raw materials are cheap, the process is short, the system is simple and convenient, investment is saved, material consumption and energy consumption are low, and the production cost is low.

The invention discloses an application of a single-metal Co (at) N-C nanotube with high C and N contents. The Co (at) N-C nanotube is used for a zinc or magnesium metal air battery positive electrode material catalyst. The application of the oxygen reduction catalyst in a primary zinc-air battery, a primary magnesium-air battery and a secondary zinc-air battery is realized. The oxygen reduction catalytic material is characterized by being a monometallic catalyst, and shows relatively high energy density and power density in a metal battery. The half-wave potential of the prepared single-metal catalyst Co (at) NC-1Co (at) NC-1 is 0.85 V, and the half-wave potential exceeds the half-wave potential of commercialized 20% Pt / C; the limit diffusion current density Jd is 5.44 mA cm <-2 >, which is equivalent to that of commercial 20% Pt / C. The power density of a primary zinc air battery taking Co-coated NC-1 as the oxygen reduction catalyst is 202 mW cm <-2 >, and the maximum energy density is 928 Wh kg <-1 > Zn, which is higher than that of a Pt / C-based zinc metal air battery. The catalyst has the advantages of easily available raw materials, simple preparation and low cost, and has potential commercial application value.

The invention discloses a polyester-carbon dioxide based polycarbonate-polyester triblock biodegradable elastomer and a preparation method of the polyester-carbon dioxide based polycarbonate-polyester triblock biodegradable elastomer. The polyester-carbon dioxide based polycarbonate-polyester copolymer with a triblock structure is obtained by initiating and catalyzing epoxide, carbon dioxide and high-activity tetrachlorophthalic anhydride to be copolymerized through a metal catalyst or Lewis acid-base pair. The polycarbonate chain segment formed by the long-chain branch epoxide 1 and carbon dioxide has a low glass transition temperature (Tg1lt; -20 DEG C); and a polyester chain segment formed by tetrachlorophthalic anhydride and short-chain branch epoxide has a high glass transition temperature (Tg2 is greater than or equal to 100 DEG C), so that the triblock copolymer has two obvious glass transition temperatures, and has the thermoplastic processability of plastic and the high elasticity of rubber due to the unique microphase separation structure.

The invention provides a synthesis method of bio-based poly (ethylene 2, 5-furandicarboxylate) (poly (ethylene 2, 5-furandicarboxylate) for short) and performance application of the bio-based poly (ethylene 2, 5-furandicarboxylate). According to the method, 2, 5-furandicarboxylic acid (FDCA) derived from renewable resources and ethylene glycol (EG) are used as main raw materials, and the high-molecular-weight PEF is prepared through microwave-assisted esterification-polycondensation reaction under the action of a metal catalyst. The prepared PEF has excellent thermal mechanical property and gas barrier property, the glass transition temperature is about 58.6 DEG C, the melting temperature is about 187.4 DEG C, and the thermal decomposition 18% weight loss temperature exceeds 400 DEG C. The PEF material can be biologically degraded under the industrial composting condition, and the degradation speed is higher compared with that of traditional petroleum-based PET polyester. The PEF provided by the invention is suitable for the fields of food packaging films, beverage bottles and fiber materials, has the advantages of biodegradability, heat resistance stability and high barrier property, can partially replace polyethylene glycol terephthalate (PET) and other petrochemical plastics, and meets the requirements of sustainable development.

The application belongs to the technical field of batteries, and particularly relates to a silicon-carbon negative electrode material and a preparation method and application thereof. The method comprises the following steps: preparing a porous carbon fiber membrane loaded with a metal catalyst; preparing a dispersion solution of a nano-silicon-based material, and distributing the nano-silicon-based material into the porous carbon fiber membrane to obtain a composite porous carbon fiber membrane; and performing thermal chemical vapor deposition on the composite porous carbon fiber membrane in an inert atmosphere containing a carbon source, growing carbon nanofibers and vertical graphene on the surface of the composite porous carbon fiber membrane, and obtaining a silicon-carbon negative electrode material. Through a synthesis route of thermal chemical vapor deposition (T-CVD), the synthesis process is optimized, and a multi-level three-dimensional network structure of carbon nanofibers and vertical graphene is constructed to enhance the electrical conductivity of the silicon-carbon negative electrode material, accelerate carrier transmission, improve the interface contact performance between the silicon-based material and the carbon material, improve the loading capacity of the nano-silicon-based material, inhibit the volume expansion of the nano-silicon-based material, and improve the structure and cycle stability of the nano-silicon-based material.

The invention discloses a method for preparing a g-C3N4 loaded Fe and Mn bimetallic catalyst with high efficiency and low cost, and belongs to the technical field of catalysts. Manganese ferrite is adopted as a bimetal source, a melamine one-step calcination method is combined, synthesis of g-C3N4 and loading of Fe and Mn are synchronously achieved, manganese ferrite is decomposed into FeOx and MnOx nanoparticles in the calcination process, the FeOx and MnOx nanoparticles and nitrogen sites of g-C3N4 form strong coordinate bonds, metal atomic-scale dispersion can be achieved, and metal ion migration is inhibited; through the bimetallic synergistic effect of Fe and Mn, the oxidation-reduction capacity of the catalyst can be remarkably improved; through the unique thermal decomposition characteristic, the bimetallic synergistic effect and the strong chemical bonding of the manganese ferrite and g-C3N4, the efficient exposure of active sites, the remarkable improvement of the oxidation reduction capacity and the effective inhibition of metal dissolution are realized, and the preparation method also has the advantages of high efficiency, low cost and small secondary pollution risk.

To provide a manufacturing method for a catalyst ink that can reduce the sedimentation of catalyst particles within the catalyst ink.SOLUTION: There is provided a manufacturing method for a catalyst ink, the catalyst ink Including: catalyst particles including a metal catalyst supported on a carbon carrier; a solvent; and an ionomer. The method includes a step of stirring and mixing, by using beads having a bead diameter of 2 mm or less, the catalyst particles, the solvent, and the ionomer, thereby, an average particle diameter of the catalyst particles becomes 2.2 μm or less after the stirring and mixing.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of catalyst preparation, and particularly relates to a preparation method and application of a humic acid-based carbon material supported bimetallic catalyst. The catalyst is prepared from 0.1 weight percent to 10 weight percent of Pt, 0.4 weight percent to 10 weight percent of second metal (Fe, Ni, Co or Mo) and 80 weight percent to 99.5 weight percent of a humic acid-based carbon material carrier. The preparation method comprises the following steps: grinding humic acid and an accelerant, roasting at high temperature to obtain a humic acid-based carbon material, and loading the second metal (Fe, Ni, Co or Mo) and Pt on the surface of the humic acid-based carbon material by a step-by-step impregnation loading method. The catalyst can efficiently catalyze hydrogenation of 5-hydroxymethylfurfural (5-HMF) in a tetrahydrofuran solvent to prepare 2, 5-dimethylfuran (2, 5-DMF). The humic acid-based carbon material is used as a carrier, the catalyst is simple in preparation process, low in cost and high in catalytic activity, efficient conversion of the biomass-based platform compound 5-HMF can be achieved under mild reaction conditions, and the catalyst has remarkable industrial application value.

The invention discloses a method for preparing a chiral furanone ester derivative, which comprises the following steps: adding a metal catalyst into a solvent, sequentially adding a carboxylic acid compound I or a carboxylic acid compound II and a butene lactone compound III, introducing inert gas, stirring, post-treating and purifying to obtain a chiral furanone ester compound IV; the palladium catalysis system is composed of palladium salt and a chiral ligand V, and the chiral ligand has a structure shown in a formula V.

The present invention designs a method for preparing a key intermediate of synthetic boceprevir, namely a chiral pyrrolidone derivative, through catalytic hydrogenation. Specifically, it involves the use of substrate chiral induction by adjusting and modifying the substituents of the substrate to achieve the asymmetric catalytic hydrogenation of dihydropyrrolidone by a metal catalyst. The advantages of the present invention are that the process route is simple and feasible, the yield is high, the cost is low, and it is easy to industrialize production, etc.

The invention belongs to the field of furfuryl alcohol hydrogenation, and particularly relates to a catalyst for preparing 1, 2-pentanediol from furfuryl alcohol as well as a preparation method and application of the catalyst. The catalyst for preparing 1, 2-pentanediol from furfuryl alcohol comprises a composite oxide carrier and a metal catalyst attached to the composite oxide carrier, the composite oxide carrier comprises an oxide core and magnesium oxide attached to the oxide core; the oxide inner core is selected from one, two or three of TiO2, CeO2 and Al2O3; the metal catalyst is Pt or Pt and doped metal, and the doped metal is selected from at least one of Pd and Ru. A novel catalyst carrier design is adopted, the selectivity of the catalyst to 1, 2-pentanediol is further improved, the selectivity of the catalyst to 1, 2-pentanediol reaches 65% or above, and when a double-doped metal form is adopted, the selectivity of 1, 2-pentanediol reaches 80% or above.

The invention discloses a carbon nanotube quasi-catalyst as well as preparation and application thereof, and relates to the technical field of synthesis of carbon nanotube catalysts. A metal catalyst precursor salt, an oxide carrier precursor salt and a complexing agent are mixed to prepare a precursor solution, the colloidal crystal microsphere template is soaked in the precursor solution, and the quasi-catalyst can be obtained after suction filtration, drying and low-temperature heat treatment. When the quasi-catalyst is used for preparing the carbon nano tube, dangerous reducing gas such as hydrogen is not needed, and the carbon nano tube powder which is small and uniform in diameter, excellent in conductivity and easy to disperse can be efficiently prepared on a large scale under the conditions of low carrier gas flow rate and low reaction temperature. The quasi-catalyst and the preparation technology thereof have remarkable technical advantages and cost benefits, and have wide application prospects.

The invention provides a metal Ru catalyst as well as a preparation method and application thereof, and particularly, the metal Ru catalyst is prepared by using a specific carbon source and a ruthenium source as precursors through a simple one-step method. The method is simple in process, low in cost and high in controllability, the obtained metal Ru catalyst has excellent seawater electrolysis activity and stability, the overpotential (mV) shown under 10 mA cm <-2 > under the real seawater condition is 39 mV which is far lower than the overpotential (53 mV) shown under 10 mA cm <-2 > of commercial Pt / C, and the metal Ru catalyst can be applied to the cathodic hydrogen evolution reaction of seawater electrolysis.

The invention provides a negative-electrode-free sodium ion battery current collector, application thereof and a negative-electrode-free sodium ion battery, and relates to the technical field of batteries. The negative-electrode-free sodium ion battery current collector provided by the invention comprises a base material and a coating coated on the surface of the base material, the coating comprises porous nitrogen-doped carbon particles and a binder; the porous nitrogen-doped carbon particles are loaded with fluorine-containing sodium salt and a metal catalyst, and the surfaces of the porous nitrogen-doped carbon particles are coated with polymers. According to the current collector, in-situ construction and dynamic repair of NaF-rich SEI are promoted through the core-shell structure design, long-term, uniform and stable deposition of sodium ions on the current collector can be achieved, the coulombic efficiency of a negative-electrode-free sodium battery is improved, and the cycle life of the negative-electrode-free sodium battery is prolonged.

The invention relates to the technical field of carbon nanotubes, and particularly discloses a purification method of a carbon nanotube. The purification method of the carbon nano tube comprises the following steps: (1) weighing a carbon nano tube crude product and various raw materials, (2) adding the carbon nano tube crude product and a surfactant into deionized water, and carrying out ultrasonic dispersion to obtain a dispersion liquid, (3) carrying out gradient centrifugation on the dispersion liquid, and taking an upper-layer suspension liquid, and (4) mixing hydrochloric acid, nitric acid and the suspension liquid, and treating the carbon nano tube to obtain the carbon nano tube. (5) treating the carbon nano tube by dilute acid, mildly oxidizing the carbon nano tube by using a low-concentration hydrogen peroxide solution, and then placing the carbon nano tube in a magnetic field to adsorb magnetic impurities, (6) carrying out cross-flow filtration by using a polycarbonate microfiltration membrane and collecting the treated carbon nano tube, and (7) annealing the treated carbon nano tube by using inert gas and freeze-drying to obtain the purified carbon nano tube. According to the purification method, the metal catalyst, amorphous carbon and graphite impurities can be efficiently removed, and meanwhile, the integrity of the tube wall of the carbon nano tube is kept.

The invention belongs to the technical field of preparation of nano noble metal catalysts, and relates to a preparation method of a doped carbon-based nano noble metal catalyst. Phytic acid doped polyaniline is prepared through chemical oxidative polymerization, a nitrogen and phosphorus co-doped carbon carrier is obtained through pyrolysis under the nitrogen atmosphere, gold and palladium bimetal is loaded through a metal colloid adsorption method, the doped carbon-based nano noble metal catalyst is obtained, the introduced doped element phosphorus has anchoring and dispersing effects on noble metal, and the noble metal is more stable in performance. The activity of the catalyst is remarkably improved by introducing a trace amount of second component metal palladium. The catalyst prepared by the invention is simple in synthesis method, high in activity, good in selectivity and excellent in cycling stability, is suitable for preparing parachloroaniline by hydrogenation of parachloronitrobenzene, and has a relatively wide application prospect.

The invention discloses a method for synthesizing a pyrrole compound. The method comprises the following steps: mixing a beta-nitrostyrene compound, an alpha-fluoro-beta-ketone ester compound, cesium carbonate and ethanol, carrying out an addition reaction at 40-60 DEG C, cooling to room temperature after the reaction is finished, adding acetic acid and zinc particles, and carrying out a cyclization reaction at 60-100 DEG C to obtain the pyrrole compound. The method does not need to add a noble metal catalyst and a large number of redox agents, the reaction is carried out under normal pressure, operation is easy and convenient, raw materials are cheap and easy to obtain, and the method is suitable for large-scale production.

The invention belongs to the technical field of petrochemical engineering, and relates to a heavy oil hydrogenation cycle unconverted oil drying treatment system and method.The system comprises a flash coupling condenser, a drying top coupling preheater, a feeding flash tank, a drying device, an oil cooler, a vacuum buffer tank, a stock bin, a first wax oil tank and a second wax oil tank, a second liquid phase outlet end of the flash coupling condenser is connected with a liquid phase inlet end of a first wax oil tank, and a liquid phase outlet end of the first wax oil tank conveys produced first wax oil to a boundary area; a second liquid phase outlet end of the drying top coupling preheater is connected with a liquid phase inlet end of a second wax oil tank, and a liquid phase outlet end of the second wax oil tank is used for conveying produced second wax oil to the boundary area. According to the method disclosed by the invention, by adopting unique reduced-pressure flash evaporation and drying processes, the direct contact between the material and a membrane module is fundamentally avoided, and the recovery of a metal catalyst in unconverted oil, the separation of light oil components and the preparation of a high-added-value carbon material are realized.

The invention discloses a method for preparing 1, 3-propylene glycol by hydrating and hydrogenating acrolein, which comprises the following steps: carrying out hydration reaction by taking an acrolein aqueous solution as a raw material and taking acylated and aminated modified polystyrene resin as a catalyst; carrying out flash evaporation or gas stripping on the product after the reaction to remove acrolein, condensing and recovering the removed acrolein, and carrying out hydrogenation reaction on the acrolein-removed mixed solution serving as a hydrogenation raw material on a metal catalyst; and after the reaction is finished, performing flash evaporation on the product to remove water and light components, and performing vacuum rectification to obtain a high-purity 1, 3-propylene glycol product. According to the method, the modified resin is used for catalyzing the acrolein hydration reaction, the overall yield of the 1, 3-propylene glycol can be increased, the catalyst modification process is simple, the cost is low, the additional value of the final product is high, and the method is suitable for industrial production.

The invention relates to the technical field of preparation of a lithium ion battery positive electrode lithium supplement agent, in particular to preparation of a composite lithium supplement agent, which comprises the following steps: dissolving lithium hydroxide and oxalic acid in pure water to prepare a lithium oxalate saturated solution, and adding a metal catalyst; preparing lithium oxalate particles from the lithium oxalate saturated solution containing the metal catalyst through a spray dryer in an inert atmosphere; the lithium oxalate particles are put into a CVD rotary furnace, organic steam is introduced, the organic steam is decomposed through a metal catalyst to generate carbon, and the carbon is deposited on the surface of lithium oxalate; reducing the temperature of the CVD rotary furnace, introducing a silicon source, introducing water vapor, and coating the surface of the material with a SiO2 film; and reducing the temperature of the CVD rotary furnace, introducing a modifier, and carrying out a cross-linking reaction on the modifier and the surface of the material to obtain the final product Li2C2O4 (at) C (at) SiO2 (at) CF3. According to the invention, the defects of lithium oxalate insulation, high decomposition voltage and poor air stability are overcome.

The invention relates to a supported double-center metallocene catalyst, which comprises a modified silicon-based carrier, a chromium-metallocene metal and other metallocenes, and the modified silicon-based carrier is a silicon-based carrier modified by an aluminum-based substance and a fluorine-containing substance. According to the catalyst, the carrier is modified, so that the chromium-metallocene metal can be better loaded, the catalyst is used for preparing polyethylene, and the polyethylene has wider molecular weight distribution. In the preparation process of polyethylene, under the condition that alkylaluminoxane is not used, bimodal polyethylene with wide molecular weight distribution can also be obtained.

The present invention provides a novel polyurethane adhesive, and relates to the technical field of adhesives, the novel polyurethane adhesive comprises a component A and a component B. The component A comprises the following components by weight: 0.1-1 part of an MOFs polyurethane composite catalyst; 1 to 3 parts of polyether polyol; 30 to 40 parts of castor oil; 1-5 parts of a drying agent; 0.1 to 1 part of fumed silica; 60 to 65 parts of filler; 0.1-1 part of a wetting dispersant; and the component B is polyisocyanate. According to the polyurethane adhesive provided by the invention, the efficient polyurethane organic metal catalyst is packaged by utilizing the MOFs pore confinement principle, so that the catalyst can be stabilized in the initial stage to control the opening time, and efficient release and activity enhancement of the catalyst can be realized in the later stage, thereby achieving the purpose of regulating and controlling the reaction activity of the catalyst; the rapid and controllable curing and bonding effects of the polyurethane adhesive are further improved.

The invention discloses activated edible fungus residue biochar as well as a preparation method and application thereof, and aims to provide activated edible fungus residue biochar which is obtained by taking edible fungus residues as a carbon source, pre-carbonizing materials, performing alkali activation and then performing high-temperature carbonization, and the preparation method is simple and convenient to operate and low in cost; the activated edible fungus residue biochar realizes degradation of 4-chlorophenol and tetracycline in water by peroxydisulfate with a very small amount, solves the problems of low catalytic efficiency and large addition amount of a current transition metal catalyst, and belongs to the field of environmental governance.

A lithium replenishment composite material and its preparation method, as well as a positive electrode plate, a separator, a secondary battery, and an electrical device. The composite material includes a core and a coating layer containing a conductive material, which at least partially covers the core. The core comprises a lithium replenishment agent and a metal catalyst, wherein the lithium replenishment agent includes an organic lithium compound. During an initial charging cycle, the organic lithium compound releases lithium ions to replenish lithium in the negative electrode, while its byproducts decompose into gases that are expelled from the battery, thereby minimizing impact on mass energy density and long-term performance. The metal catalyst lowers the decomposition potential of the lithium agent, allowing lithium replenishment at lower voltage while protecting the positive electrode and electrolyte. The conductive coating suppresses metal dissolution, enhances conductivity, and improves the cycling performance of the battery.

The invention belongs to the technical field of metal organic framework materials and catalytic oxidation, and particularly relates to a bimetallic MOF catalyst based on waste plastics and a preparation method and application thereof. Adding the PET plastic bottle fragments and metal salt into a solvent, heating to a specified temperature, reacting for a preset time, then cooling to room temperature, centrifugally separating, cleaning and drying to obtain the bimetallic MOF catalyst. The preparation method is simple in step, and a large amount of time can be saved. The bimetallic MOF catalyst can effectively catalyze and degrade various dyes, antibiotics and phenol pollutants, and has a good cyclic catalysis effect, a good cyclic catalysis effect and excellent stability. The bimetallic MOF catalyst is prepared from the waste plastics, so that the raw material cost in the MOF synthesis process can be reduced, and the environmental problem of the waste plastics is effectively solved.

The invention relates to a carbon nano reinforced thermoplastic polyurethane composite material as well as a preparation method and application thereof. The composite material is prepared from the following components in parts by mass: 5 to 20 parts of diisocyanate, 10 to 30 parts of oligomer dihydric alcohol, 1 to 10 parts of bifunctional chain extender and 1 to 20 parts of filler, the filler is prepared from the following components in parts by mass: 0.95 to 18 parts of inorganic filler and 0.05 to 2 parts of carbon-based nano filler; preparing a carbon-based nanofiller of flaky carbon nanofibers, tubular carbon nanofibers or fishbone-shaped carbon nanofibers from reaction gas by using a metal catalyst through a chemical vapor deposition method; the metal catalyst is selected from an iron-nickel catalyst or a nickel-copper catalyst, the reaction gas comprises a carbon source gas and a reducing gas, the carbon source gas is selected from carbon monoxide or ethylene, and the reducing gas adopts hydrogen. Compared with the prior art, the material has good mechanical properties and damping performance, especially has excellent normal-temperature damping performance and damping temperature range, and is suitable for 3D printing.

The invention discloses a chiral alpha-hydroxyamide derivative as well as a synthesis method and application thereof. The synthesis method comprises the following steps: in the presence of a chiral thiourea catalyst, aromatic amine and alpha-carbonyl acyl silane are subjected to a catalytic asymmetric nucleophilic addition reaction in a solvent under illumination, and the chiral alpha-hydroxyamide derivative is generated. The reaction takes illumination as driving force, so that green synthesis is realized; and secondly, due to the introduction of the chiral thiourea catalyst, the enantioselectivity is remarkably improved, the use of a metal catalyst is avoided, and the concept of green chemistry is met. In addition, the reaction substrates alpha-carbonyl acyl silane and aromatic amine are cheap and easily available chemicals, so that the synthesis cost is reduced, and the feasibility and practicability of the method are improved.

The invention discloses 1K varnish as well as a preparation method and a spraying method thereof, relates to the technical field of automobile coating varnish, and solves the problems that the existing 1K varnish is difficult to be matched with a water-based colored paint system and is poor in performance. Comprising acrylic polyol, a thermosetting hydroxylated acrylic copolymer solution, thermosetting hydroxylated acrylic resin, polycarbonate diol, amino resin, blocked isocyanate resin, a leveling agent, a catalyst, an aging aid, a wetting dispersant and a solvent. The amino resin comprises butylated amino resin and a trifunctional melamine cross-linking agent; bYK306 and BYK358N are used as the flatting agents; the catalyst comprises an acid catalyst and a metal catalyst; the aging auxiliary agent comprises an ultraviolet light absorber 80 and a light stabilizer uv-93; the wetting dispersant is BYK-161; the solvent is prepared from butyl acetate, DBE, ethyl ethoxypropionate, ethylene glycol butyl ether acetate and n-butyl alcohol. The method is suitable for being matched with a water-based production line and is wide in applicability.

The invention discloses a high molecular weight CO2-based degradable plastic catalyzed by a non-metal catalyst and a preparation method thereof, the preparation method takes propylene oxide (PO) and CO2 as raw materials, in the presence of the non-metal catalyst, a molecular weight regulator and a branching agent, a copolymerization reaction is carried out, and the CO2-based degradable plastic polypropylene carbonate (PPC) is synthesized. The non-metal catalyst is composed of alkyl boron and quaternary ammonium salt, the molecular weight regulator is cyclic anhydride, and the branching agent is cyclic carboxylic acid dianhydride. The PPC prepared by the invention not only is high in molecular weight and good in processability, has the concept of carbon neutralization, relatively high gas barrier property, solvent resistance and the like, has the characteristics of relatively high strength, elastic coefficient, no toxicity, harmlessness and the like, is biodegradable, and has a wide market application prospect.