29results about How to "Improve cross-linking efficiency" patented technology

The invention relates to a low-smoke halogen-free flame-retardant polyolefin insulation material for an in-vehicle high-voltage cable. The low-smoke halogen-free flame-retardant polyolefin insulation material comprises the following raw materials in parts by mass: 30-50 parts of SEBS, 30-50 parts of an ethylene-propylene-butylene block copolymer elastomer, 10-20 parts of a polyethylene grafted maleic anhydride compatilizer, 3-5 parts of color master batch, 1.5-2.5 parts of an antioxidant, 110-130 parts of aluminum hydroxide, 1.5-3 parts of phosphorus-containing silane, 1-2 parts of a cross-linking agent and 3-5 parts of silicone master batch. The SEBS is in the form of an unoil-filled particle; the aluminum hydroxide is powdery and is modified by phosphorus-containing silane; the cross-linking agent is a polyfunctional group cross-linking sensitizer, and the number of functional groups is not less than 2. The preparation method of the insulating material comprises the following steps: S1, modifying aluminum hydroxide powder by using phosphorus-containing silane; s2, uniformly mixing the matrix resin; s3, granulating by adopting a double-screw extruder with a large length-diameter ratio; s4, the materials obtained in the step S3, the materials obtained in the step S1 and other raw materials are subjected to banburying and double-stage production granulation, and a finished product is obtained.

The invention discloses an insulating material composition, a high-voltage cable, a preparation method and application. The insulating material comprises polyethylene, a peroxide cross-linking agent and an antioxidant, wherein the peroxide cross-linking agent does not contain benzoyl peroxide, and the peroxide cross-linking agent meets one or two of the following characteristics: (i) the peroxide cross-linking agent contains a reactive functional group, and the reactive functional group is selected from at least one of alkenyl, alkynyl and azido; (ii) the peroxide crosslinking agent contains at least one of a peroxide carbonyl group and a peroxide carbonate group; when the peroxide cross-linking agent contains a peroxide carbonyl group, the peroxide cross-linking agent is a non-aromatic compound. The provided insulating material composition contains the peroxide cross-linking agent adopting a specific structure, the cross-linking efficiency is improved, the long-time extrusion stability is remarkably improved, and in the long-time extrusion process, the extrusion pressure is kept stable.

The invention relates to a seawater-based delayed cross-linking agent, the seawater-based delayed cross-linking agent is a poly (ammonia boron) cross-linking agent, and the poly (ammonia boron) cross-linking agent is one of a poly (ammonia boron) cross-linking agent I and a poly (ammonia boron) cross-linking agent II; the seawater-based ultra-low-concentration guanidine gum fracturing fluid is prepared from the following components in percentage by mass: 0.20 to 0.35 percent of a vegetable gum thickening agent, 0.20 to 0.40 percent of a seawater-based delayed cross-linking agent, 0.10 to 0.30 percent of a seawater-based cross-linking synergist, 0.05 to 0.10 percent of a pH (Potential of Hydrogen) regulator, 0.05 to 0.10 percent of a cleanup additive, 0.2 to 3 percent of an anti-swelling agent, 0.03 to 0.20 percent of a sterilizing agent and the balance of seawater, according to the invention, the water cost of fresh water can be saved, the transportation cost of transporting fresh water can also be saved, and the effect of saving the cost of fracturing fluid is especially remarkable.

The present invention belongs to the technical field of polyethylene preparation, and specifically relates to a cross-linked polyethylene insulated cable and a preparation method thereof. The cross-linked polyethylene insulated cable is composed of material A and material B, and the weight ratio of material A to material B is 95:5; material A is composed of the following raw materials: modified linear low-density polyethylene, 2,5-dimethyl-2,5-di(tert-butylperoxy)hexane, di-tert-butylperoxyisopropylbenzene, vinyl tri(2-methoxyethoxy)silane, 1,2-polybutadiene; material B is composed of the following raw materials: linear low-density polyethylene, dibutyltin dilaurate, and antioxidant. In the cross-linked polyethylene insulated cable of the present invention, material A interacts with material B, so that the finally prepared cross-linked polyethylene insulated cable has excellent mechanical properties, chemical stability, and heat aging resistance.

A fluid delivery device for an eye is provided. The fluid delivery device includes a first component; a second component connected to the first component and forming a fluid-tight chamber with the first component, the chamber being adapted to contain a drug solution to be delivered; the plurality of microneedles are arranged on the first part in a penetrating manner, and the microneedles are arranged to establish a fluid delivery channel which is in fluid communication with the cavity between the first part and the to-be-treated part of the eye when the first part is attached to the eye of the subject; the gas release layer is located in the cavity, and the gas release layer is arranged to release gas into the cavity. The fluid delivery device not only can deliver a drug solution, but also can deliver environment gas expected by treatment, and is simple to operate and convenient to dispose after being used.

This invention discloses an acid and alkali resistant polyamide membrane and its preparation method. The method is as follows: S1: Immerse the ultrafiltration base membrane in an aqueous sodium hydroxide solution for soaking and then set aside; S2: Treat the base membrane with a mixed aqueous solution of polyamine and aziridine crosslinking agent; S3: Wet the base membrane in an organic phase solution of polyacrylamide monomer to obtain a polyamide composite membrane; S4: Immerse the prepared polyamide composite membrane in an alcoholic solution of hydroxymethyl crosslinking agent, then dry it in a forced-air drying oven, and after washing with water, obtain the acid and alkali resistant polyamide membrane. This application uses two crosslinking agents, aziridine and hydroxymethyl, which can undergo specific crosslinking reactions with the carboxyl groups inside the polyamide membrane, to directly perform dual crosslinking modification on the membrane interior and surface, without introducing other polymer materials to avoid excessive increase in membrane permeation resistance. The polyamide membrane prepared by this method has both good acid and alkali resistance and water permeability.

According to the instant ruditapes philippinarum food and the processing method thereof, ruditapes philippinarum is used as a raw material, and vacuum rolling, TG enzyme-ultrasonic coupling treatment, vacuum impregnation and far infrared drying and dehydration technologies are combined in the main steps of raw material pretreatment, pre-dehydration, seasoning, drying and the like. The allergen of the clam meat instant product is effectively reduced, the elasticity of the clam meat instant product is increased, the taste of the clam meat is ensured, and the clam meat instant product has certain reference significance for development of instant shellfish products.

The invention belongs to the technical field of dual-curing UV coatings, and discloses a dual-curing UV coating and a preparation method thereof, the coating is composed of a component A and a component B according to a weight ratio of 5-20: 1; the component A is prepared from the following raw materials in parts by weight; the component A is prepared from the following raw materials in parts by weight: 30 to 50 parts of aliphatic polyurethane acrylic resin, 10 to 25 parts of hydroxy acrylic resin, 0.5 to 1 part of an ultraviolet light absorber, 1 to 2 parts of an ultraviolet light initiator, 0.2 to 0.6 part of a light stabilizer, 0.1 to 0.5 part of a drier, 0.2 to 0.6 part of a stain-resistant auxiliary agent and 25 to 30 parts of a composite solvent; the component B is prepared from the following raw materials in parts by weight: 70 to 75 parts of aliphatic polyisocyanate and 20 to 30 parts of solvent. The double-heavy-component design of specific raw materials is adopted, and the obtained coating can have the flexibility of a PU coating and the hardness of a UV coating, has good hardness, weather resistance, adhesive force, chemical resistance and the like, and can be used for outdoor products; the cross-linking efficiency can be effectively improved, and the energy-saving and environment-friendly effects can be achieved.

The invention discloses oxidation-crosslinking modified starch with retrogradation resistance, a preparation method and application in PBAT (poly (butyleneadipate-co-terephthalate)). The preparation method of the oxidation-crosslinking modified starch comprises the following steps: S1, dissolving starch in water to prepare starch milk, adding a Dess-Martin oxidizing agent into the starch milk, and washing and drying a product to obtain oxidized starch; s2, dissolving tetraethylenepentamine and glycerol triglycidyl ether in dimethyl sulfoxide, and heating at a constant temperature to synthesize a cross-linking agent; and S3, uniformly mixing the oxidized starch, a cross-linking agent and a plasticizer in a high-speed mixer, and extruding through double screws to obtain the oxidized-cross-linked modified starch. The cross-linking agent with cross-linking and plasticizing functions is synthesized, and the cross-linking agent can improve the cross-linking efficiency and form stable hydrogen-bond interaction, so that starch retrogradation is inhibited. In addition, the oxidized starch and the cross-linking agent are subjected to a Schiff base reaction, so that a dynamic cross-linked network is formed in starch molecules, and the thermal stability of the starch can be improved.

This invention discloses a TPR (Total Physical Resin) modified silicone material with high elasticity and fast rebound, and its preparation process. It is composed of the following raw materials in parts by weight: 100-120 parts of low-vinylmethyl vinyl silicone raw rubber, 20-30 parts of fumed silica, 10-20 parts of softening and modifying agent, 2.0-3.0 parts of peroxide curing agent, and 0.5-2.0 parts of silane coupling agent. The modified silicone material has a Shore hardness of 10-22A and possesses instantaneous rapid rebound characteristics. Using low-vinylmethyl vinyl silicone raw rubber as the base material, combined with specific amounts of softening and modifying agent (10-20 parts) and fumed silica (20-30 parts), through the synergistic effect of each component, the modified silicone material can still maintain high crosslinking efficiency and network structure integrity within the soft range where the Shore hardness drops to 10-22A.

The invention provides a semicircular long-strip-shaped solar panel and a preparation method thereof, and the semicircular long-strip-shaped solar panel sequentially comprises a glass fiber board / PTE layer, an EVA layer, a strip-shaped battery piece, an EVA layer and a CPC layer from bottom to top. The novel CPC material is used as the backboard, so that the backboard is high in transmittance, excellent in weather resistance and aging resistance and easy to process and form. The prepared solar panel is beautiful, the wind resistance is greatly reduced, and the use efficiency is improved. Meanwhile, the solar panel is light in weight, low in installation cost, convenient and fast to install, high in wind resistance and hail resistance and suitable for being installed on the surface of a cylindrical object.

The invention relates to the technical field of rubber materials, and particularly discloses odorless transparent platinum vulcanized EPDM rubber and a preparation method thereof. The odorless transparent platinum vulcanized EPDM rubber is prepared from the following raw materials in parts by weight: 100 to 115 parts of EPDM particles, 20 to 60 parts of white carbon black, 2 to 10 parts of hydroxyl silicone oil, 0 to 20 parts of liquid EPDM, 1 to 15 parts of hydrogen-containing silicone oil and 1.2 to 2.5 parts of platinum vulcanizing agent. The odorless transparent platinum vulcanized EPDM rubber disclosed by the invention is odorless and transparent, has excellent mechanical properties and chemical stability, can be applied to the food industry, and can meet the safety requirements of occasions needing to be in direct contact with food or in close contact with a food environment.

The present application first discloses a high tear resistance and high oil resistance double cross-linked low smoke halogen-free flame retardant cable material. By selecting and compounding three ethylene copolymers with long side chain structures, the material is provided with sufficient toughness and softness. Secondly, the preparation method of the high tear resistance and high oil resistance double cross-linked low smoke halogen-free flame retardant cable material is disclosed. The cable material is prepared by a double cross-linking method to improve the uniformity of the microscopic network structure, so that the material has excellent heat oil resistance and tear resistance. The present application simplifies the cable structure, reduces the manufacturing difficulty, and improves the batch production yield by directly extruding a seismic buffer material with excellent shock absorbing and buffering effects outside the cable core. Finally, the application of the high tear resistance and high oil resistance double cross-linked low smoke halogen-free flame retardant cable material in cables is disclosed. The present application obtains a flame retardant cable material with both high tear resistance and high oil resistance by improving the raw materials and the preparation process.

The invention relates to the technical field of biological polysaccharide cross-linking agents, in particular to application of a diaminodiketopiperazine compound, and the diaminodiketopiperazine compound is used as a cross-linking agent in the preparation process of cross-linked biological polysaccharide gel. The diaminodiketopiperazine compound is a compound with a structure shown as a formula I or a pharmaceutically acceptable salt thereof: # imgabs0 #, wherein R is normal alkyl or isoalkyl with the carbon atom number smaller than or equal to 10; the preparation process of the cross-linked biological polysaccharide gel comprises the following steps: dissolving and uniformly mixing biological polysaccharide and the diaminodiketopiperazine compound in water or a buffer solution, then adding a condensing agent to form a reaction solution, and carrying out a cross-linking reaction to obtain the cross-linked biological polysaccharide gel, according to the invention, the diaminodiketopiperazine compound is used as a cross-linking agent to cross-link the biological polysaccharide, so that the biological polysaccharide gel has higher cell survival rate and better biological safety, and the prepared gel has better viscoelasticity and thermal stability and can tolerate moist heat sterilization.

The preparation method comprises the following steps: adding a cross-linking agent, a carboxyl activator, a catalyst and a viscosity modifier on the basis of gamma-polyglutamic acid to form a hydrogel solution with a three-cross-linked structure; compared with hydrogel with a single component, the injectable hydrogel based on gamma-polyglutamic acid has the advantages that the mechanical property of hydrogel with a three-crosslinking structure is obviously enhanced, and the injectable hydrogel has better thermal stability and biocompatibility.

The invention relates to the technical field of sealing materials, in particular to a rubber sealing element material for a security lens and a preparation process thereof.The preparation process includes the steps that alkali lignin serves as a raw material to prepare alkali lignin nano-particles, then the alkali lignin nano-particles and graphene oxide are assembled together to prepare composite graphene oxide, epoxy chloropropane is used for epoxidizing the composite graphene oxide, then epoxy-amino reaction is utilized, and the rubber sealing element material for the security lens is obtained. Grafting a fluorine-containing diamine compound; the preparation method comprises the following steps: by taking environment-friendly materials oleic acid and 1, 6-hexanediol as raw materials, firstly esterifying to obtain a plasticizer 1, 6-hexanediol oleate, then epoxidizing, and grafting a fluorine-containing diamine compound by utilizing epoxy-amino reaction to generate an oleic acid derivative as a plasticizer; firstly, formic acid-hydrogen peroxide in-situ epoxidation is carried out to synthesize epoxidized ethylene propylene diene monomer as a raw material of ethylene propylene diene monomer.

The present invention belongs to the technical field of organic polymer compounds, and in particular to a PETG sheet and a preparation method thereof. The PETG sheet of the present invention is made of the following components by mass: 30-40 parts of PETG, 5-10 parts of acrylonitrile-butadiene-styrene copolymer, 10-15 parts of polyethylene terephthalate, 0.5-1 parts of a toughening crosslinking agent, 1-3 parts of a chain extender, 1-5 parts of pentaerythritol stearate, 60-100 parts of an inorganic filler, 1-1.5 parts of an aluminate coupling agent, and 0.5-1.0 parts of an antioxidant; wherein the toughening crosslinking agent is prepared by copolymerization of 2-cyclohexyl acrylate, maleic anhydride, and butyl acrylate. The present invention improves the problem that the PETG sheet has strong hygroscopicity during processing and the insufficient ability of the PETG sheet to resist thermal deformation by using a toughening crosslinking agent.

The application discloses a collagen scaffold biological patch for wound repair and a preparation method thereof, and belongs to the field of medical biomaterials. Raw materials include 90-110 parts of type I collagen, 8-20 parts of type III collagen, 3-8 parts of chondroitin sulfate, 5-15 parts of oxidized dextran, 3-8 parts of trehalose, 0.3-1.2 parts of modified boron glycol complex, 0.8-2.5 parts of EDC.HCl, 0.5-1.5 parts of NHS and 0.15-0.50 parts of genipin. The application effectively solves the problems of insufficient supporting force, excessively fast or slow degradation rate and toxicity of traditional cross-linking agents of the existing collagen scaffold biological patch, innovatively introduces the modified boron glycol complex and combines the double-layer cross-linking of EDC / NHS and genipin, constructs the collagen scaffold patch with high supporting force, controllable degradation and safety, and the patch has good cell compatibility and a wound healing promotion effect.

This invention provides a dielectric ion exchange membrane, its preparation method, and its application, relating to the field of membrane material preparation technology. The dielectric ion exchange membrane includes a substrate and an ion exchange membrane coated on the surface of the substrate. The ion exchange membrane comprises polyvinyl alcohol, an ion system, a UV-curable monomer, and a photoinitiator. By using UV curing technology, the crosslinking process and solvent evaporation can be precisely controlled during membrane formation, ensuring a smooth membrane surface and avoiding membrane curling caused by uneven shrinkage. The introduction of the UV-curable monomer is to form a crosslinked network under UV irradiation, inhibiting macroscopic structural flow and creep of the ion exchange membrane during film formation and service, improving the mechanical stability of the membrane, and forming a stable crosslinked structure, thereby forming a structurally stable dielectric ion exchange membrane and effectively preventing membrane curling during drying.

The invention belongs to the technical field of elastomer materials, and relates to high-toughness acrylic rubber and a preparation method thereof. Wherein the high-toughness acrylate rubber is formed by crosslinking an o-nitroalkylbenzene modified acrylate polymer, a monofunctional or polyfunctional polymerizable monomer and a photoinitiator. The o-nitroalkylbenzene modified acrylate polymer is formed by copolymerization of an o-nitroalkylbenzene monomer and an alkyl acrylate monomer under a thermal initiation condition. The o-nitroalkylbenzene monomer comprises two parts of structures which are covalently connected, wherein one part is an o-nitroalkylphenyl group with photosensitive activity; and the other part is a polymerizable active group. The acrylate rubber with high strength and high toughness can be rapidly obtained, and the preparation method of the acrylate rubber provided by the invention has the advantages of simple steps, no need of high temperature and pressurization, easily available preparation conditions, short preparation time and remarkable advantages in the preparation process.

A high-temperature stable gel for oil and gas development and its preparation method are disclosed. This invention belongs to the field of oilfield water shut-off technology. The purpose of this invention is to solve the technical problems of low crosslinking rate, poor crosslinking controllability, and insufficient gel strength and long-term stability of existing water shut-off gels using PEI as a crosslinking agent. The gel of this invention is prepared from acrylamide or acrylate polymers, hyperbranched polyethyleneamine, a crosslinking regulator, and water. The hyperbranched polyethyleneamine used in this invention has a much higher reactivity than PEI, significantly improving crosslinking efficiency, resulting in greater gel strength, easier control of gelation time, lower dosage, better injectability, excellent temperature and salt resistance, and environmental friendliness. It can be used for profile control and water shut-off during oil drilling and production.

The invention relates to the field of biological materials, and particularly discloses an acellular matrix material and a preparation method thereof. The preparation method of the material comprises the following steps: extracting a tissue material of a mammal, carrying out decellularization treatment on the tissue material to obtain a decellularized tissue material, freeze-drying the tissue material, and crushing to obtain an animal-derived decellularized matrix; resuspending an animal-derived acellular matrix in water, mixing the animal-derived acellular matrix with the modified epoxidized chitosan solution, adding transglutaminase for reaction, and freeze-drying the obtained product to obtain the acellular matrix material. According to the method, the animal-derived acellular matrix and the modified epoxidized chitosan are cross-linked, so that the biocompatibility of the acellular matrix can be improved, and immunological rejection can be reduced; meanwhile, as the cross-linking reaction is biological cross-linking under the action of transglutaminase, bioactive factors contained in the acellular matrix are not easy to damage in the cross-linking process, and the biological activity and safety are better.

The invention discloses a preparation method of an ultra-high molecular weight polyethylene composition, which comprises the following steps: 1) uniformly mixing ultra-high molecular weight polyethylene resin, a hindered amine stabilizer and a part of antioxidant to obtain a premixed composition; and 2) after the premixed composition is irradiated by a 15-50Kgy high-energy electron beam or a cobalt source, adding the rest antioxidant and peroxide to obtain the ultra-high molecular weight polyethylene composition. Compared with the prior art, through irradiation modification, the addition amount of peroxide in the ultra-high molecular weight polyethylene composition is reduced, the crosslinking efficiency is improved, adverse effects caused by too high addition amount of peroxide are avoided, and meanwhile, the wear resistance and heat resistance of the ultra-high molecular weight polyethylene composition are improved. The ultra-high molecular weight polyethylene composition can be used for manufacturing wear-resistant and pressure-resistant pipes, wear-resistant plates and the like with high heat resistance.

The invention discloses an irradiation cross-linked polyolefin insulating material and a preparation method and application thereof, and relates to the technical field of wire and cable materials, the irradiation cross-linked polyolefin insulating material comprises the following components by mass: 10-20 parts of polyethylene, 20-30 parts of a polyolefin elastomer, 50-70 parts of inorganic filling powder, 1-3 parts of an antioxidant, 5-8 parts of a cross-linking agent, and 1-3 parts of an initiator; the antioxidant is selected from at least one of a dialkyl hydrocarbon amine antioxidant, a benzofuranone antioxidant or a sulfo-antioxidant, and is not independently the sulfo-antioxidant; the cross-linking agent is a polyfunctional group acrylate compound, and the functionality is greater than or equal to 4. According to the invention, the specific antioxidant and cross-linking agent are adopted, so that a good cross-linking degree can be realized without high irradiation dose, and meanwhile, the color difference change before and after irradiation is reduced.

The invention relates to the technical field of cable materials, and particularly discloses a 150 DEG C-resistant ultraviolet crosslinking TPE insulating material and a preparation method thereof. The invention discloses an ultraviolet crosslinking TPE (thermoplastic elastomer) insulating material capable of resisting temperature of 150 DEG C. The ultraviolet crosslinking TPE insulating material comprises the following components in parts by weight: 100 parts of SEBS (styrene-ethylene-butylene-styrene) resin, 15-30 parts of EPDM (ethylene-propylene-diene monomer) rubber, 10-15 parts of KN resin, 1-2 parts of a photoinitiator, 1.5-2.5 parts of a crosslinking agent and 1.2-1.8 parts of an antioxidant, the KN resin is polyolefin resin with the density of 0.880-0.908 g / cm < 3 >, and the melt index of the KN resin is 3-18 g / 10 min. The insulation material provided by the invention can realize on-line rapid crosslinking through UV-LED irradiation equipment after being extruded, the production period is short, the efficiency is high, the energy consumption is low, and a cable prepared from the cable material has the characteristics of softness, high tensile strength and good thermal extension performance, and can meet the standard requirement of resisting the temperature of 150 DEG C.

The preparation method comprises the following steps: by taking whey protein isolate as a raw material, carrying out pulsed electric field treatment, adding glutamine transaminase (TG enzyme) for cross-linking, obtaining whey protein powder which is low in water content and easy to store and transport through a microwave freeze-drying technology, redissolving the whey protein powder, self-assembling the whey protein powder into colloid, and carrying out freeze-drying to obtain the slow-digestion high-satiety self-assembled whey protein. And the protein supplement has the advantages of slow digestion and high satiety, and is helpful for weight management of eaters.

The invention relates to the technical field of foaming materials, in particular to a polypropylene foaming material and a preparation method thereof. The polypropylene foaming material comprises the following components in parts by weight: 88-96.5 parts of polypropylene resin, 0.5-2 parts of a sensitizing agent, 2-5 parts of a nucleating agent and 1-5 parts of other auxiliary agents. The preparation method of the polypropylene foaming material comprises the following steps: S101, uniformly mixing polypropylene resin, a sensitizing agent, a nucleating agent and a compound additive according to a ratio to obtain a mixed material; s103, feeding the mixed material into an extruder, and carrying out extrusion granulation; s105, carrying out irradiation crosslinking on the extrudate obtained in the step S103; and S107, performing blow molding, extruding and foaming to obtain the polypropylene foaming material. The polypropylene foaming material is high in foaming ratio.

The present invention relates to the field of polymer technology, and specifically discloses a high-barrier biomedical consumable and a preparation method thereof, wherein the consumable comprises the following raw materials in parts by weight: 50-80 parts of modified polypropylene resin, 1-3 parts of a cross-linking agent, 0.8-2.5 parts of an auxiliary cross-linking agent, and 0.2-0.8 parts of a dispersant; wherein the cross-linking agent is an organic peroxide cross-linking agent, and the number of the contained -O-O- groups is 1-2. The consumable provided by the present invention is a high-performance polypropylene consumable containing a cross-linking agent, having excellent cross-linking effect, good barrier properties, excellent mechanical properties, and strong dimensional stability. When applied to biomedical consumables such as polypropylene blow-injected medicine bottles and bottle caps, the performance advantages are significant.

The invention provides a pig head meat structure recombination method based on compound enzyme treatment, and the method comprises the following steps: dissolving transglutaminase, laccase, soybean protein isolate and epigallocatechin gallate in a pickling solution, mixing with pig head meat, and rolling in a vacuum rolling machine. And pressing into a mold for molding and carrying out gradient temperature cooking. According to the invention, a meat product processing technology is combined, the combined use of transglutaminase and laccase is utilized to promote the texture recombination and bonding process of minced pig head meat in the compression molding and product cooking process to a greater extent, and through the addition of soybean protein isolate and epigallocatechin gallate and the processes of vacuum rolling and temperature programming, the quality of the minced pig head meat is improved. The catalytic effects of transglutaminase and laccase are enhanced. And finally, the structural characteristics (texture characteristics, meat color and microstructure) of the product and the generation amount of flavor substances are improved, and the final product has better overall acceptability. The method is simple and easy to implement and has a wide application prospect.