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32 results about "Fissure sealant" patented technology
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Fissure Sealants. Fissure sealants are plastic coatings that are painted on to the grooves of the back teeth. The sealant forms a protective layer that keeps food and bacteria from getting stuck in the tiny grooves in the teeth and causing decay.
Apparatus for applying tissue sealant
InactiveUS6132396AEasy to fillEasy to assembleLiquid surface applicatorsSurgeryTissue sealantGear wheel
A device and method for applying a fibrinogen-based tissue sealant to seamlessly connect human or animal tissues or organ parts, to seal wounds, stop bleeding and the like by mixing fibrin or fibrinogen with blood clot-promoting coagulation factors are disclosed. The device includes two cylindrical compartments for separately containing the separate fluid components of the sealant preparation, which are simultaneously displaced from the respective compartments by plungers commonly depressable with the same effective strokes. The plungers may be depressed directly or by a common mechanism (e.g., rack and pinion) for accurately controlling the rate of dispensing fluid. The cylindrical compartments are of the same or different cross-sectional area and are arranged either concentrically or side-by-side. The device further includes structure for merging the two fluid components within an outer sleeve housing an inner needle. The sleeve and needle contain conduits for the flow of the two fluid sealant components as they are expressed from the respective compartments. Also disclosed are a convenient device for filling the two compartments, structure for mixing the fluid components, and for atomizing the effluent sealant fluid stream (i.e., spraying).
Owner:PLASMASEAL
Two-part self-adhering dental compositions
ActiveUS7166651B2Simple procedureSave a lot of timeImpression capsGroup 5/15 element organic compoundsMethacrylateThiourea
A shelf-stable two-part self-adhering dental composition and method. The composition comprises(a) at least one acidic compound containing at least one acidic moiety selected from the group consisting ofwhere R is an alkyl or aryl group;(b) at least one polymerizable monomer without any acidic group where the polymerizable group is selected from the group consisting of an acrylate, a methacrylate and a vinyl group;(c) a substituted thiourea selected from the group consisting of 1-(2-pyridyl)-2-thiourea and 1-(2-tetrahydrofurfuryl)-2-thiourea; and(d) a hydroperoxide compound with at least one hydroperoxide group attached to a tertiary carbon. The first and second parts are then mixed immediately prior to application, applied to a dental substrate, and hardened. The bond strength of the mixed composition to dentine substrate is at least 3 MPa. The composition has excellent shelf-life and is self-adhering to various dental substrates such as a tooth, metal alloy and porcelain. It can be used as a filling material, a cement, a liner / base, a pit / fissure sealant, a primer or an adhesive.
Owner:THE KERR
Tissue sealant for use in noncompressible hemorrhage
InactiveUS20100256671A1Excellent hemostatic agent candidateLeast riskBiocidePowder deliveryLaparoscopyTissue sealant
ClotFoam is an hemostatic agent designed for non-compressible hemorrhage. It can be applied outside the operating room through a mixing needle and / or a spray injection method following abdominal, chest, extremities or other intracavitary severe trauma to promote hemostasis, or it can be used in the operating room for laparoscopic procedures or other surgical procedures in which compression is not possible or recommended. Its crosslinking technology generates an adhesive three-dimensional polymeric network or scaffold that carries a fibrin sealant required for hemostasis. When mixed, Clotfoam produces a foam that spreads throughout a body cavity reaching the lacerated tissue to seal tissue and promote the coagulation cascade. The viscoelastic attachment properties of the foam as well as the rapid formation of a fibrin clot that ensure that the sealant remains at the site of application without being washed away by blood or displaced by movement of the target tissue .
Owner:BIOMEDICA MANAGEMENT
Two-part self-adhering dental compositions
InactiveUS20070088097A1Simple procedureSave a lot of timeCosmetic preparationsImpression capsMethacrylateThiourea
A method of using a shelf-stable two-part self-adhering dental composition that comprises (a) at least one acidic compound containing at least one acidic moiety selected from the group consisting of where R is an alkyl or aryl group; (b) at least one polymerizable monomer without any acidic group where the polymerizable group is selected from the group consisting of an acrylate, a methacrylate and a vinyl group; (c) a substituted thiourea selected from the group consisting of 1-(2-pyridyl)-2-thiourea and 1-(2-tetrahydrofurfuryl)-2-thiourea; and (d) a hydroperoxide compound with at least one hydroperoxide group attached to a tertiary carbon. The first and second parts are then mixed immediately prior to application, applied to a dental substrate, and hardened. The bond strength of the mixed composition to dentine substrate is at least 3 MPa. The composition has excellent shelf-life and is self-adhering to various dental substrates such as a tooth, metal alloy and porcelain. It can be used as a filling material, a cement, a liner / base, a pit / fissure sealant, a primer or an adhesive.
Owner:THE KERR
Dental Polymerizable Composition
ActiveUS20080039592A1Improve antifouling performanceMaintains glazeImpression capsTeeth fillingEnd-groupFilling materials
A dental polymerizable composition comprising (a) a fluorine compound comprising a chain polymer having a main chain comprising a monomer unit having a hydrophilic group, and terminal groups comprising a fluoroalkyl group at each of both ends of the main chain; (b) a polymerizable monomer; and (c) a polymerization initiator. The dental polymerizable composition can be suitably used, for example, for dental composite resins, such as dental composite filler materials, crowning materials, and bonding materials; dental adhesive agents, such as teeth-straightening adhesive agents, cavity-coating adhesive agents, and tooth fissure sealing materials; denture base materials, denture base mucosal adjusting materials, fissure sealants, coating agents applied to tooth surface or dental prosthetic, surface glazes, and the like, and especially for various coating applications, for example, a fissure sealant, a coating agent to tooth surface or dental prosthetic, surface stains or a surface glaze, a hypersensitive inhibitor, a dental manicure, or the like.
Owner:KURARAY NORITAKE DENTAL
Method and apparatus for sealing cracks
A portable dispensing device for dispensing a crack sealant, comprises an outer housing, a melting kettle for holding crack sealant to be melted, a guide mechanism in the housing below the kettle for positioning a burner below the kettle, a burner assembly removably mounted in an air gap between the outer housing and the melting kettle using the guide mechanism, the removable burner assembly configured to direct a flame against a surface of the melting kettle, a control valve fluidly connected to the melting kettle to dispense melted crack sealant, and a handle assembly for manually moving the portable dispensing device.
Owner:RYNOWORX IND INC
Dental polymerizable composition
ActiveUS7683103B2Improve antifouling performanceLittle discolorationImpression capsTeeth fillingEnd-groupFilling materials
Owner:KURARAY NORITAKE DENTAL
Low swell, long-lived hydrogel sealant
A low swell, long-lived hydrogel sealant formed by reacting a highly oxidized polysaccharide containing aldehyde groups with a multi-arm amine is described. The hydrogel sealant may be particularly suitable for applications requiring low swell and slow degradation, for example, ophthalmic applications such as sealing wounds resulting from trauma such as corneal lacerations, or from surgical procedures such as vitrectomy procedures, cataract surgery, LASIK surgery, glaucoma surgery, and corneal transplants; neurosurgery applications, such as sealing the dura; and as a plug to seal a fistula or the punctum. The low swell, long-lived hydrogel sealant may also be useful as a tissue sealant and adhesive, and as an anti-adhesion barrier.
Owner:ACTAMAX SURGICAL MATERIALS
Crack sealer product and method
InactiveUS20120168467A1Poor heat conductorPrevent leakageLayered productsLaminationTarRoom temperature
A product and method for sealing cracks in pavements, roofs, or the like utilizes a can containing a tar sealant. The tar sealant is a solid at room temperature and assumes a fluid state pourable from the can when the tar sealant is heated in the can to a temperature above the melting temperature of the tar sealant. A spout and handle that can withstand the heat are fitted to the can for pouring the melted tar sealant in a fluid state from the can into a crack to be sealed.
Owner:MURPHY JOSEPH
Meltable crack sealant packaging
ActiveUS9248588B2Reduce surface tackPoint becomes highRemovable lids/coversPaving detailsEngineeringMechanical engineering
A meltable crack sealant package that includes a polymeric container and a crack sealant material contained therein. The polymeric container includes a bottom portion including a rigid base and an upwardly extending rigid sidewall that terminates in and define an opening. The rigid base and upwardly extending rigid sidewall cooperate to define a reservoir. A rigid lid portion operatively engages with the bottom portion to close off the opening and thereby seal the crack sealant material within the reservoir in a watertight manner. Methods of making and using the meltable crack sealant package are also disclosed.
Owner:P & T PROD
Crack sealer product and method
InactiveUS9631382B2Poor heat conductorPrevent leakageLayered productsBuilding repairsTarRoom temperature
A product and method for sealing cracks in pavements, roofs, or the like utilizes a can containing a tar sealant. The tar sealant is a solid at room temperature and assumes a fluid state pourable from the can when the tar sealant is heated in the can to a temperature above the melting temperature of the tar sealant. A spout and handle that can withstand the heat are fitted to the can for pouring the melted tar sealant in a fluid state from the can into a crack to be sealed.
Owner:MURPHY JOSEPH
Liquid composition additive to reduce curing time of surface coatings
A liquid composition, active curing additive for water or solvent borne surface coatings and sealants such: latex products, paints, putties, caulks, sports track and court construction, asphalt or coal tar seal coating, asphalt paving, micro-seal, roof tars, asphalt emulsions, crack sealants, and the like is provided. The additive functions to significantly reduce the amount of time required for the surface coating to cure and thereby allows the coated or sealed surface to be quickly returned to service. Preferably, the additive is composed of a composition of fly ash, hydrous ammonia, water or solvent, and bentonite. This formulation, when added to a liquid surface sealant or coating, will create an active process within the film of the said sealant or coating which draws water out of the film extremely fast, thereby reducing the amount of time required for the surface coating or sealant to cure.
Owner:SGA ADVANCED SOLUTIONS
Polymerizable quaternary ammonium salt modified anti-microbial pit and fissure sealant and preparation method thereof
InactiveCN106008812AImprove liquidityLong operating timeImpression capsDentistry preparationsFunctional monomerReactive diluent
The invention discloses a polymerizable quaternary ammonium salt modified anti-microbial pit and fissure sealant and a preparation method thereof and belongs to the technical field of medical materials for the oral cavity. The polymerizable quaternary ammonium salt modified anti-microbial pit and fissure sealant is prepared from 40%-80% of resin monomer matrixes, 15%-40% of a reactive diluent, 3%-25% of functional monomers, 0.5%-10% of polymerizable quaternary ammonium salt monomers, 1%-20% of nanoscale filler, 0.5%-3% of NaF, 0.05%-3% of a photosensitive initiation mixture, 0.001%-0.05% of a polymerization inhibitor and 0.3%-5% of pigment. The pit and fissure sealant has good biological safety, is short in curing time at the temperature of the oral cavity and long in operation time and has an effective and lasting antibacterial effect; the preparation method is simple to operate, environment-friendly and suitable for industrial large-scale production.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY
Pit and fissure sealant for dental department
ActiveCN103876944AReduce viscosityImprove performanceImpression capsDentistry preparationsHardnessFluoride
The invention relates to a pit and fissure sealant for dental department. The pit and fissure sealant comprises the following two compositions in percentage by weight: 5%-30% of superfine structured packing with an average particle size of 0.05-0.4mu m, and 95%-70% of polymerizable acrylate monomer containing a photo-initiating system, wherein the superfine structured packing is superfine silica structured powder packing which is treated by fluoride. The pit and fissure sealant for dental department is high in hardness, good in wear resistance, high in compressive strength and bending strength, and low in manufacturing cost. The superfine silica structured powder packing which is treated by fluoride can continuously release fluorine ions.
Owner:BEIJING GOOCHE HEALTH TECH
Antimicrobial dental materials contraining 2,4,4' -trichloro2' -hydroxydiphenyl ether
InactiveUS20020012634A1Long-term antimicrobial effectLow water solubilityCosmetic preparationsImpression capsMedicineEther
Polymerizable denial materials having an antimicrobial effect are provided. These include dental materials such as protective dental varnishes, composites, compomers, fissure sealants, dental cements, dental bonding agents and similar materials, and containing 2,4,4'-trichloro-2'-hydroxydiphenyl ether.
Owner:DENTSPLY DETREY GMBH
Meltable crack sealant packaging
ActiveUS20140248082A1Reduce surface tackHigh softening pointWood working apparatusCeramic shaping apparatusMechanical engineeringPolymer
A meltable crack sealant package that includes a polymeric container and a crack sealant material contained therein. The polymeric container includes a bottom portion including a rigid base and an upwardly extending rigid sidewall that terminates in and define an opening. The rigid base and upwardly extending rigid sidewall cooperate to define a reservoir. A rigid lid portion operatively engages with the bottom portion to close off the opening and thereby seal the crack sealant material within the reservoir in a watertight manner. Methods of making and using the meltable crack sealant package are also disclosed.
Owner:P & T PROD
Liquid composition additive to reduce curing time of surface coatings
InactiveUS7175703B2Shorten the curing timePigmenting treatmentCoatingsLiquid surfacesMaterials science
A liquid composition, active curing additive for water or solvent borne surface coatings and sealants such: latex products, paints, putties, caulks, sports track and court construction, asphalt or coal tar seal coating, asphalt paving, micro-seal, roof tars, asphalt emulsions, crack sealants, and the like is provided. The additive functions to significantly reduce the amount of time required for the surface coating to cure and thereby allows the coated or sealed surface to be quickly returned to service. Preferably, the additive is composed of a composition of water; calcium chloride granules; citric acid granules; and an ammonium dispersing composition. Alternatively, aluminum sulfate may be utilized in place of calcium chloriade and citric acid. This formulation, when added to a liquid surface sealant or coating, will create an active process within the film of the said sealant or coating which draws water out of the film extremely fast, thereby reducing the amount of time required for the surface coating or sealant to cure.
Owner:SGA ADVANCED SOLUTIONS
Dental isolator
The dental isolator of the present invention is a one-time use dental device which is easy to use as well as easily customizable for the intended patient. The present invention can be used in the preparation and application of a pit and fissure sealant procedure. The dental isolator of the present invention can be adjusted and customized to tailor fit the mouth of the patient. The dental isolator of the present invention is positively retained within the patient's mouth and protects the isolated teeth from moisture on distal, lingual and facial exposure points.
Owner:FOOS VALERIE LEE
Tissue sealant for use in non-compressible hemorrhage
InactiveUS8680240B1Least riskLittle useSurgical adhesivesPeptide/protein ingredientsTissue sealantPeritoneoscopes
ClotFoam is a sealant and hemostatic agent for use in cases of non-compressible hemorrhage for moderate to severe bleeding. It can be applied in the operating room through laparoscopic ports, or directly over lacerated tissue in laparotomy procedures or outside the operating room through a mixing needle and / or a spray injection method following intracavitary severe trauma or surgery. Its crosslinking technology generates an adhesive scaffold that carries a fibrin sealant required for hemostasis. Clotfoam produces a foam that spreads throughout a body cavity reaching the lacerated tissue to seal tissue and promote the coagulation cascade. The composition is biocompatible and non-inflammatory.The invention uses fibrin monomer polymerized by a change of pH as active sealing component. The viscoelastic properties of the foam as well as the rapid formation of a fibrin clot ensure that the sealant remains at the site of application without being washed away by blood.
Owner:FALUS GEORGE DAVID
Preparation methods for fluorine-containing alpha-calcium sulfate hemihydrate powder and fluorine-containing calcium sulfate artificial bone material
ActiveCN104016397AUniform sizeAffects crystal morphologyImpression capsCalcium/strontium/barium sulfatesArtificial boneBiocompatibility
The invention discloses preparation methods for fluorine-containing alpha-calcium sulfate hemihydrate powder and a fluorine-containing calcium sulfate artificial bone material, and belongs to the field of medical biological materials. The preparation method for the fluorine-containing alpha-calcium sulfate hemihydrate powder is as follows: adding a fluorinating agent in a process of adding calcium sulfate dihydrate into mixed reaction liquor of calcium chloride aqueous liquor and absolute ethyl alcohol for partly removing crystalline water to prepare alpha-calcium sulfate hemihydrate, so that fluoride ions partly substitute ions in calcium sulfate hemihydrate to prepare the fluorine-containing alpha-calcium sulfate hemihydrate powder. The fluoride ions change crystal structure of calcium sulfate hemihydrate, so that the crystalline grain feature of the fluorine-containing alpha-calcium sulfate hemihydrate powder is obviously changed to an equiaxial hexagonal prism shape from a slender prism shape. The material has good degradation property and biocompatibility, and therefore, the prepared fluorine-containing alpha-calcium sulfate hemihydrate artificial bone material can be applied to the medical repair field, for example, can be used as dental materials such as a dental cementation material, dental filler, a pit and fissure sealant, and the like, and can be used as a root canal product, and the like.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
Method and apparatus for sealing cracks
A portable dispensing device for dispensing a crack sealant, comprises an outer housing, a melting kettle for holding crack sealant to be melted, a guide mechanism in the housing below the kettle for positioning a burner below the kettle, a burner assembly removably mounted in an air gap between the outer housing and the melting kettle using the guide mechanism, the removable burner assembly configured to direct a flame against a surface of the melting kettle, a control valve fluidly connected to the melting kettle to dispense melted crack sealant, and a handle assembly for manually moving the portable dispensing device.
Owner:RYNOWORX IND INC
Fluorine ion-releasable composition for dental purposes
InactiveCN101146507AHigh fluoride ion releaseGood release effectImpression capsDigestive systemControl mannerNuclear chemistry
A fluorine ion-releasable composition for dental purposes comprising (a) an inorganic powder, (b) a fluorine ion-releasable substance, (c) a polymerizable monomer and (d) a polymerization initiator, the inorganic powder (a) comprising a complex particle comprising a base particle composed of an inorganic substance and a layer composed of a polysiloxane formed on the surface of the base particle, and the fluorine ion-releasable substance (b) comprising at least one component selected from the group consisting of ammonium fluoride, ammonium hydrogenfluoride, a metal fluoride, a polymer having a vinyl monomer bearing an acid fluoride group as the constitutional unit and a fluorine-containing phosphazene monomer. The composition can provide a high anti-cariogenicity to tooth structure for a prolonged period of time by the action of a fluorine ion released from the composition in a controlled manner. Therefore, the composition can be used suitably as a dental adhesive, a dental filler, a resin for core build-up for dental purposes, a pit and fissure sealant, a dental coating material (manicure), a dental cement or the like.
Owner:KURARAY NORITAKE DENTAL
Synthesis and detection method of modified novel antibacterial resin type pit and fissure sealing agent
PendingCN113406315ALong lasting antimicrobial propertiesImprove mechanical propertiesMicrobiological testing/measurementPreparing sample for investigationAntimicrobial actionBiofilm
The invention belongs to the technical field of oral clinic, and discloses a synthesis and detection method of a modified novel antibacterial resin type pit and fissure sealing agent, which comprises the following steps: preparing the pit and fissure sealing agent, and screening the dosage relation; carrying out performance detection on the prepared pit and fissure sealing agent, grouping according to the mass fraction of DMADDM, and respectively detecting the photocuring depth, cytotoxicity, surface roughness and microhardness of the pit and fissure sealing agent, with five samples in each group; carrying out antibacterial performance detection before and after biological aging; and carrying out micro-leakage detection after biological aging. The modified resin sealant material can effectively resist the aging effect of an oral biofilm, has a long-acting and sustainable antibacterial effect while maintaining excellent mechanical properties, and makes up for the deficiency of the long-acting anti-caries performance of the existing pit and fissure sealant. The quaternary ammonium salt modified pit and fissure sealing agent developed by the invention has a long-acting antibacterial function, can effectively improve the success rate of caries prevention, and is expected to become a clinically ideal novel pit and fissure sealing material.
Owner:SICHUAN UNIV
Preparation method of fluorine-containing α-calcium sulfate hemihydrate powder and calcium sulfate artificial bone material
ActiveCN104016397BUniform sizeAffects crystal morphologyImpression capsDentistry preparationsBiocompatibilityArtificial bone
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
Dental pit and fissure sealant and preparation method thereof
ActiveCN105708713BImprove performanceLow polymerization shrinkageImpression capsDentistry preparationsPolymerisation shrinkageAlcohol
The invention relates to a pit and fissure sealant for dentistry and a preparation method thereof, belonging to the field of medical biomaterials. The pit and fissure sealant for dentistry includes the following two substances: a filler with a content of 5-50wt% and an average particle size of 0.010-0.120μm, wherein the content of fillers with a particle size greater than 0.120μm is less than 50wt%; base resin, The content is 50-95wt% and consists of PEGUDMA, DIAUDMA, diluent and photoinitiator. The present invention prepares the pit and fissure sealant by blending the nano-zirconia alcohol solution with the resin monomer and removing the solvent. This method can make the nano-filler disperse more uniformly in the resin monomer, and can be used without affecting the fluidity of the product. The content of nano filler is greatly increased, thereby enhancing the mechanical strength of the product (compressive strength is at least 200MPa), and reducing the polymerization shrinkage rate (less than 5%).
Owner:北京安泰生物医用材料有限公司
Manufacturing method of mildew-free sealant
InactiveCN107828369AFast vulcanizationMildew proof for a long timeNon-macromolecular adhesive additivesMacromolecular adhesive additivesDisiloxaneGas phase
The invention relates to a manufacturing method of a mildew-free sealant. The manufacturing method comprises the following steps: adding 100 parts of hydroxyl-terminated polysiloxane and 5 to 20 partsof gas-phase silicon dioxide into a planetary stirring machine to obtain a mixture and stirring the mixture for 1 to 5 hours; adding 1 to 5 parts of perfluoro (heptadecafluoro) decyl-trimethoxy silane, 0.01 to 0.1 part of 1,3-dicyclohexyl-1,1,3,3-tetra[(norborene-2-yl) ethyl dimethylsiloxy] disiloxane, 1 to 5 parts of poly-4-methyl-1-pentene and 0.5 to 2 parts of bis(acetylacetone) (ethoxy ethoxypropyl) titanate; performing stirring for 1 to 5 hours to obtain the mildew-free sealant.
Owner:浙江久而久化学有限公司
Dental pit and fissure sealant
ActiveCN103876944BImprove performanceReduce viscosityImpression capsDentistry preparationsHardnessFluoride
The invention relates to a pit and fissure sealant for dental department. The pit and fissure sealant comprises the following two compositions in percentage by weight: 5%-30% of superfine structured packing with an average particle size of 0.05-0.4mu m, and 95%-70% of polymerizable acrylate monomer containing a photo-initiating system, wherein the superfine structured packing is superfine silica structured powder packing which is treated by fluoride. The pit and fissure sealant for dental department is high in hardness, good in wear resistance, high in compressive strength and bending strength, and low in manufacturing cost. The superfine silica structured powder packing which is treated by fluoride can continuously release fluorine ions.
Owner:北京固琦口腔科技有限公司
Nutrition supplementing and tooth-decay-resistant complexing agent product ingredient and preparation method thereof
InactiveCN107334783AAntibacterial agentsHydroxy compound active ingredientsAdditive ingredientPhosphate ion
The invention provides a nutrition supplementing and tooth-decay-resistant complexing agent and a preparation method thereof. The nutrition supplementing and tooth-decay-resistant complexing agent is prepared from acidic calcium phosphate monohydrate compounds and basic calcium oxide compounds; and the nutrition supplementing and tooth-decay-resistant complexing agent is single stable chewing gum, candy, cake, chewable tablets or buccal tablets. The released calcium and phosphate ions can realize remineralization and decayed tooth repair; meanwhile, the growth of oral bacteria and the formation of a dental plaque biomembrane can be inhibited; the oral cavity acidity is neutralized; and the calcium is provided as the nutrition supplement. The nutrition supplementing and tooth-decay-resistant complexing agent can be used as an effective ingredient to be added to other external carrying tools, including toothpaste, dental paint, tooth pasting films, mouthwash, gel, fissure sealants, dental bonding agents and composite resin.
Owner:合华生物科技(杭州)有限公司
Pit and fissure sealing agent for permeating and sealing tooth occlusal surface pits and fissures and application of pit and fissure sealing agent
PendingCN114681333AIncreasing the thicknessReduce adhesionImpression capsMedical preparationsDisulfide bondingPolyethylene glycol
The invention provides a pit and fissure sealant for permeating and sealing pits and fissures on an occlusal surface of teeth and application of the pit and fissure sealant. The pit and fissure sealant comprises the following raw materials in parts by weight: 1-15 parts of polyethylene glycol, 1-20 parts of protein, 1-10 parts of a disulfide bond reducing agent or a disulfide bond oxidizing agent, 1-3 parts of calcium chloride and 2-20 parts of a pH regulator. The nest and fissure sealing agent can be prepared by physically mixing protein and polyethylene glycol through a one-pot method, and is simple in preparation, mild in reaction condition and good in controllability.
Owner:SHAANXI NORMAL UNIV +2
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