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53results about "Cellulose derivative adhesives" patented technology
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Organic acid carbohydrate binders and materials made therewith
InactiveUS20130174758A1Promising performanceIncrease corrosion rateCosmetic preparationsToilet preparationsCross-linkFiber
A binder comprising a polymeric binder comprising the products of a carbohydrate reactant and organic acid is disclosed. The binder is useful for consolidating loosely assembled matter, such as fibers. Fibrous products comprising fibers in contact with a carbohydrate reactant and an organic acid are also disclosed. The binder composition may be cured to yield a fibrous product comprising fibers bound by a cross-linked polymer. Further disclosed are methods for binding fibers with the carbohydrate based binder using an organic acid.
Owner:KNAUF INSULATION LLC
Method for manufacturing anisotropic multi-pole magnetic ring through dry-press forming
ActiveCN101599333AGood orientationWell formedCellulose derivative adhesivesWax adhesivesMetallurgyMagnetization
The invention relates to the field of magnetic materials, in particular to a method for manufacturing an anisotropic multi-pole magnetic ring through dry-press forming. Aiming at the problem that the multi-pole magnetic ring manufactured by the prior art through the dry-press forming is easy to crack, has low yield and the like, the invention provides the method for manufacturing the anisotropic multi-pole magnetic ring through the dry-press forming, and for the multi-pole magnetic ring manufactured by the method, the surface magnetism is more than 1,500 Gs, the Br is more than 3,600 Gs, and the Hcb is more than 3,000 Oe. The aim of the invention is achieved through the following technical proposal: performing wet method pulverization on magnetic powder; adding more than one binding agent and lubricating agent into the magnetic powder which is dried; then performing prepressing and pre-magnetization on the mixture, and then performing a mixing process for mixing the mixture by using a high-speed disintegrator; performing a double-sided equal pressure forming process on the powder in a radial magnetic field; and performing a sintering process for sintering the formed sample, wherein the magnetic powder contains a pre-sintering material and an additive.
Owner:HENGDIAN GRP DMEGC MAGNETICS CO LTD
Denture adhesive compositions and methods
InactiveUS20120037038A1Cosmetic preparationsOther chemical processesDenture adhesivesViscosity index
Owner:THE PROCTER & GAMBLE COMPANY
Temporary adhesive for production of semiconductor device, and adhesive support and production method of semiconductor device using the same
InactiveUS20150184032A1Improve adhesionReduce generationCellulose derivative adhesivesSolid-state devicesChemical treatmentAdhesive
By a temporary adhesive for production of semiconductor device containing (A) a polymer compound having a thermal decomposition initiation temperature of 250° C. or more, and (B) a radical polymerizable monomer, and an adhesive support and a production method of semiconductor device using the same, a temporary adhesive for production of semiconductor device, which can temporarily support a member to be processed (for example, a semiconductor wafer) with a high adhesive force even under high temperature condition (for example, at 100° C.) when the member to be processed is subjected to a mechanical or chemical processing, which reduces a problem of generation of gas therefrom in the temporary support even under high temperature condition, and which can easily release the temporary support for the member processed without imparting damage to the member processed, and an adhesive support and a production method of semiconductor device using the same can be provided.
Owner:FUJIFILM CORP
Biomimetic Adhesive Compositions Comprising a Phenolic Polymer and Methods for Use Thereof
Biomimetic adhesive compositions can be used in various aspects of subterranean treatment operations. Methods for treating a subterranean formation can comprise: providing an adhesive composition that comprises a first polymer comprising a plurality of monomers that comprise a phenolic moiety, a biopolymer that is crosslinkable with the first polymer, a crosslinking agent, and an oxidizing agent; introducing the adhesive composition into a subterranean formation; and forming a coacervate-bound surface in the subterranean formation by crosslinking the first polymer.
Owner:HALLIBURTON ENERGY SERVICES INC
Adhesive
ActiveUS20160333240A1Promote denaturisationPromote solubilisationAgar-agar adhesivesStarch adhesivesLignanPolyphenol
An aqueous adhesive composition and a process for preparing such compositions are disclosed. The composition comprises macromolecular complex comprising (A) a first component comprising (i) a framework element and (ii) a polyphenol, and (B) second component comprising a polypeptide, oligopeptide, amino acid, or polyamine. The framework element comprises (a) a polypeptide, oligopeptide, amino acid, or polyamine, (b) a polysaccharide, oligosaccharide, or monosaccharide, or a saccharide conjugate, or (c) a lignin, a lignan or a lignin conjugate. The polyphenol comprises a tannin, a tannic acid, a flavonoid, or a poly-resorcinol. An adhesive precursor composition comprising the first component is also disclosed.
Owner:NEW ZEALAND FOREST RES INST
Collagen-polysaccharide materials mimicking blood vessels, tissues and bones for medical, pharmaceutical and orthopedic applications, and processes for producing the same
Provided is a collagen-cellulose material containing, based on a total weight of the collagen-cellulose material: 1.0-9.0 wt. % of a collagen; 0.2-3.0 wt. % of cellulose or a derivative thereof; 0.5-6.5 wt. % of at least one acid selected from an inorganic acid, an organic acid, and mixtures thereof; and water. Also provided is a process for producing the collagen-cellulose material. Also provided is an artificial blood vessel containing the collagen-cellulose material which is in the form of a hollow tube, an artificial tissue containing the collagen-cellulose material which is in the form of a sheet, and an artificial bone containing the collagen-cellulose material which is in the form of a solid. Also provided is a medical device containing the collagen-cellulose material, as well as a process for testing phlebotomical, surgical or orthopedic instrumentation or practicing phlebotomical, surgical or orthopedic procedures using the medical device containing the collagen-cellulose material.
Owner:NITTA CASINGS
Biodegradable composition, processed biodegradable article such as food container, and method of producing the same
InactiveUS20100236972A1Satisfactory strengthSatisfactory water resistanceTable equipmentsCellulose derivative coatingsFoam food containerPolyol
The present invention provides a processed biodegradable article having excellent water resistance and rigidity, which can be used as a food container, and a biodegradable composition required to produce the processed biodegradable article.The respective components are mixed such that the content of starch is 15% by mass or more and 75% by mass or less, the content of protein is 5% by mass or more and 50% by mass or less, the content of cellulose fiber is 3% by mass or more and 50% by mass or less, the content of polyphenols is 0.5% by mass or more and 20% by mass or less, and the content of sodium chloride is 0% by mass or more and 5% by mass or less, and then water is added in the amount of 10 parts by mass or more and 100 parts by mass or less based on 100 parts by mass of the mixture, followed by kneading the mixture using a mixer. Then, the kneaded mixture is press-molded into a predetermined shape such as a cup or a dish, and heat-treated at 120° C. or higher and 180° C. or lower to obtain a processed article having excellent biodegradability.
Owner:NUCLEAR ENG
Fibrous Substrates Adhered with Substituted Cellulose Ester Adhesives and Methods Relating Thereto
Owner:ACETATE INT LLC
Adhesive
Owner:NEW ZEALAND FOREST RES INST
Preparation method of hyperbranched modified cellulose wood adhesive
PendingCN113861880ASolve formaldehyde releaseHigh bonding strengthCellulose derivative adhesivesPolyamine CompoundPolymer science
The invention discloses a preparation method of a hyperbranched modified cellulose wood adhesive, which comprises the following steps: oxidizing microcrystalline cellulose (MCC) by sodium periodate to obtain dialdehyde cellulose (DAC), and further preparing the cellulose-based wood adhesive by taking the dialdehyde cellulose (DAC) and a hyperbranched polyamine compound as raw materials through Schiff base reaction. The hyperbranched modified cellulose wood adhesive is green and environment-friendly, free of formaldehyde release, high in bonding strength and good in water resistance when being used for plywood, and the performance of the hyperbranched modified cellulose wood adhesive is superior to that of the national standard GB / T 17657-2013. The invention aims to develop a novel cellulose-based biomass formaldehyde-free wood adhesive, and meanwhile, high-value and high-efficiency utilization of cellulose biomass resources is realized.
Owner:SOUTHWEST FORESTRY UNIVERSITY
Fibrous substrates adhered with substituted cellulose ester adhesives and methods relating thereto
Fibrous substrates may be adhered to other substrates utilizing substituted cellulose ester adhesives that comprises a cellulose polymer backbone having an organic ester substituent and an inorganic ester substituent that comprises an inorganic, nonmetal atom selected from the group consisting of sulfur, phosphorus, boron, and chlorine.
Owner:CELANESE ACETATE LLC
Cellulose-based dopa adhesive and preparation method thereof
The present invention relates to an adhesive, and more particularly to a cellulose-based dopa adhesive and a preparation method thereof. The preparation method is characterized in that dopamine hydrochloride is grafted to oxidized cellulose in the form of amide bond by amidation. Also provided is a cellulose-based dopa adhesive prepared by the method. Dopa is combined with oxidized cellulose basedon the adhesion, water resistance, non-toxicity and biocompatibility of the dopa, and dopamine hydrochloride is used to graft the oxidized cellulose, imparting adhesion to the oxidized cellulose. Thus, a non-toxic, harmless and pollution-free adhesive is prepared. Due to the compatibility of dopa and the biodegradability of cellulose, the product can be applied to biomedical and other areas.
Owner:FUJIAN AGRI & FORESTRY UNIV
Binder composition for manufacturing electrode of energy storage device and method for manufacturing electrode of energy storage device
InactiveUS20120313051A1Sufficient binding forceSufficient forceElectrode manufacturing processesNon-macromolecular adhesive additivesBinding forceEnergy storage
Disclosed herein are a binder composition for manufacturing an electrode of an energy storage device and a method for manufacturing an electrode of an energy storage device. The binder composition includes galactomannan as a major component and may exhibit sufficient binding force with a considerably small amount, as compared to binders in the related art. When the binder composition disclosed herein is used to manufacture an energy storage device having the same weight as that manufactured using the binder in the related art, the energy storage device may contain a greater amount of active material, compared to the binder in the related art. Consequently, beneficial effects such as improvement in an energy density as well as eco-friendly characteristics may be rendered.
Owner:SAMSUNG ELECTRO MECHANICS CO LTD
Biomimetic adhesive compositions comprising a phenolic polymer and methods for use thereof
Biomimetic adhesive compositions can be used in various aspects of subterranean treatment operations. Methods for treating a subterranean formation can comprise: providing an adhesive composition that comprises a first polymer comprising a plurality of monomers that comprise a phenolic moiety, a biopolymer that is crosslinkable with the first polymer, a crosslinking agent, and an oxidizing agent; introducing the adhesive composition into a subterranean formation; and forming a coacervate-bound surface in the subterranean formation by crosslinking the first polymer.
Owner:HALLIBURTON ENERGY SERVICES INC
Electric aluminum suitable for low-temperature hot stamping and preparation method thereof
ActiveCN107323119AStable in natureAvoid consumptionMineral oil hydrocarbon copolymer adhesivesNon-macromolecular adhesive additivesHot stampingAdhesive
The invention provides electric aluminum suitable for low-temperature hot stamping. An adhesive layer is formed by coating of an adhesive. The adhesive is composed of, by weight, 1-40 parts of a low-softening-point resin compound, 10-90 parts of solvent and 0.2-10 parts of auxiliaries, wherein the low-softening-point resin compound at least comprises 1-20 parts of polyamide resin and 1-10 parts of rosin resin. According to the aluminum suitable for low-temperature hot stamping, the low-softening-point resin compound comprises the polyamide resin and the rosin resin of certain proportions, the prepared adhesive is stable in performance through the mutual effect of the polyamide resin and the rosin resin, the melting temperature of the adhesive layer formed by coating of the adhesive can be controlled to be 50-110 DEG C, thus hot stamping is conducted under the condition of low temperature of 70-120 DEG C, and high energy consumption is avoided; and besides, the severe loss of moisture in a hot-stamped material and thermal expansion of a hot stamping plate are avoided, the rejection rate is decreased, and the product cost is reduced.
Owner:ANHUI JIYOU NEW MATERIAL CO LTD
Biodegradable composition, processed biodegradable article such as food container, and method of producing the same
InactiveUS7955428B2Satisfactory resistanceSatisfactory strengthTable equipmentsCellulose derivative coatingsGallic acid esterPolymer science
The present invention provides a processed biodegradable article having excellent water resistance and rigidity, which can be used as a food container, and a biodegradable composition required to produce the processed biodegradable article comprising 15-75% by mass starch, 5-50% by mass protein, 3-50% by mass cellulose fiber, 0.5-20% by mass polyphenols such as pyrogallol and gallic acid, and 0-5% by mass sodium chloride.
Owner:NUCLEAR ENG
Binder resin for inorganic particle-dispersed pastes and inorganic particle-dispersed paste
ActiveCN106716552AImprove printing effectGood adhesionNon-macromolecular adhesive additivesFixed capacitor electrodesPolymer scienceInorganic particle
Provided are a binder resin for inorganic particle-dispersed pastes, said binder resin having both good printing properties and high adhesiveness, and an inorganic particle-dispersed paste. The binder resin for inorganic particle-dispersed pastes is a resin that contains a mixture prepared by mixing X parts by mass of polyvinyl acetal with Y parts by mass of a cellulose derivative in such a manner as to satisfy the requirement 0.2<=X / (X+Y) <=0.8, wherein, when the resin is mixed with spherical nickel particles having an average particle size of 0.3[mu]m, barium titanate particles having an average particle size of 0.05 [mu]m, a nonionic surfactant, dihydroterpineol and a mineral spirit at a preset ratio and kneaded to give a paste and a strain of 0.02 and a strain of 0.2 are applied to the paste at an angular frequency of 6.284 rad / s, the phase difference value delta caused by the strains and the resultant stresses is larger than 45 degrees, and the ratio of the viscosity at a shear rate of 4 (1 / s) of the paste to the viscosity at a shear rate of 40 (1 / s) thereof is not greater than 4.5.
Owner:SHOEI CHEM IND CO LTD
Environment-friendly bio-oil starch adhesive and preparation method thereof
ActiveCN112375509AImprove antibacterial propertiesImprove water resistanceNon-macromolecular adhesive additivesCellulose derivative adhesivesPolyvinyl alcoholAdhesive
The invention discloses an environment-friendly bio-oil starch adhesive and a preparation method thereof. The adhesive comprises the raw materials by weight: 40-55 parts of starch, 1-1.2 parts of an oxidant, 25-35 parts of polyvinyl alcohol, 10-20 parts of acrylamide, 8-10 parts of quaternary ammonium salt chitosan, 25-30 parts of bio-oil, 6-9 parts of a curing agent, 10-12 parts of modified cellulose and 10-12 parts of modified silicon dioxide. The environment-friendly bio-oil starch adhesive and the preparation method thereof provided by the invention have the advantages that the environment-friendly bio-oil starch adhesive is simple in process design and reasonable in component proportion, the prepared adhesive not only has excellent water resistance and bonding performance, but also has excellent antibacterial property, and the practicability is greatly improved.
Owner:浙江荣禾新材料股份有限公司
Fiber molding preform composition and process for preform formation
A preform for thermoset resin composition molding is provided that upon cure forms a variety of molded and fiber reinforced articles used in a variety of applications such as vehicle components including bed lines, body components, trim, interior components, and undercar components; architectural components such as trim and doors, marine components including hulls, trim, and cockpit pieces; and similar structures in aerospace settings. A novel slurry composition, a novel centrifugal process, or a combination thereof provide superior quality preforms that are created with greater throughput relative to conventional techniques. The inhibition of fiber movement between the time such a fiber contacts the mold, or fibers already in place on the mold, and the time the fibers are set in position provides a superior fiber homogeneity and randomized orientation relative to existing slurry techniques with attributes of low scrap generation, and process flexibility with respect to part shape and fiber material.
Owner:TEIJIN AUTOMOTIVE TECH INC
Building adhesive
InactiveCN103805090AHas acid and alkali resistanceIncrease stickinessCellulose derivative adhesivesStarch adhesivesCelluloseCrack resistance
The invention discloses a building adhesive. The building adhesive is prepared from cassava starch of 40 to 50kg, polyvinyl alcohol of 5 to 10kg, cellulose and derivatives thereof of 15 to 20kg, re-dispersible latex powder of 1 to 5kg and a thickener of 0.5 to 2.0kg. The thickener is polyacrylamide. The building adhesive provided by the invention has the advantages of high viscosity, good crack resistance, acid and alkali resistance, good environment protection performance, good mildew-proof and antibacterial performance, simple manufacturing process, low production cost and wide application range, and does not contain any material harmful to a human body, such as benzene, formaldehyde and the like.
Owner:DALIAN SHUNFA CONSTR WATERPROOF TECH
A multifunctional modified polymer lithium ion battery binder and its application in electrochemical energy storage devices
ActiveCN105914377BIncrease elasticityImprove adhesionCyclodextrin adhesivesCellulose derivative adhesivesHydrophilic monomerInterface impedance
The invention discloses a multi-functional modified polymer binder for lithium ion batteries. The binder uses biomass polymers or synthetic polymers as substrates, and uses hydrophilic monomers and lipophilic monomers as functional modified The monomer is modified by free radical graft copolymerization or Michael addition reaction. It has a three-dimensional space network body with multi-branch structure, which can provide more active sites in contact with electrode active materials, and can improve the composition of electrode slurry. The uniformity and flatness of the film; enhanced the peel strength of the active material and the conductive agent to the metal substrate, has excellent elasticity and adhesion, can be applied in water / organic solvents, and can be applied to the positive and negative electrodes of lithium-ion batteries , is conducive to the conduction of electrons / ions in the process of charging and discharging, reduces the electrochemical interface impedance of the pole piece, greatly improves the high rate performance and cycle stability of the positive and negative electrode materials of lithium batteries, and the synthetic raw materials have a wide range of sources, which can significantly Reduce costs and have broad market prospects.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
Adhesive
ActiveUS10696882B2Improve water resistanceProvides water resistanceAgar-agar adhesivesStarch adhesivesPolymer scienceLignan
Owner:NEW ZEALAND FOREST RES INST
Gluewater in use for construction
InactiveCN1958701AImprove adhesionImprove impermeabilityCellulose derivative adhesivesCelluloseUltimate tensile strength
This invention discloses a construction glue, which is composed of cellulose, water glass and water at a weight ratio of (1-4) :( 1-12) :( 10-40). The glue is prepared by mixing cellulose and water, adding water glass, and stirring. The cellulose is one or more of methylcellulose, ethylcellulose and carboxypropyl cellulose. The glue does not contain formaldehyde, thus is environmentally friendly. Since water glass is adopted for adhesion, the glue has good adhesiveness, good impermeability and good weathering resistance. The peel strength at 180 deg.C is greater than or equal to 20 N / 20 mm, 30% higher than the JC438-91 standards.
Owner:吕小伟
Heat-conductive pressure-sensitive adhesive tape, and preparation method and application method thereof
ActiveCN108342168AInitial viscosity adjustableExcellent reworkabilityNon-macromolecular adhesive additivesCellulose derivative adhesivesUltimate tensile strengthViscosity
The invention relates to a heat-conductive pressure-sensitive adhesive tape. The heat-conductive pressure-sensitive adhesive tape comprises a heat-conductive pressure-sensitive adhesive layer, a lightrelease protective layer, and a heavy release protective layer; the heat-conductive pressure-sensitive adhesive layer is arranged on the heavy release protective layer. The initial viscosity of the heat-conductive pressure-sensitive adhesive tape is adjustable, so that excellent heavy industry performance is achieved; after bonding, subsequent solidification of heat-conductive adhesive can be realized, reduction of the bonding strength with time is not caused, and extra mechanical fastening buckle design by users of conventional heat conductive adhesive is not needed, so that client manufacturing cost is reduced.
Owner:SUZHOU ENBRIGHTECH
A biodegradable baby diaper
ActiveCN113576768BSoft touchPromote degradationCellulose derivative adhesivesMacromolecular adhesive additivesPolymer scienceHot melt
Owner:GUANGDONG YINYIN CO LTD
Method for manufacturing anisotropic multi-pole magnetic ring through dry-press forming
ActiveCN101599333BGood orientationWell formedCellulose derivative adhesivesWax adhesivesMetallurgyMagnetization
The invention relates to the field of magnetic materials, in particular to a method for manufacturing an anisotropic multi-pole magnetic ring through dry-press forming. Aiming at the problem that the multi-pole magnetic ring manufactured by the prior art through the dry-press forming is easy to crack, has low yield and the like, the invention provides the method for manufacturing the anisotropic multi-pole magnetic ring through the dry-press forming, and for the multi-pole magnetic ring manufactured by the method, the surface magnetism is more than 1,500 Gs, the Br is more than 3,600 Gs, and the Hcb is more than 3,000 Oe. The aim of the invention is achieved through the following technical proposal: performing wet method pulverization on magnetic powder; adding more than one binding agentand lubricating agent into the magnetic powder which is dried; then performing prepressing and pre-magnetization on the mixture, and then performing a mixing process for mixing the mixture by using ahigh-speed disintegrator; performing a double-sided equal pressure forming process on the powder in a radial magnetic field; and performing a sintering process for sintering the formed sample, wherein the magnetic powder contains a pre-sintering material and an additive.
Owner:HENGDIAN GRP DMEGC MAGNETICS CO LTD
Environment-friendly adhesive and preparation method thereof
PendingCN110184004AReduce the degree of polymerizationHigh bonding strengthNon-macromolecular adhesive additivesCellulose derivative adhesivesCarrageenanPolymer science
The invention discloses an environment-friendly adhesive and a preparation method thereof, and belongs to the technical field of adhesives. According to the adhesive prepared by the preparation methoddisclosed by the invention, liquidity of the adhesive in a using process is improved; through nucleophilic addition of polyvinyl alcohol and furfural, the bonding strength of the obtained substancesis improved, and a bonding network structure is formed; free aldehyde groups are reduced, and the aldehyde groups are bound to the network structure, so that the aldehyde groups are not diffused easily to harm a human body. An added modified active agent changes adhesion performance of the adhesive, and a formed adhesive film has relatively good tear resistance and impact resistance, so that usability of the adhesive is enhanced. According to a prepared cross-linking additive, active substances are improved and stored in the adhesive network structure, so that harmful substances are preventedfrom escaping, and overall performance of the adhesive is improved. Elasticity of the adhesive is improved by xanthan gum, carrageenan and the like, so that shrinkage and cracking are reduced, and good film-forming strength is kept. The adhesive disclosed by the invention solves the problems of large amount of free formaldehyde and low bonding strength in existing adhesives.
Owner:陈光辉
Binder resin for inorganic particle-dispersed pastes and inorganic particle-dispersed paste
ActiveUS20180223134A1Excels in adhesivenessExcels in printabilityNon-macromolecular adhesive additivesFixed capacitor electrodesInorganic particleBarium titanate
A binder resin for an inorganic particle-dispersed paste that excels in both printability and adhesiveness and such an inorganic particle-dispersed paste are provided. The resin includes a mixture in which a polyvinyl acetal and a cellulose derivative are mixed so as to satisfy 0.2≤X / (X+Y)≤0.8, where X and Y stand for parts by mass of the polyvinyl acetal and the cellulose derivative, respectively. When a paste is formulated by mixing and kneading the resin with spherical nickel particles with an average particle diameter of 0.3 μm, barium titanate particles with an average particle diameter of 0.05 μm, a nonionic surfactant, dihydroterpineol, and mineral spirit at the prescribed mixing ratio, the paste has prescribed rheological characteristics.
Owner:SHOEI CHEM IND CO LTD
Preparation method of conducting silver glue
InactiveCN1990803AEasy to useImprove performanceCellulose derivative adhesivesElectrically-conducting adhesivesSilver carbonateSilver colloid
The invention provides a method for preparing conductive silver colloid, comprising following steps: (1) preparing collodion acetone; (2) preparing triethanolamine butanol; (3) putting silver carbonate of 200- 400 units into container, and injecting 30- 60 units of butanol into container, stirring; (4) adding 2- 6 units of collodion acetone when temperature rises to 80 Deg. C, adding 1- 3 ml of triethanolamine butanol into container, and the temperature is heated to 93 Deg. C 10 minutes later; (5) dropping triethanolamine butanol using dropper with continuous stirring, 1- 3 hours later the dropping is finished and the silver mirror phenomenon will be formed at later reaction period; insulating temperare for 10 minutes, cooling to 60 Deg. C and stopping stirring; (6) pouring silve colloid into brown container, precipitating, pouring out of triethanolamine butanol in upper layer when gradation is obvious. The invention is characterized by convenient utilization, sound combined properties, good anti- compacting and adhesion power.
Owner:天津市怡佳商贸有限公司
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