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73results about "Dextran adhesives" patented technology
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Polysaccharide-based polymer tissue adhesive for medical use
ActiveUS8431114B2Avoid stickingSurgical adhesivesEther/acetal active ingredientsVascular anastomosisOcular operation
Owner:ACTAMAX SURGICAL MATERIALS
Method of dissolving an oxidized polysaccharide in an aqueous solution
InactiveUS20120094955A1High dissolution rateOrganic active ingredientsBiocideVascular anastomosisTissue repair
A method of dissolving an oxidized polysaccharide in an aqueous solution using an oligomer additive is described. The resulting aqueous solution of the oxidized polysaccharide may be used in combination with an aqueous solution comprising an amine-containing component to prepare hydrogel tissue adhesives and sealants for medical and veterinary applications, such as wound closure, supplementing or replacing sutures or staples in internal surgical procedures such as intestinal anastomosis and vascular anastomosis, tissue repair, ophthalmic procedures, drug delivery, and to prevent post-surgical adhesions.
Owner:ACTAMAX SURGICAL MATERIALS
Wood adhesive and preparation method thereof
InactiveCN101824286AWide variety of sourcesHigh bonding strengthDextran adhesivesChitin adhesivesWet bondingAdhesive
Owner:NORTHWEST A & F UNIV
Self-degradable two-component reactive adhesive for medical use and resin for medical use
ActiveCN101111272ANo toxicityOther adverse effects NoneSurgical adhesivesProtein adhesivesAdhesiveAqueous solution
The invention provides a medical adhesive and a medical hydrogel resin, which can fully meet the general properties required by the medical adhesive or resin, and can quickly disintegrate after a set disintegration time. disintegration, and can adjust and control the setting time relatively freely. An aqueous solution of hydroformylated α-glucan having a weight-average molecular weight of 1,000 to 200,000 is used as the first solution, and an aqueous solution of an amino group-containing polymer formed by chains containing amino units is used as the second solution. The weight average molecular weight of the amino group-containing polymer is 1,000 to 20,000, and the pH when the first liquid and the second liquid are mixed is 5.0 to 8.0.
Owner:BERTELSMANN MUSIC GROUP
Environment-friendly wallpaper adhesive and preparation method thereof
InactiveCN106753224AImprove error correctabilityAvoid damageNon-macromolecular adhesive additivesProtein adhesivesSodium BentoniteAdhesive
The invention relates to an environment-friendly wallpaper adhesive and a preparation method thereof. The environment-friendly wallpaper adhesive comprises an agent A and an agent B, wherein the agent A is prepared by processing the following raw materials in parts by weight: 60-80 parts of modified defatted soybean meal paste, 6-8 parts of water-soluble glucan, 4-6 parts of leveling agent, 2-3 parts of organic bentonite and 1-3 parts of assistant which is a mixture of at least two of flame-retardant powder, nano negative ion powder and antistatic agent; the component B is prepared by processing the following raw materials in parts by weight: 8-15 parts of propolis powder, 1-3 parts of antioxidant, 30-40 parts of substrate, 1-2 parts of emulsifier, 40-60 parts of 75-85% of ethanol solvent by volume and appropriate pH regulator; the substrate is any one of natural rubber, vitamin derivative and modified starch; the pH of the agent B is 6-8. In the environment-friendly wallpaper adhesive provided by the invention, the raw materials of the agents A and B are reasonably selected and in proper compatibility; compared with existing glue, the prepared adhesive has the advantages of excellent water resistance and gluing property, good uniformity in drying, high flatness and excellent antibacterial property, antistatic property and flame retardance.
Owner:张晨杨
Adhesive for plywood
ActiveCN107446523AIncrease viscosityImprove water resistanceNon-macromolecular adhesive additivesMacromolecular adhesive additivesAcetic acidPolymer science
The invention discloses an adhesive for plywood and relates to the technical field of plywood preparation. The adhesive is prepared from the following components: konjaku flour, vanillic aldehyde grafted chitosan, acrylate crosslinked polyvinyl alcohol, glacial acetic acid, filler and water. The adhesive for plywood provided by the invention has high bonding strength, excellent ageing resistance and water resistance and capability of effectively prolonging the service life.
Owner:阜南盛原木业有限公司
Preparation and application of natural polymer binder capable of realizing photopolymerization
InactiveCN101870743AReduce manufacturing costSimple and fast operationStarch derivtive adhesivesDextran adhesivesPolymer scienceNatural polymers
The invention relates to a preparation method of a natural polymer binder capable of realizing photopolymerization. In the invention, the polarity of an urethano structure is applied, the urethano structure has very strong polarity, an introduced acrylate group has the advantages of photopolymerization as well as high speed, environment protection, and the like of the photopolymerization, and a natural polymer can be degraded in a human body. Therefore, the urethano structure and the acrylate structure are combined in the natural polymer to form the novel natural polymer binder capable of realizing photopolymerization, and the novel natural polymer binder can be applied to various surfaces.
Owner:HANGZHOU INST OF ADVANCED MATERIAL BEIJING UNIV OF CHEM TECH
Bonding agent for starch-based corrugated paper and preparation method thereof
InactiveCN106753035AHigh bonding strengthNon-macromolecular adhesive additivesStarch adhesivesCarrageenanPotato starch
The invention provides a bonding agent for starch-based corrugated paper and a preparation method thereof. The preparation method comprises the following steps: (1) preparing 8 to 12 percent sodium hydroxide and a 20 to 30 percent hydrogen peroxide solution, and performing ultrasonic oscillation to mix uniformly; (2) placing potato starch into a clean and dry reaction vessel, adding water, and stirring for 10 to 15 minutes at a speed of 80 to 160 revolution / minute until uniform mixing; (3) adding ferrous sulfate and the hydrogen peroxide solution, stirring for reacting for 10 to 20 minutes, adding the sodium hydroxide solution while stirring, and stirring and pasting until the shape of the solution does not change any more; (4) adding sodium borate and tributyl phosphate, and stirring continually for 20 to 30 minutes; (5) adding modified urea resin, ethylis oleas, ammonium oxide, modified konjac glucomannan, modified carrageenan and a preservative, and uniformly mixing to obtain the bonding agent. The bonding agent for the starch-based corrugated paper has very high viscosity and water resistance.
Owner:苏州纳贝通环境科技有限公司
Solar photovoltaic module mounting sealant and preparation method thereof
InactiveCN105733501AGood flow viscosityGood Shore hardnessNon-macromolecular adhesive additivesOil/fat/wax adhesivesPhosphateP-tert-octylphenol
The invention relates to a solar photovoltaic module mounting sealant which consists of methyl cyclohexane, bispolyethylene polydimethylsiloxane, tung oil anhydride, antimony trioxide, polytetrafluoroethylene, konjac glucomannan, vinyl tris(methyl ethyl ketoximine)silane, dibutyltin dilaurate, pearl powder, sodium tungstate powder, rose essential oil, monolauryl phosphate, chitin, acetenyl cyclohexanol, kieselguhr, dioctyl phthalate, tetraethoxysilane, isocyanate modified alkyd resin, hydroxyethyl methylacrylate, sodium dodecyl benzene sulfonate, acetyl benzoyl peroxide, p-tert-octyl phenolformaldehyde resin and castor oil, has good pressure-flow viscosity, shore hardness, shear strength, elongation at break and tensile strength, high pressure resistance sealing ability and excellent performance and is suitable for photovoltaic modules while the sealing property of the product is improved.
Owner:孟根森
Non-toxic adhesive and preparation method thereof
InactiveCN103013380AImprove water resistanceReduce pollutionNon-macromolecular adhesive additivesDextran adhesivesPhosphoric acidPVA - Polyvinyl alcohol
The invention relates to a non-toxic adhesive and a preparation method thereof. For the non-toxic adhesive, the formula of raw materials consists of a main agent and additives, wherein the main agent comprises following components: konjac powder, chitosan and polyvinyl alcohol; and the additives comprise sodium hydroxide, borax, phosphoric acid, nano-kaolin, urea and a degassing agent. The preparation method of the non-toxic adhesive comprises following steps: (1) firstly, dissolving polyvinyl alcohol in water, adding urea and borax, and finally adding chitosan and stirring until chitosan is completely dissolved to obtain a component A; (2) adding konjac powder to a sodium hydroxide solution and stirring until konjac powder is completely dissolved to obtain a component B; and (3) mixing and uniformly stirring the component A, the component B, the degassing agent and nano-kaolin to obtain the non-toxic adhesive. The non-toxic adhesive is environment-friendly and safe, high in bonding strength and good in water resistance; and the preparation method of the non-toxic adhesive is also simple and easy to operate.
Owner:SHANDONG TAIDE NEW ENERGY
Anti-eyestrain mobile phone sticker and preparation method thereof
InactiveCN102559081ASimple preparation processLow costAgar-agar adhesivesFilm/foil adhesivesTransmittanceEngineering
The invention relates to an anti-eyestrain mobile phone sticker and a preparation method thereof. The preparation method for the anti-eyestrain mobile phone sticker comprises the following steps of: preparing a sol sticker solution, molding a mobile phone sticker, and drying the mobile phone sticker. The product is the anti-eyestrain mobile phone sticker which is prepared from konjac glucomannan with an excellent film-forming property, and compounds such as curdlan, agar and the like, and the manufacturing process is simple and low in cost; the anti-eyestrain mobile phone sticker has the characteristics of smooth surface, high light transmittance and high toughness, and can also resist mechanical scratches; and meanwhile, the invention also has the advantage that the anti-eyestrain mobilephone sticker is degradable, and the anti-eyestrain mobile phone sticker is an environment-friendly product.
Owner:FUJIAN AGRI & FORESTRY UNIV
Cold sol powder of inner wall putty
ActiveCN102040926AImprove stabilityLow gelatinization temperatureStarch derivtive adhesivesFilling pastesPolyvinyl alcoholMetallurgy
The invention discloses cold sol powder of inner wall putty. The cold sol powder comprises the following components in percentage by weight: 80 to 85 percent of plant modified polymer gel powder, 8 to 12 percent of re-dispersible latex powder and 5 to 10 percent of carboxymethyl corn powder. The cold sol powder of the inner wall putty mainly substitutes polyvinyl alcohol glue solution and various additives, and plays a role of adhesive, additive and the like; and field blended and water blended products are prepared according to the sequential adding order of calcium carbonate and water. The cold sol powder of the inner wall putty can be prepared into a dry powder putty adhesive product, and only needs to be mixed with the water and the calcium carbonate in field construction; and the cold sol powder also can be used as a production raw material of a putty powder factory and directly used without adding other auxiliary agents. Therefore, the cold sol powder of the inner wall putty has the characteristics of simple process, no formaldehyde pollution, low cost, good construction performance and high bonding strength, and is easy to blend.
Owner:湖北优力帮生态涂料有限公司
High-thermal-conductivity, conductive and environment-friendly adhesive and preparation method thereof
InactiveCN107699179AGood compatibilityGood dispersionNon-macromolecular adhesive additivesDextran adhesivesEpoxyAdhesive
The invention discloses a high-thermal-conductivity, conductive and environment-friendly adhesive and a preparation method thereof. The adhesive contains the following components: modified epoxy resin, konjak gulcomannan, chitosan, a heat-conducting filling, a conductive filling, a diluent, a curing agent, a curing accelerator and a rheology control agent. By virtue of reasonable raw material selection and formula design, particularly the selection of the heat-conducting filling and the conductive filling, the heat-conducting filling and a conductive multi-walled carbon nanotube are processedby through chemical silvering, the heat-conducting filling and the conductive filling are distributed to partial matrix resin and are mixed to form a mixed component, and the mixed component is mixedwith other matrix components, so that the consistency among the nano-scale heat-conducting filling, the conductive filling and the matrix resin is effectively improved, the dispersion effect is improved, and therefore, the functionality of the adhesive is furthest exerted; and by mixing epoxy resin, konjak gulcomannan and chitosan in use, the performance of the matrix is broadened, and meanwhile,the environmental protection property is improved.
Owner:SUZHOU RUI TE JIE CHEM PROD CO LTD
Adhesive for cigar cigarettes and preparation method thereof
InactiveCN102504719AHigh viscosityHigh-viscosity solution, the most water-soluble plant-basedNon-macromolecular adhesive additivesDextran adhesivesAdhesiveAbnormal tastes
An adhesive for cigar cigarettes is a mixture of konjac refined powder and water according to weight ratio of 1:50 to 1:150, and further contains the following components: by mass percent of the mixture, less than or equal to 0.05% of sorbic acid or potassium sorbate, less than or equal to 0.04% citric acid or potassium citrate, less than or equal to 0.01% of nipagin ester, less than or equal to 0.01% of sodium natamycin and less than or equal to 0.06^ of nisin. The konjac refined powder is prepared through a conventional processing method, and the konjac refined powder is purified, eluted, smashed through supersonic speed and the like to obtain the adhesive for the cigar cigarettes. The adhesive solves the problems of print, color, abnormal taste and the like existing in the existing glue for the cigar cigarettes, coordinates smoke, reduces mildew risks in a storing process and improves appearance and inner quality of the cigar cigarettes. The adhesive for the cigar cigarettes and the preparation method of the adhesive are simple in technology processes and low in cost.
Owner:SOUTHWEST UNIVERSITY
Environment-friendly high-temperature-resistant explosion-proofmembrane
InactiveCN106281096AExcellent film performanceImprove impact resistanceCoatingsDextran adhesivesWear resistantUltraviolet absorption
The invention discloses an environment-friendly high-temperature-resistant explosion-proof membrane which sequentially comprises a scratch-resistant wear-resistant layer, a safety explosion-proof layer, an ultraviolet absorption layer, a PET (polyethylene terephthalate) carrier layer, a pressure-sensitive adhesive layer and a release film layer. The scratch-resistant wear-resistant layer is prepared from the following raw materials in parts by weight: 30-50 parts of acrylic resin emulsion, 25-36 parts of isobutyl etherified amino resin emulsion, 2-6 parts of wood fiber, 0.5-1.3 parts of succinic anhydride, 1-3 parts of konjaku flour nanocrystal, 2-4 parts of vermiculite powder, 0.1-0.5 part of dispersing agent and 10-15 parts of deionized water. The safety explosion-proof layer is prepared from the following raw materials in parts by weight: 20-40 parts of fluorocarbon-modified polyacrylic resin emulsion, 5-11 parts of polytetrafluoroethylene resin, 6-10 parts of acrylic-acid-modified organic silicon resin, 2-3 parts of nano titanium nitride, 3-8 parts of sorbitan monocarboxylate, 1-4 parts of hollow silicon dioxide nanoparticle, 0.8-1 part ofcrosslinking agent, 3-5 parts of curing agent and 8-12 parts of deionized water. The explosion-proof membrane has the advantages of favorable scratch resistance, favorable wear resistance, excellent ultraviolet resistance, favorable explosion resistance, high interlaminar binding force, high safety, high transparency and high temperature resistance.
Owner:DONGGUAN LIANZHOU INTPROP OPERATION MANAGEMENT CO LTD
Injectable biological adhesive, preparation method and application thereof
ActiveCN112143410AHigh bonding strengthNo toxicitySurgical adhesivesPharmaceutical delivery mechanismAdhesiveBioadhesive
The invention discloses an injectable biological adhesive, a preparation method and application thereof, and belongs to the technical field of high polymer materials and biological materials. According to the preparation method, saccharide macromolecules, namely glucan and chitosan oligosaccharide, with good biocompatibility are selected as matrixes and mixed and dispersed in an aqueous solution with dopamine and an oxidative cross-linking agent, and rapid gelatinization is performed to obtain the multi-cross-linked biological adhesive. The biological adhesive material obtained by the invention has the advantages of injectability, convenience in practical application and operation, capability of being applied to skin tissues, capability of being injected to the required amount according tothe required adhesion size and the like, high mechanical strength, no cytotoxicity and excellent tissue adhesion performance, can be applied to adhesion of various materials such as animal epidermis,in-vivo tissues and organs, glass, metals and oxides thereof, sealants, plastics and the like in clinical operations, and has wide application prospects in the fields of tissue adhesion and repair, hemostasis, packaging, sealing and the like in clinical medicine.
Owner:JIANGNAN UNIV
Environment-friendly high-strength UV adhesive
InactiveCN109385248AImprove adhesionImprove thixotropyNon-macromolecular adhesive additivesPolyureas/polyurethane adhesivesSilver plateAdhesive
The invention discloses an environment-friendly high-strength UV adhesive which comprises the following raw materials in parts by weight: 30-45 parts of epoxy acrylate, 30-45 parts of modified polyurethane acrylate, 5-10 parts of honey, 7-12 parts of a viscosity enhancer, 22-28 parts of a photoinitiator, 18-26 parts of an anti-aging agent, 6-10 parts of polyvinyl alcohol, 4-8 parts of dibutyl phthalate, 2-5 parts of silicon micro powder, 3-5 parts of sodium pyrophosphate, 2-4 parts of a spice and 12-18 parts of xanthan gum. The invention also discloses a preparation method of the environment-friendly high-strength UV adhesive. The environment-friendly high-strength UV adhesive has good adhesive force to the surface of a silver-plated material, the viscosity of the environment-friendly high-strength UV adhesive is high, the thixotropy is good, the aging resistance is good, the environment-friendly high-strength UV adhesive is environment-friendly and healthy, the development process issimple, the cost is low, the environment-friendly high-strength UV adhesive is not easy to fall off, and the service life is long.
Owner:深圳市泽成丰新材料有限公司
Environment-friendly wallpaper adhesive and preparation method thereof
InactiveCN106753224BImprove error correctabilityAvoid damageNon-macromolecular adhesive additivesProtein adhesivesPropolisSodium Bentonite
Owner:张晨杨
Formaldehyde free binding composition, for mineral fibres
The present invention relates in general terms to a formaldehyde-free aqueous binding composition (binder) comprising ammonium sulfamate, and to a fibrous mineral material obtained by polymerization of said composition. Advantageously, the present composition makes it possible to obtain rapid polymerization times during the formation of fibrous mineral material, while nonetheless ensuring the thermal and mechanical stability thereof.
Owner:STM TECH
Konjac glucomannan sports patch and preparation method thereof
InactiveCN108047975ALow costSimple processing technologyFilm/foil adhesivesAdhesive dressingsCotton clothAntibacterial property
The invention relates to a konjac glucomannan sports patch and a preparation method thereof. The preparation method of the konjac glucomannan sports patch includes the steps that konjac glucomannan glue liquid is prepared and filtered, gluing elastic cotton cloth is prepared, and the sports patch is assembled. With konjac glucomannan as a main raw material of the konjac glucomannan sports patch and by mainly utilizing two characteristics including the antibacterial property and the sweat absorption property, the sports patch is endowed with unique functions, konjac glucomannan and used auxiliary materials are basically biodegradable, and the konjac glucomannan sports patch accords with the current environmental protection theme of the times. The konjac glucomannan sports patch is superiorto other sports patches on the market in terms of the sweat absorption property, the antibacterial property, environmental protection, raw material prices and other indexes, konjac glucomannan is lowin cost and simple in processing technology, and compared with sports patches of the same type, the konjac glucomannan sports patch can become a new generation of sports patches with market competitiveness.
Owner:FUJIAN AGRI & FORESTRY UNIV
Method for preparing corn inner skin natural adhesive
InactiveCN102585031AWide variety of sourcesLow priceStarch dervative coatingsDextran coatingsPhosphoric Acid EstersPolymer science
The invention discloses a method for preparing a corn inner skin natural adhesive, belonging to the technical field of adhesives. The method comprises the following step of: with corn inner skin as a raw material, carrying out ultramicro crushing on the corn inner skin to more than 300 meshes, soaking the ultramicro crushed corn inner skin in alkali liquid with the concentration of 10-20%, stirring for 6-24h to have quaternization, carrying out one or more chemical modification reactions of oxidation, carboxy methylation, acetylation or phosphate esterification and cationic etherification on the raw material with chemical reaction activity, and controlling substitution depth of the reactions to prepare natural adhesive products with different indexes and performances, which can be gelatinized in hot water and dissolved in cold water. The method for preparing the corn inner skin natural adhesive, disclosed by the invention, has the advantages that the prepared adhesive has good adhesiveness and strong filming capability, the slurry film has excellent ductility and smoothness, and the elasticity and the mechanical strength of the starch slurry film can be remarkably improved when the prepared adhesive and the modified starch are used together; the source of the raw material is wide, the raw material is low in cost, the additional value of the starch processing is further increased, and economic benefits of enterprises are increased.
Owner:徐州众恒淀粉科技有限公司
Organic adhesive used in waste ash processing, and preparation equipment thereof
InactiveCN110283554AImprove reducibilityStrong reductionNon-macromolecular adhesive additivesRotary stirring mixersAdhesivePulp and paper industry
The invention belongs to the technical field of adhesive, and discloses an organic adhesive used in waste ash processing, and preparation equipment thereof. According to preparation process, a raw material is introduced into a box body through an injection pipe, and is conveyed into a rotating shaft through the injection pipe, under the driving effect of a motor in a motor box, the rotating shaft is driven to rotate, the raw material in the rotating shaft is discharged under centrifugal force effect, under cutting effect, the raw material introduced into the box body and a liquid in the box body are mixed fully, the mixing degree of the raw material in the box body is increased, a mixed solution in the box body is subjected to full mixing in the internal part of the box body under the stirring effect of seepage holes, the mixed solution in the box body is separated using separating holes, and box body mixing effect is enhanced, a prepared organic adhesive is conveyed into an adhesion container, waste ash is introduced into the adhesion container, a supporting column is arranged in a supporting groove through clamping, the supporting effect of the supporting column is adopted to ensure the operation stability of the adhesion container, balls are generated preferably, and it is convenient for waste ash recycling.
Owner:山东大福粘合剂股份有限公司
Composite modified environment-friendly metal corrugated pipe adhesive and preparation method thereof
InactiveCN106566440AShort opening timeHigh bonding strengthNon-macromolecular adhesive additivesStarch adhesivesPolyvinyl alcoholAdhesion strength
The invention discloses a composite modified environment-friendly metal corrugated pipe adhesive and a preparation method of the composite modified environment-friendly metal corrugated pipe adhesive. The composite modified environment-friendly metal corrugated pipe adhesive is prepared from, by weight, 16-35 parts of polyvinyl alcohol, 13-28 parts of corn starch, 13-26 parts of konjaku flour, 12-27 parts of chitosan, 11-19 parts of konjac gulcomannan, 11-22 parts of sodium borate, 3-11 parts of aluminum oxide, 8-19 parts of sodium hydroxide, 6-17 parts of magnesium sulfate and 6-18 parts of ferric sulfate. The composite modified environment-friendly metal corrugated pipe adhesive is long in adhesion time and high in adhesion strength, and has good waterproof performance and good corrosion resistance.
Owner:WUXI YONGXING METAL HOSE
Application method of chitosan/glucan-containing moss sporophyte suspension to bare land greening
ActiveCN112335508AImprove adhesionRapid establishmentMagnesium fertilisersNon-macromolecular adhesive additivesSporelingSpore germination
The invention discloses an application method of a chitosan / glucan-containing moss sporophyte suspension to bare land greening. The application method comprises the following steps of collecting mossspores, and adding a hydrogen peroxide solution into the spores to obtain a mixed solution of disinfected spores and hydrogen peroxide; inoculating the mixed solution of the disinfected spores and thehydrogen peroxide into a spore germination induction culture medium for spore germination induction culture, adding into a solid subculture multiplication culture medium for subculture multiplicationculture after culture, mixing with a liquid culture medium after culture, and carrying out shake culture to obtain a dark green suspension; adding chitosan, glucan, ferric ammonium citrate, phenoxyacetic acid, zinc sulfate and potassium nitrate into the dark green suspension to obtain the moss sporophyte suspension; uniformly smearing a moss adhesive on bare land, then uniformly spraying the mosssporophyte suspension on the surface of the moss adhesive, using a sunshade net for covering, and carrying out spray irrigation in time. The moss sporophyte suspension is used for bare land greening,and the greening covering degree is high after growth.
Owner:CHENGDU INST OF BIOLOGY CHINESE ACAD OF S +1
Production method of eye-protecting and radiation-resisting display protection film
InactiveCN107201189AImprove protectionImprove wear resistanceAgar-agar adhesivesNon-macromolecular adhesive additivesTectorial membraneLiquid-crystal display
The invention belongs to the technical field of liquid crystal display films and particularly relates to a production method of an eye-protecting and radiation-resisting display protection film. The method comprises the following production steps: (1) processing tempered glass; (2) coating a radiation resisting layer; (3) preparing an adhesion film glue solution; (4) preparing an eye-protecting adhesion film; and (5) gluing the tempered film with the adhesion film. The liquid crystal display protection film is divided into a tempered glass protection layer and an eye-protecting adhesion film layer which are adhered to each other through liquid silicone glue; the radiation resisting layer is coated on the lower surface of the tempered glass layer. The protection film produced by the production method of the eye-protecting and radiation-resisting display protection film has excellent protection effect and good eye-protecting effect and is also capable of resisting harm of part of electromagnetic radiation to the users.
Owner:HEFEI DONGHENGRUI ELECTRONICS TECH CO LTD
Preparation method of bonding agent for paper tube
ActiveCN107488418AHigh viscosityHigh solid contentMonocarboxylic acid ester polymer adhesivesNon-macromolecular adhesive additivesFiberPolyvinyl alcohol
The invention discloses a preparation method of a bonding agent for a paper tube. The preparation method comprises the following steps of 1, placing deionized water, polyvinyl alcohol and the like in a reaction kettle, performing stirring and temperature rise, adding sodium dodecyl benzene sulfonate and the like, and performing stirring, 2, adding alkylphenol polyvinylether carboxymethyl sodium and the like, and continuing to perform stirring, 3, adding a konjak powder solution and the like, and continuing to perform stirring, 4, adding compound starch and the like, and performing stirring and temperature rise, and 5, adding an enzymatic hydrolysate and the like, and performing stirring and filtering, wherein a preparation method of the konjak powder solution comprises the concrete steps of uniformly mixing konjak powder, cetyl trimethyl ammonium bromide and the like, adding a chloroauric acid solution, performing stirring until a brilliant yellow color becomes clarified, adding a concentrated HCl solution, performing stirring and standing, adding a chitosan solution, performing mixing, and performing ultrasonic treatment and centrifugation to take a supernate. The prepared bonding agent has the benefits that the bonding agent is short in paper fiber breaking time, high in bonding strength, good in flowability and good in storage stability.
Owner:武汉市华林粘合剂有限公司
Polysaccharide suspension, method for its preparation, and use thereof
ActiveUS20200079932A1Low production costImprove energy efficiencyCoatingsDextran adhesivesColloidPolysaccharide
Owner:NUTRITION & BIOSCIENCES USA 4 INC
Bi-component starch-based adhesive for wood
InactiveCN108285758AGood compatibilityImprove water resistanceNon-macromolecular adhesive additivesStarch derivtive adhesivesAdhesiveStarch paste
Owner:王建东
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
Enzyme-modified biomass wood adhesive and preparation method thereof
InactiveCN111117562ASolve the problem of releasing harmful human healthIncrease the number of hydrogen bondsNon-macromolecular adhesive additivesProtein adhesivesPolysaccharide formationVegetable Proteins
The invention belongs to the technical field of wood adhesives, and particularly relates to an enzyme-modified biomass wood adhesive and a preparation method thereof. The preparation method comprisesthe following steps: dissolving vegetable proteins in water, adjusting the pH value of the obtained solution to 7-11 by using alkaline hydroxide, and stirring at 50 DEG C for 2 h to prepare a vegetable protein solution; adding polysaccharides, performing ultrasonic treatment to uniformly disperse the polysaccharides in the vegetable protein solution, adding glucosamine and protease, and stirring overnight at 37 DEG C; and performing high-pressure homogenization to obtain the wood adhesive. The formula of the soybean-based wood adhesive only contains proteins, polysaccharides, low-concentrationweak base and glucosamine, does not contain formaldehyde, and is green and pollution-free; and protease modification and glucosamine modification technologies enable the soybean protein and the polysaccharides to form a uniform, compatible and stable network structure, so that the bonding strength and the water resistance of the adhesive are improved.
Owner:SHANXI UNIV
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