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32 results about "Guanidine Phosphate" patented technology
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Monoguanidine phosphate is a strong organic base existing primarily as guanidium ions at physiological pH. It is found in the urine as a normal product of protein metabolism.
Polyhexamethylene guanidine phosphate and synthetic method thereof
ActiveCN103145981ANo stimulationNo corrosionOrganic chemistryOrganic compound preparationHexamethylenediaminePhosphate
The invention provides a synthetic method for polyhexamethylene guanidine phosphate and poly hexamethylene guanidine phosphate synthesized by the method. The polyhexamethylene guanidine phosphate is obtained by the steps of reacting dicyandiamide and ammonium dihydrogen phosphate to synthesize an aminoguanidine dihydrogen phosphate salt, and then reacting the aminoguanidine dihydrogen phosphate salt with 1, 6-hexamethylene diamine. The method for synthesizing the polyhexamethylene guanidine phosphate is proper in selection of raw materials and technical process, simple in preparation method and low in cost, and is suitable for industrialized production. The prepared polyhexamethylene guanidine phosphate has the characteristics of no toxicity, no stimulation and no corrosion, and has very good killing effect for mildew.
Owner:上海高聚生物科技有限公司
Fire-retardant compositions and methods of making and using same
The present invention provides fire-retardant compositions for treatment of wood products comprising a guanidine phosphate compound and a boron compound, such as boric acid. The present invention also provides a method for using the compositions for preparing a fire-retardant cellulosic material, such as wood, comprising the step of applying a fire-retardant composition comprising an aqueous solution of guanidine phosphate and a boron-containing compound to a cellulosic material, thereby rendering the cellulosic material fire retardant. The present invention also provides a method of preparing a fire-retardant composition comprising mixing a guanidine phosphate and a boron-containing compound.
Owner:OSMOSE
Intumescent phosphorus-containing grafted polymer flame retardant as well as preparation and application thereof
InactiveCN104448326ACoated evenlyImprove flame retardant performanceVegetal fibresPolymer sciencePhosphate
The invention discloses an intumescent phosphorus-containing grafted polymer flame retardant prepared a preparation method and a flame retardant treatment process thereof. The preparation method comprises the following step: carrying out high-temperature reaction on ammonium polyphosphate, polyphosphoric acid, urea phosphate, melamine phosphate, guanidine phosphate modified polyvinyl alcohol and esterified cellulose to obtain a loose, soft, porous and spumous intumescent phosphate grafted polymer flame retardant. The yield is 92-97%. The flame retardant is completely dissolved in hot water, and then a retardant synergist, a thickening agent and other auxiliaries are added in sequence and are fully stirred to obtain transparent flame-retardant liquid. A fabric is impregnated with finishing liquid or subjected to coating treating, and then is dried and roasted at a proper temperature to obtain a flame-retardant fabric. After being finished by the flame retardant, the fabric has the advantages that the oxygen index is 30% above, the vertical burning can reach B1 level, and no formaldehyde is achieved, so that the flame retardant can be widely applied to vehicle interior decoration fabrics, seat cushions, curtain fabrics, and the like.
Owner:CHENGDU TEXTILE COLLEGE
Room-temperature fast vulcanization condensation type heat-conducting pouring sealant and preparation method thereof
ActiveCN110819297AImprove flame retardant performanceFast catalyticNon-macromolecular adhesive additivesPolymer sciencePtru catalyst
The invention provides a room-temperature fast vulcanization condensation type heat-conducting flame-retardant pouring sealant and a preparation method thereof. The pouring sealant comprises the following raw materials: hydroxyl-terminated polysiloxane, SH-MQ organosilicon resin, modified fumed silica, an organic guanidine flame retardant, a heat conduction agent, a cross-linking agent, an organicguanidine catalyst and a diluent, wherein the organic guanidine flame retardant is a compound of guanidine sulfamate and polyguanidine phosphate. The organic guanidine flame retardant is introduced into the raw materials, so that the deacetonized organosilicon pouring sealant has excellent flame retardancy; meanwhile, unexpected discovery shows that when the organic guanidine flame retardant is acompound of guanidine sulfamate and polyguanidine phosphate, the flame retardant and the organic guanidine catalyst can cooperate with the catalyst to play a catalytic role, at the moment, the pouring sealant can be rapidly cured, and the deep curing thickness is large. The prepared pouring sealant has excellent mechanical properties, and is simple in preparation method, low in production cost, easy for mass production, environment-friendly, pollution-free and suitable for industrial large-scale production.
Owner:中电保力(北京)科技有限公司
Nonconsumable wood flame retardant and its preparation
InactiveCN1490137ASolve moisture absorptionAntisepticWood impregnation detailsFoaming agentPentaerythritol
An anti-losing flame-retarding agent for wood or other organic fibre materials is prepared from formaldehyde, urea, ammonia water, phosphoric acid, cyanuramide and / or guanidine phosphate and / or guanidine sulfate, and polyethanediol and / or pentacrythrite and / or dextrin.
Owner:陈万利 +3
Flame-retarding, acid-alkali-resisting wear-resisting fire hose material
InactiveCN106349721AExcellent flame retardantExcellent flame retardant acid and alkali resistanceDecabromobiphenyl etherDecabromodiphenyl ether
The invention relates to a flame-retarding, acid-alkali-resisting wear-resisting fire hose material. The flame-retarding, acid-alkali-resisting wear-resisting fire hose material is prepared from rosin resin, p-tert-octyl phenolformaldehyde resin, amino resin, polyethylene wax emulsion, tall oil fatty acid, butyl acetate, isoamyl propionate, diethylene glycol dimethyl ether, dimethyl fumarate, sodium perborate, imidazoline, ammonium fluosilicate, guanidine phosphate powder, phenyl triethoxy silane, sodium pyrophosphate, chromium oxide, chromium chloride, menthol, barium chromate powder, ferrous orthophosphate, ethylenedioxydiethyl bis, tricresol phosphate ester, decabromodiphenyl ether, nanometer magnesium hydroxide, lignin, morpholine, polyoxyethylene polyoxy propyl alcohol amine ether, alkyl polyglucoside, propylamine, sodium ricinoleic acid. The product has excellent flame retardance, acid-base resistance, anti-mildew and anti-microbial performances, and the product performance is improved.
Owner:袁华
Attapulgite modification based PP (polypropylene) melt-blown filter cartridge and preparation method thereof
InactiveCN106310786AImprove filtering effectImprove antibacterial propertiesMembrane filtersFiltration separationActivated attapulgiteShielding gas
The invention discloses an attapulgite modification based PP (polypropylene) melt-blown filter cartridge and a preparation method thereof. The method includes: 1) coating the surface of attapulgite with polymer paint, drying, soaking in dilute sulphuric acid, and filtering to obtain activated attapulgite; 2) simultaneously spraying silver nitrate solution and hydrazine sulfate solution to the surface of attapulgite, and standing to obtain silver modified attapulgite; 3) decocting Chinese herbal medicines in water, and filtering to obtain Chinese herbal medicine extract liquor and a Chinese herbal medicine filter cake; 4) in existence of shielding gas, calcining the silver modified attapulgite, impregnating calcination products in the Chinese herbal medicine extract liquor, and filtering to obtain Chinese herbal medicine modified attapulgite; 5) mixing PP, AES, methyl methacrylate, alkyl glycoside, paraffin, polyhexamethyl guanidine phosphate, expanded vermiculite, D-glyceraldehyde, maltose, chloroplatinic acid, the Chinese herbal medicine modified attapulgite and the Chinese herbal medicine filter cake, and performing melt blowing to obtain the PP melt-blown filter cartridge. The PP melt-blown filter cartridge has excellent filtration and antibacterial effects.
Owner:WUHU CHENGDELONG FILTER EQUIP CO LTD
P2O5-like structural material as well as preparation method and application thereof
ActiveCN112209356AConducive to further exploration of industrial applicationsHigh catalytic activityPhosphorus oxidesElectrolysis componentsPyrrolidinonesPhosphoric acid
The invention discloses a P2O5-like structural material as well as a preparation method and application thereof. The preparation method of the P2O5-like structural material comprises the following step: with guanidine phosphate and polyvinylpyrrolidone as precursors, subjecting gas generated by pyrolysis of polyvinylpyrrolidone to reacting with guanidine phosphate at a high temperature to obtain the P2O5-like structural material. The P2O5-like structural material prepared by the invention is applied as a novel nitrogen and phosphorus (NP) material to the industry of production of hydrogen peroxide through electrochemical selective oxygen reduction for the first time; according to results of detection via a rotating ring disc electrode and H-shaped electrolytic cell equipment, the P2O5-likestructural material has good selectivity and yield in the production of hydrogen peroxide by electrocatalysis; and thus, the further application of the P2O5-like structural material to industrializedelectrocatalytic hydrogen peroxide preparation is facilitated.
Owner:ZHEJIANG UNIV OF TECH
Method for detecting content of guanidine phosphate in textile and filling material
ActiveCN106770724AMeet the requirements for monitoring the content of guanidine phosphateAccurate measurementComponent separationMethanol waterFilling materials
The invention relates to a method for detecting the content of guanidine phosphate in textile and a filling material. The method comprises the following steps: 1, preprocessing a sample: shearing a textile or filling material sample by scissors or crushing the sample by a crusher in order to form a sample with the dimension size not exceeding 2*2*2 mm, uniformly mixing the sample, filling a clean and dry valve bag with the sample, and sealing the valve bag for later use; 2, extracting the sample: weighing a proper amount of the sample, and carrying out ultrasonic extraction by using a methanol-water solution; 3, detecting the concentration of guanidine phosphate in a sample extract solution obtained in step 2 through adopting liquid chromatography-mass spectrometry; and 4, calculating the content of the guanidine phosphate in the sample according to the concentration of the guanidine phosphate in the sample extract solution, obtained in step 3. The detection method is fast and simple, and can realize accurate detection of the guanidine phosphate in textile and the filling material, the lowest quantification concentration is 5 mg / kg, and a problem that no methods for detecting the content of a fire retardant guanidine phosphate exist is solved.
Owner:SGS STANDARD TECHNICAL SERVICES SHANGHAI CO LTD
Waterborne transparent fireproof coating for ancient building wood and preparation method thereof
ActiveCN107652740AImprove fire performanceClear structureFireproof paintsAntifouling/underwater paintsCopperMaterials science
The application of the invention discloses waterborne transparent fireproof coating for ancient building wood, made from, by weight, 3-15 parts of a carbided catalyst, 2-10 parts of a purging agent, 2-10 parts of a carbonizing substance, 15-30 parts of ammoniacal copper quaternary, 1-2 parts of UV-531 antiaging agent, 2-4 parts of a synergist, and 65-93 parts of water; a preparation method of thewaterborne transparent fireproof coating for ancient building wood comprises the steps of 1) weighing; 2) preparing guanidine phosphate crystal; 3) grinding the guanidine phosphate crystal, and dryingin vacuum to obtain guanidine phosphate powder; 4) adding the carbonizing substance, ammoniacal copper quaternary and antiaging agent to the guanidine phosphate powder, adding water, and stirring fordissolving to obtain the coating. The waterborne transparent fireproof coating for ancient building wood can keep excellent fireproof performance in ancient building wood in a severe environment.
Owner:NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG
Antibacterial garment fabric coating
InactiveCN105297422AThe preparation process is simpleImprove antibacterial propertiesFibre treatmentPolyvinyl alcohol2-mercaptobenzimidazole
The present invention relates to an antibacterial garment fabric coating comprising the following components by mass: 58 to 62 parts of calcium dodecylbenzenesulfonate, 60 to 64 parts of polyvinyl alcohol, 56 to 60 parts of ammonium chloride , 60 to 64 parts of methyl cellulose, 56 to 60 parts of amino ethyl imine propyl polysiloxane, 60 to 64 parts of 2-mercaptobenzimidazole, 56 to 60 parts of dibutyl tin dilaurate, 62 to 66 parts of methyl isobutyl nitrile ketone, 56 to 60 parts of chlorothalonil, 60 to 64 parts of diisocyanate, 56 to 60 parts of sodium carboxymethyl cellulose, 60 to 64 parts of dibutyl phthalate, 56 to 60 parts of hydroxy cyclohexylbenzene, 60 to 64 parts of waterborne epoxy-modified polyurethane emulsion, 56 to 60 parts of aluminum tripolyphosphate, 60 to 64 parts of nano titanium dioxide, 56 to 60 parts of chitosan, 60 to 64 parts of poly hexamethylene guanidine phosphate, 56 to 60 parts of Cylindrin, 60 to 64 parts of sodium lauryl carboxymethyl imidazolinium acetate, 56 to 60 parts of bamboo tropolone and 60 to 64 parts of zinc pyrithione. The antibacterial garment fabric coating product has good antibacterial properties.
Owner:WENZHOU POLYTECHNIC
Pentamine guanidine phosphate oligomer, preparation method thereof and antibacterial polymer prepared from pentamine guanidine phosphate oligomer
ActiveCN112961343AArtifical filament manufactureAgainst vector-borne diseasesPolymer scienceOligomer
The invention provides a pentamethylene diamine guanidine phosphate oligomer, a preparation method of the pentamethylene diamine guanidine phosphate oligomer and an antibacterial polymer prepared from the pentamethylene diamine guanidine phosphate oligomer. The pentamethylene diamine guanidine phosphate oligomer has a structure shown in the specification, wherein X is selected from C5-C50 organic groups containing active groups, and the active groups comprise one or more of anhydride groups, isocyanate groups, epoxy groups and oxazoline groups; and Y is hydrogen or X, and n is the number of repetitive units and ranges from 3 to 50. The antibacterial polymer based on pentamethylene diamine guanidine phosphate disclosed by one embodiment of the invention has relatively high antibacterial property and mechanical property, and can be applied to the fields of polyamide fibers, films and plastic products.
Owner:CATHAY R&D CENT CO LTD +2
High-strength flame-retardant air filtering material and preparation method thereof
InactiveCN109126290ASimple structureIncrease roughnessMembrane filtersFiltration separationLithium chloride(Hydroxyethyl)methacrylate
The invention discloses a high-strength flame-retardant air filtering material and a preparation method thereof, and belongs to the technical field of preparation of filtering materials. Lithium chloride and polyacrylonitrile are used as raw materials to obtain nano-fibers, a low-pressure-resistance filtering net-shaped structure is formed, and the service life of the filtering material is prolonged; hydroxyethyl methacrylate and phosphorus pentoxide are subjected to esterification reaction, guanidine sulfamate and guanidine phosphate are added to achieve nitrogen and phosphorus synergistic flame retardance, and meanwhile, a polymer emulsion is fixed in the filtering material to achieve long-acting flame retardance; cerous nitrate and a molecular sieve are added, deliquescence and damage of the filtering material are prevented, and harmful gas is catalytically oxidized via a celerium element, and thus, gas which is harmless to air is formed; and 2-methyl-2-propanol and ramie fibers areintroduced to carry out toughening treatment so as to form a high-strength network structure, and the efficient filtering effect of the filtering material can be maintained for a long time. The problems that the filtering effect of an existing air filtering material is poor and the service life is short are solved.
Owner:俞小峰
Waterproof paper pulp assistant
InactiveCN108978338ASmall water absorptionHydrophobicWater-repelling agents additionNon-macromolecular organic additionWater basedPolyvinyl butyral
The invention discloses a waterproof paper pulp assistant. The waterproof paper pulp assistant is prepared from the following raw materials in parts by weight: 25-33 parts of candelilla wax, 2-4 partsof dipotassium glycyrrhizinate, 10-14 parts of polyvinyl alcohol, 1-3 parts of polyvinyl butyral, 2-4 parts of methylated amino resin, 22-24 parts of four-needle zinc oxide whiskers, 54-78 parts of liquid paraffin, 22-41 parts of polydimethylsiloxane, 1-3 parts of water-based zinc stearate, 2-4 parts of hydroxypropyl cellulose, 3-4 parts of guanidine carbonate, 1-3 parts of potassium pyrophosphate, 10-13 parts of guanidine phosphate and 1-4 of butyl titanate. When the waterproof paper pulp assistant is added in the papermaking process, formed paper can have excellent water resistance.
Owner:广州市宏晓包装制品有限公司
Preparation technology of flame-retardant wallpaper
InactiveCN108660861AReduce manufacturing costIncrease productivitySpecial paperPaper/cardboardPentaerythritolPolymer science
The invention provides a preparation technology of a flame-retardant wallpaper. The preparation technology comprises the following steps of preparing a flame-retardant solution, mixing APP (polyammonium phosphate), PER (pentaerythritol) and GP (guanidine phosphate) according to a weight ratio of 10 to (3 to 5) to (5 to 10); adding OMMT (organic montmorillonite) into the flame-retardant solution, stirring and mixing; utilizing full-screen coating equipment with size of 80 meshes to perform full-screen coating on a substrate by the flame-retardant solution, and coating for multiple times; utilizing a press roll to extrude the coated substrate at high temperature of 40 to 60 DEG C; drying the substrate, and coating a waterborne ink printing layer; utilizing full-screen coating equipment withsize of 100 meshes to print the surface, so as to complete the production of the wallpaper. The preparation technology of the flame-retardant wallpaper has the advantages that the flame-retardant solution is covered on the surface of the substrate in a 80-mesh full-screen way; the substrate is extruded by the press roll at high temperature, so that the flame-retardant solvent can permeate into thesubstrate, thereby forming the flame-retardant wallpaper; while the production efficiency is improved, the preparation method is suitable for batch production, and the production cost of enterprisesis reduced.
Owner:WUJIANG WALLMATE DECORATION MATERIALS
Fabric with good flame resistance and weather resistance
InactiveCN106280772AExcellent flame retardantGood acid and alkali resistanceFireproof paintsRubber derivative coatingsFatty acidFerric Pyrophosphate
The invention relates to a fabric with good flame resistance and weather resistance. A protective coating is adhered to a burlap fabric, and the coating consists of the following components of fluoroether rubber, chlorosulphonated polyethylene resin, hydrogenated nitrile rubber, diethylene glycol monoethyl ether, a pure acrylic emulsion, tall oil fatty acids, terpineol, amyl propionate, arbutin, a garlic extract, propiconazole, sodium monofluorophosphate, sodium ferric pyrophosphate, sodium alginate, SiC micro powder, sodium tetraborate decahydrate, zinc stearate, guanidine phosphate powder, phenyltriethoxysilane, zinc chromate, hexahydrophthalic anhydride, tetrabutyl titanate, zinc borate, nano zinc oxide, aluminum distearate, wool grease, sodium dodecylbenzenesulfonate, isooctanoic acid, glyceryl monostearate and dibutyl phthalate. The fabric disclosed by the invention has good properties of flame retardance, acid-base resistance, mildew prevention and bacteria resistance, and product quality is improved.
Owner:李红玉
Anti-aging self-flame-retardant hyperbranched fluorine-containing polyacrylate emulsion and preparation method thereof
The invention discloses an anti-aging self-flame-retardant hyperbranched fluorine-containing polyacrylate emulsion and a preparation method thereof. The anti-aging self-flame-retardant hyperbranched fluorine-containing polyacrylate emulsion comprises the following raw materials in parts by mass: 50-60 parts of methyl acrylate, 20-30 parts of methacrylic acid, 15-20 parts of perfluorooctyl ethyl acrylate, 25-35 parts of pentaerythritol tetramine, 15-20 parts of itaconic acid, 10-15 parts of dicyandiamide, 3-5 parts of guanidine phosphate, 4-8 parts of amino trimethylene phosphonic acid, 1-2 parts of a catalyst, 0.5-1.5 parts of an initiator, 20-30 parts of functionalized layered double hydroxides, 2-3 parts of allyloxy nonylphenoxy propyl alcohol polyoxyethylene ether ammonium sulfate, 25 to 30 parts of N, N-dimethyl formamide and 80 to 120 parts of deionized water. The fluorine-containing hyperbranched fluorine-containing polyacrylate emulsion prepared by the method disclosed by the invention has excellent self-flame-retardant, antibacterial and anti-aging characteristics, high molecular weight, excellent solubility, hydrophobic and oleophobic properties and high film-forming stability.
Owner:朱浩
Kieselguhr modification-based PP melt-blown filter element and preparation method thereof
InactiveCN106178694AImprove filtering effectImprove antibacterial propertiesMembrane filtersFiltration separationGuanidine PhosphateChemistry
The invention discloses a kieselguhr modification-based PP melt-blown filter element and a preparation method thereof. The method comprises the following steps: (1) coating the surface of kieselguhr with a polymer coating, and then performing drying, soaking in a dilute sulfuric acid solution and filtration to obtain activated kieselguhr; (2) simultaneously spraying a silver nitrate solution and a hydrazine sulfate solution to the surface of the activated kieselguhr, and stewing to obtain silver-modified kieselguhr; (3) decocting Chinese herbal medicines in water, and filtering to obtain a Chinese herbal medicine extracting solution and a Chinese herbal medicine filter cake; (4) with the existence of protection gas, calcining the silver-modified kieselguhr, then soaking a calcined product into the Chinese herbal medicine extracting solution, and filtering to obtain Chinese herbal medicine-modified kieselguhr; (5) blending PP, AES, methyl methacrylate, alkyl glycoside, paraffin, poly-hexamethyl guanidine phosphate, expanded vermiculite, D-glyceraldehyde, maltose, chloroplatinic acid, the Chinese herbal medicine-modified kieselguhr and the Chinese herbal medicine filter cake, and performing melt blowing to obtain the PP melt-blown filter element. The PP melt-blown filter element has excellent filtering and antibacterial effects.
Owner:WUHU CHENGDELONG FILTER EQUIP CO LTD
Fireproof coating, wooden hanging plate and preparation method thereof
InactiveCN112920675AImprove dispersion uniformityImprove liquidityFireproof paintsPhosphoric Acid EstersPhosphate
The invention relates to a fireproof coating, a wood hanging plate and a preparation method thereof, and the fireproof coating is mainly prepared from the following raw materials in parts by weight: 18-22 parts of amino resin; 4-6 parts of ethylene glycol butyl ether; 0.05-0.2 part of alcohol ester-12; 0.05-0.2 part of benzyl alcohol; 0.1-0.2 part of a waterborne polyurethane dispersion body; 1-3 parts of an ethylene-ethylene acetic acid copolymer; 3-7 parts of polysiloxane; 5-8 parts of phosphorus-nitrogen phosphate; 4-8 parts of guanidine phosphate; 8-12 parts of pentaerythritol; and 20-40 parts of water. Meanwhile, the invention further discloses the fireproof coating prepared under the action of stirring twice and ultrasound. Through mutual cooperation of the raw materials and under the action of the preparation method and process parameters, the prepared fireproof coating has better dispersion uniformity and flowability, can be coated on the surface of a wooden hanging plate at one time, greatly simplifies the construction period, realizes industrial production, and can ensure that the coating has higher fireproof performance.
Owner:应急管理部四川消防研究所
Multifunctional clothing material and preparation method thereof
ActiveCN110295495AImprove mechanical propertiesGood flexibilityBiochemical fibre treatmentGrip property fibresLithium sulfateEngineering
The invention provides a multifunctional clothing material and a preparation method thereof, and belongs to the technical field of clothing materials. The multifunctional clothing material is preparedby the steps: placing a cotton fiber base fabric into N-methylmorpholine-N-oxide water solution containing nano-antibacterial agents, guanidine phosphate and lithium sulfate; performing heating treatment and then sequentially performing curing and self-cleaning finishing to obtain the multifunctional clothing material. According to the preparation method of the multifunctional clothing material,cotton fibers can be transformed into regenerated cellulose fibers, formed regenerated cellulose tends to be more uniformly distributed on the surface of a fabric, binding firmness of antibacterial agents and cellulose molecules of the base fabric is enhanced, a prepared nano self-cleaning agent is lasting in effect, the acquired multifunctional clothing material has better mechanical properties,softness, breathability, antibacterial stability, durability and self-cleaning stability.
Owner:HAIYAN SHUOCHUANG CLOTHING RES INST
a kind of p 2 o 5 Structural materials and their preparation methods and applications
ActiveCN112209356BConducive to further exploration of industrial applicationsHigh catalytic activityPhosphorus oxidesPhysical/chemical process catalystsPyrrolidinonesPhosphoric acid
Owner:ZHEJIANG UNIV OF TECH
Nonconsumable wood flame retardant and its preparation
InactiveCN1304183CSolve moisture absorptionAntisepticWood impregnation detailsFoaming agentPentaerythritol
An anti-losing flame-retarding agent for wood or other organic fibre materials is prepared from formaldehyde, urea, ammonia water, phosphoric acid, cyanuramide and / or guanidine phosphate and / or guanidine sulfate, and polyethanediol and / or pentacrythrite and / or dextrin.
Owner:陈万利 +3
Guanidine phosphate ultraviolet frequency doubling crystal material, and preparation method and application thereof
ActiveCN113322518AStrong frequency doubling effectWide UV optical transmission rangePolycrystalline material growthLaser detailsHolographic storageUltraviolet
The invention relates to a guanidine phosphate ultraviolet frequency doubling crystal material, and a preparation method and application thereof. The chemical formula of the guanidine phosphate material is [C(NH2)3]6(PO4)2.3H2O, the guanidine phosphate material belongs to a monoclinic system, the space group of the guanidine phosphate material is Cc, and the cell parameters of the guanidine phosphate material are as follows: beta = 91.90-92.20 DEG, alpha = gamma = 90 DEG, and Z = 4. Compared with the existing material, the guanidine phosphate material disclosed by the invention has a relatively large frequency-doubled effect, and the frequency-doubled strength of powder is about 3.8 times of that of a KH2PO4(KDP) crystal under the irradiation of 1064 nm laser; and the frequency-doubled effect intensity of the powder measured under the irradiation of 532nm laser is about 0.3 time of that of the beta-BaB2O4 crystal. In addition, the ultraviolet absorption cutoff edge of the material is 205nm, and the material has wide application prospects in the fields of laser frequency conversion, photoelectric modulation, laser signal holographic storage and the like.
Owner:TONGJI UNIV
Preparation and application of a guanidinium-immobilized affinity magnetic sphere with core-shell structure
ActiveCN104877091BAchieve selective enrichmentEasy to separateComponent separationMaterial analysis by electric/magnetic meansMethacrylateΑ casein
Owner:SOOCHOW HIGH TECH CHROMATOGRAPHY
Solution-processable solid blue fluorescent-red phosphorescent carbon quantum organic frameworks with high quantum yield and their preparation and applications
ActiveCN113416539BHigh quantum yieldIncrease brightnessMaterial nanotechnologyNanoopticsQuantum yieldPerylenetetracarboxylic dianhydride
The invention relates to the field of fluorescent-phosphorescent carbon nanomaterials, in particular to a solution-processable solid blue fluorescent-red phosphorescent carbon quantum organic framework with high quantum yield and its preparation and application. Using trimellitic acid, guanidine phosphate and 3,4,9,10-perylenetetracarboxylic dianhydride as carbon source precursors, a solution-processable solid blue fluorescent-red can be obtained by solvothermal method under acidic conditions Phosphorescent carbon quantum organic frameworks. The blue fluorescent-red phosphorescent solid carbon quantum organic framework prepared by the present invention is a network structure formed by connecting chains with π-channels with carbon quantum dots as the core, and has broad application prospects.
Owner:BEIJING NORMAL UNIVERSITY
A kind of multifunctional clothing material and preparation method thereof
ActiveCN110295495BImprove mechanical propertiesGood flexibilityBiochemical fibre treatmentGrip property fibresLithium sulphatePolymer science
The invention provides a multifunctional clothing material and a preparation method thereof, belonging to the technical field of clothing materials. The multifunctional clothing material is obtained by the following steps: arranging a cotton fiber base on N-methyl N-methyl containing nano-antibacterial agent, guanidine phosphate and lithium sulfate Morpholine-N-oxide aqueous solution is heat-treated, followed by curing and self-cleaning finishing in turn, that is, a multi-functional clothing material. The preparation method of the multi-functional clothing material of the present invention can convert cotton fibers into regenerated cellulose fibers. After the regenerated cellulose is formed, it tends to exist on the surface of the fabric and distribute more uniformly, thereby enhancing the interaction between the antibacterial agent and the cellulose molecules of the base cloth. Combined with firmness, the obtained nano self-cleaning agent has a long-lasting effect, and the obtained multi-functional clothing material has better mechanical properties, softness, air permeability, antibacterial stability and durability, and self-cleaning stability and durability.
Owner:HAIYAN SHUOCHUANG CLOTHING RES INST
Polyhexamethylene guanidine phosphate and synthetic method thereof
ActiveCN103145981BNo stimulationNo corrosionOrganic chemistryOrganic compound preparationHexamethylenediaminePhosphate
The invention provides a synthetic method for polyhexamethylene guanidine phosphate and poly hexamethylene guanidine phosphate synthesized by the method. The polyhexamethylene guanidine phosphate is obtained by the steps of reacting dicyandiamide and ammonium dihydrogen phosphate to synthesize an aminoguanidine dihydrogen phosphate salt, and then reacting the aminoguanidine dihydrogen phosphate salt with 1, 6-hexamethylene diamine. The method for synthesizing the polyhexamethylene guanidine phosphate is proper in selection of raw materials and technical process, simple in preparation method and low in cost, and is suitable for industrialized production. The prepared polyhexamethylene guanidine phosphate has the characteristics of no toxicity, no stimulation and no corrosion, and has very good killing effect for mildew.
Owner:上海高聚生物科技有限公司
A kind of guanidine phosphate ultraviolet frequency doubling crystal material and its preparation and application
ActiveCN113322518BStrong frequency doubling effectWide UV optical transmission rangePolycrystalline material growthLaser detailsHolographic storageUltraviolet
Owner:TONGJI UNIV
Novel inorganic environment-friendly flame retardant for flame-retardant paper
The invention discloses a novel inorganic environment-friendly flame retardant for flame-retardant paper, and particularly relates to the field of inorganic flame retardants, which is prepared from the following raw materials in parts by weight: 19 to 25 parts of ammonium polyphosphate, 0.8 to 1.5 parts of magnesium hydroxide, 0.6 to 0.9 part of magnesium oxide, 3.75 to 5.75 parts of B-type flame retardant and 0.8 to 1.3 parts of guanidine phosphate. The B-type flame retardant is any one of a polypropylene flame retardant, an inorganic flame retardant and a brominated flame retardant. According to the invention, magnesium hydroxide, magnesium oxide and a phosphorus-containing compound are used as main flame retardants, and bound water released when magnesium hydroxide is heated and decomposed is mixed into air, so that the concentration of combustible gas in the air is changed, and related supplementation is provided for the inorganic flame retardant market; the flame-retardant paper has the characteristics of high flame-retardant efficiency, no halogen, environment friendliness, low smoke, low toxicity and the like, has the capability of greatly improving the insulating strength of the flame-retardant paper by adding the components of ammonium polyphosphate, magnesium oxide and guanidine phosphate, has higher production value, use value and application prospect, and reduces the cost of the flame retardant.
Owner:广信新材料科技(长沙)有限责任公司
A kind of water-based transparent ancient building wood fireproof coating and preparation method thereof
ActiveCN107652740BImprove fire performanceClear structureFireproof paintsAntifouling/underwater paintsWater basedCopper
Owner:NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG
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