20 results about "Guanidine Phosphate" patented technology

The application discloses a kind of flame-retardant ABS compositions, by parts by weight, including the following components: ABS resin 70-80 parts;Bromine flame retardant 16-20 parts;Aluminum phosphonate flame retardant 3-5 parts;Guanyl phosphate flame retardant 1-2 parts.The application can achieve 1.5mm V-0 flame retardation without adding antimony trioxide by compounding bromine flame retardant, aluminum phosphonate flame retardant, guanyl phosphate flame retardant, and has the advantages of high melt flowability, low density, good toughness, suitable for preparing lightweight vehicle parts.

The invention belongs to the technical field of multifunctional fabric manufacturing, and particularly relates to a flame-retardant, antibacterial and hydrophobic cotton-polyester blended fabric and a preparation method thereof. A simple padding and baking method is adopted, polyethyleneimine, guanidine phosphate and boric acid are compounded to serve as functional finishing liquid to conduct padding on the fabric, then hydrophobic polymer spraying liquid is adopted for spraying, and the flame-retardant function, the antibacterial function and the hydrophobic function are successfully integrated into the cotton-polyester blended fabric. The polyethyleneimine effectively fixes the guanidine phosphate and the boric acid on the fabric, the guanidine phosphate and the boric acid can play an efficient phosphorus-nitrogen-boron synergistic flame-retardant role during combustion, formation of a compact carbon layer is promoted, and meanwhile efficient broad-spectrum antibiosis is achieved. The polydimethylsiloxane is attached to the surface of the cotton-polyester blended fabric, water molecules are difficult to spread on the surface of the cotton-polyester blended fabric, the lower flame-retardant / antibacterial layer is physically protected, the loss of the lower flame-retardant / antibacterial layer in washing or friction is reduced, the fabric is endowed with washable and wear-resistant hydrophobicity, the process is simple, the energy consumption is low, and the production efficiency is improved.

The invention discloses a multi-element synergistic flame-retardant water-based composite emulsion and a preparation method thereof.According to the multi-element synergistic flame-retardant water-based composite emulsion and the preparation method thereof, through synergistic flame retardance of multiple elements of silicon, phosphorus, nitrogen and boron, the flame retardant property of the water-based emulsion is remarkably improved, meanwhile, a boron-containing cellulose-based reinforcing agent is introduced, and guanidine phosphate and sodium silicate are added into the water-based emulsion, so that the flame retardance of the water-based emulsion is improved; through electrostatic interaction and wide hydrogen bond network effect, the mechanical properties of the emulsion are significantly enhanced on the basis of synergistic flame retardance. The oxygen index of the composite emulsion can reach 33.2%, the flame retardant grade can reach the V-0 grade of UL-94, and the mechanical property is improved. The flame retardant and the reinforcing agent used in the method can be well dispersed in the water-based composite emulsion, the influence on the color of the emulsion is small, and the method has the advantages of being simple in process, environmentally friendly and wide in application prospect.

To provide a transparent coating composition for wood which can impart good flame retardancy to a wood surface simply by applying it to the surface without impairing the texture of the wood (visibility of wood grain). [Solution] The clear coating composition for wood of the present invention is characterized by comprising: a primer coating composition containing a binder containing a specific composition of a precondensate of dicyandiamide, phosphoric acid, and formaldehyde and a predetermined amount of polyethyleneimine; a predetermined amount of a phosphorus compound with excellent carbonization properties as a flame retardant; and a top coating composition containing the binder and predetermined amounts of fibrous nanosilica and mica fine powder. The phosphorus compound with excellent carbonization properties can be at least one selected from phosphinic acid metal salts, melamine polyphosphate, and guanidine phosphate.

The invention discloses 3D printing photosensitive resin with improved flame retardance and a preparation method. The 3D printing photosensitive resin with improved flame retardance comprises the following components in parts by weight: guanidine phosphate modified polyurethane acrylate, a monomer, a photoinitiator, an antioxidant, a flame retardant and a filler. The preparation method of the modified polyurethane acrylate comprises the following steps: S1, putting guanidine phosphate containing hydroxyl and polyethylene glycol diisocyanate containing two-NCO into a stirring device, and stirring; s2, polypropylene containing hydroxyl is continuously put into the stirring device; s3, guanidine phosphate is continuously added into the stirring device, and guanidine phosphate modified polyurethane acrylate is prepared. The flame-retardant printing ink has a flame-retardant effect, and the phenomenon that the printing success rate is affected due to additional additive components is reduced.

The invention discloses a high-scratch-resistance automobile armrest coating part and a preparation process thereof, and relates to the technical field of automobile armrest coating parts. Double bonds in the modified ethylene propylene diene monomer and 3-thiohydracrylic acid are subjected to a thiol-ene click reaction, so that the dynamic fatigue performance is improved; carboxyl is introduced to react with epoxy groups to construct an efficient cross-linked network, so that the compatibility is improved, and the mechanical property is remarkably enhanced; dicumyl peroxide is decomposed to generate free radicals, the free radicals and a modified ethylene propylene diene monomer molecular chain form a high-density cross-linked network, the elasticity and heat resistance of the material are improved, meanwhile, modified ethylene propylene diene monomer particles are dispersed in a thermoplastic elastomer matrix, and the scratch resistance is remarkably improved. Modified boron nitride is added, phosphomolybdic acid and guanidine phosphate are subjected to electrostatic adsorption to form an intumescent flame-retardant synergistic layer, and in addition, an inorganic filler and a flame retardant enhance rigidity and flame retardance; and the ethylene-zinc acrylate ionomer can improve the adhesion and the scratch resistance. The product can be widely applied to the field of automobile industry.

The invention relates to the technical field of cables, and provides a crosslinked polyethylene insulation type rat-proof and ant-proof flame-retardant control cable which sequentially comprises a conductor, a conductor shielding layer, a crosslinked polyethylene insulation layer, an insulation shielding layer, a metal shielding layer, a steel tape armoring layer and an outer sheath layer from inside to outside. The outer sheath layer comprises the following components in parts by weight: 60-80 parts of polyvinyl chloride resin, 15-20 parts of ethylene propylene diene monomer, 6-10 parts of chlorinated polyethylene, 17.5-22.4 parts of guanidine phosphate modified montmorillonite, 4.8-10.5 parts of zinc borate, 8-12 parts of carbon black, 1-1.2 parts of a vulcanizing agent, 0.5-0.8 part of an assistant vulcanizing agent, 8-14 parts of a plasticizer, 4-7 parts of a rat-proof and ant-proof agent and 1-3 parts of an antioxidant. According to the technical scheme, the problem of poor flame retardance of the control cable in the prior art is solved.

The present invention provides a guanidine phosphite nonlinear optical crystal and a preparation method and use thereof. The chemical formula of the crystal is [C(NH2)3]2HPO3, the molecular weight is 200.15, and the crystal belongs to the monoclinic system with a space group of Cm , the unit cell parameters are a =13.0197(14)Å, b =7.3168(7)Å, c =11.7448(19)Å, α= 90°, β= 119.607(3)°, c= 90°, unit cell volume is 972.8(2)Å 3 The frequency doubling effect of the crystal is about 0.8 times that of KH2PO4 (KDP), and the ultraviolet cutoff edge is about 189nm. The crystal is grown by evaporation, hydrothermal or room temperature solution method. The crystal has good chemical stability and can be used as a short-wavelength ultraviolet nonlinear optical crystal in all-solid-state lasers.

This invention discloses a three-dimensional graphene oxide composite foam material with both antibacterial and high uranium selectivity, and its preparation method, belonging to the fields of environmental functional materials and seawater uranium extraction technology. Using graphene oxide (GO) as the matrix, this invention introduces superhydrophilic polyethyleneimine (PEI), highly uranium-selective poly(amine oxime) (PAO), and guanidine phosphate polymer (PGdn) with both antibacterial and uranium coordination capabilities, and prepares the GO-PEI-PAO-PGdn (GPP-PGdn) composite foam material through a one-step covalent cross-linking method. The material prepared by this invention has a three-dimensional interconnected porous structure, superhydrophilic properties, and excellent uranium selectivity. The uranium partition coefficient Kd value in natural seawater reaches as high as 18250 mg / L, and the uranium removal rate reaches 87.65%, achieving highly selective uranium enrichment. Simultaneously, it has significant antibacterial effects against Escherichia coli and Staphylococcus aureus, effectively solving the problem of biofouling during seawater uranium extraction. The material prepared by this invention has a mild and controllable process that can be scaled up and can be widely used in fields such as trace uranium enrichment and uranium-containing radioactive wastewater treatment. It also has excellent adsorption performance, cycle stability and environmental resistance.

An object of the present invention is to provide, in particular, flame-resistant paper for a radio wave absorber member, the flame-resistant paper being unlikely to break during the production process and having favorable producibility in addition to being suitable for a radio wave absorber member and having high flame resistance. The flame-resistant paper for a radio wave absorber member according to the present invention contains pulp, aluminum hydroxide, guanidine phosphate, a binder, and a conductive substance, in which the content of the pulp is 5 to 20 mass %, the content of the aluminum hydroxide is 40 to 70 mass %, the content of the guanidine phosphate is 10 to 20 mass %, the content of the binder is 5 to 10 mass %, and the content of the conductive substance is 0.1 to 12 mass %.

The present invention provides a flame-retardant paper for a radio wave absorber component and a method for manufacturing the same. The flame-retardant paper is particularly suitable for components of a radio wave absorber and, in addition to having high flame retardancy, is less likely to break during the manufacturing process, resulting in excellent productivity. The present invention provides a flame-retardant paper for a radio wave absorber component, comprising pulp, aluminum hydroxide, guanidine phosphate, a binder, and a conductive substance. The flame-retardant paper comprises 5% to 20% by mass of pulp, 40% to 70% by mass of aluminum hydroxide, 10% to 20% by mass of guanidine phosphate, 5% to 10% by mass of the binder, and 0.1% to 12% by mass of the conductive substance.

According to the flame retardant for the plywood and the preparation method of the flame retardant, the phosphorus-nitrogen-magnesium synergistic flame retardant effect of guanidine phosphate and nano magnesium hydroxide is utilized, the limit oxygen index is increased, dripping is avoided during vertical combustion, open fire spreading is avoided, the combustion time is shortened, a chain reaction is blocked, the flame retardant efficiency is nearly doubled, and the problem that the combustion performance of the plywood is poor is solved; the preparation method has the advantages of no need of newly adding complex equipment, good adaptability with an existing production line, only additional arrangement of an auxiliary device, strong compatibility, low modification difficulty, controllable cost, reduction of preparation energy consumption, no emission of harmful wastes, conformity with environmental protection requirements, simple preparation method, small environmental influence, suitability for mass production, simple and convenient plywood treatment operation, easy parameter control, and wide application prospect. And a scientific basis is provided for research and development of green flame-retardant wood materials.

The invention discloses a preparation method and flame-retardant application of hypophosphorous acid, and relates to the technical field of flame retardants. The preparation method comprises the following steps: adding a hypophosphorous acid aqueous solution into a kneading machine, adding water for dilution under a stirring condition, then adding guanidine carbonate, closing a cover under a heating condition, stirring and reacting for 0.8-1.2 hours, condensing, refluxing and evaporating water, continuing to react for 1.5-2.5 hours, leading out generated excessive water, and finally drying in vacuum to finish the preparation. The invention also discloses application of guanidine hypophosphite as a flame retardant. According to the invention, high-yield preparation of guanidine hypophosphite is realized by regulating and controlling reaction conditions, the prepared guanidine hypophosphite is relatively high in water solubility, and meanwhile, the flame retardant efficiency is remarkably superior to that of flame retardant products of the same type, so that the preparation method has relatively high application value.

The invention relates to an efficient halogen-free flame-retardant heat-shrinkage woven fabric and a preparation method thereof, and belongs to the technical field of high polymer materials. The flame-retardant heat-shrinkage woven fabric provided by the invention does not contain halogen and is green and environment-friendly; in the preparation process of the flame-retardant emulsion, a silicon-containing compound is hydrolyzed into a silicon-oxygen compound with a net-shaped structure, and part of guanidine phosphate can be coated, so that the surface roughness of the treated braided fabric is improved, and the water contact angle is increased. Meanwhile, vinyl trimethoxy silane contains hydrophobic vinyl, so that the hydrophobicity of the treated woven fabric can be further improved, and the dimensional stability of the heat-shrinkage woven fabric can be improved; the flame-retardant liquid contains flame-retardant elements such as phosphorus, nitrogen and silicon, and guanidine phosphate mainly plays a role in gas-phase flame retardance. And the silicon-containing compound can form a compact silicon dioxide protection layer in the combustion process, so that the exchange of heat and oxygen in the combustion process is isolated, and a solid-phase flame-retardant effect is achieved. The two components form a synergistic effect, so that the use amount of the flame retardant is reduced.

The present invention belongs to the technical field of polymer materials, and in particular to a cross-linked end-capped polyimide with a high residual carbon rate and its application. 1,4,5,8-naphthalenetetracarboxylic anhydride and 4,4'-diaminobiphenyl-2,2-dicarboxylic acid are dissolved in N-N dimethylacetamide, maleic anhydride is added and reacted at room temperature under a nitrogen atmosphere to obtain PAA; PAA is evenly drop-coated on a glass plate for gradient temperature reaction to obtain PI. Polyurethane and guanidine phosphate are dissolved in N-N dimethylacetamide, and the prepared PI is dissolved therein to obtain a polyurethane mixed solution, and the mixed solution is then evenly drop-coated on a glass plate and dried to obtain a polyurethane composite material. The polyimide of the present invention is compounded with flame retardant GP for use in improving the flame retardant grade of thermoplastic polyurethane composite materials, and the obtained polyurethane composite materials have excellent mechanical properties and heat resistance, and have broad prospects in high-performance application fields.

The invention discloses flame-retardant cellulose based on a phosphorus-nitrogen deep-eutectic solvent system as well as a preparation method and application of the flame-retardant cellulose, and belongs to the field of modified cellulose materials. The preparation method comprises the following steps: respectively stirring guanidine phosphate or urea phosphate with betaine hydrochloride and urea, and stirring urea phosphate and urea to form uniform and transparent liquid, so as to obtain a deep-eutectic solvent containing a phosphorus-nitrogen phosphorylation reagent, adding a cellulose raw material into the deep-eutectic solvent containing the phosphorus-nitrogen phosphorylation reagent at 110-170 DEG C, the flame-retardant cellulose based on the phosphorus-nitrogen-containing eutectic solvent system has an excellent flame-retardant effect, the preparation method is simple to operate and low in cost, meanwhile, energy loss of mechanical treatment in the fiber nanocrystallization process can be effectively reduced, the used eutectic solvent is environmentally friendly and can be recycled to a certain extent, and the cost is low. And industrial production and application of flame-retardant cellulose treatment are facilitated.

The application discloses a multi-element synergistic flame-retardant water-based composite emulsion and a preparation method thereof. The application realizes multi-element synergistic flame-retardant through silicon, phosphorus, nitrogen and boron, thereby significantly improving the flame-retardant performance of the water-based emulsion. Meanwhile, the introduction of the boron-containing cellulose-based reinforcing agent, together with guanidine phosphate and sodium silicate in the water-based emulsion, significantly enhances the mechanical performance of the emulsion on the basis of synergistic flame-retardant through the existing electrostatic effect and extensive hydrogen bond network effect. The oxygen index of the composite emulsion can reach 33.2%, the flame-retardant grade can reach V-0 grade of UL-94, and the mechanical performance is increased. The flame retardant and the reinforcing agent used in the application can be well dispersed in the water-based composite emulsion, have little influence on the color of the emulsion, and have the advantages of simple process, green environmental protection and wide application prospect.

The present invention provides a compound guanidine difluorophosphate and a guanidine difluorophosphate nonlinear optical crystal, as well as a preparation method and use thereof. The chemical formula of the compound is C(NH2)3PO2F2, the molecular weight is 161.06, and the crystal is prepared by a room temperature solution method. The chemical formula of the crystal is C(NH2)3PO2F2, the molecular weight is 161.06, and the crystal belongs to the orthorhombic system with a space group of P mn21, the unit cell parameters are a=8.159(3), b=4.9477(17), c=7.945(3), α=90°, β=90°, γ=90°, and the unit cell volume is 315.35 Å 3 The crystal is grown by room temperature solution method or hydrothermal method. The crystal has good chemical stability and can be used as a short-wavelength nonlinear optical crystal in all-solid-state lasers.

The invention relates to the technical field of mining pipelines, in particular to a mining double-resistant pipeline and a preparation method thereof.The mining double-resistant pipeline is mainly prepared from, by weight, 100 parts of polyethylene, 0.5-2 parts of compatilizer, 0.5-1 part of dispersing agent, 0.5-1 part of lubricating agent, 0.5-1 part of antioxidant, 5-8 parts of reinforcing agent, 8-10 parts of antistatic agent and 10-15 parts of flame retardant. The flame retardant comprises guanidine phosphate, expansible graphite and magnesium hydroxide, and the reinforcing agent comprises a multiwalled carbon nanotube, nano organic montmorillonite and dimethyl methylphosphate. The mining double-resistant pipeline prepared by the invention is excellent in flame retardance and antistatic property.

The present invention discloses a transparent insect-proof self-repairing ancient building fire-retardant coating and a preparation method thereof, and relates to the technical field of wooden building protection. The present invention comprises an amino resin, isophorone diisocyanate, ethylene-vinyl acetate copolymer, polyvinyl alcohol, phosphonitrile phosphate, guanidine phosphate, zirconium borate, pentaerythritol, phytic acid and a film-forming additive; the isophorone diisocyanate serves as a curing agent for the amino resin; the isophorone diisocyanate and the amino resin are connected via a hindered urea structure; the hindered urea structure is used for self-repair and forms hydrogen bonds with the phytic acid; so as to achieve the coating being able to self-repair fine scratches, and in the absence of an external ultraviolet absorber, being able to absorb ultraviolet rays and reduce the aging rate of wood, and a preparation method is provided to achieve the purpose of having hydrogen bonds for absorbing ultraviolet rays and for self-repairing the hindered urea structure in the prepared coating.