32 results about "Guanidine Phosphate" patented technology

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.

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.

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.

The invention discloses a class P 2 o 5 Structural materials and methods for their preparation and use, the class P 2 o 5 The preparation method of the structural material is as follows: using guanidine phosphate and polyvinylpyrrolidone as precursors, the gas generated by pyrolysis of polyvinylpyrrolidone reacts with guanidine phosphate at high temperature to obtain the P-like 2 o 5 Structural materials. Class P prepared by the present invention 2 o 5 Structural material, as a new nitrogen-phosphorus (NP) material, was first used in the electrochemical selective oxygen reduction industry to produce hydrogen peroxide, and it was found that it has a good The selectivity and yield are beneficial to the application of further industrialized electrocatalytic production of hydrogen peroxide.

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.

The invention relates to the preparation and application of a guanidine-based immobilized affinity magnetic sphere with a core-shell structure, which adopts superparamagnetic iron tetroxide microspheres as a substrate, and 3-(trimethoxysilyl)methanol is bonded on the surface Vinyl-modified magnetic spheres were formed from acrylate-based acrylates, and polymer-coated magnetic spheres with a core-shell structure were obtained by distillation-precipitation polymerization; guanidinium-immobilized core-shell structures were obtained by functional modification of the polymer layer. Polymer coated magnetic balls. In the preparation material of the present invention, utilizing the strong interaction between the guanidinium group and the phosphate group, the polyphosphopeptides in the α-casein (α-casein) or β-casein (α-casein) enzymolysis solution can be respectively realized Or the selective enrichment of all phosphopeptides, the enrichment capacity for phosphopeptides reaches 200 mg / g, the detection limit for phosphopeptides reaches 0.5 fmol, and the recovery rate for phosphopeptides enrichment reaches 91.30%. Utilizing the superparamagnetism of the material, rapid and complete separation can be achieved within 30s.

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.

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.

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.

The invention relates to a guanidine phosphate ultraviolet frequency doubling crystal material and its preparation and application. The chemical formula of the guanidine phosphate material is [C(NH 2 ) 3 ] 6 (PO 4 ) 2 ·3H 2 O belongs to the monoclinic crystal system, its space group is Cc, and the unit cell parameters of the guanidine phosphate material are β=91.90~92.20°, α=γ=90°, Z=4. Compared with the existing materials, the guanidine phosphate material of the present invention has a greater frequency doubling effect, and the frequency doubling intensity of the powder is about KH under 1064nm laser irradiation 2 PO 4 3.8 times that of (KDP) crystals; under 532nm laser irradiation, the powder frequency doubling effect intensity is about β‑BaB 2 o 4 0.3 times of the crystal. In addition, the ultraviolet absorption cut-off edge of this material is at 205nm, which has broad application prospects in the fields of laser frequency conversion, photoelectric modulation, and laser signal holographic storage.

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.

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.