231 results about "Phosphonium" patented technology

The invention relates to a cured product of phosphonium styryl modified unsaturated resin and a preparation method thereof. The cured product is a cross-linked polymer of phosphonium styryl modified unsaturated resin and a free radical polymerization monomer; wherein the phosphonium styryl modified unsaturated resin is obtained by carrying out quaternary phosphonium reaction on phosphorus-containing unsaturated resin and 4-vinyl benzyl halide. The cured product has good flame retardant property.

The invention relates to the field of carbon fiber epoxy resin modification and preparation, in particular to a pultrusion epoxy resin composition and application thereof, an epoxy resin material and a preparation method and application of the epoxy resin material. Wherein the component A comprises an epoxy resin mixture, a diluent, a coupling agent, a modified carbon nanotube and a release agent; the epoxy resin mixture comprises at least two of polyfunctional epoxy resin, rigid particle modified bisphenol epoxy resin, hydantoin epoxy resin and alicyclic epoxy resin; the component B comprises a curing agent, a toughening agent, a composite accelerant and a catalyst; the composite accelerant is selected from at least two of modified imidazole, chromium acetylacetonate and triphenyl ethyl phosphonium bromide; the composition overcomes the defects that the viscosity of an epoxy resin system is relatively high and all the components need to be mixed at relatively high temperature, and the heat resistance and the strength retention rate are high while the toughness is improved.

An electrolyte membrane for a battery that cycles lithium ions includes a sulfide-based solid electrolyte, a polymer binder, an inorganic filler, an inorganic lithium salt, and an ionic liquid. The sulfide-based solid electrolyte includes lithium sulfide (Li2S) and at least one element selected from the group consisting of phosphorus (P), tin (Sn), silicon (Si), germanium (Ge), boron (B), gallium (Ga), and aluminum (Al). The ionic liquid includes substantially equimolar amounts of a cation and an anion. The cation includes a complex of lithium (Li+) and an ethylene glycol dimethyl ether, an imidazolium ion, a piperidinium ion, a pyrrolidinium ion, an ammonium ion, a phosphonium ion, or a combination thereof. The anion includes an arsenate ion, a phosphate ion, a sulfonylimide ion, a borate ion, a chlorate ion, or a combination thereof.

The invention provides an antibacterial polyurethane acrylate film material embedded with N-substituted benzisothiazolinone and alkenyl functionalized quaternary phosphonium salt, and belongs to the field of organic antibacterial coatings. N-substituted alkenyl of benzisothiazolinone is functionalized, tri (4-methoxyphenyl) phosphine alkenyl is functionalized, and the antibacterial polyurethane acrylate film material is prepared. Double bonds are introduced into a benzisothiazolinone structural unit and a tri (4-methoxyphenyl) phosphine structural unit, N-substituted benzisothiazolinone (NIT) and tri (4-methoxyphenyl) (nonyl-8-ene-1-yl) phosphonium bromide (TPC9) are grafted into a polyurethane acrylate main chain at the same time, and by means of the remarkable antibacterial activity of the NIT and the TPC9 on escherichia coli and staphylococcus aureus, the polyurethane acrylate can be used for preparing the antibacterial polyurethane acrylate. A broad-spectrum antibacterial material is prepared, and a corresponding antibacterial coating can be used for modifying the surface of a base material.

The invention relates to the technical field of water treatment, in particular to a method for preparing a quaternized modified tannin-based organic flocculant through irradiation grafting, a product prepared through the method and application of the quaternized modified tannin-based organic flocculant. The method comprises the following steps: (1) under the irradiation of 30-60 mW / cm < 2 > of ultraviolet light, adding brominated vinyl triphenylphosphine into a mixture of tannic acid and a photoinitiator for reaction; (2) adjusting the ultraviolet intensity to 5-20 mW / cm < 2 > for reaction; (3) closing the ultraviolet reaction; and (4) precipitating the product with ethanol, filtering and washing to obtain the quaternary phosphonium modified tannin-based organic flocculant. Wherein the photoinitiator is selected from one of benzophenone and benzoin dimethyl ether. The quaternized modified tannin-based organic flocculant provided by the invention can efficiently remove algae in a water body in an environment-friendly manner, and avoids secondary pollution caused by algae cell rupture at the same time.

The invention discloses an application of an ionic liquid in extraction of trioxymethylene, in the process of generating trioxymethylene by acid-catalyzed condensation of a formaldehyde aqueous solution, the ionic liquid is added as an extraction agent to extract and separate the trioxymethylene generated by reaction, and the ionic liquid is methyl tributyl phosphonium bis (trifluoromethanesulfonyl) imide salt; when the ionic liquid is used for extracting trioxymethylene, a ternary azeotropic system of trioxymethylene, water and methylene glycol can be broken, the ionic liquid and trioxymethylene are subjected to nonpolar Van der Waals' force interaction so as to realize extraction, and methylene glycol and water are left in a water phase through hydrogen-bond interaction, so that high-purity trioxymethylene with the purity of more than or equal to 99.5 wt.% is obtained.

The present invention relates to the field of new material technologies, and discloses a flame-retardant fabric, a preparation method thereof and an application thereof. The method includes: (1) performing a first contact reaction on diethylenetriamine, vinylsilane and epoxy group-containing silane to obtain diethylenetriamine-silane; (2) performing a first dilution of the diethylenetriamine-silane in solvent I, adjusting the pH to obtain a diethylenetriamine-silane solution, immersing the fabric in the diethylenetriamine-silane to perform a first immersion to obtain a flame-retardant treated fabric I; (3) performing a second contact reaction on tetrakis(hydroxymethyl)phosphonium sulfate, urea and water to obtain a pre-polymerized tetrakis(hydroxymethyl)phosphonium sulfate flame retardant; (4) immersing the flame-retardant treated fabric I in the pre-polymerized tetrakis(hydroxymethyl)phosphonium sulfate flame retardant to perform a second immersion to obtain a flame-retardant fabric. The flame-retardant fabric prepared by the method provided by the present invention has excellent flame-retardant effect, the method is simple and efficient, and there is no need for gas to participate in the reaction, the cost is low, and it is suitable for mass production.

The present invention relates to a debondable solvent-borne pressure sensitive adhesive composition comprising a) a (meth)acrylate co-polymer formed from the monomers selected from the group consisting of ethyl (meth)acrylate, methyl acrylate, butyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, 3-epoxypropyl (meth)acrylate, 2-hydroxyethyl (meth)acrylate, hydrogenated polybutadiene(meth)acrylate, glacial acrylic acid, vinyl acetate, and mixtures thereof; b) an electrolyte selected from the group consisting of 1-butyl-3-methylimidazolium bis(trifluoromethylsolfonyl)imide, 1-ethyl-3-vinylimidazolium methanesulfonate, 1-dodecyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, tributyl(ethyl) phosphonium diethyl phosphate, trihexyltetradecylphosphonium bis(trifluoromethylsulfonyl)amide and mixtures thereof; c) a cross-linker; and d) a solvent.

The present invention provides: a novel heteropolyoxometalate having a modified lacunary site, obtained by modifying the lacunary site of a heteropoly anion having a lacunary site, using a metal ion, an ammonium cation, an ammonium dication, a phosphonium cation, or a phosphonium dication as a counter cation of the heteropoly anion; or a mixture thereof.

The present invention provides a latent accelerator capable of reducing the curing stress of epoxy resin, and its preparation method and application. The structural formula of the latent accelerator is shown as formula I below. The structure of this accelerator contains both a phosphonium silicate ion structural unit capable of promoting the curing of epoxy resin and a linear polymer structural unit capable of reducing the curing stress of epoxy resin. While acting as an accelerator for epoxy resin, it can endow epoxy resin with advantages such as good fluidity, curability and low curing stress. The present invention also provides an epoxy resin composition containing a linear polymer accelerator capped with phosphonium silicate ions. When encapsulating semiconductor devices using this epoxy resin composition, it has low curing warpage and high encapsulation reliability.

To provide ion liquid having coating characteristics of high conversion efficiency and high durability even if an FC stack of a large-sized vehicle is used in place of a perfluorosulfonic acid-based cation exchange membrane which is a coating material of a cathode electrode catalyst (catalyst Pt:102, electrode C:103).SOLUTION: Provided is an electrode catalyst coated with phosphonium type ion liquid 103 expressed by the following chemical formula 1: P+(C8H17)3R1X- . In the chemical formula 1, C8H17 is a straight-chain octyl group, R1 is a 1-18C straight chain or branched-chain alkyl group or a 1-18C alicyclic alkyl group, and X- is an anion component.SELECTED DRAWING: Figure 1

Methods for inhibiting corrosion, cleaning and / or providing biocidal efficacy in hydrogen rich environments that are in hydrogen systems or hydrogen mediums using saturated alkyl diquaternary compound containing compositions, saturated alkyl quaternary compound containing compositions, aldehyde containing compositions, and / or tetrakis(hydroxymethyl)phosphonium sulfate containing compositions are provided. The methods provide efficacious corrosion inhibition, cleaning and / or biocidal efficacy without loss of stability due to hydrogenation in hydrogen rich environments.

The application discloses a hot-melt injectable adhesive and a preparation method and application thereof, and belongs to the technical field of adhesives. The hot-melt injectable adhesive comprises a co-hot-melt product of alpha-liponic acid, N-alkyl liponic amide and tris(2-carboxyethyl) phosphonium hydrochloride or citric acid, and is specifically prepared by mixing and hot-melting alpha-liponic acid, N-alkyl liponic amide and tris(2-carboxyethyl) phosphonium hydrochloride or citric acid and then cooling and shaping. The hot-melt injectable adhesive is a temperature-responsive crystallization curing mode, the curing process does not involve material exchange with a water phase, and the use of a solvent is omitted, so that the hot-melt injectable adhesive has the advantages of green environmental protection, simple preparation, good universality, strong adhesion and convenient use and operation, and is expected to have great application potential in daily life and industrial engineering fields.

The invention discloses a flame-retardant PA66 material and a preparation method thereof.The flame-retardant PA66 material is prepared from, by weight, 80-100 parts of a modified PA66 material, 3-5 parts of modified graphene, 15-30 parts of a flame-retardant additive and 0.1-0.5 part of tetraphenylphosphorus bromide, a molecular chain of the flame-retardant additive contains an organic silicon chain segment and an organic phosphorus structure and is doped with nitrogen and boron elements, and when the material is burnt, the flame-retardant PA66 material has a flame-retardant effect, and the flame-retardant PA66 material has a flame-retardant effect. The organic phosphorus can be dehydrated to form a phosphoric acid carbon layer, the nitrogen element can release inert gas, dilute combustible gas and generate an expansive phosphorus-nitrogen carbon layer with the organic phosphorus, the boron element can improve the compactness and high-temperature stability of the carbon layer, and the organic silicon can form a cross-linked network shape, so that the continuity of the carbon layer is improved; a fluorine-containing polysiloxane chain segment of a side chain of the flame-retardant additive is embedded among molecules of the modified PA66 material, and is decomposed to generate fluorine free radicals during combustion, and active free radicals in a combustion chain reaction are quenched, so that a rapid flame-retardant effect is achieved.

The invention discloses a temporary plugging agent for fracturing and a preparation method and application thereof, and the preparation method of the temporary plugging agent for fracturing comprises the following steps: respectively taking the following raw materials in percentage by weight: an acrylamide monomer, ammonium persulfate, methylene bisacrylamide, xanthan gum powder, a cross-linking agent and tetrakis hydroxymethyl phosphonium sulfate; the preparation method comprises the following steps: mixing the raw materials in a protective gas atmosphere, reacting to obtain colloid A, and crushing the colloid A to obtain colloid A powder; the preparation method comprises the following steps: respectively weighing the following raw materials in percentage by weight: colloid A powder, melamine, glycerol, polyvinyl alcohol, an ammonium persulfate capsule gel breaker, a high-temperature additive and calcium silicate, mixing, heating and stirring the obtained mixture until the mixture is completely molten to form a mixture B, cooling the mixture B, and crushing the cooled mixture B into particles to obtain the temporary plugging agent for fracturing. The prepared temporary plugging agent for fracturing has excellent plugging pressure, is self-degradable at high temperature, is easy to flow back, and reduces damage to strata.

The invention provides a method of reducing dinitrogen to produce ammonia, the method comprising: contacting a cathode of an electrochemical cell with an electrolyte comprising: (i) a metal cation selected from the group consisting of lithium, magnesium, calcium, strontium, barium, zinc, aluminium, vanadium and combinations thereof, wherein the metal cation is present at a concentration of greater than 0.5 mol / L in the electrolyte, (ii) one or more anions comprising at least one negative ion selected from the group consisting of fluorinated sulfonyl imides, fluorinated sulfonyl methides and combinations thereof, (iii) a proton carrier; and (iv) optionally, at least one phosphonium cation, wherein the combined amount of the metal cation and the optional at least one phosphonium cation is greater than 1 mol / L in the electrolyte; supplying dinitrogen to the electrochemical cell for cathodic reduction; and applying a potential at the cathode sufficient to reduce the dinitrogen, thereby producing ammonia.

The invention relates to a cured product of organic phosphine modified unsaturated resin and a polyhalogenated compound and a preparation method of the cured product. The cured product is formed by quaternary phosphonium reaction of phosphorus-containing unsaturated resin and a polyhalogenated compound, has a cross-linked structure, and has good flame retardant property.

The invention discloses an interface passivation material, a solar cell, a photovoltaic power generation system and electric equipment, the interface passivation material comprises a first compound with a chemical formula of formula (1) and / or a second compound with a chemical formula of formula (2): # imgabs0 #, Ar is an aromatic group, Q is a functional group containing reactive hydrogen, A + is selected from an ammonium group or a phosphonium group, and B + is selected from an amino group or a phosphonium group. X <-> is selected from any one of halogen ions, halogen-like ions, oxyacid radical ions, fluoroborate radical ions and sulfimide anions. The interface passivation material can be used in a solar cell to passivate interface defects of a light absorption layer, improve carrier transport performance and improve photoelectric conversion efficiency and stability of the solar cell.

The application provides a method for synchronously separating active substances of Haematococcus pluvialis, and relates to the technical field of natural product extraction, and comprises an extraction phase with a mass ratio of 20%-50%, and the balance is water; the extraction phase is a quaternary phosphonium ionic liquid or a eutectic solvent; the quaternary phosphonium ionic liquid comprises tetrabutylphosphonium trifluoroacetate or tributyl octyl phosphonium bromide; and the eutectic solvent comprises a quaternary phosphonium ionic liquid and a fatty acid with a molar ratio of 1:1-5:3. The extraction phase has weak acidity, the ability to form van der Waals forces and hydrogen bond interactions, the Haematococcus pluvialis cell wall breaking effect and high solubility. The extraction phase can form liquid-liquid phase separation, can realize the synchronous extraction of Haematococcus pluvialis cell wall breaking, astaxanthin, carbohydrates and proteins, and has no organic solvent, is simple to operate, has short extraction time and high extraction efficiency. The method solves the technical problem that the extraction agent in the prior art cannot effectively separate multiple active substances of Haematococcus pluvialis.

The invention discloses a pyridinedicarboxylic acid coordinated catalyst, a composite catalyst, a preparation method and application. The general formula of the catalyst is # imgabs0 # B; the catalyst is calcium ions, sodium ions, magnesium ions, lithium ions, potassium ions, ammonium ions, octadecyl dimethyl benzyl ammonium ions, octadecyl trimethyl ammonium ions, dodecyl dimethyl benzyl ammonium ions, dodecyl trimethyl ammonium ions, octyl tributyl phosphonium ions, tetrabutyl phosphonium ions, hexyl tributyl phosphonium ions and tributyl ethyl phosphonium ions; the ionic liquid is a tetrabutyl phosphonium ion, a tributyl hexyl phosphonium ion, a tetramethyl ammonium ion, a tetraethylammonium ion, a tetrabutyl ammonium ion, a benzyl trimethyl ammonium ion, a benzyl triphenyl phosphonium ion or a benzyl triethylammonium ion; m is Cr, Mo, V, W, Cu, Fe, Co, Ni or Zr; r is a C1-C10 alkyl group; x is an integer between 1 and 20; and y is an integer between 1 and 40, so that the p-nitrotoluene oxidation reaction selectivity and the p-nitrotoluene conversion rate can be improved.

An electrode 1a comprises a layered material 15. The layered material 15 includes a layer 15a and phosphonium 15p. The layer 15a includes a body 15b and an end 15c. The body 15b has a composition of MmXn. The end 15c is present on the surface of the body 15b. As regards the body 15b, M is at least one selected from the group consisting of Group 3 elements, Group 4 elements, Group 5 elements, Group 6 elements, and Group 7 elements. X includes at least one selected from the group consisting of carbon atoms and nitrogen atoms.

Cationic pillar[n]arenes, e.g., positively charged poly-ammonium, poly-phosphonium and poly-imidazolium pillar[5-6]arene derivatives are capable of inhibiting or preventing biofilm formation, and facilitating existing biofilm decomposition. A composition for inhibiting or disrupting biofilm, e.g., bacterial or fungal biofilm, formation, or reducing biofilm, can include a pharmaceutically acceptable carrier, and a cationic pillar[n]ene.

The present invention is a deep eutectic liquid, which is a mixture of a hydrogen bond donor compound and a hydrogen bond acceptor compound, wherein the hydrogen bond donor compound is a compound represented by the following general formula (1) having a structure in which 2 to 100 monomers having a hydroxy group are bonded, the hydrogen bond acceptor compound is a compound containing a monomer having a quaternary ammonium cation represented by the following general formulae (2) to (6) or a quaternary phosphonium cation represented by the following general formula (7), and the deep eutectic liquid is present in a liquid state at 25° C. The present invention provides a deep eutectic liquid that has high ionic conductivity and ensures safety upon contact with living bodies, a bio-electrode composition containing the deep eutectic liquid capable of promptly acquiring signals by being applied to the skin without leaving residues on the skin, stably obtaining biological signals for a long period, and forming a living body contact layer for bio-electrodes, a bio-electrode in which a living body contact layer is formed from the bio-electrode composition, as well as a method for producing the bio-electrode.

The invention relates to an electrolyte comprising: an ionic liquid comprising: a bis(fluorosulfonyl)imidide anion, and at least one phosphonium cation of formula (PR1R2R3R4)+, wherein each group R1, R2, R3, and R4 independently represents a linear or branched alkyl group, saturated or unsaturated, comprising from 1 to 14 carbon atoms, or an alkyl-aryl group comprising from 7 to 14 carbon atoms, or an aryl group comprising from 6 to 10 carbon atoms, the groups R1, R2, R3, and R4 optionally comprising one or more heteroatoms; and a lithium bis(fluorosulfonyl)imidide salt; wherein the sulfamate ion content is from 0.1 to 3000 ppm by weight. No figure.

A polyimide, comprising 1-100 mol % of repeating units of formula (1), based on 100 mol % of total repeating units of the polyimide, wherein each V is as defined herein; and each R1 is independently a divalent group of formula (3), wherein A is anionic, and each A is independently —O, —S, —S(O)2, —S(O)2O, —OS(O)2O, —OP(O) (OR)dO, —P(O)(Re)O, —P(O)(ORf)O, or —OP(O)(Rg)O; and X is cationic, and each X is independently Li, Na, K, Cs, Mg, Ca, Sr, Cr, Mn, Fe, Co, Ni, Cu, Ag, Zn, Cd, B, Al, Ga, In, Ge, Sn, Pb, As, Sb, phosphonium, imidazolium, guanidinium, or pyridinium; and Rd, Re, Rf, and Rg are each independently hydrogen, substituted or unsubstituted C1-8 alkyl, or substituted or unsubstituted C6-12 aryl.

The present invention provides a fluoropolymer, which is a fluoropolymer of a monomer (I) represented by the general formula (I). Among them, based on all the polymer units constituting the above fluoropolymer, the content of the polymer unit (I) based on the monomer (I) is 40 mol% or more, and the weight-average molecular weight (Mw) is 1.4×10 4 or more. General formula (I): CX2=CX‑O‑Rf‑A (wherein, X is independently F or CF3, and Rf is a fluoroalkylene group having 1 to 40 carbon atoms, or a fluoroalkylene group having 2 to 100 carbon atoms and having an ether bond or a ketone group. A is -COOM, -SO3M, -OSO3M or -C(CF3)2OM (M is -H, a metal atom, -NR 7 4, an imidazolium with or without substituents, a pyridinium with or without substituents, or a phosphonium with or without substituents, and R 7 is H or an organic group).).

The invention provides a zero-dimensional manganese-based quaternary phosphonium cation organic-inorganic hybrid metal halide as well as a preparation method and application thereof, and belongs to the technical field of material science and photoelectricity. The preparation method comprises the following steps: grinding and uniformly mixing quaternary phosphonium ionic liquid, hydrated halogenated manganese salt and oxalic acid dihydrate to obtain a mixed material; and transferring the mixed material into a high-temperature reaction kettle, carrying out high-temperature reaction, cooling to room temperature, adding ethanol into the high-temperature reaction kettle, heating, recrystallizing, and cooling to obtain the zero-dimensional manganese-based quaternary phosphonium cation organic-inorganic hybrid metal halide. According to the method, the defect that a traditional solvent volatilization method, a solvothermal method, a solvent diffusion method and the like highly depend on strong haloid acid and an organic solvent is overcome, and the technical problem of green controllable synthesis of the 0D Mn-OIMHs crystal is solved by adopting a green and environment-friendly ionothermal synthesis method.

This invention provides a class of organophosphorus compounds based on phosphane structural units and their preparation methods, namely phosphane phosphonium oxides represented by formula (II) and phosphane phosphonium hydrogens represented by formula (III). These organophosphorus compounds are widely used in the manufacture of optoelectronic devices. Their synthesis method avoids the use of highly polluting chlorine gas and the subsequent emissions problems caused by traditional phosphorus chemical production, making it an extremely environmentally friendly production method. Furthermore, the method disclosed in this invention features mild reaction conditions, short reaction time, simple post-processing, and high yield.

The invention relates to the technical field of granulation oil, and particularly discloses high-performance granulation oil, a preparation method thereof and a method for producing rubber vulcanization accelerator particles. The invention relates to a preparation method of high-performance granulated oil. The preparation method comprises the following steps: 1) uniformly mixing polyvinyl alcohol, an emulsifier, a defoaming agent and water to prepare a base solution; 2) dissolving polyethylene glycol and a cyclodextrin derivative in a solvent, then adding diisocyanate to carry out a first-stage reaction, then adding polyaldehyde to carry out a second-stage reaction, and washing and drying after the reaction is completely finished to obtain a component A; and 3) uniformly mixing sodium tetraborate, polysaccharide and quaternary phosphonium alkali, adjusting the pH value to alkalescence, adding the rubber vulcanization accelerator micro powder, continuously uniformly mixing to obtain a component B, and mixing the base solution, the component A and the component B to obtain the product. The high-performance granulation oil prepared in the invention is used for producing rubber vulcanization accelerator particles, and has the advantages of good granulation effect, uniform particle size distribution and difficult powder falling.

A method for removing a fluorine-containing compound from discharge water, which includes bringing discharge water containing two or more fluorine-containing compounds represented by the following general formula (1) or (2) into contact with an adsorbent so as to adsorb the two or more fluorine-containing compounds:(H—(CF2)m—COO)pM1  General Formula (1):wherein m is 3 to 19, M1 is H, a metal atom, NRb4, where Rb is the same or different and is H or an organic group having 1 to 10 carbon atoms, imidazolium optionally having a substituent, pyridinium optionally having a substituent, or phosphonium optionally having a substituent; and p is 1 or 2;(H—(CF2)n—SO3)qM2  General Formula (2):wherein n is 4 to 20; M2 is H, a metal atom, NRb4, where Rb is the same as above, imidazolium optionally having a substituent, pyridinium optionally having a substituent, or phosphonium optionally having a substituent; and q is 1 or 2.