526 results about "Phosphonate" patented technology

The application provides a process method for preparing (2-(3,6-dimethoxy-9H-carbazol-9-yl)ethyl) phosphonic acid, and particularly relates to the technical field of organic synthesis. The process method is that, under alkaline conditions, a halogenated phosphonate compound is added into a 3,6-dimethoxy-9H-carbazole solution to perform a reaction, hydrochloric acid aqueous solution is added after the reaction to perform acidolysis degreasing, and finally (2-(3,6-dimethoxy-9H-carbazol-9-yl)ethyl) phosphonic acid is obtained through extraction, reflux adsorption and beating purification. The process method uses 3,6-dimethoxy-9H-carbazole as a starting material, realizes the synthesis of the target product through one-pot reaction, has mild reaction conditions, uses non-toxic raw materials which are easy to obtain, has simple synthesis process, is convenient to operate, and has high separation yield.

The invention belongs to the technical field of polyether polyol, and particularly relates to flame-retardant polyether polyol with a low heat conductivity coefficient as well as a preparation method and application of the flame-retardant polyether polyol. The flame-retardant polyether polyol with the low heat conductivity coefficient is obtained by polymerizing bis (2-hydroxyethyl) aminomethyl diethyl phosphonate, halogen-containing aniline and small molecular alcohol / alcohol amine as a ternary mixed initiator with alkylene oxide under the action of a catalyst, the ternary mixed initiator comprises the following components in percentage by mass: 12.15 to 22.78 percent of bis (2-hydroxyethyl) amino methyl diethyl phosphonate, 43.21 to 63.89 percent of halogen-containing aniline, and 23.96 to 34.01 percent of small molecular alcohol / alcohol amine. The polyether polyol realizes comprehensive properties of lasting flame retardance, high strength and low heat conductivity. The invention also provides a preparation method of the polyether polyol and application of the polyether polyol in rigid polyurethane foam.

The invention relates to the field of fire-resistant oil, in particular to phosphate-based fire-resistant oil with synergistically optimized flame resistance and stability and a preparation method of the phosphate-based fire-resistant oil. The fire-resistant oil comprises base oil and an additive, the base oil is a mixture obtained by esterification of mixed alkylphenol and phosphorus oxychloride; the molar percentage of the mixed alkylphenol is as follows: 4-6% of phenol; 11 to 14 percent of p-methylphenol; 22 to 26 percent of 2, 5-position dimethyl phenol; 0.8 to 1.5 percent of 2, 4-position dimethyl phenol; 2.5 to 4 percent of 2, 3-position dimethyl phenol; 0.4 to 0.6 percent of 4-ethyl phenol; 40 to 48 percent of 3, 5-position dimethyl phenol; 8 to 11% of 3-ethyl phenol; 3 to 5 percent of 3, 4-position dimethyl phenol; the additives comprise an antioxidant, a corrosion inhibitor, an anti-foaming agent and an anti-hydrolysis agent; the addition amount of the antioxidant is 0.05-5% of the total mass of the base oil; the addition amount of the corrosion inhibitor is 0.001%-0.08% of the total mass of the base oil; the addition amount of the anti-foaming agent is 0.001%-0.009% of the total mass of the base oil; the addition amount of the anti-hydrolysis agent is 0.001%-0.005% of the total mass of the base oil. The fire-resistant oil provided by the invention can be safely used under the working conditions of high temperature and extreme pressure.

The invention discloses a chiral alpha alkyl beta hydroxyl phosphate compound as well as a preparation method and application thereof, and belongs to the technical field of chemical synthesis. In the presence of a catalyst, carbonyl of a substrate is reduced into hydroxyl to obtain a chiral alcohol compound, alpha-alkyl beta-ketophosphonate is reduced by an asymmetric catalytic hydrogen transfer method, and a reduced product can be used as a core skeleton of various drug molecules, so that the chiral alcohol compound is prepared. The compound has an obvious promotion effect on migration and repair of keratinocytes, and has great application potential in the aspects of wound healing, skin tissue soothing, repair, aging resistance and the like.

The invention relates to the technical field of chemical synthesis, and particularly discloses an alpha methyl beta phosphonate compound and a synthesis method thereof.The alpha methyl beta phosphonate compound is obtained by directly oxidizing the alpha position of aryl ketone into carbon positive and combining the carbon positive with diethyl phosphite anions under the alkaline condition by using hydrogen peroxide and iodine as oxidizing agents. The alpha methyl substituted beta phosphate ester compound can be generated by a one-step method. The method is suitable for synthesizing compounds of phosphoric acid (methyl, ethyl, propyl and the like) with different alkyl substitutes (methyl, ethyl, propyl and the like) at carbonyl alpha positions. According to the method, the alpha-methyl substituted beta phosphate compound can be synthesized only by using commercial cheap and easily available aryl ketone as a raw material, using hydrogen peroxide and iodine as oxidants and using diethyl hypophosphite as a phosphine source, and reacting in the DMSO solvent at 100 DEG C for 12 hours, so that the target product can be obtained, and the yield is excellent. Compared with previously reported methods, the method does not need low-temperature operation, is simple to operate, adopts a one-pot method, does not need a metal catalyst, and all raw materials are common bulk chemicals.

The invention discloses a corrosion and scale inhibitor suitable for high-salinity water quality and a preparation method and application thereof.The corrosion and scale inhibitor comprises nano SiO2 at NH2, organic phosphonate, zinc salt, polycarboxylic acid and nano SiO2, a corrosion inhibition component is composed of the nano SiO2 at NH2, the organic phosphonate and the zinc salt according to the mass ratio of (0.8-1.2): 0.5: (0.3-0.4), a scale inhibition component is composed of the polycarboxylic acid and the nano SiO2 according to the total solid content mass ratio of 3: 1, and the scale inhibition component is composed of the nano SiO2 at NH2, the organic phosphonate and the zinc salt. The polycarboxylic acid grafting rate in the scale inhibition component is greater than or equal to 80%, and the corrosion inhibition component and the scale inhibition component are compounded according to the ratio of 1: 1 to prepare a finished product agent; the preparation method comprises the following steps: preparing the corrosion inhibition component, adjusting the pH value to 3-4, preparing the scale inhibition component, and compounding the corrosion inhibition component and the scale inhibition component to prepare the finished product agent. According to the invention, nano SiO2 and NH2 are added to prepare a corrosion inhibition component, nano SiO2 is added to prepare a scale inhibition component, and the components are strictly mixed step by step, so that the components form a chemical and physical multi-synergistic corrosion and scale inhibition effect, and the finished agent has the characteristics of corrosion inhibition rate, CaCO3 resistance rate higher than 95%, MgSiO3 resistance rate higher than 80%, high-salt environment tolerance, high high-temperature stability, low biotoxicity and the like.

The invention discloses a carbazole phosphonate-thiophene copolymer as well as a preparation method and application thereof. The structural formula of the carbazole phosphonate-thiophene copolymer is shown as a formula (I), according to the invention, the carbazole phosphonate compound and the thiophene compound are copolymerized, and the obtained copolymer is used for preparing the hole transport layer of the perovskite solar cell, so that the perovskite solar cell has relatively high photoelectric conversion efficiency, and the relatively high photoelectric conversion efficiency can be kept in a humid and hot environment.

The invention discloses a rare earth doped humic acid-based retarder, a preparation method and application thereof in grouting materials, and belongs to the technical field of inorganic non-metal building materials. The invention discloses a rare earth doped humic acid-based retarder, which is prepared from the following raw materials in parts by weight: 35 to 50 parts of rare earth modified humic acid, 10 to 15 parts of amphiphilic phosphonate dispersing agent, 5 to 8 parts of magnesium phosphate corrosion inhibition reinforcing agent, 8 to 12 parts of nano silicon dioxide and 3 to 5 parts of function regulator. The loading capacity of rare earth oxide in the rare earth modified humic acid is 8-12wt%. The retarder provided by the invention realizes effective retarding through an innovative hydration inhibition mechanism, and has significant advantages in temperature response characteristics, hydrolysis resistance and diversified regulation performance. The effects are synergistic, so that the grouting agent is particularly suitable for grouting construction under severe conditions such as high temperature and the like, and a more stable, reliable and flexible solution is provided for engineering.

The invention relates to the field of polyurethane, and discloses a preparation method of a linear reaction type phosphorus-nitrogen-silicon synergistic flame-retardant solvent-free polyurethane coating, which comprises the following steps: S1, carrying out exchange reaction on phosphonate and alcohol amine ester to obtain a phosphorus-nitrogen polyol intermediate; s2, carrying out condensation polymerization on the phosphorus-nitrogen polyol intermediate and chlorosilane to obtain phosphorus-nitrogen-silicon polyol; s3, mixing polyester / polyether polyol, a chain extender and an amine / metal catalyst to obtain a component A; mixing and reacting isocyanate, part of polyester / polyether polyol and phosphorus-nitrogen-silicon polyol to obtain a component B; mixing the component A and the component B, spraying the mixture on release paper, and curing. Through a synergistic flame-retardant mechanism of phosphorus, nitrogen and silicon, the balance of efficient flame retardance, mechanical properties and excellent coating properties is realized. The solvent-free system realizes zero emission of volatile organic compounds, and the linear reaction type design ensures that the mechanical properties and durability of the coating are not influenced.

The invention discloses a synthesis method of allyl phosphonic acid diester. According to the method, phosphorous acid diester and an allyl chloride compound are used as raw materials and react in the presence of a specific transition metal catalyst and alkali under the conditions of normal pressure and 45-60 DEG C to obtain the allyl phosphonic acid diester. The method has the advantages of mild reaction conditions, simple operation, high product yield (90-99%), no by-product, no generation of halogenated alkane gas and easy industrial production, and is suitable for the fields of polymer flame retardants, electronic materials, pesticide and medicine intermediates and the like.

The invention relates to a process for preparing a phosphor copper rod by using a phosphonate-amide composite purifying agent as a quenching aid, and belongs to the technical field of non-ferrous metallurgy. Phosphorus pentoxide and sodium carbonate are mixed and decocted into fused salt, the fused salt is cooled and ground and then added into a corundum crucible together with scrap copper to be rapidly heated, compressed air is blown in, and slagging-off is conducted after heat preservation and standing; blowing mixed gas into the melt for reduction refining; adding calcium boride into the melt for refining; the refined copper liquid is subjected to continuous casting and continuous rolling; rapidly immersing the phosphorus copper rod subjected to continuous casting and rolling into a quenching aid solution, and carrying out quenching treatment; and the quenched phosphor copper rod is blow-dried and dried, and the high-conductivity phosphor copper rod is obtained. The high-purity phosphorus copper rod prepared by the method is excellent in key indexes of copper content, phosphorus content and conductivity, and meets the expected requirements of high purity and high conductivity.

The invention relates to the technical field of radionuclide separation, in particular to an Eu (III) / An (III) separation method based on a zirconium phosphonate-based metal organic framework adsorbent, which comprises the following steps: adding the zirconium phosphonate-based metal organic framework adsorbent into an Eu (III) and / or An (III) nuclide-containing aqueous solution with the acid concentration of 0.001-3M to carry out adsorption reaction, and then carrying out solid-liquid separation, wherein the zirconium phosphonate-based metal organic framework adsorbent is a zirconium phosphonate-based metal organic framework material exchanged by metal cations M; the metal cation M is selected from one of alkali metal ions, alkaline earth metal ions or divalent transition metal ions. According to the invention, the interlayer chemical properties of the material are regulated and controlled through ion exchange, so that the adsorbent has ultrahigh selectivity, rapid adsorption kinetics, high adsorption capacity and excellent structural stability on trivalent actinide / simulated nuclides in extremely high-acid, high-salt and intense-radiation environments; the key problems of low separation efficiency and poor stability in a high-acid complex system in the prior art are solved, and the method is suitable for treating high-level liquid waste.

The invention discloses a graphene-based high-strength heat-conducting film and a preparation method thereof, belongs to the technical field of heat-conducting film preparation, and aims to solve the technical problem that the strength and corrosion resistance of a heat-conducting film in the prior art need to be further improved. Graphene-aromatic phosphonate heat-conducting resin, maleic anhydride grafted fluorinated polyether-ether-ketone and fluorinated siloxane elastomer are jointly applied to membrane material preparation, so that the material forms a system with a continuous structure in the aspects of heat-conducting framework construction, interface connection and deformation slow release, the graphene-aromatic phosphonate heat-conducting resin provides a high-efficiency heat-conducting path, the maleic anhydride grafted fluorinated polyether-ether-ketone realizes stable interface bonding, and the fluorinated siloxane elastomer endows the membrane material with a structure retention capability under an external force and a medium environment. The obtained high-strength heat-conducting film has relatively high heat conductivity coefficient, strength and quality stability in an acid-base environment, and shows excellent comprehensive performance.

The invention discloses a modified polyester fiber as well as a preparation method and application thereof, and relates to the field of fibers. When the modified polyester fiber is prepared, nano shell powder sequentially reacts with 3-aminopropyltrimethoxysilane, 4-fluoro-2-hydroxybenzaldehyde and 1-(4-hydroxyphenyl) biguanide hydrochloride, and functionalized shell powder is prepared; the preparation method comprises the following steps: reacting diethyl (aminomethyl) phosphonate, formaldehyde and glyoxal to prepare imidazolium salt phosphoric acid; and mixing the functionalized shell powder and polyester, spinning, carrying out surface alkali treatment, and finally carrying out surface finishing by using imidazolium salt phosphoric acid to obtain the modified polyester fiber. The modified polyester fiber prepared by the invention has excellent flame retardance, antibacterial property and light aging resistance.

The present invention relates to a composition comprising components (A) and (B) as active ingredients, wherein component (A) comprises a Streptomyces and component (B) is a compound selected from the group consisting of sulphur, phosphonate, copper hydroxide, copper oxychloride, bicarbonate, Bacillus sp, Trichoderma sp, aureobasidin A, jawsamycin, kasugamycin, natamycin, a polysaccharide elicitor, a plant biostimulant (PBS) comprising an algal extract, a plant extract and / or vinasse, orange oil, and / or tea tree oil. The invention further relates to a method of controlling or preventing phytopathogenic diseases, preferably phytopathogenic fungi, on a plant or on plant propagation material and / or on harvested food crops, which comprises applying to the plant, on plant propagation material, the locus thereof, and / or on harvested food crops the composition according to the present invention.

The invention discloses an electrolyte taking phosphonate as an organic additive and an aqueous zinc ion battery, and belongs to the field of batteries. The invention relates to an electrolyte taking phosphonate ester as an organic additive, the electrolyte comprises the organic additive, and the organic additive comprises a phosphonate ester substance; the phosphonate substance is selected from at least one of triethyl 3-phosphonyl propionate, triethyl 4-phosphonyl butyrate, phosphonyl acetic acid and 2-phosphonyl propionic acid. The 1, 3-triethyl phosphonyl propionate (EP) is used as an interface structure modified AZIBs additive to protect a zinc negative electrode material, inhibit side reaction of a zinc negative electrode interface and induce uniform deposition of zinc dendrites, so that the cycling stability of the zinc ion battery is improved. Compared with a bare electrolyte, the cycle index of the Zn / / Na2V6O16 total battery added with the EP is increased from 200 circles to 1100 circles, and the capacity retention ratio is increased from 71% to 90.95%.

The invention discloses a novel phosphorus-containing macromolecular flame retardant and a preparation method and application thereof, the flame retardant is a polymer with a general formula (I), the main chain of the flame retardant is composed of an olefin-containing phosphonate structural unit, and the side chain R2 is a phosphonate group or a phosphonate metal salt group. The preparation method comprises the following steps: firstly, carrying out reaction on trialkyl phosphite and halogenated olefin containing active groups to efficiently prepare a functional monomer containing polymerizable double bonds and phosphonate side chains; then carrying out free radical polymerization to obtain a macromolecular polymer; the phosphonate can be further partially or completely hydrolyzed and complexed with multivalent metal ions to form the flame retardant with an ionic cross-linked structure. The macromolecular flame retardant is high in phosphorus content, good in thermal stability and excellent in compatibility with a polymer matrix, can play a flame-retardant role in a condensed phase and a gas phase at the same time, and effectively overcomes the problems that a micromolecular flame retardant is easy to migrate and poor in durability, and the mechanical property of a matrix material is reduced. The preparation method is efficient, controllable and suitable for continuous production.

The invention relates to the technical field of scale inhibitors, in particular to a slow-release micro-nano reverse osmosis scale inhibitor and a synthesis process thereof. The corrosion inhibitor comprises amino trimethylene phosphonic acid, polyol phosphonate, acrylic polyol, a poly gamma-glutamic acid-polyethyleneimine grafted copolymer, 1-hydroxyethylidene-1, 1-diphosphonic acid, polyacrylamide and diatomite. A plurality of raw materials are compounded, diatomite is used as a slow-release carrier, a poly-gamma-glutamic acid-polyethyleneimine grafted copolymer is utilized to realize slow release of a medicament, and a bioactive group is grafted on the surface of amino trimethylene phosphonic acid through microbial induced synthesis, so that the bioactivity of the medicament is improved. The problem that in the prior art, a nano-loaded agent is prone to agglomeration under the high pH condition is solved, the binding site and acting force of amino trimethylene phosphonic acid and other components are increased, the adhesiveness of the scale inhibitor to the membrane surface is improved, the long-acting scale inhibition effect under complex water quality is enhanced, and the scale inhibitor has a good application prospect. Therefore, the application efficiency of the reverse osmosis scale inhibitor in actual complex water quality is improved.

The present invention discloses an aryl phosphonate compound and a preparation method thereof. In the present invention, under the protection of an inert gas, a phosphorus reagent, an R-OH reagent or a diphenol reagent is used as a starting material, trifluoromethanesulfonic anhydride, dimethyl sulfoxide and TBAB (tetrabutylammonium bromide) are added simultaneously in an organic solvent, and the phosphorus reagent, R-OH reagent or diphenol reagent, trifluoromethanesulfonic anhydride, dimethyl sulfoxide and TBAB are reacted at a reaction temperature of 80-120°C. o C for 9 to 15 hours, then the solvent is removed by rotary evaporation and the aryl phosphonate compound is obtained by column chromatography. The starting materials involved in the preparation method of the present invention are stable and readily available, the reaction is easy to operate, and the substrate compatibility is good. This method can synthesize a variety of aryl phosphonate compounds in a one-pot step.

The invention provides a diesel oil anti-wear agent and a preparation process thereof, and belongs to the technical field of diesel oil additives, and the preparation process comprises the following steps: mixing and stirring diisooctyl maleate and xylene, adding diethylenetriamine and deionized water, carrying out heating reaction, adding toluene, 4-(aminomethyl) pyridine and ethylene oxide, carrying out mixing reaction, filtering, washing, and drying to obtain the diesel oil anti-wear agent. The pyridinium-based polyester hollow capsule is prepared; the preparation method comprises the following steps: mixing xylene, catechol, ethylene phosphonic acid, ammonium persulfate and deionized water, heating, dispersing in cyclohexane, adding polyvinyl alcohol, octadecyl methacrylate and azodiisobutyronitrile, mixing and reacting to obtain catechol phosphonate nano colloidal particles; mixing and stirring the fatty acid ester solution, the oleoyl fluorocarbon copolymer and the pyridinium-based polyester hollow capsule, adding the catechol phosphonate nano colloidal particles, continuously stirring, performing ultrasonic treatment, and degassing to obtain the diesel oil anti-wear agent. The diesel oil antiwear agent can improve the antiwear property and demulsibility of the diesel oil antiwear agent.

The invention relates to the technical field of lithium-ion solid-state batteries, in particular to a three-dimensional polymer modified intermediate layer for a lithium-ion solid-state battery and a preparation method of the three-dimensional polymer modified intermediate layer, and the preparation method comprises the following steps: adding polyacrylonitrile into N, N-dimethylformamide, and stirring until the polyacrylonitrile is completely dissolved; and then adding the modified polyamide acid-phosphonate copolymer, continuously stirring to obtain an electrostatic spinning precursor solution, and carrying out electrostatic spinning on the electrostatic spinning precursor solution to obtain the composite nanofiber membrane. According to the invention, the indium-containing heterocyclic modified diamine is used as a core monomer of the polyamide acid-phosphonate copolymer, the lithium deposition nucleation overpotential can be reduced by the excellent lithium-loving activity of the indium-containing heterocyclic modified diamine, the lithium is enabled to be compact and free of dendritic crystal deposition, and the indium-containing heterocyclic group is uniformly dispersed in a three-dimensional framework through a cross-linked network of the modified polyamide acid-phosphonate copolymer, so that the performance of the polymer is improved. The contact interface of the intermediate layer and the lithium metal forms a global uniform lithium-loving site, and concentrated deposition of lithium atoms caused by local lithium-loving activity difference is avoided.

The invention relates to the technical field of all-vanadium redox flow battery electrolyte additives, and discloses a Prussian-blue-like additive for a vanadium electrolyte as well as a preparation method and application of the Prussian-blue-like additive. Comprising the following steps: dissolving a first metal source, a second metal source and a structure stabilizer in an acid solution, and carrying out uniform dispersion treatment to obtain a uniform dispersion liquid I; dissolving ferrous cyanide salt and organic phosphonate in deionized water, and carrying out uniform dispersion treatment to obtain a uniform dispersion liquid II; performing continuous ultrasonic treatment on the uniform dispersion liquid II, and dropwise adding the uniform dispersion liquid I into the uniform dispersion liquid II to obtain a prussian blue-like precursor liquid; and carrying out heat treatment on the Prussian blue-like precursor solution to obtain the Prussian blue-like additive for the vanadium electrolyte. And the material can be used as an all-vanadium redox flow battery electrolyte additive to effectively improve the discharge capacity and the capacity retention ratio of the battery.

This invention relates to drug conjugates useful for localized treatment of diseases or disorders of the middle ear and / or inner ear. Methods of treating diseases or disorders of the middle ear and / or inner ear, pharmaceutical compositions comprising the conjugates, and methods of inhibiting a Tropomyosin receptor kinase are also provided.

This invention discloses a method for synthesizing dialkylphosphinates, belonging to the field of organic synthesis technology. The method uses hypophosphite and haloalkanes as starting materials. First, a hypophosphite is generated through a heated and pressurized reaction under the action of a phase transfer catalyst. The obtained hypophosphite does not require complex purification; it is directly reacted with an olefin under heated and pressurized conditions in the presence of a free radical initiator to obtain the target product, dialkylphosphinate. The method of this invention uses inexpensive and readily available raw materials, has a simple process route, includes only two core reactions, operates under mild conditions, is safe and convenient, produces few and easily treatable byproducts, has a high product yield, and is simple to purify. It is very suitable for large-scale industrial production, providing an economical and efficient synthetic route for the preparation of high-performance halogen-free flame retardants.

A glass fiber-reinforced thermoplastic polymer composition comprising a sheathed continuous multifilament strand comprising a core that extends in the longitudinal direction and a polymer sheath which intimately surrounds said core, wherein the core comprises an impregnated continuous multifilament strand comprising at least one continuous glass multifilament strand, wherein the at least one continuous glass multifilament strand is impregnated with an impregnating agent, wherein the polymer sheath consists of a thermoplastic polymer composition comprising a thermoplastic polymer, wherein the impregnating agent comprises at least one of an aromatic phosphate ester, polyphosphonate, poly(phosphonate-co-carbonate).

The invention belongs to the technical field of water treatment and resource recovery, and particularly relates to a device for removing organic phosphorus and recovering phosphorus in wastewater. Wastewater containing organic phosphonate is pumped from a water inlet in the bottom of an electrolytic reaction column by a liquid supply mechanism, and when flowing through an anode, under the action of current, the organic phosphonate is removed from the water inlet in the bottom of the electrolytic reaction column; active chlorine generated by the anode efficiently degrades organic phosphine into phosphate radicals; by controlling a second water pump at a first water outlet above the anode, partial acidic wastewater is discharged in a split-flow manner, so that upwelling of hydrogen ions generated by the anode is reduced, and a stable high-pH environment is maintained in a cathode region; the phosphate radical generated by the anode rises to the cathode area along with the water flow and is combined with calcium ions in the wastewater under the alkaline condition to generate hydroxyapatite precipitate; and finally, effluent containing precipitates enters a filtering and crystallizing column, so that interception and recovery of phosphorus are realized. According to the invention, efficient degradation of organic phosphine and efficient phosphorus resource recovery are realized, an additional oxidant is not needed, and the operation is stable.

A prostate-specific membrane antigen (PSMA)-targeting conjugate having a phosphonate backbone, which is used for tumor detection after chelation of a diagnostic nuclide and is used for radiation therapy after being combined with a treatment-type nuclide. A conjugate nuclide chelation part is replaced with a fluorescent probe or a cytotoxic drug so that the PSMA-targeting conjugate can then be used for diagnosis and treatment of diseases.

The invention relates to a liquid detergent containing, based on the total weight thereof, a) 22 to 50 wt.% anionic surfactant; b) 0.1 to 8 wt.% gluconic acid salt; c) 0 to 2 wt.% antioxidant; d) 5 to 25 wt.% organic solvent; e) 0.1 to 15 wt.% water; f) less than 0.1 wt.% organic phosphonate, and g) 0.01 to 5 wt.% perfume composition.

The application discloses a Low-alpha silicon powder / benzocyclobutene chip packaging composite material, which comprises 55-60wt% of phosphonate-benzocyclobutene resin matrix, 35-40wt% of filler system and 3-5wt% of bismaleimide synergistic additive; the phosphonate-benzocyclobutene resin matrix is obtained through ring-opening metathesis polymerization of norbornene phosphonate imidazole monomer and co-curing of benzocyclobutene monomer; the filler system contains epoxy silane modified double-particle-size Low-alpha silicon powder and aluminum hypophosphite modified nano Mg(OH)2; the alpha emissivity of the epoxy silane modified double-particle-size Low-alpha silicon powder is <0.001 cph / (cm 2 ·h), U≤0.1ppm, Th≤0.2ppm. The dielectric constant of the obtained chip packaging composite material is ≤2.45@77GHz, the dielectric loss is <0.0016, and the interfacial bonding strength is ≥7.2MPa, so that the chip packaging composite material is suitable for vehicle 77GHz millimeter wave radar packaging and meets the requirements of high frequency, radiation resistance and high reliability.

Provided is an ink-repellent member including an underlying portion containing an inorganic oxide, the ink-repellent member having a fluorine compound bonded to a surface of the underlying portion, wherein the fluorine compound has a chain structure, and is bonded to the surface by forming a phosphonic acid ester structure at each of both ends thereof.