31 results about "Phosphonic acid derivatives" patented technology

To provide a stainproof member capable of exhibiting both low protein adsorption performance and service durability.SOLUTION: Provided is a stainproof member with a membrane disposed on a substrate. The membrane has a condensate of a hydrolysate of a silane coupling agent or a condensate of a phosphonic acid derivative. The membrane has no halogen atoms, and in water at pH=7, a zeta potential of the membrane is -10.0 mV or more and 10.0 mV or less. When an amount of C atoms (atomic%) / an amount of atoms of an element X that is most abundant on the surface of the substrate (atomic%) is defined as A in an X-ray photoelectron spectroscopy analysis (ESCA measurement) on the substrate, and an amount of C atoms (atomic%) / an amount of atoms of the element X (atomic%) is defined as B in the X-ray photoelectron spectroscopy analysis (ESCA measurement) on the membrane of the substrate is defined as B, the value of B / A is 2.0 or more and 5.0 or less.SELECTED DRAWING: None

This quantum dot body comprises a quantum dot that emits fluorescent light by the action of excitation light. The quantum dot body is characterized in that the quantum dot comprises a semiconductor nanoparticle core and a semiconductor nanoparticle shell that coats the semiconductor nanoparticle core, the surface of the quantum dot is coated with a metal oxide, and the surface of the metal oxide is modified with a phosphonic acid derivative. The quantum dot body is also characterized by having a polymer coating layer on the outermost surface thereof, wherein the polymer coating layer is formed by bonding a reactive substituent in the phosphonic acid derivative to a reactive substituent in a polymer. As a result, there are provided: a quantum dot body which is further improved in stability while maintaining the fluorescence emission characteristics of a quantum dot, and is also further improved in compatibility with a highly polar solvent or a photosensitive resin composition; a quantum dot composition in which the quantum dot body is dispersed in a resin material; a wavelength conversion material obtained by curing the quantum dot composition; and a method for producing the wavelength conversion material.

Compositions and products formed thereof are based on glass fiber-reinforced polyamide admixed with at least one secondary aromatic amine, at least one phosphinic acid derivative and bis(2,4-di-t-butylphenyl)pentaerythritol diphosphate in amounts to improve ageing behavior in the form of improved preservation of the elongation at break and impact toughness, improved color preservation or improved color stability, and simultaneously improved UV stability after thermal ageing by comparison with products based on glass fiber-reinforced polyamide with such a mixture.

The present invention relates to pharmaceutical preparations containing as active ingredients 3-N-formylhydroxylaminopropylphosphonic acid derivatives or 3-N-acetylhydroxylaminopropylphosphonic acid derivatives in combination with clindamycin and artesunate for the treatment of malaria, in particular for the acute therapy of cerebral malaria, and to an associated dosage, in particular for the patient group of children.

Provided is an antifouling member that can achieve both low protein adsorptivity and durability. The antifouling member has a membrane formed on a base material. The membrane contains a condensate of a hydrolysate of a silane coupling agent or a condensate of a phosphonic acid derivative. The membrane does not contain a halogen atom. The membrane has a zeta potential of −10.0 mV to 10.0 mV in water. The antifouling member has a value of B / A of 2.0 to 5.0, where A represents a ratio of an amount of C atom to an amount of atom of an element X contained in a surface of the base material in a largest amount in XPS analysis of the base material, and B represents a ratio of an amount of C atom to an amount of atom of the element X in XPS analysis of the membrane on the base material.

The application discloses a tetralophane phosphonic acid derivative, a preparation method and application thereof in a perovskite-based solar cell, and belongs to the technical field of optoelectronic materials and devices. The tetralophane phosphonic acid derivative is synthesized through a 3-4 step reaction of a tetralophane monomer, and has the advantages of high hole mobility, good thermal stability, simple synthesis steps, mild synthesis conditions and the like. The tetralophane phosphonic acid derivative can be applied to a perovskite-based solar cell as a high-efficiency and stable self-assembled hole selection material. The perovskite-based solar cell prepared by using the tetralophane phosphonic acid derivative as a self-assembled hole selection material has a photoelectric conversion efficiency of more than 21%, and compared with a traditional material 2PACZ, the tetralophane phosphonic acid derivative promotes charge transport, reduces the overall series resistance of the device, and improves the photoelectric conversion efficiency of the perovskite-based device.

The invention discloses a bisphosphonate radiomarker, and a precursor compound, a preparation method and application thereof, and belongs to the technical field of nuclear medicine. The structure of the precursor compound of the radioactive marker or the salt of the precursor compound is shown as a formula I; the structure of the radioactive marker or the salt thereof is shown as a formula II. The invention also discloses a preparation method of the precursor compound and the radioactive marker. The invention also discloses application of the precursor compound and the radioactive marker in preparation of a bone metastatic tumor targeted tumor imaging agent or / and a tumor therapeutic agent. The radioactive marker disclosed by the invention is relatively high in water solubility, relatively good in-vitro stability at room temperature and high in plasma protein binding rate, relatively high and relatively long-lasting skeleton uptake is shown in imaging and in-vivo distribution in mice, the imaging effect is superior to that of 99mTc-MDP, 68Ga-DOTA-ibandronic acid and 68Ga-labeled dithiophosphoric acid derivatives, and the radioactive marker has a wide application prospect. The compound is an excellent bone developer and a medicine for treating tumor bone metastasis.

The application discloses a micron thorn ball-shaped soil leaching material and a preparation method and application thereof, and belongs to the field of new materials. The heavy metal contaminated soil leaching material is composed of a composite inorganic nanocrystal core of iron oxide and trimanganese tetroxide, an organic cross-linking network framework of sodium alginate and polyaspartic acid, and an amino tris methylene phosphonic acid derivative phosphate. The heavy metal contaminated soil leaching material has the advantages of large specific surface area, environmental friendliness, simple preparation process, and effective reduction of the heavy metal content in soil, and can be widely applied to the field of soil heavy metal leaching.

The present invention is a quantum dot body including a quantum dot that emits fluorescence by excitation light, the quantum dot body being characterized in that the quantum dot is composed of a core of a semiconductor nanoparticle and a shell of a semiconductor nanoparticle covering the core of the semiconductor nanoparticle, the surface of the quantum dot being coated with a metal oxide, the surface of the metal oxide is modified by a phosphonic acid derivative, and the outermost surface of the metal oxide is provided with a polymer coating layer formed by bonding a reactive substituent of the phosphonic acid derivative and a reactive substituent of a polymer. Thus, the present invention provides a quantum dot having improved stability while maintaining the fluorescence emission characteristics of the quantum dot. The present invention relates to: a quantum dot body having improved compatibility with a highly polar solvent and a photosensitive resin composition; a quantum dot composition in which the quantum dot body is dispersed in a resin material; a wavelength conversion material obtained by curing the quantum dot composition; and a method for producing the wavelength conversion material.

Powder for preventing and / or treating perspiration and composition comprising same The present invention relates to a cosmetic powder, in particular for preventing and / or treating perspiration, in which the particles comprise: - at least one alkali metal metasilicate and - at least one chelating compound chosen from the phosphonic derivatives of the following formula (I): (I) where R represents an alkyl radical, linear or branched, cyclic or non-cyclic, saturated or unsaturated, comprising from 1 to 10 carbon atoms, and n represents an integer between 1 and 10, and amino acids. It also relates to the method for manufacturing said powder and the composition comprising such a powder.

This invention discloses a method for preparing high-purity carbazole alkylphosphonic acid derivatives, specifically a method for preparing high-purity MeO-2PACZ, 4PADCB, Me-4PACZ, and 2PACZ. This invention simplifies the post-reaction processing flow and employs a specific preparative chromatography combined with lyophilization for purification, achieving a product purity ≥99.0%. When used in the fabrication of perovskite solar cells, the products show a significant improvement in photoelectric conversion efficiency. Furthermore, the process is highly automated and easier to operate, directly adaptable to large-scale industrial production, meeting the high-purity application requirements of core functional materials for high-efficiency perovskite photovoltaic devices.

The invention provides a high-adhesion heat-conducting polyimide film and a preparation method thereof. The polyimide film is prepared by adding a special fluorine-containing anilino phosphonic acid derivative, a certain proportion of spherical silicon oxide, boron nitride and diatom ooze as inorganic modifiers in the polyimide preparation process. By utilizing a pi-pi conjugated structure and an amide group in the fluorine-containing anilino phosphonic acid derivative, the polyimide film has excellent deformation resistance; in addition, by adding the fluorine-containing anilino phosphonic acid derivative, not only can the water absorption of the polyimide film be reduced, but also the adhesive force of the film on the surface of a copper foil can be improved. In addition, due to a layered breathable structure of the nano-scale silicon oxide particles, the micron-scale flaky boron nitride and the diatom ooze, the defect that the heat conductivity is reduced due to the existence of the fluorine-containing anilino phosphonic acid derivative is overcome, and the heat conductivity coefficient of the obtained polyimide film is not lower than 1.0 W / (mk).

The invention discloses a spirocyclic aromatic hydrocarbon phosphonic acid derivative containing a cross structure, a preparation method and application of the spirocyclic aromatic hydrocarbon phosphonic acid derivative in a photoelectric device. The spirocyclic aromatic hydrocarbon phosphonic acid derivative takes a unique cross pi conjugate plane aromatic ring element as a parent nucleus and alkyl phosphonic acid as an anchoring group; the method has the advantages of simple synthesis steps, mild synthesis conditions, high hole extraction speed, good physical and chemical stability and the like; therefore, the hole selective contact layer can be used as an efficient and stable hole selective contact layer to be applied to a single-junction perovskite solar cell, an organic solar cell, a laminated solar cell, a perovskite light-emitting diode, an organic light-emitting diode, a perovskite photoelectric detector and an organic photoelectric detector.

Disclosed herein is an aqueous composition having a pH value at 55° C. in the range from 5 to 9, containing at least one different amino organophosphonic acid derivatives of formula (I)where residues R independently of each other are CH2—PO(OR″)2, residues R′ independently of each other are alkylene residues with 2 to 4 carbon atoms, residues R″ independently of each other are H, Na, K, Li or NH4; and n is an integer from 0 to 4; and at least one copolymer, which is water-soluble or water-dispersible. Further disclosed herein are a concentrate to produce such compositions, a pickling method for pickling metallic substrates making use of the compositions, a coating method for coating metallic substrates including the pickling method and a method of using the compositions for pickling metallic substrates.

The invention belongs to the technical field of chemical analysis and detection, and particularly relates to a liquid phase detection method of phenylphosphonic acid derivative photoinitiators. Comprising the following steps: (1) preparing a raw material positioning solution, a raw material standard solution, a sample solution to be detected, a blank solution and a mobile phase of the phenylphosphonic acid derivative photoinitiator; (2) carrying out ultrasonic preparation on related samples and filtering for later use; and (3) detecting and analyzing the phenylphosphonic acid derivative photoinitiator related sample by using a high performance liquid chromatograph. The invention establishes a proper liquid phase method for detecting the phenylphosphonic acid derivative photoinitiator. The method is suitable for detection of various phenyl phosphoric acid derivative photoinitiators, and the method has good response to raw materials, intermediate states and products, and has an obvious separation effect. Compared with other detection methods, the liquid phase method is simple and rapid, and the corresponding detection cost is low.

The present invention relates to oxygenated amino and ammonium-containing sulfonic acid, phosphonic acid and carboxylic acid derivatives, in particular the compounds of formula 1, 2, 3, 4, 5 or 6, and their medical use, including their use in the treatment, prevention or amelioration of an inflammatory, autoimmune and / or allergic disorder, or a proliferative, neoplastic or dysplastic disease or disorder.

The present invention is a quantum dot composition containing a quantum dot that emits fluorescence by excitation light, characterized in that the quantum dot is composed of a semiconductor nanoparticle core not containing Cd or Pb and a semiconductor nanoparticle shell, and the surface of the quantum dot is modified with a phosphonic acid derivative. As a result, provided are: a quantum dot composition in which the deterioration of fluorescence emission efficiency is suppressed; a resin composition using the quantum dot composition; and a wavelength conversion material.

The invention discloses a radioactive marker of a dithiophosphoric acid derivative, a precursor compound of the radioactive marker, a preparation method of the radioactive marker and application of the radioactive marker, and belongs to the technical field of nuclear medicine. The invention provides a precursor compound of a radiomarker of a dithiophosphoric acid derivative as shown in a structural formula (I) or a pharmaceutically acceptable salt of the precursor compound, and a radiomarker of a dithiophosphoric acid derivative as shown in a formula (II) or a pharmaceutically acceptable salt of the radiomarker. According to the invention, risedronic acid is creatively combined with a chelating agent to obtain NOTA-risedronic acid and DOTA-risedronic acid, and then radionuclides are used for labeling. The radiolabeled product disclosed by the invention is relatively high in water solubility, relatively good in-vitro stability at room temperature and high in plasma protein binding rate, and relatively high and relatively long-lasting skeleton uptake is shown in imaging and in-vivo distribution in mice; and compared with the 68Ga-DOTA-ibandronic acid, the intake of the compound disclosed by the invention at the focus part is twice of that of the 68Ga-DOTA-ibandronic acid.

The present invention relates to hydroxyamino phosphinic acid derivatives of formula Iin which the occurring groups and parameters have the meanings defined in claim 1, to a method for their preparation and to their use for the fabrication of self-assembled monolayers (SAM), in particular for the fabrication of switchable SAM for electronic devices. The invention further relates to electronic devices comprising said SAM, preferably in the field of organic electronics, in particular for use in memory, sensors, furthermore in organic light-emitting diodes (OLEDs), photovoltaics (OPVs), field-effect transistors (OFETs) and Josephson junctions, very particularly in memristive components such as memristive crossbar-arrays.

Disclosed is a quantum dot composition which contains quantum dots that emit fluorescence by excitation light, and which is characterized in that each quantum dot is composed of a semiconductor nanoparticle core and a semiconductor nanoparticle shell that do not contain Cd and Pb, and the surface of each quantum dot is covered with a metal oxide. The surface of the quantum dot or the surface of the metal oxide is modified by a phosphonic acid derivative. As a result, provided is a quantum dot composition in which degradation of fluorescence emission efficiency is suppressed even if quantum dots having low toxicity are used.

The present invention relates to an aqueous composition having a pH value of 5-9 at 55° C., comprising at least one aminoorganophosphonic acid derivative of formula (I), wherein: the radicals R are independently CH 2 ‑PO(OR”) 2 , the groups R' are independently alkylene groups having 2-4 carbon atoms, and the groups R" are independently H, Na, K, Li or NH 4 ; and n is an integer of 0-4; and at least one water-soluble or water-dispersible copolymer selected from at least partially neutralized poly(meth)acrylic acid and polyvinylpyrrolidone; wherein the content of water is 80-99.5% by weight, based on the total weight of the composition. The present invention further relates to a concentrate for preparing the composition, a pickling method for pickling a metal substrate using the composition, a method for coating a metal substrate comprising the pickling method, and the use of the composition for pickling a metal substrate.

The present invention relates to a plating solution for forming a black rhodium plating film. A black rhodium plating solution according to the present invention includes: a rhodium salt that has a rhodium metal concentration of 1 g / L to 20 g / L inclusive; 10 mL / L to 100 mL / L inclusive of sulfuric acid; 2 mM to 100 mM inclusive of a phosphonic acid derivative or a salt thereof; and a magnesium salt that has a magnesium metal concentration of 0.1 g / L to 10 g / L inclusive. According to the present invention, the phosphonic acid derivative or the salt thereof acts as a blackening agent for a rhodium plating film. This blackening agent makes it possible to obtain the black rhodium plating film that has little change in appearance even after film formation.

Water-soluble hydroxybisphosphonic derivatives of meloxicam may be used as a drug, especially for the treatment of inflammatory joint diseases. Pharmaceutical compositions include such water-soluble hydroxybisphosphonic derivatives of meloxicam and at least one excipient. Methods are used to synthesize such hydroxybisphosphonic derivatives of meloxicam.

This invention relates to a halogen-free composite lithium battery solid fire extinguishing agent and its preparation method. The preparation method includes: adding vinyltriethoxysilane to ethanol to obtain a mixture; adding poly(bis(2-methoxyethoxy)phosphazene) and inorganic filler to the mixture to obtain a reaction solution; stirring the reaction solution; and drying to obtain the halogen-free composite lithium battery solid fire extinguishing agent. The inorganic filler includes nano-magnesium hydroxide. In this invention, poly(bis(2-methoxyethoxy)phosphazene) containing nitrogen and phosphorus synergistic flame-retardant groups and inorganic filler including nano-magnesium hydroxide are coupled together by vinyltriethoxysilane. When the halogen-free composite lithium battery solid fire extinguishing agent prepared by this invention extinguishes a fire, the phosphonic acid derivatives produced by the thermal decomposition of the bis(2-methoxyethoxy)phosphazene groups react with the magnesium oxide produced by the thermal decomposition of magnesium hydroxide to generate solid magnesium salts. These solid magnesium salts isolate heat transfer and oxygen, thereby further enhancing the fire extinguishing effect.

This invention relates to a triphenylamine-carbazole-phosphonic acid derivative, its preparation method, and its applications, belonging to the field of optoelectronic materials and devices technology. The preparation method of the triphenylamine-carbazole-phosphonic acid derivative includes: mixing compound 1a, compound 2a, a catalyst, and a mixed solvent under an inert gas atmosphere, followed by heating to obtain intermediate M0; dissolving intermediate M0 in dibromide, then adding a phase transfer catalyst and a base, and heating to obtain intermediate M1; dissolving intermediate M1 in triethyl phosphite, and heating to obtain intermediate M2; and hydrolyzing intermediate M2 to obtain the final product. Perovskite-based solar cells using the triphenylamine-carbazole-phosphonic acid derivative prepared according to this invention as the hole-selective contact layer can achieve a photoelectric conversion efficiency of >24.8%, which is superior to cells using traditional 2PACZ as the hole-selective contact layer.

This invention belongs to the field of mineral processing engineering technology, and discloses a sequential flotation separation method and its application based on sulfanilamide phosphonic acid derivatives. It utilizes specific organic inhibitors to achieve efficient sequential separation of bastnaesite, fluorite, and calcite through stepwise pH control of the pulp. The process is driven by pH-responsive sulfanilamide phosphonic acid derivative inhibitors. This process requires only a single reagent combined with stepwise pH control, eliminating the need for magnetic separation, resulting in a simple and easily controllable process. By leveraging the drastic variation in inhibitory effects at different pH levels, precise separation of bastnaesite and fluorite can be achieved, significantly improving concentrate quality and recovery rate. Simultaneously, calcite can be recovered, resulting in high resource utilization and significant economic and environmental benefits.

The application relates to the photovoltaic technology field, in particular to a laminated solar cell, a preparation method thereof and a photovoltaic module, wherein the laminated solar cell comprises a silicon cell and a perovskite cell which are arranged in layers; the perovskite cell comprises an organic hole transport layer, a perovskite absorption layer and an electron transport layer which are arranged in layers on one side of the silicon cell; a metal oxide layer is arranged on the side of the silicon cell facing the organic hole transport layer; the organic hole transport layer is arranged on the metal oxide layer; and the material of the organic hole transport layer comprises a 1,2-bisphosphonic acid derivative based on a rigid aromatic skeleton. In the technical scheme, the bisphosphonic acid group in the 1,2-bisphosphonic acid derivative based on the rigid aromatic skeleton can be combined with metal atoms in the metal oxide layer to form a stable chelate structure, the combination strength of the organic hole transport layer and the silicon cell is enhanced, the contact uniformity between the silicon cell and the perovskite absorption layer is improved, and the photoelectric performance of the laminated solar cell is improved.

The present invention relates to a plating solution for forming a black rhodium plating film. The black rhodium plating solution according to the present invention comprises a rhodium salt with a metallic rhodium concentration of 1 g / L or more and 20 g / L or less, sulfuric acid with a concentration of 10 mL / L or more and 100 mL / L or less, a phosphonic acid derivative or its salt with a concentration of 2 mM or more and 100 mM or less, and a magnesium salt with a metallic magnesium concentration of 0.1 g / L or more and 10 g / L or less. In the present invention, the phosphonic acid derivative or its salt acts as a blackening agent for the rhodium plating film. By means of this blackening agent, a black rhodium plating film with minimal change in appearance even after formation can be obtained.

The present invention relates to an antifouling member, a member for an in vitro diagnostic device, and a method for producing the antifouling member. Provided is an antifouling member capable of achieving both low protein adsorption and durability. The antifouling member has a film formed on a substrate. The film comprises a condensate of a hydrolysate of a silane coupling agent or a condensate of a phosphonic acid derivative. The film does not contain halogen atoms. The zeta potential of the membrane in water having a pH of 7 is from-10.0 mV to 10.0 mV. The antifouling member has a B / A value of 2.0-5.0, where A represents the ratio of the amount of C atoms in XPS analysis of the substrate to the amount of atoms of the element X contained in the maximum amount in the surface of the substrate, and B represents the ratio of the amount of C atoms to the amount of atoms of the element X in XPS analysis of the film on the substrate.

The present invention provides: a curable composition for imprinting, the curable composition containing a polymerizable compound, a polymerization initiator, and one or more organic phosphorus compounds selected from the group consisting of organic phosphoric acid derivatives, organic phosphonic acid derivatives, and organic phosphine oxide derivatives in which a carbonyl group is not directly bonded to a phosphorus atom; a cured product of the curable composition for imprinting; a method for producing an imprint pattern using the curable composition for imprinting; and a method for producing a device, said method the method for producing an imprint pattern.