49 results about "Organophosphonates" patented technology

The present invention relates to emulsion compositions and associated methods. More particularly, the present invention relates to gelled invert emulsion compositions and their associated methods of use and preparation. In one embodiment, the present invention provides a method of treating a portion of a subterranean formation comprising the steps of: providing a gelled invert emulsion composition that comprises an oleaginous continuous phase, a discontinuous phase, and a gelling agent; and treating a portion of the subterranean formation. The present invention also provides methods of increasing the viscosity of an invert emulsion composition, methods of making gelled invert emulsion compositions, methods of providing some degree of sand control to portions of subterranean formations, methods of fracturing a portion of a subterranean formation, and gelled invert emulsion compositions.

This invention relates generally to a new class of chemoselective polymer materials. In particular, the invention relates to linear polycarbosilane compounds for use in various analytical applications involving sorbent polymer materials, including chromatoghraphy, chemical trapping, analyte collection, and chemical sensor applications. These polymers have pendant and terminal aryl, alkyl, alkenyl, and alkynyl groups that are functionalized with halogen substituted alcohol or phenol groups, having the general structure: wherein n is an integer greater than 1; wherein at least one of R1 and R2 is a linear or branched arm having at least one group independently selected from the group consisting of alkyl, alkenyl, alkynyl, and aryl groups, or combinations thereof, and having at least one halogen substituted alcohol or phenol groups attached thereto; wherein any said R1 and R2 aryl groups are attached to said [Si—X-]n either directly or through a short hydrocarbon chain; wherein any remaining said R1 or R2 group is a hydrocarbon or carbosilane group; wherein X is a polymer component selected from the group consisting of alkylene, alkenylene, alkynylene, arylene groups, and combinations thereof; and wherein Z1 and Z2 are end groups independently selected from the group consisting of alkyl, alkenyl, alkynyl, aryl, alkyl silanes, aryl silanes, hydroxyl, silicon hydride, alkoxides, phenols, halogen substituted alcohols, halogen substituted phenols, organosilyl, and combinations thereof. These polymeric materials are primarily designed to sorb hydrogen bond basic analytes such as organophosphonate esters (nerve agents and precursors) and nitro-substituted compounds (explosives).

This invention relates generally to a new class of chemoselective polymer materials. In particular, the invention relates to linear polycarbosilane compounds for use in various analytical applications involving sorbent polymer materials, including chromatoghraphy, chemical trapping, analyte collection, and chemical sensor applications. These polymers have pendant and terminal aryl, alkyl, alkenyl, and alkynyl groups that are functionalized with halogen substituted alcohol or phenol groups, having the general structure:wherein n is an integer greater than 1;wherein at least one of R1 and R2 is a linear or branched arm having at least one group independently selected from the group consisting of alkyl, alkenyl, alkynyl, and aryl groups, or combinations thereof, and having at least one halogen substituted alcohol or phenol groups attached thereto;wherein any said R1 and R2 aryl groups are attached to said [Si—X—]n either directly or through a short hydrocarbon chain;wherein any remaining said R1 or R2 group is a hydrocarbon or carbosilane group;wherein X is a polymer component selected from the group consisting of alkylene, alkenylene, alkynylene, arylene groups, and combinations thereof; andwherein Z1 and Z2 are end groups independently selected from the group consisting of alkyl, alkenyl, alkynyl, aryl, alkyl silanes, aryl silanes, hydroxyl, silicon hydride, alkoxides, phenols, halogen substituted alcohols, halogen substituted phenols, organosilyl, and combinations thereof.These polymeric materials are primarily designed to sorb hydrogen bond basic analytes such as organophosphonate esters (nerve agents and precursors) and nitro-substituted compounds (explosives).

An ionic liquid composition having the following generic structural formula:wherein R1, R2, R3, and R4 are equivalent and selected from hydrocarbon groups containing at least three carbon atoms, and X− is a phosphorus-containing anion, particularly an organophosphate, organophosphonate, or organophosphinate anion, or a thio-substituted analog thereof containing hydrocarbon groups with at least three carbon atoms. Also described are lubricant compositions comprising the above ionic liquid and a base oil, wherein the ionic liquid is dissolved in the base oil. Further described are methods for applying the ionic liquid or lubricant composition onto a mechanical device for which lubrication is beneficial, with resulting improvement in friction reduction, wear rate, and / or corrosion inhibition.

Method of treating a subterranean formation using a hydrocarbon treatment fluid using a phosphor-based hydrocarbon gelling agent that is capable of both increasing the viscosity of the hydrocarbon treatment fluid and remaining in the subterranean formation after the viscosity of the gel is broken such that it can act as a scale inhibitor. Phosphor-based hydrocarbon gelling agents may be formed from a polyvalent metal salt of an organophosphonic acid ester or from a polyvalent metal salt of an organophosphinic acid.

A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer with a lanthanide-based catalyst system including the combination or reaction product of: (a) a lanthanide compound selected from the group consisting of lanthanide organophosphates, lanthanide organophosphonates, and lanthanide organophosphinates, (b) an alkylating agent, and (c) a chlorine-containing compound, where said step of polymerizing takes place within a polymerization mixture that includes less than 20% by weight of solvent based on the total weight of the polymerization mixture.

The invention relates to a reactive flame-retardant organic phosphonate compound and a preparation method thereof. Please see the formula of the structure of the compound in the specification. The preparation method includes the steps that air in a reactor with a fractional device is replaced with nitrogen, the molecular ratio of tri-methylol propane to dimethyl methylphosphonate is controlled to be 1:1-1:1.3, then organic solvents and catalysts are added, temperature is raised to 80-140 DEG C, the temperature of the top of a fractional column is controlled to be not higher than 65 DEG C, generated methyl alcohol is fractionated, a fractional reaction is carried out for 5-10 h until no methyl alcohol is generated, and reactive flame retardant organic phosphonate is obtained through purification. The reactive flame-retardant organic phosphonate compound has good plasticity, good in macro-molecular compatibility, suitable for flame retardants of polyester PBT, polyurethane, epoxy resin, unsaturated resin and other materials, low in production cost, small in equipment investment and very good in application and development prospect, raw materials are easy to obtain, and large-scale production is easy.

The invention discloses a polyionic liquid modified nano material, a preparation method thereof and application of the material in enrichment of phosphorylated peptide in a sample containing phosphorylated peptide. The preparation method comprises the following steps: (1) polymerizing a vinyl-modified substrate material, vinyl and organic phosphonate functionalized ionic liquid to obtain a polyorganic phosphonate ionic liquid functionalized material; and (2) acidifying and hydrolyzing the polyorganic phosphonate ionic liquid functionalized material, and then combining with metal ions to obtainthe affinity material of the polyorganic phosphonate functionalized ionic liquid. The functionalized material prepared by the method is easy to separate, has better hydrophilicity, metal ion immobilization capability, acid and alkali resistance, stability and good specific selectivity, and is suitable for enrichment and purification of phosphorylated peptides of complex biological samples. The material has a wide application prospect in the field of biomedicine.

The present invention provide a composition for a chemical conversion treatment capable of forming a chemical conversion film having both an excellent black appearance such that the L-value of the film is 28 even when the film is formed from the composition which has been aged, and good corrosion resistance. The composition is a water-soluble composition and comprising a trivalent chromium-containing substance, a cobalt-containing substance, a sulfur compound, and an organic phosphonate compound consisting of one or more compounds selected from the group consisting of organic phosphonic acids, ions of organic phosphonic acids, and organic phosphonates, and a nickel-containing substance as needed. It is preferable that the content of the trivalent chromium-containing substance be 1 to 10 g / L in chromium content equivalent, that the content of the cobalt-containing substance be 0.1 to 10 g / L in cobalt content equivalent, that the content of the sulfur compound be 0.1 to 10 g / L, and that the content of the organic phosphonate compound be 0.1 to 20 g / L. When the composition further contains a nickel-containing substance, the content in nickel content equivalent is preferably 0.10 to 10 g / L.

A non-aqueous electrolytic solution for use in a lithium secondary battery has reduced or eliminated flammability and increased capacity retention. The electrolytic solution includes a lithium salt, a carbonate, a substituted phosphazene, a fluorinated solvent such as fluorinated carbonate, fluorinated ether, and fluorinated ester, and an organic phosphate or organic phosphonate such as fluorinated alkyl phosphate, fluorinated aromatic phosphate, fluorinated alkyl phosphonate, or fluorinated aromatic phosphonate.

A method of modifying a polymer having hydroxyl groups, selected from the group of polysaccharides and lignin,to give a modified polymer comprising the step of contacting said polymer with at least one organic phosphonate salt in order to chemically modify the polymer, said organic phosphonate salt being in a liquid phase. The method of polymer modification provides novel polymers. Modified polymers obtained from a polymer having been treated with at least one organic phosphonate salt are also disclosed. The modified polymers can be used as such or separated and optionally recovered from the solution, optionally being formed into particular materials or shapes.

An anti-corrosion composition for use with a liquid or the liquid resulting from the addition of components is provided. The composition can include an acid, a phosphate ester of an alcohol, an inorganic phosphate, a salt of polyacrylates and a salt of an organophosphonate. The composition can be used with anti-freeze compositions or heat transfer fluids and advantageously exhibits enhanced corrosion resistance properties. A heat transfer medium is also provide, having water, glycol, an ester of a phosphoric acid, a phosphate salt and an acid, wherein the medium is a GRAS composition capable of satisfying ASTM 1384 and 4340.