45 results about "Inorganic phosphorus compounds" patented technology

Molding compositions MC having a reduced tendency to yellow with thermal stress which consist of a polymer PM containing units of formula I: blending from 0.005-1 wt % of at least one reducing inorganic phosphorus compound IP selected from the group consisting of phosphinic and phosphonic acid and its alkali metal, alkaline-earth metal, aluminum and ammonium salts, wherein the ammonium ion can be substituted with up to four C1-C4 alkyl and/or C5-C8 cycloalkyl groups, with the polymer PM after conclusion of the imidation reaction.

The present invention provides a manufacturing method of copolyester for low acetaldehyde content of PET bottles. The polyethylene terephthalate (PET) polymer is added with an appropriate modifier in order to decrease the production of acetaldehyde caused by pyrolysis side reaction during the blow molding process of PET bottles. The modifier comprises stabilizer and primary antioxidant, wherein the stabilizer is an inorganic phosphorous compound with an addition quantity of 0.003~0.5 weight % based on the weight of the total copolyester copolymer and the primary antioxidant is a hindered phenolic antioxidant containing Ca+2 with an addition quantity of 0.005~5.0 weight % based on the weight of the total copolyester copolymer. The present invention owns an improving effect of decreasing the production of side product-acetaldehyde at least 30% than those without the addition of said modifier.

The invention provides a metal corrosion inhibitor composition, a metal corrosion inhibitor thereof and an application thereof. The metal corrosion inhibitor composition contains a water-soluble inorganic zinc salt, an organic phosphine compound, an inorganic phosphorus compound, polyepoxysuccinic acid, a polyacrylamide polymer, and a gluconate, wherein the weight ratio is 0.5-5:0.1-5:0.1-2.5:0.5-8:3-20:1. The metal corrosion inhibitor of the invention has the advantages of good water solubility, and easy complex use with other water processing agents, can satisfy anticorrosion requirements of various metal devices (such as copper devices), and also can satisfy requirements of carbon steel devices of a system, so the metal corrosion inhibitor has very high industrial application values.

A multifunctional dispersant useful in lubricating compositions is prepared by heating together (a) a dispersant and (b) 2,5-dimercapto-1,3,4-thiadiazole or a hydrocarbyl-substituted 2,5-dimercapto-1,3,4-thiadiazole which is substantially insoluble in a hydrocarbon oil of lubricating viscosity at 25° C., and further either (c) a borating agent or (d) an inorganic phosphorus compound, or both (c) and (d). The heating is sufficient to provide a reaction product of (a), (b), and (c) or (d) which is soluble in hydrocarbon oil at 25° C.

The invention relate to a composite corrosion-inhibiting and antisludging agent composition. The composite corrosion-inhibiting and antisludging agent composition contains water-soluble oxidizing inorganic metal salt, an inorganic phosphorus chemical compound, an organic phosphine chemical compound, an adsorption film type corrosion inhibiting agent, a non-phosphorus dispersal polymer, water-soluble inorganic zinc salt, an oxidizer and mineral acids except a phosphoric acid, of which the weight ratio is 1:(0.1-3):(0.1-10):(0.5-50):(0.5-50):(0.5-25):(0.5-5):(0.5-10). The invention further relates to a preparation method of the composite corrosion-inhibiting and antisludging agent composition. The method comprises the following step: mixing components in the composite corrosion-inhibiting and antisludging agent composition with water, wherein the composite corrosion-inhibiting and antisludging agent composition is the composite corrosion-inhibiting and antisludging agent composition disclosed by the invention. The corrosion-inhibiting performance and the antisludging performance of the composition corrosion-inhibiting and antisludging agent composition provided by the invention are obviously improved.

A composition for controlling harmful bio-organisms comprising (a) at least one imidazole compound represented by formula (I):

wherein R represents a lower alkyl group or a lower alkoxy group; and n represents an integer of 1 to 5, as an active ingredient, and (b) at least one inorganic phosphorus compound and/or at least one fungicide for Phycomycetes as an active ingredient or (c) a spreader as an activity-enhancing ingredient, and a method for controlling harmful bio-organisms comprising applying the composition for controlling harmful bio-organisms onto harmful bio-organisms.

The present invention provides biofertilizer compositions comprising yeast cells with enhanced fixation of atmospheric nitrogen, decomposition of inorganic phosphorus and its compounds, decomposition of inorganic potassium and its compounds, decomposition of complex carbon compounds, overproduction of growth factors and excess Ability to produce ATP. The biological fertilizer composition of the invention can replace inorganic fertilizers to provide nitrogen, phosphorus and potassium to crops. The invention also includes a production method and an application method of the biological fertilizer composition.

The invention relates to a simple spectrophotometry lecithin content measuring method for fresh eggs. The principle of the method comprises the following steps of: separating egg yolk from egg white after the fresh eggs are boiled in boiling water and denatured, then thoroughly extracting grease of the egg yolk with anhydrous ether and transforming the lecithin into inorganic phosphorus compound. Ammonium phosphomolybdate is produced in acid condition and becomes blue molybdenum blue by reduction reaction. Color comparison is conducted under 650nm, phosphorus content is measured, and egg lecithin content is finally computed. As to egg products, the direct adoption of the method can meet the demand of analysis and measuring of daily laboratory. The simple egg lecithin content measuring method has the advantages of easy operation, high selectivity, reliable measuring result and being capable of getting rid of the disturbance of inorganic phosphorus of eggs.

A polyester resin composition for a toner comprising a titanium compound in an amount of from 0.005 to 4% by weight, and an inorganic phosphorus compound in an amount of from 0.001 to 5% by weight; a toner comprising the polyester resin composition as defined above; and a process for preparing the polyester resin composition for a toner as defined above, comprising the step of polycondensing the raw material monomers for the polyester in the presence of a titanium compound and an inorganic phosphorus compound. The polyester resin composition for a toner is suitably used as a resin binder for a toner for developing a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like, a process for preparing the same, and a toner comprising the polyester resin composition.

A nonaqueous electrolyte secondary battery includes a positive electrode having a positive electrode active material layer provided on a positive electrode collector, a negative electrode having a negative electrode active material layer provided on a negative electrode collector, and a nonaqueous electrolyte. The nonaqueous electrolyte contains at least one member selected from the group consisting of sulfone compounds represented by the following formulae (1) and (2); and an inorganic phosphorus compound represented by the following formula (3) exists on the surface of a positive electrode active material: R1 represents CmH2m-n1Xn2; X represents a halogen; m represents an integer of from 2 to 7; each of n1 and n2 independently represents an integer of from 0 to 2m; R2 represents CjH2j-k1Zk2; Z represents a halogen; j represents an integer of from 2 to 7; each of k1 and k2 independently represents an integer of from 0 to 2j; each of R3, R4 and R5 independently represents H or OH; and a is 0 or 1.

The invention discloses a preparation method of organophosphorus compound modified ZSM-5 zeolite. The method comprises the following steps: the roasted nano H-type ZSM-5 zeolite is stirred and impregnated in a pre-prepared organophosphorus compound solution, the concentration of the organophosphorus compound in the organophosphorus compound solution is 0.01-2 mol/L, and the organophosphorus compound solution and the roasted nano ZSM-5 zeolite are in a volume ratio of 1:1-20:1; the solvent is removed by distillation, and the organophosphorus compound modified ZSM-5 zeolite is obtained by dryingand roasting. According to the nano ZSM-5 zeolite modified with the organophosphorus compound, crystallinity, pore structure, acidity, catalytic reaction performance and retention after high temperature hydrothermal treatment are obviously better than those of nano ZSM-5 zeolite which are not modified or modified with an inorganic phosphorus compound as a phosphorus source.

To provide a herbicidal agrichemical composition having a HPPD inhibitory action and a herbicidal method using the same.

A herbicidal agrichemical composition comprising: a herbicidal active ingredient having a 4-hydroxyphenylpyruvate dioxygenase (HPPD) inhibitory action; and an inorganic phosphorus compound comprising a phosphorus oxoacid or an agriculturally acceptable salt thereof.

The invention relates to a recycling method for phosphorus in phosphorus-containing waste. The phosphorus-containing waste comprises one or more organophosphorus compounds and inorganic phosphorus compounds. The method comprises the following steps: concentrating the phosphorus-containing waste, and effectively separating organophosphorus from inorganic phosphorus to obtain inorganic phosphate; purifying the obtained inorganic phosphate to obtain a high-purity phosphate product; preparing diammonium hydrogen phosphate with a purity meeting requirements by using the inorganic phosphate; and recycling the diammonium hydrogen phosphate as a catalyst for acetic acid cracking. According to the method, organophosphorus in high-phosphorus-content waste can be effectively converted into inorganicphosphorus; meanwhile, the phosphorus element in the waste is recycled, and the obtained inorganic phosphorus is purified to prepare high-purity inorganic phosphate, so the pollution emission of phosphorus resources is reduced.