13 results about "Pyridine carboxylate" patented technology

This invention relates to a method for using a low-content ruthenium-based catalyst modified with nitrogen and oxygen ligands in the hydrochlorination of acetylene. The invention utilizes 2-pyridine carboxylate as a ligand, commercial activated carbon as a support, trace amounts of ruthenium as the main active component, and water as a solvent. An improved synthesis procedure yields a low-content ruthenium-based catalyst with ruthenium ions coordinated by a modifier and commercial activated carbon as a support, significantly improving catalyst performance while reducing ruthenium content. This catalyst exhibits high activity and vinyl chloride selectivity in the fixed-bed hydrochlorination of acetylene to vinyl chloride, and its low cost makes it highly valuable for industrial applications. The ruthenium loading is 0.1%, and the reaction gas space velocity is 170 h⁻¹. ‑1 V (C2H2) / V (HCl) With a ratio of 1:1.05 and a reaction temperature of 180℃, the acetylene conversion rate can reach 84.3%, the vinyl chloride selectivity is greater than 99%, and the activity remains basically unchanged within 10 hours.

The invention relates to the technical field of energy storage batteries, and particularly discloses an aqueous zinc ion battery electrolyte as well as a preparation method and application thereof. The electrolyte is composed of electrolyte zinc salt, pyridine organic metal salt and water. And after hydrolysis, metal ions in the weakly acidic pyridine organic metal salt are in a positively charged state. Therefore, in the zinc deposition process, positively charged metal ions and picolinate radicals can be adsorbed on zinc favorable nucleation sites to promote uniform deposition of zinc ions. Compared with a metal ion additive in the prior art, interface adsorption of hydrolyzed pyridine organic molecules can effectively reduce the water content of the surface of the zinc negative electrode and construct a hydrophobic interface channel, so that hydrogen evolution reaction (HER) can be effectively inhibited, and the interface corrosion phenomenon of the zinc negative electrode is further eliminated. According to the analysis, the pyridine organic metal salt additive has the advantage of synergistic effect of multiple functions at the same time, so that dendrite-free growth and corrosion inhibition of the zinc negative electrode are realized, and the cycle life of the battery is prolonged.

Disclosed herein are compositions comprising (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof and (b) an HPPD inhibitor herbicide or an agriculturally acceptable salt or ester thereof. Also disclosed herein are methods of controlling undesirable vegetation, comprising applying to vegetation or an area adjacent the vegetation or applying in soil or water to control the emergence or growth of vegetation (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof and (b) an HPPD inhibitor herbicide or an agriculturally acceptable salt or ester thereof.

Disclosed herein are safened compositions comprising (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt or ester thereof and (b) a quinolinoxyacetate safener or agriculturally acceptable salt or ester thereof. Also disclosed herein are methods of controlling undesirable vegetation, comprising applying to vegetation or an area adjacent the vegetation or applying in soil or water to control the emergence or growth of vegetation (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt or ester thereof and (b) a quinolinoxyacetate safener or agriculturally acceptable salt or ester thereof.

The present invention relates to the technical field of composite catalysts, and discloses a zinc pyridine carboxylate complex composite catalyst and a preparation method thereof, which is prepared by a high-temperature reaction in a high-pressure reactor using a specific zinc pyridine carboxylate complex containing different electronic group functional groups, a DMC catalyst, a polar solvent, and a non-polar solvent. Specifically, in the preparation method of the present invention, a high-pressure reactor is used to make it easier for zinc pyridine carboxylate and two metals in a bimetallic catalyst to form active sites under a high-temperature inert gas environment, thereby exerting a synergistic effect, making the selectivity and activity of the catalyst higher, and especially for two types of catalysts, the interaction between the metals can be enhanced under an inert gas atmosphere, thereby improving the structural stability of the catalyst, and the high-temperature environment is conducive to synthesizing a stable catalyst product during the synthesis process, and the intermediate that is easily decomposed at high temperature can be stabilized under the inert gas atmosphere, which is conducive to the synthesis of the composite catalyst.

Disclosed herein are compositions comprising (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof and (b) an acetolactate synthase (ALS) inhibitor or an agriculturally acceptable salt or ester thereof. Also disclosed herein are methods of controlling undesirable vegetation, comprising applying to vegetation or an area adjacent the vegetation or applying in soil or water to control the emergence or growth of vegetation (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof and (b) an ALS inhibitor or an agriculturally acceptable salt or ester thereof.

Disclosed herein are safened compositions comprising (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt or ester thereof and (b) an azole carboxylate safener or agriculturally acceptable salt or ester thereof. Also disclosed herein are methods of controlling undesirable vegetation, comprising applying to vegetation or an area adjacent the vegetation or applying in soil or water to control the emergence or growth of vegetation (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt or ester thereof and (b) an azole carboxylate safener or agriculturally acceptable salt or ester thereof.

Disclosed herein are compositions comprising (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof and (b) a protoporphyrinogen oxidase (PROTOX) inhibitor herbicide or an agriculturally acceptable salt or ester thereof. Also disclosed herein are methods of controlling undesirable vegetation, comprising applying to vegetation or an area adjacent the vegetation or applying in soil or water to control the emergence or growth of vegetation (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof and (b) a protoporphyrinogen oxidase (PROTOX) inhibitor herbicide or an agriculturally acceptable salt or ester thereof.

The present invention relates to a continuous process for manufacturing alkyl 7-amino-5-methyl-[1,2,5]oxadiazolo[3,4-b]pyridine carboxylate.

The invention discloses a CoY-MOF / AgCl-x composite material with visible light response as well as a preparation method and application thereof, and belongs to the technical field of photocatalytic materials. The composite material comprises CoY-MOF and AgCl loaded on the CoY-MOF, the chemical formula of the CoY-MOF is [CoY (pydc) 3 (H2O) 3]. 9H2O, the CoY-MOF is a bimetallic organic framework material with pyridine-2, 3-dicarboxylic acid (H2pydc) as a ligand, and each asymmetric unit contains one Co < 3 + > ion, one Y < 3 + > ion and three deprotonated pyridine carboxylate radicals. The preparation method of the composite material is simple, the structure is stable, tetracycline can be catalytically degraded under visible light irradiation, and the composite material can be recycled.

The application discloses hafnium / zirconium 2-pyridine carboxylate complexes, a preparation method and application thereof, and belongs to the technical field of compound preparation. The hafnium / zirconium 2-pyridine carboxylate complexes provided by the application have both the chelating characteristics of a ligand and the stability of hafnium and zirconium. The dielectric constant of the complexes is 7-9 at a medium-temperature stage (123-223 DEG C) and a low-medium frequency (100Hz-100kHz), the dielectric loss is extremely small, and the complexes can stably exist at 230 DEG C. Therefore, the complexes can be widely applied to the preparation of new energy automobile parts, power equipment precision insulation parts and industrial equipment dielectric insulation / transmission parts. The preparation method of the complexes is simple in operation and is beneficial to actual production.

Disclosed herein are compositions comprising (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof and (b) a PS II inhibitor herbicide or an agriculturally acceptable salt or ester thereof. Also disclosed herein are compositions comprising (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof, (b) a PS II inhibitor herbicide or an agriculturally acceptable salt or ester thereof, and (c) a HPPD inhibitor herbicide. Also disclosed herein are methods of controlling undesirable vegetation, comprising applying to vegetation or an area adjacent the vegetation or applying in soil or water to control the emergence or growth of vegetation (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof, (b) a PS II inhibitor herbicide or an agriculturally acceptable salt or ester thereof, and (c) optionally, a HPPD inhibitor herbicide.

Disclosed herein are compositions comprising (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof and (b) a synthetic auxin herbicide, an auxin transport inhibitor, agriculturally acceptable salts or esters thereof, or combinations thereof. Also disclosed herein are methods of controlling undesirable vegetation, comprising applying to vegetation or an area adjacent the vegetation or applying in soil or water to control the emergence or growth of vegetation (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof and (b) a synthetic auxin herbicide, an auxin transport inhibitor, agriculturally acceptable salts or esters thereof, or combinations thereof.