74 results about "Cation composition" patented technology

Compositions and processes are disclosed for economical separation of fluid mixtures. Broadly, the present invention discloses ionic polymer compositions that are useful for perm-selective membrane separations. More particularly, ionic polymers of the invention comprise a plurality of repeating structural units having as a constituent part thereof organic ionic moieties consisting of nitrogen containing anions and/or cations. In the form of non-porous membranes, ionic polymers of the invention facilitate recovery of purified organic and inorganic products from fluid mixtures by means of perm-selective membrane separations. The present invention also provides methods for forming the ionic polymers, for example by treating selected nitrogen-containing organic polymers with acids, or treating a polymeric material comprising a plurality of carboxylate groups with an amine. Ionic polymer compositions of the invention are particularly useful for simultaneous recovery of a permeate product of an increased concentration, and a desired non-permeate stream, from a fluid mixture containing at least two compounds of different boiling point temperatures.

The invention provides an ionic liquid consisting of the anions of diimine (vikane) and (perfluoroalkglsulfonyl fluorosulfonyl group) imine and the cation of sulfonium salt, ammonium salt or phosphor salt, as well as method for preparing the ionic liquid through diimine (vikane) and (perfluoroalkglsulfonyl fluorosulfonyl group) imine alkali salt. The ionic liquid can be used as an electrolyte material and applied on the fields like secondary lithium ion batteries, super capacitors, etc.

In accordance with an embodiment of the invention, a thermal barrier coating (TBC) for inclusion in a thermal barrier coating/environmental barrier coating system (TBC/EBC system) for use on a silicon containing material substrate is provided. The TBC comprises a compound having a primary constituent portion and a stabilizer portion stabilizing said primary constituent. The primary constituent portion of the TBC comprises hafnia present in an amount of at least about 5 mol % of the primary constituent. The stabilizer portion of said thermal barrier coating comprises at least one metal oxide comprised of cations with a +2 or +3 valence present in the amount of about 10 to about 40 mol % of the thermal barrier coating.

The present invention provides a novel catalyst composition comprising a metallocene complex, and a novel producing method for various polymer compounds. Preferably, the invention provides a novel polymer compound, and a producing method thereof. Specifically, the invention provides a polymerization catalyst composition, comprising: (1) a metallocene complex represented by the general formula (I), including: a central metal M which is a group III metal atom or a lanthanoid metal atom; a ligand Cp* bound to the central metal and including a substituted or unsubstituted cyclopentadienyl derivative;

• • monoanionic ligands Q¹ and Q²; and w neutral Lewis base L; and

(2) an ionic compound composed of a non-ligand anion and a cation:

where w represents an integer of 0 to 3.

The invention discloses a biological protein wool fiber preparing method, which comprises the following steps: blending animal fur and fiber to produce soluble liquid in the ion liquid with positive and negative ion of fusing condition at 100 deg.c and positive ion to form salt; solidifying in the water, carbinol, alcohol, cyanoethyl or (NH4)2SO4 solution; adding adjuvant in the soluble liquid; solidifying in the water, carbinol, alcohol, cyanoethyl or 30 percent (NH4)2SO4 solution; evolving biological protein fur fiber.

A carrier system for the delivery of therapeutic and/or diagnostic agents is described. The carrier system is comprised of ligands and a biodegradable polycation for complexing polyanionic molecules such as RNAi, said polycation forming a coating on the outer surface of anionic or neutral liposomes. Also disclosed is a method for using the composition to deliver to target cells and enhance cell membrane penetration of therapeutic and/or diagnostic agents.

Compositions and processes are disclosed for economical separation of fluid mixtures. Broadly, the present invention discloses ionic polymer compositions that are useful for perm-selective membrane separations. More particularly, ionic polymers of the invention comprise a plurality of repeating structural units having as a constituent part thereof organic ionic moieties consisting of nitrogen containing anions and/or cations. In the form of non-porous membranes, ionic polymers of the invention facilitate recovery of purified organic and inorganic products from fluid mixtures by means of perm-selective membrane separations. The present invention also provides methods for forming the ionic polymers, for example by treating selected nitrogen-containing organic polymers with acids, or treating a polymeric material comprising a plurality of carboxylate groups with an amine. Ionic polymer compositions of the invention are particularly useful for simultaneous recovery of a permeate product of an increased concentration, and a desired non-permeate stream, from a fluid mixture containing at least two compounds of different boiling point temperatures.

The present invention provides a thermal stability, homogeneity and acid resistance of excellent high refractive index low dispersion fluoride phosphate glass. A glass, which, as a cation composition contains at least P5 +, Al3 +, Ba2 + and R2 + R2 + is described from magnesium 2 +, Ca2 + and Sr2 + and Zn2 + more than one, as anion composition containing O2 - and F - at least, in the cation composition proportion, relative to the content of Al3 + Al3 + and the molar ratio of the total content of P5 + Al3 + / (Al3 + + P5 +) in the range of 0.56 ~ 0.56, relative to the content of Al3 + Ba2 + and the molar ratio of the total content of R2 + Al3 + / +) (Ba2 + + R2 more than 0.58, the total content of Ba2 + and Sr2 + relative to Ba2 + and the molar ratio of the total content of R2 + (Ba2 + + Sr2 +)/(Ba2 + + + R2) of 0.60 above, Li +, Na + and K + relative to the total content of Al3 + and the molar ratio of the total content of P5 + (Li++ Na++ K +)/(P5 + + Al3 +) less than 0.39, the range of the refractive index nd for more than 1.47 and 1.53 below, and the abbe number argument d range is 80 ~ 95.

Disclosed is a process for producing a conjugated diene polymer having a very high content of cis-1,4 structures by using an yttrium compound-containing catalyst that is relatively easy to handle and has a high activity. Specifically disclosed is a process for producing a conjugated diene polymer containing cis-1,4 structures at a ratio of 99% or higher, which is characterized by polymerizing a conjugated diene in the presence of a catalyst produced from (A) a specific yttrium compound, (B) an ionic compound consisting of a non-coordinating anion and a cation, and (C) an organoaluminum compound.

The invention discloses a preparation method of a porous carbon material based on an ionic heat process. The preparation method comprises the following steps: (1) adding a biological material into ionic liquid to form a mixed solution, wherein the ionic liquid consists of anions and cations, and the cations are one of formulas (I) to (IV); and (2) heating the solution to 140 to 260 DEG C, preserving heat for 10 to 48 hours, cooling and performing aftertreatment to obtain the porous carbon material. According to the preparation method of the porous carbon material based on the ionic heat process, the preparation process is simple, energy consumption is low, any severe conditions are not needed, products are easy to purify, the product structure is easy to adjust, and a great potential application value is achieved.

A carrier system for the delivery of therapeutic and/or diagnostic agents is described. The carrier system is comprised of ligands and a biodegradable polycation for complexing polyanionic molecules such as RNAi, said polycation forming a coating on the outer surface of anionic or neutral liposomes. Also disclosed is a method for using the composition to deliver to target cells and enhance cell membrane penetration of therapeutic and/or diagnostic agents.

A water- and oil-repellent, antistatic composition comprises (a) at least one nonpolymeric ionic salt consisting of (i) at least one cation selected from the group consisting of monovalent metal cations, divalent metal cations, and organic onium cations, and (ii) at least one weakly coordinating anion, the conjugate acid of the anion having an acidity greater than or equal to that of a hydrocarbon sulfonic acid, and with the proviso that the anion is organic or fluoroorganic when the cation is a metal; (b) at least one fluorochemical repellency-imparting additive or repellent; and (c) at least one insulating material. The composition exhibits good antistatic and repellency characteristics.

The invention relates to a lithium-sulfur battery. An electrolyte of the lithium-sulfur battery consists of solvent molecules, solute positive ions, and solute negative ions; the molar concentration of the solute in the electrolyte is 0.1-10M; the solute positive ions comprise one or more than two kinds of alkali metal positive ions, alkaline earth metal positive ions, quaternary ammonium ions, pyridinylamino ions, imidazolylamino ions, quaternary phosphonate positive ions, pyrimidinium positive ions, pyrazolium positive ions, pyridazinium positive ions, thiazolium positive ions, oxazolium positive ions, triazolium positive ions and phosphonium and ammonium positive ions, and the molar concentration of the solute positive ions is 0.1-10M. The charging process of the lithium-sulfur battery is opposite to that of a conventional lithium-sulfur battery, so that the problem that lithium polysulfide is dissolved into the electrolyte and diffused to a negative electrode is solved fundamentally; and the electrolyte is in a liquid state, so that the problem of electrode interface mass transfer existing in an all-solid-state electrolyte does not exist.

The invention belongs to the technical field of functional material synthesis, and particularly relates to a novel composite quaternary phosphonium salt with fluorescence performance. The novel composite quaternary phosphonium salt is a compound composed of tetrachloro-manganese anions and benzyl tri(4-methoxyl)phenyl phosphonium cations, the chemical structure is shown in a formula (I) (please see the specifications for the formula), the abbreviation is [BzT(4-MeO)PP]2[MnCl4], the novel composite quaternary phosphonium salt shows the good green fluorescence effect under ultraviolet irradiation, especially at 360 nm, has the high fluorescence effect, and is an optical material with excellent performance. The invention further provides a preparation method of the novel composite quaternaryphosphonium salt with the fluorescence performance. The method has the advantages of high yield, cost saving, easy operation and facilitating industrial production.

The invention discloses a method for preparing furfural through catalysis of ionic liquid, and relates to the field of furfural preparation. The method comprises the following steps: mixing carbohydrate, a composite solvent and an acid bifunctional ionic liquid catalyst; and carrying out catalytic reaction on the mixture at 120-200 DEG C for 60-300 minutes to synthesize furfural. The carbohydrate is monosaccharide, disaccharide, polysaccharide or biomass rich in pentose monomers; wherein the composite solvent is composed of water and a ketone organic solvent; the acid bifunctional ionic liquid catalyst is a compound composed of metal halide anions having Lewis acidity and imidazolyl cations having acidity. The reaction system is economical and environment-friendly, the operation conditions are mild, the complexity of the technology for preparing furfural from pentose monomer source carbohydrate is effectively simplified, and the furfural preparation cost is greatly reduced under the condition that the preparation efficiency is equivalent to that of the prior art.

A color correction material contains at least one type of cyanine compound composed of a cyanine cation represented by general formula (I) below (wherein the symbols are as defined in the description) and a q-valent anion represented by pAn^q− (wherein the symbols are as defined in the description), and at least one type of layered clay mineral; or a color correction material containing a clay mineral composite obtained by intercalating a cyanine cation represented by general formula (I) below, or preferably the cyanine cation and an organic cation, into a layered clay mineral. Also described is a film-forming composition containing the color correction material and an optical filter having a layer composed of the film-forming composition.

Ring A represents a benzene ring or a naphthalene ring; X represents CR³R⁴, NR⁵, an oxygen atom, a sulfur atom, or a selenium atom.

The invention relates to a solid-phase synthesis method of thymalfasin. The solid-phase synthesis method comprises the process steps: solid-phase linear synthesis of linear thymalfasin is carried out, a DMF solution of a salt composed of bulky anions and monovalence cations is used as a reaction solvent in a difficult sequence, hydrogen bond formation is interfered, and a beta structure of a peptide chain is destroyed. The process can overcome the polypeptide synthesized difficult sequence, improves the coupling rate of the difficult sequence so as to improve the yield of thymalfasin, reduces the production cost, and is beneficial for industrialized production.

A capillary electrophoresis separation test system applied to soil solution cation composition and concentration thereof. The invention is characterized in that the system contains imidazole of 5-10mM, the concentration of HIBA in a buffer solution is 8-9mM, the concentration of 18-crest-6 is 2-5mM, and the pH value of the test system is 3.5-4.0. The invention aims at providing the capillary electrophoresis separation test system for cation composition in soil in-situ solution. The test system focuses on optimizing the composition of buffer solution to be tested and formulation thereof, thus being widely applicable for fast test of soil solution, in particular for the test requirement featuring complex proportion of composition, unsuitable proportional absorption and higher concentration for partial composition.