21 results about "Counterion" patented technology

A uranium-based phosphor selected from (i) phosphors having formula I or II:where the phosphor having formula I or II is doped with an activator ion including Pr3+, Sm3+, or mixtures thereof, where 0≤a≤1, 0≤b≤1, 0.75≤x≤1.25, 0.75≤y≤1.25, 0.75≤z≤1.25, 2.5≤p≤3.5, 1.75≤q≤2.25, and 3.5≤r≤4.5; (ii) a phosphor having formula I or II, where the phosphor having formula I or II is doped with an activator ion selected from Eu3+, Pr3+, Sm3+, and mixtures thereof; and a counter ion comprising one or more alkali metal ions; and (iii) phosphors having formula IIIwhere the phosphors having formula III are doped with an activator ion selected from: Eu3+, Pr3+, Sm3+, and mixtures thereof, where A is Li, Na, K, Rb, Cs, or a combination thereof.

This application relates to the field of metal-organic framework material preparation technology, and provides a metal element-doped metal-organic composite and its preparation method. The molecular formula of the metal element-doped metal-organic composite is M. a Zr6O m (OH) n (OL) 6‑(x+y) / 2 (sol) x (blank) y N b , 0.01≤a≤2.3, 4≤m≤6, 0≤n≤4, 0.09≤x≤0.92, 1.8≤y≤6.02, 0.905≤b≤9.24; M is a metallic element, including at least one of Li, Na, K, Ca, Mg, Cu, Co, Ni, Fe, Cr, Zn, and Mn; OL is a dicarboxylic acid conjugated organic ligand; sol includes acetate, formate, and CH3(CH2). p COO ‑ At least one of the following, 1≤p≤6, blank is a ligand vacancy, and N is a counter ion.

The invention relates to the technical field of metal organic framework material preparation, and provides a metal organic compound and a preparation method thereof.The molecular formula of the metal organic compound is Zr6Om (OH) n (OL) 6-(x + y) / 2 (sol) x (blank) yNb, m is larger than or equal to 4 and smaller than or equal to 6, n is larger than or equal to 0 and smaller than or equal to 4, x is larger than or equal to 0.09 and smaller than or equal to 0.92, y is larger than or equal to 1.8 and smaller than or equal to 6.02, and b is larger than or equal to 0.9 and smaller than or equal to 6.94; wherein OL is a dicarboxyl conjugated organic ligand, sol comprises at least one of acetate, formate and CH3 (CH2) pCOO-, p is greater than or equal to 1 and less than or equal to 6, bank is a ligand vacancy, and N is a counter ion; the unsaturated coordination defect rate of the metal organic compound is 15%-50.1%.

A method for forming a biocidal film, comprising the steps of: forming a solution comprising a protonated polyalkylenimine, free chloride ions, and chloride counterions; removing at least fifty percent of the free chloride ions from the solution via density separation to yield a residual chloride concentration; reducing the residual chloride concentration by at least fifty percent with an anion exchange material; decreasing a percentage of protonated sites of the polyalkylenimine associated with the chloride counterions through addition of an organic acid to the solution; and forming, from the solution, the film with properties of: inactivating at least 99 percent of a first bacteria making contact with the film within one hour; and deactivating at least 99 percent of second bacteria within one hour, the second bacteria contacting the film at least one day later.

Compounds of Formula (I) are described, in which: R1 to R6 are each, independently, selected from H, Z1-PEG and Z2-A-Mn+; Z1 and Z2 are each, independently, a linker; A is selected from the group consisting of a carboxylate group, a hydroxymate group, or a hydrazine group (C(O)NH-NH2); Mn+ is a metal ion selected from Zn2+, Sn2+, Cu2+, Cu+, Cd2+, Cr2+, Cr3+, Pt2+, Pt4+, Ni2+ Pb2+, Pd, Ru2+, Rd, Au+, Au3+ Ag+, Mn2+, Hg2+, Co+, Co2+, Co3+ Fe2+, or Fe3+ in which the metal ion is coordinated to one of more ligands to complete its coordination sphere; P+ designates the charge on the complex ion which may be positive, negative, or absent; and B is a counterion; in which one of R1 and R2 is one of Z1-PEG and Z2-A-Mn+ and one of R3, R4, R5, or R6 is another of Z1-PEG and Z2-A-Mn+.

Compounds are presented having the formula [M4L6]·Xn, where M is a transition metal ion having 6 d-shell valence electrons, X is a counter ion and n is the number of counterions such that the total charge of the compound of formula (I) is zero, and wherein L is a 5-(5-bipyridin-2,2′-yl)-2,2′-bipyridine or derivative thereof. Methods of preparing the compounds and uses of the compounds to retain radiolabels are also presented.

A process for deprotecting an organic compound is described, involving the use of an acid to remove an acid-labile protecting group, and a cation scavenger to react with the protecting group once it has been removed. Also described are cation scavengers suitable for use in the processes described herein, as well as a method for preparing a defined monomer sequence polymer. The cation scavenger has the following Formula I: A-B-C−D+ wherein A is a group capable of forming a covalent bond with the acid-labile protecting group once removed from the organic compound; B is absent or is a linking moiety; C− is a negatively charged group; and D+ is a counter ion.

A method for forming a film, comprising the steps of: providing a solution comprising a polyalkylenimine, chloride counterions to protonated sites on the polyalkylenimine, and chloride ions; exchanging bound hydroxide anions from an anion exchange material for the chloride ions yielding released hydroxide anions; increasing pH of the solution, without a correlated sodium ion increase, through reaction of protons in the solution with the released hydroxide anions from the anion exchange material, which partially deprotonates the polyalkylenimine; repeating the steps of exchanging, increasing, and deprotonating until the pH of the solution increases to greater than three; and forming the film from the solution, the film comprising a thickness in a range of 0.1 to 10 μm with a charge density, of protonated sites of the film, of greater than 300 C / in3, the protonated sites associated with counteranions.

A method for forming a biocidal film, comprising the steps of: forming a solution comprising a protonated polyalkylenimine, free chloride ions, and chloride counterions; removing at least fifty percent of the free chloride ions from the solution via density separation to yield a residual chloride concentration; reducing the residual chloride concentration by at least fifty percent with an anion exchange material; decreasing a percentage of protonated sites of the polyalkylenimine associated with the chloride counterions through addition of an organic acid to the solution; and forming, from the solution, the film with properties of: inactivating at least 99 percent of a first bacteria making contact with the film within one hour; and deactivating at least 99 percent of second bacteria within one hour, the second bacteria contacting the film at least one day later.

Electrophoretic media are disclosed containing a plurality of charged pigment particles, a charge control agent, and a non-polar liquid. The charge control agents has a molecular structure comprising a quaternary ammonium functional group or an imidazolium cation, a hydrophobic tail, and a counter ion, the counter ion being an anion, the anion being a conjugate base of an acid, the acid having pKa of less than or equal to −2.5.

An antimicrobial compound according to formula (I) is disclosed: wherein R is H, -OH, -CH 2 CH 3 , -(CH 2 ) 2 CH 3 , -(CH 2 ) 3 CH 3 or -(CH 2 ) 2 OCH 3 ; and X is a negative counterion, namely bromide ion, chloride ion, fluoride ion or phosphate group. The disclosed compounds can be used to form compositions and articles resistant to microbial contamination.

The present invention discloses a novel aqueous composition for use in removing mixed sulfate scale from a surface contaminated with such, said composition comprising: a chelating agent and a counterion component selected from the group consisting of: Li5DTPA; Na5DTPA; K5DTPA; Cs5DTPA; Na4EDTA; K4EDTA; TEAH4DTPA; and TBAH5DTPA; a dissolution enhancer; optionally a compound such as sodium gluconate or the like and a carboxyl-containing fructan such as carboxymethyl inulin. There is also disclosed methods to use such compositions.

The present invention relates to a latex particle comprising at least one positively charged counter ion on the surface thereof, the use of the latex particle in a coating and / or a printing ink, a coating comprising the latex particle, a printing ink comprising the article, the use of specific positively charged ions in a coating and / or in printing, and a printing method wherein these specific ions are used.

The invention discloses an anti-aromatic metal organic cage material as well as a preparation method and application thereof, and belongs to the field of metal organic materials, the expression of the anti-aromatic metal organic cage material is [Zn2n ((R1) 2-Ph2-p-(R2) 2-DBP) 3n] (X) 4n or [Zn2n ((R1) 2-Ph2-o-(R2) 2-DBP) 3n] (X) 4n, p-(R2) 2-DBP and o-(R2) 2-DBP respectively represent dibenzocyclopentadiene of which the benzo position substitutes different groups in para-position and ortho-position on DBP, x is a counter ion, R1 is selected from H, F, Cl, Br, I or methoxyl, R2 is selected from methyl, phenyl, isopropyl or cyclohexyl, n is 1 or 2, and each Zn is connected with 6 N through coordinate bonds; the anti-aromatic metal organic cage material can be used for fullerene enrichment, separation and purification, and can also be used for selective photocatalytic oxidation of thioether into sulfoxide.

Electrophoretic media are disclosed containing a plurality of charged pigment particles, a charge control agent, and a non-polar liquid. The charge control agents has a molecular structure comprising a quaternary ammonium functional group or an imidazolium cation, a hydrophobic tail, and a counter ion, the counter ion being an anion, the anion being a conjugate base of an acid, the acid having pKa of less than or equal to -2.5.

The present invention provides a material comprising (i) a crown ether of formula (I) and / or (ii) a crown ether of formula (II), or a salt thereof, wherein each m is independently an integer from 1 to 8, each (A) represents an optionally present bond and / or structure, and each X is independently selected from the group consisting of -N(R1), -N * (R1), -N ** , -N * (R1)2 + Z - , or -N ** (R1) + Z - with the proviso that at least one X is -N * (R1), -N ** , -N * (R1)2 + Z - , or -N ** (R1) + Z - and each R is independently hydrogen or C 1~6 alkyl, and each Z is optionally present and independently a counterion to balance the charge on the nitrogen; * represents the bond to the remainder of the substance, methods of making the substance, and methods of using the substance are provided. [Formula 1] JPEG2025535518000064.jpg130149

Electrophoretic media are disclosed containing a plurality of charged pigment particles, a charge control agent, and a non-polar liquid. The charge control agent (CCA) has a molecular structure comprising a quaternary ammonium functional group or an imidazolium cation, a hydrophobic tail, and a counter ion, the counter ion being an anion, the anion being a conjugate base of an acid, the acid having pKa of less than or equal to -2.5. The charge control agent (CCA) has the following formula IX, wherein R11 is a hydrophobic moiety comprising a functional group selected from the group consisting of poly(hydroxystearic acid), poly(ricinoleic acid), and poly(isobutylene), and wherein the counter ion is trifluoromethanesulfonate.

The invention relates to the technical field of metal organic framework material preparation, and provides a metal element doped metal organic compound and a preparation method thereof, the molecular formula of the metal element doped metal organic compound is MaZr6Om (OH) n (OL) 6-(x + y) / 2 (sol) x (blank) yNb, 0.01 < = a < = 2.3, 4 < = m < = 6, 0 < = n < = 4, 0.09 < = x < = 0.92, 1.8 < = y < = 6.02, and 0.905 < = b < = 9.24; m is a metal element, the metal element comprises at least one of Li, Na, K, Ca, Mg, Cu, Co, Ni, Fe, Cr, Zn and Mn, OL is a dicarboxyl conjugated organic ligand, sol comprises at least one of acetate, formate and CH3 (CH2) pCOO-, p is greater than or equal to 1 and less than or equal to 6, blank is a ligand vacancy, and N is a counter ion.

A composition of matter having a porous cross-linked polymer network, quaternary ammonium ions in the cross-linked polymer network, and at least one counter ion in the cross-linked polymer network that is at least one of hydroxide or a counter ion capable of forming hydroxide upon reaction with water. A method to produce a porous material includes polymerizing a compound containing quaternary ammonium and a cross-linker using controlled polymerization and ion exchange in the presence of at least one of hydroxide or a counter ion capable of forming hydroxide upon reaction with water. A method to capture CO2, includes employing a sorbent comprising a quaternary ammonium ions in a porous cross-linked polymer network in an environment to adsorb CO2.

The present invention provides an electrically conducting metal phenolic network (MPN) comprising (i) metal cations coordinated by deprotonated polyphenol, wherein the metal cations are cations of the same metal element in different oxidation states, or are cations of different metal elements, and (ii) a counter-ion.

The present invention discloses a highly luminescent star-shaped tetranuclear ruthenium complex and its preparation method and application, belonging to the technical field of synthesis methods of tetranuclear ruthenium complexes. The star-shaped tetranuclear ruthenium complex has the chemical formula [Ru(RuL)3]X4 or [Ru(LRu)3]X4, wherein X is a counter ion, and the counter ion is PF6 ‑ 、Cl ‑ 、ClO4 ‑ 、NO3 ‑ 、BF4 ‑ and CF3SO3 ‑ The present invention provides a method for preparing a highly luminescent star-shaped tetranuclear ruthenium complex. The prepared star-shaped tetranuclear ruthenium complex is dissolved in an acetonitrile solution, and the ultraviolet-visible absorption spectrum and fluorescence emission spectrum of the tetranuclear complex are measured to obtain the relative fluorescence quantum efficiency. The present invention assembles a novel tetranuclear metal Ru by bridging ligands. II The complex is a new type of luminescent material and can be used as a fluorescent probe.