46 results about "Organic linking" patented technology

An isoreticular metal-organic framework (IRMOF) and method for systematically forming the same. The method comprises the steps of dissolving at least one source of metal cations and at least one organic linking compound in a solvent to form a solution; and crystallizing the solution under predetermined conditions to form a predetermined IRMOF. At least one of functionality, dimension, pore size and free volume of the IRMOF is substantially determined by the organic linking compound.

It is an object of the present invention to provide a material for electrolytic solutions suited for use as material in electrolytic solutions serving as ionic conductors in electrochemical devices, such as large-capacity cells or batteries. The present invention is related to a material for electrolytic solutions which comprises, as an essential constituent, an anion represented by the general formula (1): wherein X represents at least one element selected from among B, N, O, Al, Si, P, S, As and Se; M<1 >and M<2 >are the same or different and each represents an organic linking group; a is an integer of not less than 1, and b, c and d each independently is an integer of not less than 0.

The present invention relates to a new class of surface modified particles and to a multi-step surface modification process for the preparation of the same. The multi-step surface functionalization process involves two or more reactions to produce particles that are compatible with various host systems and / or to provide the particles with particular chemical reactivities. The initial step comprises the attachment of a small organic compound to the surface of the inorganic particle. The subsequent steps attach additional compounds to the previously attached organic compounds through organic linking groups.

Fluorochemical composition for rendering fibrous substrates oil repellent, water repellent, and / or stain or soil repellent. The composition comprises a dispersion or a solution of a fluorinated compound which comprises the reaction product of the following combination of reactants: (i) a fluorinated polyether according to the formula: Rf-Q-Tk (I) wherein Rf represents a monovalent perfluorinated polyether group having a molecular weight of at least 750 g / mol, Q represents a chemical bond or a divalent or trivalent organic linking group, T represents a functional group capable of reacting with an isocyanate and k is 1 or 2; (ii) an isocyanate component selected from a polyisocyanate compound that has at least 3 isocyanate groups or a mixture of polyisocyanate compounds wherein the average number of isocyanate groups per molecule is more than 2; and (iii) optionally one or more co-reactants capable of reacting with an isocyanate group.

Tagged scale-inhibiting polymers, compositions comprised thereof and preventing or controlling scale formation therewith, the tagging units being units deriving from a monomer having the formula X2C═CYY′ wherein X is a hydrogen atom, or a C1-C4 alkyl radical, Y is a hydrogen atom or a C1-C4 alkyl radical, Y′ is a radical having formula -L-Arom, wherein L is a covalent bond or a divalent organic linking group optionally comprising heteroatoms, and Arom is a group comprising at least two conjugated aromatic rings, said rings comprising conjugated carbon atoms, and, linked to said carbon atoms, hydrogen atoms or other substituents.

The invention includes a radionuclide generator having an ion exchange sorbent that comprises oxygen-containing functional groups grafted by organic linking groups to an inorganic oxygen-linked network and a parent isotope. For 212Bi or 213Bi generators, the parent isotope may be 224Ra, 225Ra or 225Ac. The surface area of the sorbent is preferably less than about 10 m2 / g and more preferably less than about 1 m2 / g. The exchange sorbent may be formed of any covalently bonded inorganic oxide that is capable of forming oxygen-linked networks. The oxidized functional groups may include sulfonato groups, may include moieties selected from —SO3H, —SO3Na, —SO3K, —SO3Li, —SO3NH4 or may include moieties selected from —PO(OX)2 or —COOX, wherein X is selected from H, Na, K or NH4 or combinations thereof. A 213Bi or 212Bi generator process includes eluting 213Bi or 212Bi with an aqueous solvent that includes 225Ac or 225Ra or 224Ra on the above support medium.

A pigment-dispersed composition includes (a) a high-molecular compound containing at least one kind of repeating unit selected from repeating units each represented by the following Formula (I) or (II), (b) a pigment, and (c) an organic solvent, wherein, in Formulae (I) and (II), R1 to R6 each represent a hydrogen atom or another group; X1 and X2 each represent —CO—, —C(═O)O—, —CONH—, —OC(═O)—, or a phenylene group; L1 and L2 each represent a single bond or a divalent organic linking group; A1 and A2 each represent a monovalent organic group; m and n each represent an integer of from 2 to 8; and p and q each represent an integer of from 1 to 100. Also disclosed is a pigment-dispersed composition containing (A) a graft high-molecular polymer in which acrylic acid is copolymerized at a proportion of from 5% by mass to 30% by mass in the main chain thereof, (B) a pigment, and (C) an organic solvent.

The invention relates to the field of chemical engineering, and specifically relates to cerium oxide composite particles, as well as a preparation method and application thereof. The preparation method of the cerium oxide composite particles, provided by the invention, comprises the steps of mixing an inorganic particle dispersion solution with an organic linking agent, then adding cerium salt and a precipitating agent, and uniformly stirring to obtain a mixed dispersion solution; transferring the dispersion solution prepared in the previous step into a closed high-pressure reaction kettle, and heating for reaction to obtain a reaction product; centrifuging the reaction product, taking a precipitate, and washing with water for a plurality of times to obtain the cerium oxide composite particles. According to the preparation method provided by the invention, inner cores of inorganic particles and cerium oxide nano-particles are combined through the organic linking agent to form the composite particles, and good crystallinity of cerium oxide is promoted by high-temperature water heat.

The invention discloses a modified polyurethane water-proof anticorrosive surface treating agent and a preparation method as well as application thereof, and belongs to the field of organic macromolecular composite materials. The treating agent has a structural formula of [(RO)3Si-CH2CH2CH2]a-PU-[X-Rf]b, wherein PU is polysiloxane type polyurethane; Rf is a perfluoroalkyl chain segment with 4-6 carbon atoms; X is a bivalent organic linking group; R is methyl or ethyl group; a is equal to 0-6; and b is equal to 1-6. The preparation method comprises the following steps of: reacting polyisocyanate with double-carbon hydroxyl end blocked polysiloxane in an organic solvent to generate NCO-end blocked prepolymer under the action of a polymerization catalyst; and performing chain extension and then performing end blocking reaction with perfluoroalkyl alcohol with fluorocarbon chain length of 4-6 and silane coupling agent to obtain the surface treating agent. The treating agent is used for water-proof anticorrosive treatment of various underwater buildings, oversea bridges, submarine bearing platforms and various ships and warships, and has superior permeability, weather resistance and stable water-proof anticorrosive performance.

Fluorochemical composition for rendering fibrous substrates oil repellent, water repellent, and / or stain or soil repellent. The composition comprises a dispersion or a solution of a fluorinated compound which comprises the reaction product of the following:(i) one or more fluorinated polyethers according to the formula:RfQTk  (I)wherein Rf represents a monovalent perfluorinated polyether group having a number average molecular weight of at least 750 g / mol, Q represents a chemical bond or a divalent or trivalent organic linking group, T represents a functional group capable of reacting with an isocyanate, and k is 1 or 2;(ii) one or more polyoxyalkylene diols;(iii) one or more short chain perfluoroalkyl alcohols;(iv) one or more isocyanate component selected from a polyisocyanate compound that has at least 3 isocyanate groups or a mixture of polyisocyanate compounds wherein the average number of isocyanate groups per molecule is more than 2;(v) optionally one or more isocyanate blocking groups; and(vi) optionally one or more co-reactants capable of reacting with an isocyanate group.Also, a method of applying such composition to substrates, e.g., fibrous substrates.

A quantum dot-containing composition including a quantum dot; and a ligand having a coordinating group coordinated with a surface of the quantum dot, in which the ligand is represented by Formula I. In Formula I, A is an organic group including one or more coordinating groups selected from an amino group, a carboxy group, a mercapto group, a phosphine group, and a phosphine oxide group, Z is an (n+m+l)-valent organic linking group, R is a group including an alkyl group, an alkenyl group, or an alkynyl group each of which may have a substituent, Y is a group having a polymer chain which has a degree of polymerization of 3 or greater and which includes a polyacrylate skeleton or the like. n and m are each independently the number of 1 or greater, l is the number of 0 or greater, and n+m+l is an integer of 3 or greater.

Metal compound chemically anchored colloidal particles wherein the metal compound is in molecular form are disclosed. A facile and fast process to chemically anchor metal compounds uniformly onto colloidal particle surfaces via chemical bonding has been developed. Metal compounds are chemically anchored to the surface of colloidal particles via an organic linking agent. Uniformly distributed metal compounds remain in molecular form after the process. The metal compound chemically anchored colloidal particles can be used as solid catalyst in metal chemical-mechanical planarization process.

A curable composition of the present invention includes resin-coated inorganic fine particles. The resin-coated inorganic fine particles may be formed by surface-modifying inorganic fine particles with a silane coupling agent containing an organic linking chain formed of a mercapto group, a hydroxyl group, an amino group, an isocyanato group, or a glycidyl group and then coating the surface-modified inorganic fine particles with a thermoplastic resin.

An inorganic layer structure is provided. The inorganic layer structure includes a metal oxide, and an organic linking material including a linking atom bonded to a metal atom of the metal oxide.

The present invention provides a pigment disperse combination, a coloring photosensitive combination, a color filter, a liquid crystal display element and a solid camera shooting element; the pigmentdisperse combination is capable of dispersing minute pigment in a manner of one particle, has an excellent disperse stability and may be formed coloring tunica with an excellent contrast grade; the coloring photosensitive combination contains the pigment disperse combination, has an excellent curing sensitivity, and may be formed high strength coloring curing membrane with an excellent contrast grade. The pigment disperse combination of the invention is characterized in that the pigment disperse combination contains (a) a high molecular compound, (b) a pigment and (c) an organic solvent, the high molecular compound contains at least one repetitive unit of repetitive units represented by formula (I) and formula (II), in the formula (I) and (II), R<1>-R<6> represent hydrogen atom and the like, X<1> and X<2> represent -CO- and the like, L<1> and L<2> represent two-valency organic linking groups and the like, Y<1> represents an oxygen atom and the like, Y<2> represents -C(=O)O- and the like, Z<1> and Z<2> represent groups containing a C-C double bond, m and n represent integers from 2 to 8, and p and q represent integers from 1 to 100.

The invention discloses a surface treatment composition containing fluorinated polyether siloxane. The composition comprises: (1) 70-99.99 parts by mass of fluorinated polyether siloxane which is represented by general formulae (A) and (B): (R<f>)[alpha]-M-(S)[beta] (A), (S)[beta]-M-(R<f>)-M-(S)[beta] (B), R<f> is a monovalent or divalent polyfluoropolyether group, M is a covalent bond or at leastdivalent organic linking group, S is a silyl group containing a hydroxyl group or a hydrolysable group, alpha and beta are both an integer of 1-10, and the sum of alpha and beta is smaller than or equal to 10, and the fluorinated polyether siloxane represented by the formula (B) in the fluorinated polyether siloxane at most accounts for 35% of the total mass of the fluorinated polyether siloxane;and (2) 0.01-30 parts by mass of a silane compound simultaneously containing an amino group and a hydroxyl group or a hydrolysable group. An antifouling coating prepared from the composition is excellent in antifouling property and wear resistance, can be cured at room temperature, and is good in smoothness and excellent in hand feeling.

The invention discloses an aromatic amine functionalized metal-organic framework material based on fluorescence for detection of lactose molecules and a preparation method of the metal-organic framework material. The metal-organic framework material is prepared by a hydrothermal reaction with metal ion Co2+ as a node, and 3,3'-((3,4-dioxo-1-ene-1,2-diyl)bis(azanediyl)) benzoic acid and 4,4'-bipyridyl as organic linking ligands; a chemical formula of the material is: [Mm(L1)n(L2)p.(H2O)q], wherein L1 is H2dbda, L2 is bpy, M is the metal ion Co2+, m=1, n=1, p=1, and q=1; the material provided bythe invention has high selectivity for detection of lactose molecules in common monosaccharide and disaccharide molecules, and can be used for detecting lactose molecules in liquid milk; the preparation process of the material is simple, environmentally friendly, low in cost, and easy to be prepared on a large scale.

A process for selectively making 2-alkenes from a NAO using a mesoporous catalyst that has been surface modified with a Brönsted acid compound. The Brönsted acid compound has a reactive silane connector, an organic linking group, and a Brönsted acid group. The mesoporous catalyst has an average pore diameter in a range of about 12 to about 100 Angstroms and a surface area of between about 400 to about 1400 m2 / gram.

A quantum dot-containing composition includes a quantum dot, a ligand having coordinating groups, which coordinates to the surface of the quantum dots, and the ligand is represented by Formula I.In Formula I, A is an organic group including one or more coordinating groups selected from an amino group, a carboxy group, a mercapto group, a phosphine group, and a phosphine oxide group, Z is an (n+m+l)-valent organic linking group, R is a group including an alkyl group, an alkenyl group, or an alkynyl group each of which may have a substituent, Y is a group having a polymer chain which has a degree of polymerization of 3 or greater and which includes a polyacrylate skeleton or the like. n and m are each independently 1 or greater, l is 0 or greater, and n+m+l is integer 3 or greater. At least two coordinating groups are included in a molecule.