433 results about "Amino functionalized" patented technology

An ink composition for ink jet printing contains an amino functionalized polyetheracrylate as radiation curable compound.

Methods for preparing cross-linked polysaccharide matrices by cross-linking one or more amino group containing polysaccharides or amino-functionalized polysaccharides with reducing sugars and/or reducing sugar derivatives. The resulting matrices may include polysaccharide matrices and composite cross-linked matrices including polysaccharides cross-linked with proteins and/or polypeptides. Additives and/or cells may also be included in or embedded within the matrices. Various different solvent systems and reducing sugar cross-linkers for performing the cross-linking are described. The resulting matrices exhibit various different physical, chemical and biological properties.

Disclosed are low temperature curable coating compositions, related coated substrates, methods for depositing a coating on a substrate and methods for refinishing the surface of an article, such as an automobile. The coating compositions include: (1) an aminofunctional silicon compound; (2) a polyether; and (3) a compound comprising functional groups reactive with the amino functionality of the aminofunctional silicon compound.

The present invention relates to an amino-functional polysiloxane of formula (1) where each R¹ is independently selected from alkyl or aryl radicals, each R² is independently selected from hydrogen, alkyl or aryl radicals, n is selected so that the molecular weight for the functional polysiloxane is in the range of from 400 to 10,000 and R³ is a bivalent radical or —O—R³—NH—R⁵ is hydroxy or alkoxy, and R⁵ is selected from hydrogen, aminoalkyl, aminoalkenyl, aminoaryl, aminocycloalkyl radical, optionally substituted by alkyl, aryl, cycloalkyl, halogen, hydroxy, alkoxy, thioalkyl, amino, amino derivatives, amido, amidoxy, nitro, cyano, keto, acyl derivatives, acyloxy derivatives, carboxy, ester, ether, esteroxy, heterocycle, alkenyl or alkynyl and where 0 to 90% of —O—R³—NH—R⁵ is hydroxy or alkoxy. The present invention further relates to an epoxy-polysiloxane composition which includes an aminopolysiloxane hardener component or an amino-functional polysiloxane hardener component of formula (1), having active hydrogens able to react with epoxy groups in an epoxy resin to form epoxy polymers, and able to react with a polysiloxane to form polysiloxane polymers, wherein the epoxy chain polymers and polysiloxane polymers polymerize to form a cured epoxy-polysiloxane polymer composition.

The invention relates to a polysiloxane coating composition belonging to a coating chemical manufacturing technology. The polysiloxane coating composition is obtained by reacting hydrogenated epoxide resin and amino-functionalized siloxane and combining acrylic resin with good coating performance and weatherability and polyetheramine resin with excellent flexibility and adhesion. The invention particularly relates to a polysiloxane coating composition applied to offshore oil platforms. The polysiloxane coating composition has weather-proof, water-proof and corrosion-resistant performances, good flexibility and excellent ply adhesion. The polysiloxane coating composition comprises the following ingredients of 12-50 of epoxide resin, 10-40 of acrylic resin, 0.5-1.5 of dispersant, 20-30 of titanium pigment, 5-25 of French chalk, 5-15 of mica powder, 0.5-1.5 of rheological agent, 0.5-2 of anti-settling agent, 2-10 of dimethyl benzene, 5-10 of butyl acetate, 15-40 of curing agent 1 and 5-25 of curing agent 2 according to the weight percent.

The conditioning performance of small particle size emulsified silicone in a surfactant-based shampoo composition can be significantly boosted by the inclusion in the shampoo composition of an amino functionalised silicone. Accordingly, the invention provides an aqueous shampoo composition comprising, in addition to water:i) at least one surfactant chosen from anionic, nonionic, zwitterionic or amphoteric surfactants or mixtures thereof;ii) an amino functionalised silicone; andiii) emulsified particles of an insoluble, non-amino functionalised silicone, in which the average silicone particle size of the emulsified non-amino functional silicone in the shampoo composition is less than 2 microns.

The disclosed invention is directed to pulp fibers suitable for forming a wet-laid paper product which include amino-functionality which is non-extractable in an aqueous phase. The pulp fibers may be prepared by applying an amino-functional additive to a fibrous web prior to the finishing operation at a pulp mill. The fibrous web may then be repulped at a papermaking machine to form a paper web which includes the amino-functionalized fibers of the present invention. A paper web formed of the amino-functionalized fibers may display unique and/or improved reactivity toward certain papermaking additives. For instance, the paper webs of the disclosed invention may show dry tensile strength increases of greater than 40% when treated with a permanent wet strength agent such as a polyamine epichlorohydrin wet strength agent, whereas a paper web which does not include the amino-functionalized fibers of the present invention may show less than a 20% increase in strength properties when treated with the same strength agents.

Provided are amino functionalized ORMOSIL nanoparticles. Also provided are compositions comprising such particles and compositions in which the nanoparticles are complexed to polynucleotides. The complexing of polynucleotides to the amino functionalized ORMOSIL nanoparticles protects the polynucleotides from environmental damage. These complexes can be used for delivery of polynucleotides to cells.

The invention relates to a method for performing amino functionalizing on a carbon fiber surface. The method comprises the steps that the fiber surface is coated with a copolymer coating containing a large amount of active amino by utilizing a Michael addition and Schiff base reaction of dopamine and poly-amino molecules through a one-step solution dipping method. Compared with the prior art, the method is simple in technology and mild in condition, does not damage a fiber body structure and can effectively increase active groups of the carbon fiber surface, and therefore the interface bonding property between fiber and resin is improved.

Anionic polymerization initiators useful in the preparation of polymers having a protected amine functional group. The amine functionality is part of a heterocyclic radical and includes a protecting group.

The invention relates to a mesoporous nano silicon ball compound targeting drug delivery system as well as a preparation method and application thereof. The preparation method of the mesoporous nano silicon ball compound targeting drug delivery system comprises the following steps: 1) preparing amino-functionalized drug loading mesoporous silicon dioxide microspheres; 2) preparing hyaluronic acid-hydrosulphonyl polypeptide-adriamycin (HA-RGD-DOX); 3) preparing mesoporous microsphere-hyaluronic acid-hydrosulphonyl polypeptide-adriamycin--paclitaxel (MSNs-HA-RGD-DOX_PTX); and 4) preparing fluorescent marker modified mesoporous microsphere-hyaluronic acid-hydrosulphonyl polypeptide-adriamycin--paclitaxel compound (MSNs-HA-RGD-DOX-PTX). The mesoporous nano silicon ball compound targeting drug delivery system has the beneficial effects that firstly multi-targeting synergistic drug delivery is realized, multiple tumour cells and tissues can be killed, and reversal drug resistance is good; secondly, blood stability is excellent; thirdly, invisibility, drug release degree and controlled release properties are good; fourthly, in vivo tracing function is good; and fifthly, the mesoporous nano silicon ball compound targeting drug delivery system has good general applicability.

The invention relates to a sample pretreatment method for tea leaf pesticide residue detection. The invention relates to a tea leaf purification adsorbing material, which is used for adsorbing main matrices of tea leaf samples in the sample pretreatment process for tea leaf pesticide residue detection. The tea leaf purification adsorbing material is characterized in that the tea leaf purification adsorbing material comprises a carbon material, an amino functionalized absorbing material and a polar functional group modified high polymer material. The invention additionally provides a tea leaf purification column. The tea leaf purification column comprises a column pipe and fillers in the column pipe, wherein the fillers are the tea leaf purification absorbing materials. The sample pretreatment method and the tea leaf purification column can be used for the detection of pesticide residues in all kinds of tea leaf raw materials, tea leaf finished products, tea leaf secondary processed products and the like.

Hair treatment agents include selected aminofunctional silicones and a selected cationic keratin hydrolysate.

The invention relates to a styrene epoxidizing catalyst which is prepared from Co<2+> as an active component by using an amino functionalized mesoporous molecular sieve SBA-15 to absorb Co<2+> through the ion absorption method, wherein the loading capacity of Co is 0.3-2 wt%, and the rest part is the amino functionalized mesoporous molecular sieve SBA-15. The catalyst is prepared by using an immersion method. The application of the catalyst comprises the following steps of: adding styrene, the catalyst and a solvent into an agitating kettle; introducing oxygen or air, and reacting under agitation and reaction temperature; separating out the solid catalyst, and rectifying the liquid to separate out epoxy phenylethane, the solvent and other side products. The invention has the advantages of good catalyst reaction activity, high selectivity, environmental-friendly and cheap oxidizing agent, mild reaction conditions and easy separation of the catalyst and the products.

The invention discloses an ionic liquid modified positively charged composite nanofiltration membrane and a preparation method thereof. The preparation method comprises the following steps: on a supporting bottom film, firstly, carrying out interfacial polymerization on polyamine and polyacyl chloride to form a primary polyamide layer, and then carrying out an amidation reaction on acyl chloride groups remaining on the surface of the primary polyamide layer and amino functionalized ionic liquid to prepare the composite film. The preparation method comprises the following steps: (1) preparing apolyamine aqueous phase solution and a polyacyl chloride organic phase solution; (2) carrying out interfacial polymerization on the surface of the bottom film to prepare a primary polyamide nanofiltration membrane; and (3) reacting the amino-functionalized ionic liquid solution with acyl chloride groups on the surface of the primary polyamide layer, and carrying out heat treatment to obtain the positively charged composite nanofiltration membrane. By changing the charge property of the composite membrane, lithium resources in the salt lake brine with a high magnesium-lithium ratio can be effectively extracted, the magnesium-lithium separation factor of the composite membrane is lower than 0.15, and the flux is 40-50L/m<2>h. The method has the advantages that the preparation method is simple, and the method has a good industrial application prospect in the aspect of salt lake lithium extraction.

Novel phosphoramidate derivatives of hydroxy functional or amino functional compounds, including amino acids, peptides, peptidomimetics and nucleotide analogs, are described. The compounds enable enhanced intracellular delivery of drugs as their corresponding phosphate esters or amides. Described phosphoramidate compounds exhibit antiproliferative activity. Pharmaceutical formulations are provided for treatment of cancers.

The invention relates to a catalyst of a basic ionic liquid immobilized on metal-organic frameworks and a preparation method thereof and belongs to the field of catalyst preparation technology and application. Through chemical anchoring post-synthetic modification, an amino-functionalized imidazolyl basic ionic liquid Amim-OH is introduced into nanocavities of MOFs; by chemical bonds between amino group and metal nonsaturated vacancy, an Amim-OH ionic liquid catalyst is immobilized so as to prepare a novel basic ionic liquid immobilized catalyst. The basic heterogeneous catalyst shows excellent catalytic performance and reusability in a Knoevenagel condensation reaction.

Methods for treating fibers are disclosed with aqueous silicone emulsions comprising: A) an aminofunctional organopolysiloxane, B) a quaternary ammonium surfactant having a formula R¹R²R³R⁴N+ X−, where R¹ is an organofunctional group containing at least 10 carbon atoms, R² is R¹ or a hydrocarbyl containing 1 to 12 carbon atoms, R³ is R¹, R₂, or an alcohol group containing 2 to 10 carbon atoms, R⁴ is R¹, R², or R³, X″ is a halide, sulfate, sulfonate, methosulfate, or ethosulfate, C) a nonionic surfactant, where the aqueous silicone emulsion contains less than 0.2 weight % of D4 and D5 cyclic siloxanes.

The invention belongs to the technical field of a membrane, and particularly relates to an amino-functionalized polymer hybrid proton exchange membrane with a modified rod-shaped metal organic framework and a preparation method of the polymer hybrid proton exchange membrane. The preparation method comprises the steps of firstly, preparing an amino-functionalized rod-shaped metal organic framework (R-MOF-NH2); and finally, doping the amino-functionalized rod-shaped metal organic framework (R-MOF-NH2) into a polymer to obtain the amino-functionalized polymer hybrid proton exchange membrane with the modified rod-shaped metal organic framework. The proton exchange membrane has excellent proton conductivity under a high-humidity or low-humidity condition, and meanwhile, the proton exchange membrane is low in methanol permeability and extremely good in application stability. The method has the advantages of simple operation step, moderate preparation condition and relatively low production cost and has favorable industrial production basis and wide application prospect, and mass production on a large scale is facilitated.

The invention relates to aqueous coating compositions for producing primer and/or filler layers in a multi-layer coating, in particular in vehicle coating, comprising the following components: A) at least one water-dilutable epoxy resin, B) at least one polyamine curing agent, C) optionally, at least one water-dilutable polyurethane resin, D) water and E) optionally, pigments, fillers, conventional paint additives and/or organic solvents, wherein the polyamine curing agent B) comprises: B1) 5-95% by weight of at least one amino functional compound with at least two secondary and/or primary amino groups and B2) 95-5% by weight of at least one water-dilutable (meth)acrylic copolymer, wherein the percentages by weight of components B1) and B2) are based on the solids and add up to 100% by weight.

The invention relates to an amino-functionalized organic siloxane aquiferous composite, a preparation method and an application thereof. The aquiferous composite is basically based on amino-functionalized water-soluble organic siloxane of Formula I, VIII and/or IX. The organic siloxane has chain-shaped, ring-shaped and/or cross-linking structural units. The structural units are based on various substituted alkoxy silane, for example, amino-, perfluoroalkyl-, alkyl-, aryl-, alkenyl- or hydrogen functionalized single-, two and/or three alkoxy silane. In addition, the invention also discloses the method for preparing the composite and the application thereof. R<4>O[(A)Si(R<1>)z(OR<2>)1-zO]a[Si(B)(R<3>)y (OR<4>)1-yO]b[Si(C)(R<5>)O]c [Si(D)(OR<9*>)O]d[Si(E)(R<1*>)z* (OR<2*>)1-z*O] uR<4> question mark (HX)e (I), [A SiO1.5] (HX)e(VIII) and/or [SiO1.5A SiO1.5] (HX)e (IX).