44 results about "Aminoethyl methacrylate" patented technology

A composition comprised of a core and thereover a polymer of (1) polystyrene/alkyl methacrylate/dialkylaminoethyl methacrylate, (2) polystyrene/alkyl methacrylate/alkyl hydrogen aminoethyl methacrylate, (3) polystyrene/alkyl acrylate/dialkylaminoethyl methacrylate, or (4) polystyrene/alkyl acrylate/alkyl hydrogen aminoethyl methacrylate.

The invention discloses a triblock polymer with a multi-response property for temperature and carbon dioxide. The polymer is methoxy polyethylene glycol-b-polyethylmethacrylate dimethyl betaine-b-poly dimethyl aminoethyl methacrylate; bromine-terminated methoxy polyethylene glycol serves as a macro-molecule initiator, and the triblock polymer is synthesized through an atom transfer radical polymerization reaction. The method is mild in reaction conditions, simple in operation and high in product yield; compared with an ordinary free radical polymerization reaction, the molecular structures of products are more regular, the molecular weight is controllable, and the distribution is narrower. The polymer disclosed by the invention contains a non-ionic polymer block (MPEG), a cationic polymer block (PDMAEMA) and a zwitterionic polymer block (PSBMA) at the same time, has good biocompatibility and biological fouling resistance, has the multi-response property for the temperature and the carbon dioxide in solution, and can serve as a carrier to realize load, transmission and target control release for medicine.

The invention discloses an amphiphilic polymer chain-containing neoprene latex adhesion agent. The adhesion agent comprises the following components in parts by weight: an amphiphilic polymer chain-containing neoprene latex, a tackifying emulsion, a filler, a coagulating agent aqueous solution, an anti-aging agent, a stabilizer, a metal oxide and a thickening agent. With a neoprene latex as a matrix and with methyl methacrylate, methacrylic acid and N,N-dimethyl aminoethyl methacrylate as graft monomers, the amphiphilic polymer chain-containing neoprene latex is prepared by an emulsion graft polymerization reaction. The invention also discloses a preparation method of the amphiphilic polymer chain-containing neoprene latex adhesion agent. The problems of poor storage stability and small initial viscous force are solved, the neoprene latex can be simultaneously skillfully endowed with dispersion stability and demulsification cohesion, and at the same time, the dispersion stability and the initial viscous force of the neoprene latex are improved; and the grafted type neoprene latex adhesion agent has wide application range, high adhesion strength, and remarkable economic benefits and social benefits.

The invention relates to hyaluronic acid-gelatin composite hydrogel carrying PLGA microspheres. The hydrogel includes, by mass percentage, 1-20% of aminoethyl methacrylate hyaluronic acid, 1-20% of methacrylate gelatin, 0.01-1.0% of PLGA@GS composite microspheres, and 0.01-0.5% of a photoinitiator, with the balance being water. The hydrogel simultaneously carries the PLGA@GS microspheres, HA-AEMAand GelMA, so that the hydrogel can show a three-dimensional microporous structure and has the abilities of slowly releasing drugs and long-term antibacterial properties; the hydrogel shows excellentswelling and mechanical properties and low cytotoxicity, and has the effects of rapid hemostasis; and the hydrogel is the potential materials of hemostatic and anti-infective materials in wound dressing application.

The invention discloses antibacterial nano-silver textile and a preparation method thereof. The preparation method comprises the steps as follows: under the oxygen-free condition, the high-energy ray irradiation textile has grafting reaction and reduction reaction in a mixture of water, a grafting monomer, a reducing agent and water-soluble silver salt, so that the antibacterial nano-silver textile is obtained; and the grafting monomer adopts 2-aminoethyl methacrylate hydrochloride, and the reducing agent adopts alcohol with the atomic number of 1-8. According to the preparation method, the textile does not require any modification treatment before grafting, the operation method is simple, efficient and environment-friendly, especially, large-scale batch production can be realized, and further, the prepared antibacterial nano-silver textile is outstanding in antibacterial performance and excellent in laundering durability.

The invention discloses an overall acrylate copolymer emulsion with carapace, which comprises the following steps: preparing the emulsifying monomer by adding methyl methacrylate, butyl acrylate, N-methylol acrylamide, acroleic acid, dimethyl-aminoethyl methacrylate, sodium dodecylbenzene sulfonate, sodium allyl hydroxypropyl sulphonate and water in the reactor; adding the nuclear emulsion with tertiary ethylene ester carbonate, dimethyl acroleic acid gylcol ester, (methyl)acroleic acid, sodium dodecylbenzene sulfonate and potassium peroxodisulfate; keeping the temperature for 10 minutes; putting emulsion monomer and potassium peroxodisulfate in the reactor in two hours; keeping the temperature for one hour; reducing the temperature; neutralizing with smmonia water; discharging the material. The invention reduces the specific absorption of the coating, which avoids rain-water double pollution, and keeps the decorative effect for a long time.

The invention relates to a method of producing crosslinked high polymer by oxidative polymerization. Water or other diluents are added or not added into dimethyl aminoethyl methacrylate, a certain amount of CuX(X=Cl or Br) and pentamethyldiethylenetriamine are added, and then being exposed in air. 24 hours later, the system becomes viscous and finally the crosslinked polymer is obtained. The polymer can absorb deionized water 2-40 times of dead weight. Compared with the traditional method, the method disclosed by the invention is simple and has good repeatability.

The invention discloses a water-dispersiblity fluorescent polymer nanoparticle with a ratio detecting function for a pH value and mercury ions as well as a preparation method and an application of the water-dispersiblity fluorescent polymer nanoparticle. The water-dispersiblity fluorescent polymer nanoparticle is prepared by taking methyl methacrylate, 2-aminoethyl methacrylate hydrochloride (AEMH) and 4-ethyoxyl-9-(2-allyl)-1, 8-naphthalimide (EANI) as monomers, taking fluorescein isothiocyanate (FITC) as a surface functionalization reagent and combining a one-step miniemulsion polymerization method and a particle surface modification technology. The water-dispersiblity fluorescent polymer nanoparticle not only can be used for realizing ratio fluorescence detection for the pH value in water, but also can be used for realizing ratio fluorescence detection for mercury ions in the water on the premise that the pH value is determined. Compared with the prior art, the water-dispersiblity fluorescent polymer nanoparticle obtained by the invention can be used for respectively realizing high-sensitivity detection for the pH value in the water and high-selectivity and high-sensitivity quantitative detection for the mercury ions in the water; in addition, the water-dispersiblity fluorescent polymer nanoparticle is simple in synthesis route, convenient to use, suitable for amplified synthesis and actual production application and huge in application prospect in the fields of bio-analytical chemistry, cell biology, medicals and environmental detection.

This invention discloses one propone diethylene glycol carbonic acid esters resin plane protection lens slice and its process method, which comprises the following components as the following: organic silicon for 30 to 50; diethylene glycol carbonic acid esters resin for 380 to 960; methyl methacrylate for 90 to 400; propone for 5 to 15; dimethyl-aminoethyl methacrylate for 4 to 16; dibutyl esters for 10 to 32; azocompound for 4 to 15; isopropyl palmitate for 3 to 10; 2- hydroxyl group -4- phenyl tolyl ketone for 1.2 to 5.5; polyacrylacid ester resin for 2.4 to 10; anti-oxidant for 18 to 50; brightener for 6 to 22; geoceric acid for 2.2 to 9.5.

The invention relates to a pH-sensitive quaternary ammonium salt amphiphilic block copolymer and application thereof. The macromolecular chain at least contains a polymer of a C block and a T block, the C block is a copolymer of methacrylic-N,N-diisopropylaminoethyl ester and methacrylic-N,N-dimethylaminoethyl ester or methacrylic acid aminoethyl ester, and the T block is a quaternary ammonium salt cationic polymer. The invention also discloses an A-C-T or A-T-C block copolymer, which is formed by bonding a water-soluble polymer A with a polymer containing C and T blocks, and the A segment isselected from betaine polycarboxylate, betaine polyphosphate, polyethylene glycol, or target molecule or cell-penetrating peptide modified betaine polycarboxylate, betaine polyphosphate and polyethylene glycol. The copolymer self-assembles or participates in assembly in an aqueous solution with a pH greater than 7 to form nanoparticles with a particle size of 40-300 nm, which can be used for DNA,siRNA delivery and transfection reagents, or detection or immune preparations, or as an antibacterial agent.

The invention discloses an antibacterial agent for shampoo and a preparation method thereof. The preparation method comprises the following steps: reacting carboxymethyl chitosan and a silicone oil base solution under the action of dicyclohexylcarbodiimide and 4-dimethylaminopyridine, so that carboxyl of the carboxymethyl chitosan reacts with amino at one end of a molecular chain of the silicone oil base solution, and carboxymethyl chitosan molecules are connected with silicone oil base solution molecules and further react with an aminoethyl methacrylate quaternary ammonium salt; and reactinghydrogen on the molecular chain of the silicone oil base solution with double bonds of the aminoethyl methacrylate quaternary ammonium salt, so that aminoethyl methacrylate quaternary ammonium salt molecules are fixed on the molecular chain of the silicone oil base solution and further react with an intermediate 6, and amino on the intermediate 6 is condensed with partial carboxyl of the carboxymethyl chitosan, and as a result, the antibacterial agent is prepared. The antibacterial agent has an excellent antibacterial effect and is capable of inhibiting generation of dandruff.

The invention relates to a lactose-based intelligent polymer and application thereof. The lactose-based intelligent polymer is prepared by grafting aldehyde group of a lactose functional monomer to a main chain of a poly-amino polymer; the poly-amino polymer comprises a mixture of one or more of polyacrylamide, polyethyleneimine, poly-asparagine, polyamide, aminoethyl polymethacrylate, polyamide-amine and aminopropyl polymethacrylate. Polymer film material prepared from the lactose polymer is capable of responding to sialic acid adsorption and desorption dynamically and irreversibly, thereby exhibiting great change in the materials properties, such as surface wettability, hardness, and viscous force. These materials characteristics can promote the application of materials in the recognition and detection of sialic acid. Therefore, by grafting the lactose-based intelligent polymer to a porous inorganic medium, a chromatographic separation material is acquired which is capable of separating glycopeptides different in sugar chain structure, particularly sialoglycopeptide.

The invention belongs to the technical field of beauty and skin care, and particularly relates to facial mask liquid. According to the facial mask liquid, methyl methacrylate, N,N-dimethyl-2-aminoethyl methacrylate and the like are taken as raw materials to prepare composite microgel, a primary amine structure is contained and can bring CO2 stimulation response, the components in auxiliary materials can also introduce a temperature-sensitive effect, the primary amine structure and the auxiliary materials are combined, so that the temperature and CO2 double-stimulation response functions are achieved, a cooling enhancer in a facial mask liquid system acts on a face when a facial mask is used, so that the face temperature is lowered, nervous-humoral regulation can be caused due to the relative cold condition to increase thyroid secretion, so that the dual response of the composite microgel is just stimulated, the effect of massaging the face is achieved, in addition, the release and absorption of other nutrients are also improved in the heat transfer process, the skin compactness and fatigue can be effectively relieved, and a good environment is provided to achieve the absorption ofother nutrient substances and water replenishment function; and the problem that an existing facial mask is single in using effect, and people feel uncomfortable when the skin of the face is moisturized can be solved.

The invention is applicable to the technical field of road traffic safety, and provides an anti-aging reflective film and a preparation method and application thereof, the reflective film is of a micro-crystalline cubic structure, and sequentially comprises an anti-aging coating, a prism reflective layer, an air capsule support layer, a gum layer and a release layer; the anti-aging coating is prepared from the following components: methyl methacrylate, 2-aminoethyl methacrylate, ethyl acetate, an initiator, an ultraviolet light absorber and a light stabilizer; and the prism reflective layer ismade of polycarbonate resin or polyvinyl chloride resin. The reflective film provided by the invention is of a micro-crystalline cubic structure, and a resin material with a relatively low refractiveindex is used for replacing glass beads with a high refractive index, so that the reflective film has more excellent retro-reflection performance. In addition, the reflective film adopts the anti-aging coating with a special formula, so that the anti-aging effect of the reflective film can be ensured to reach 7 years or more, and the production cost can be greatly reduced.

The invention discloses a preparation method of a degradable pH-responsive nano cellulose-based hydrogel slow-release fertilizer. The degradable pH-responsive nano cellulose-based hydrogel slow-release fertilizer is prepared by reacting amino functionalized nano cellulose, acrylamide, a fertilizer solution, a monomer and a cross-linking agent, wherein the monomer is 2-amino ethyl methacrylate hydrochloride. The hydrogel slow-release fertilizer prepared by the invention can be directly mixed with crop soil, the fertilizer is adaptively released according to the change of the pH value of the soil, and the release speed and the release amount are adapted to the change of the pH value of the crop soil, so that the release of the fertilizer can be effectively slowed down, the release period of the fertilizer is prolonged, and the requirements of crops on nutrients in the whole growth period are met; the problem that mainstream hydrogel on the market is difficult to degrade by microorganisms is solved; meanwhile, more moisture can be reserved in the soil so as to meet the requirements of crop growth on the moisture; and the preparation can be completed at 30-40 DEG C, so that the energy consumption is obviously reduced.

Transparent microemulsions and methods for making the same are provided. In accordance with an exemplary embodiment, a transparent microemulsion comprises an aqueous phase, an oil phase, an emulsifier, and vinyl caprolactom/vinyl pyrrolidone/dimethyl-aminoethyl methacrylate copolymer. An exemplary method for forming a transparent microemulsion hair styling product comprises forming an oil phase comprising a lipophilic ingredient, forming an aqueous phase, providing an emulsifier, and combining the oil phase, the aqueous phase, and the emulsifier to form a mixture. The mixture is combined with vinyl caprolactom/vinyl pyrrolidone/dimethylaminoethyl methacrylate copolymer.

The invention relates to a quaternarization method of (dialkyl) aminoethyl methacrylate, belonging to the field of chemical products. The quaternarization method of (dialkyl) aminoethyl methacrylate comprises the following steps of: (1) adding halogenated hydrocarbon in a pressure reaction kettle; (2) adding (dialkyl) aminoethyl methacrylate of a polymerization inhibitor in the pressure reaction kettle at 20-40 DEG C and stirring for reacting, wherein (dialkyl) dimethylaminoethyl methacrylate contains 300-3000ppm of polymerization inhibitor, and the mole ratio of halogenated hydrocarbon to (dialkyl) aminoethyl methacrylate in the reaction is (2-20):1; (3) after the reaction is finished, cooling, filtering and separating, drying at low temperature to obtain the quaternary ammonium salt of dialkyl aminoethyl methacrylate; and (4) freezing the filtrate for recycling, wherein the main component of the filtrate is halogenated hydrocarbon which can be reused in the reaction process of the method. The quaternarization method of (dialkyl) aminoethyl methacrylate has the advantages of simple reaction process, easiness for control and high safety, can be used for producing solid products and is easy for industrial production.

The invention discloses an ethyl ester and furfuryl carboxylate based flame-retardant storage battery sealant and a preparation method. The sealant contains a component A and a component B. The component A is prepared from 2-aminoethyl methacrylate, a solvent, dinonyl phthalate, antimony trioxide, a reinforcing filler, an antioxidant and chlorosulfonated polyethylene. The component B is prepared from tetrahydrofurfuryl methacrylate, acrylate rubber, benzyl dimethylamine, a phosphonate flame-retardant plasticizer, gas-phase silicon dioxide, a solvent, BYK-066N and r-amino propyl triethoxysilane. The adhesive containing two different components is prepared by conducting vacuum kneading on adhesives of the two components A and B and mixing in a reaction kettle. The raw materials in the components A and B are reasonably prepared to make the two components well bonded in the using process, internally produced air bubbles are decreased, adhesive gaps are decreased, meanwhile good fireproof and heat-insulation properties are added, the original liquidity of the adhesive is guaranteed, and the discharge of harmful substances is decreased.

The invention provides a pH-responsive segmented copolymer, a nano particle, a preparation method and a drug, and relates to the technical field of drug carriers. The block copolymer with pH responsiveness is formed by polymerizing PEO (Polyethylene Oxide), MAEBA (Methyl Acetate Ethylene Benzene Acetate) and DMAEMA (Dimethyl aminoethyl Methacrylate), the pH responsive nano particle can be formed in a water solution through self-assembly, a micelle core layer is composed of hydrophobic MAEBA and a pH responsive unit DMAEMA, a micelle shell is formed by hydrophilic PEO, conformational change occurs in a low-pH environment, and the nano particles becomes pH-sensitive. When the pH-responsive block copolymer or pH-responsive nano particle are used as a carrier to carry a drug, the drug releasesthe active pharmaceutical ingredients in the drug when the pH environment is changed, so that the drug has a targeting property.

The invention provides a composite gas hydrate inhibitor. The composite gas hydrate inhibitor is composed of a kinetic inhibitor, a synergist and cyanamide sulfate according to a mass ratio of (1-4):1: 1. The kinetic inhibitor comprises at least two of a terpolymer, polyvinyl pyrrolidone and polyvinyl caprolactam. The terpolymer is a vinyl pyrrolidone/vinyl caprolactam/dimethyl aminoethyl methacrylate copolymer. The invention also provides a preparation method and use of the composite gas hydrate inhibitor. The composite gas hydrate inhibitor has obvious inhibitory effects, a small dosage, aconcentration of 0.2-2% and small pollution to the environment.

Polymers capable of binding ochratoxins are disclosed. The polymers may be used for solid phase extraction of ochratoxins and immobilisation of ochratoxins in solid phase extraction (SPE) cartridges, for qualitative or quantitative analysis of ochratoxins in liquid extracts from foodstuffs or animal feeds. The polymers may be prepared from monomers containing amido or amino-alkyl moieties and acid moieties. Preferred embodiments are polymers prepared from 2-acrylamido-2-methylpropane-sulfonic acid (AMPSA) and from a mixture of diethyl aminoethyl methacrylate (DEAEM) and itaconic acid (IA). The polymers are preferably cross-linked, for example using ethylene glycol dimethacrylate (EGDMA) or divinyl benzene (DVB), and made macroporous by polymerisation in the presence of a porogen solvent such as dimethyl formamide (DMF).

A cosmetic composition for the temporary shaping of keratinic fibers, containing:

at least one non-crosslinked, hydrophobically modified (meth)acrylic acid copolymer

at least one cationic copolymer, which is obtained by conversion of

vinyl pyrrolidone, with

dimethyl aminoethyl methacrylate

its use and method using such a composition.