31 results about "Polyoxidonium" patented technology

The invention relates to the technical field of functional composite probe material preparation, in particular to a three-core spinning technology-based bio-compatible gel probe and a preparation method thereof, and the three-core spinning technology-based bio-compatible gel probe comprises a composite skin layer and three functional core layers; the composite skin layer is composed of a sodium alginate-polydopamine-chitosan grafted copolymer in a mass ratio of 2: 1: 0.5, and contains # imgabs 0 # chondroitin sulfate and # imgabs 1 # polyoxyethylene; the three core layers are respectively a carbon nanotube-polyaniline # imgabs2 # hybrid material, a graphene-polypyrrole-boron nitride hybrid material and a # imgabs3 # polythiophene-hydroxyapatite hybrid material, and the mass ratio of the carbon material to the conductive polymer to the newly added nano material in each core layer is 1: 2: 0.3; and the diameter ratio of the skin layer to the three core layers is 1: 0.28: 0.22: 0.17. According to the invention, multichannel signal transmission is realized, the impedance is reduced by the hybrid material, and the conductivity is improved; the composite skin layer is matched with soft tissue mechanical properties, and interface bonding is stable; and the biocompatible component reduces inflammation, is suitable for acquiring nerve electrophysiological signals, and is easy for large-scale production.

The invention relates to a eugenol liposome / chitosan / polyoxyethylene hydrophobic electrospun fibrous membrane and a preparation method thereof, and the method comprises the following steps: based on soybean lecithin and cholesterol, adding eugenol and Tween 80, preparing a lipid solution, injecting the lipid solution into water or a phosphate buffer solution, and preparing an eugenol liposome suspension with the eugenol embedding rate greater than 88%; preparing a cross-linked chitosan acetic acid solution based on chitosan and a cross-linking agent; preparing a polyoxyethylene acetic acid solution, and mixing the cross-linked chitosan acetic acid solution with the polyoxyethylene acetic acid solution to obtain a base material spinning solution; mixing the eugenol liposome suspension with a base material spinning solution to prepare a final spinning solution, and preparing the eugenol liposome / chitosan / polyoxyethylene hydrophobic electrospinning fiber membrane by adopting an electrostatic spinning method. The embedding rate of eugenol is high, the water contact angle of the fiber membrane can reach 90 degrees or above, the slow release effect on eugenol is good, and the antibacterial and fresh-keeping effects are improved.

The invention belongs to the technical field of biology and microfluidics, and particularly relates to a single bacterium liquid drop wrapping method capable of breaking through Poisson distribution and application. The preparation method comprises the following steps: (1) preparing the micro-fluidic chip by a soft printing method; (2) bacteria death and viability dyeing; (3) counting bacteria; (4) adjusting different densities of bacteria; (5) preparing a viscoelastic fluid, namely a polyoxyethylene (Polyethylene Oxide PEO (6000 KDa) mother solution (0.05%); (6) preparing a sample solution; (7) constructing an experimental operation platform; and (8) observing. The micro-fluidic chip is provided with a spiral focusing area, one end of the spiral focusing area is provided with a sample inlet tube, the sample inlet tube is provided with a sample inlet connected with a disposable syringe, the other end of the spiral focusing area is provided with a liquid drop collecting tube, the tail end of the liquid drop collecting tube is provided with a liquid drop collecting port, and the liquid drop collecting port is provided with a liquid drop outlet. A continuous phase inlet pipe is arranged on the liquid drop collecting pipe, and a continuous phase inlet is formed in the continuous phase inlet pipe.

Polyoxyalkylene derivatives containing reactive silicon groups, with single or double ends of the polyoxyalkylene chain capped with groups represented by the following structural formula (1), exhibit good curability even when using amine compounds as curing catalysts, resulting in cured products with excellent resistance to yellowing and heat resistance. Wherein, R... 1 and R 2 Each is independently a hydrogen atom, an aliphatic saturated hydrocarbon group having 1 to 10 carbon atoms, or an aryl group having 6 to 10 carbon atoms, R 3 Each group independently represents an aliphatic saturated hydrocarbon group with 1 to 10 carbon atoms or an aryl group with 6 to 10 carbon atoms, where n is an integer from 2 to 12. Lines with wavy lines indicate bonding ends.

A composition containing a compound represented by the following Formula (1):wherein R11 and R12 each independently represent a hydrogen atom or a methyl group; and R13 represents a divalent group having a polyoxyalkylene chain; andan ester-based thixotropy-imparting agent.

The present invention relates to a curable adhesive composition based on an acetoacetate compound and to its use in multi-purpose adhesive applications. In particular, the present invention relates to a curable adhesive composition based on a multifunctional acetoacetate compound and a polyoxyalkylene polyamine.

To provide a skin cosmetic which, even in a state of wearing a mask, can suppress skin shine while retaining a gloss-imparting effect, renders pores less noticeable, and thereby preserves even skin tone.SOLUTION: A skin cosmetic comprises the following components (A), (B), (C), and (D): (A) 0.0001 mass% to 0.05 mass% of one or two or more polymethoxyflavones, (B) 0.01 mass% to 5 mass% of polyoxyalkylene methyl glucoside, (C) 0.5 mass% to 20 mass% of at least one selected from the group consisting of glycerin and diglycerin, and (D) 0.01 mass% to 0.5 mass% of ethylhexylglycerin.SELECTED DRAWING: None

This invention relates to an aqueous composition comprising: (a) at least 10% by weight of fludioxonil over the total weight of the composition, (b) at least one polyoxyalkylene copolymer having an average molecular weight up to 4000 g / mol, (c) at least one dispersing agent, and (d) water.

This invention relates to process for preparing low viscosity polyoxyalkylene polyols (P) that have a narrow molecular weight distribution. This process comprises reacting a H-functional starter substance (Si), a H-functional starter substance (Sx) and a H-functional starter substance (Sc) with one or more alkylene oxides in the presence of a double metal cyanide catalyst. The resultant polyoxyalkylene polyols (P) have a functionality of 2 to 8 and a hydroxyl number of greater than 35 to 115 mg KOH / g polyol.

A lubricating oil composition is described and includes oil of lubricating viscosity and dispersant having the following structure: (I) R1 is independently a hydrocarbyl group having 10 to 400 carbons; X is an alkyl, aryl, or heteroaromatic group having 1 to 10 carbons; Y is nitrogen, oxygen, or sulfur; each R2 is independently a hydrocarbyl group having 1 to 9 carbons; Z is nitrogen, oxygen, or sulfur; and each R3 is independently a hydrogen or hydrocarbyl group having 1 to 9 carbons with one or more nitrogen, oxygen, or sulfur functionalization, wherein p is 1 to 3, n is 1 to 20 and m is 0 to 3; and polyoxyalkylene glycol represented by the following structure:(II) R4 is C1 -C100 hydrocarbyl group, carboxyl group, ether group, thioether group, or aromatic group, each R5 and R6 is independently hydrogen, C1 -C4 hydrocarbyl group, or C1 -C3 alcohol, and x is from 1 to 20.

The present invention refers to novel polyoxyalkylene based compounds and their manufacturing method as well as compositions comprising at least one novel polyoxyalkylene based compound and at least one active agent. Furthermore, the present invention refers to the manufacture of the compositions of the present invention as well as their use for the treatment of an illness in mammals or humans.

The present invention refers to polyoxyalkylene based compounds and their manufacturing method as well as compositions including at least one polyoxyalkylene based compound and at least one active agent. Furthermore, the present invention refers to the manufacture of the compositions of the present invention as well as their use for the treatment of an illness in mammals or humans.

The present invention provides an alkenyl group-containing polyoxyalkylene compound represented by formula (1): R1O-(AO) n-R2 (In formula (1), AO is a C2-4 oxyalkylene group obtained by a dehydration condensation reaction using a phosphinic acid or a phosphinic acid salt; n represents the average addition mole number of AO, and n = 3-90; r1 is alkenyl with the carbon atom number of 3-5, and R2 is alkenyl with the carbon atom number of 3-5 or a hydrogen atom; the ratio (Mw / Mn) of the weight-average molecular weight (Mw) to the number-average molecular weight (Mn) of the alkenyl group-containing polyoxyalkylene compound calculated from a chromatogram obtained by gel permeation chromatography measurement is 1.20-5.00. ).

The invention discloses a porous core-shell hydrogel microsphere as well as a preparation method and application thereof, and belongs to the technical field of hydrogel microspheres. The preparation method comprises the following steps: shearing a liquid flow of an inner core phase by a liquid flow of a shell phase by adopting a liquid drop micro-fluidic chip to form a first liquid drop of which the inner core phase is wrapped by the shell phase; the shell phase contains methacrylated hyaluronic acid, a photocuring cross-linking agent and a photoinitiator, the core phase contains polyoxyethylene and gelatin, and the concentration of the gelatin is 0.01-0.04 g / mL; shearing a liquid drop flow formed by the first liquid drops through the oil phase to form second liquid drops; the second liquid drops are solidified through ultraviolet irradiation to form core-shell hydrogel microspheres, polyoxyethylene and gelatin in the core-shell hydrogel microspheres are removed, an oil phase on the surfaces of the core-shell hydrogel microspheres is removed, and the porous core-shell hydrogel microspheres are obtained. The core-shell structure hydrogel microspheres with porous shells can be prepared, cell proliferation and extension are facilitated, and the core-shell structure hydrogel microspheres can be applied to treatment of cartilage defects.

The invention relates to the technical field of solid electrolyte material preparation, and discloses a composite solid electrolyte based on a triblock copolymer and Ca / Si double-doped LATP and a preparation method thereof. The method comprises the following steps: firstly, preparing Ca / Si double-doped Li1. 4Al0. 4CaxTi1. 6Si (PO4) 3 powder (x + y = 0.1, x, ygt, 0); dissolving a polyoxyethylene triblock copolymer, lithium bis (trifluoromethane sulfonimide) and the doped powder in acetonitrile according to a specific mass ratio, and stirring for 10-14 hours to form uniform slurry; and finally, carrying out tape casting on the slurry, and carrying out vacuum drying to remove the solvent to obtain the composite solid electrolyte membrane. According to the invention, through double-doping synergistic modification and polymer composite regulation and control, the electrolyte structure and interface characteristics are optimized, adaptive preparation process parameters are adopted to guarantee the performance stability of the product, and the prepared composite solid electrolyte has good ion transmission characteristics and structural integrity.

The present invention refers to novel polyoxyalkylene based block copolymers and their manufacturing method as well as particles comprising at least one novel polyoxyalkylene based block copolymer and at least one active agent. Furthermore, the present invention refers to the manufacture of the particles of the present invention as well as their use for the treatment of an illness in mammals or humans. Moreover, the present invention refers to a medical device comprising at least one block copolymer according to the present invention.

The application discloses a controlled-release pharmaceutical composition and a preparation method and application thereof. The controlled-release pharmaceutical composition comprises a quick-release part and an enteric sustained-release part; the quick-release part comprises a first active ingredient, and the enteric sustained-release part comprises a second active ingredient and a sustained-release material; the first active ingredient or the second active ingredient is selected from racemic indobufen or S-indobufen or a pharmaceutically acceptable salt thereof; and the sustained-release material is selected from one or a combination of any number of hydroxypropyl methyl cellulose, hydroxypropyl cellulose, xanthan gum, sodium alginate, sodium carboxymethyl cellulose, acrylic resin, carbomer or polyethylene oxide. The composition can realize once-a-day oral administration, reduces the frequency of drug taking of a patient, and improves the drug taking compliance of the patient; the preparation process is simple, short in time, low in energy consumption, and suitable for industrial production; the influence of food on product burst release is greatly reduced, the stimulation and adverse reactions of the product on the gastrointestinal tract are reduced, and in particular, the risk of gastric hemorrhage is reduced.

Provided are: an organopolysiloxane that, when used to treat a hydrophobic powder, imparts excellent dispersibility in water to the treated hydrophobic powder; a treated hydrophobic powder; a dispersion; and a cosmetic. The organopolysiloxane contains a (poly)glycerin group and a polyoxyalkylene group.

Provided is an organopolysiloxane suitable as a powder treatment agent exhibiting enhanced long-term storage stability and high reactivity with a powder surface. The organopolysiloxane is represented by average structural formula (1).(In formula (1), R represents an alkyl group or the like, R10 is a polyoxyalkylene group which has a hydrolyzable silyl group at the terminal and of which there are one or more per molecule, R11 is a group selected from R and R10, A is an organopolysiloxane segment having a specific structure, a and b are independently a number of 0 to 3, e is a number of 0 to 50, f is a number of 0 to 2,000, g is a number of 0 to 10, and h is 0 or 1. The bonding arrangement of siloxane units each identified by e, f, g, and h in brackets may be blocked or random.)

This invention relates to the field of polymer materials technology, and discloses a polyether amide copolymer, its preparation method, and its applications. The polyether amide copolymer includes hard segments and soft segments. The hard segments are polyamide 6-long-chain polyamide copolymers, comprising structural units provided by polyamide 6 and structural units provided by long-chain polyamides. Based on the total weight of the polyamide 6-long-chain polyamide copolymer, the content of the long-chain polyamide is 5-40 wt%. The soft segments are polyoxyolefin diols and / or amino-terminated polyoxyolefins. The polyether amide copolymers prepared by this invention all exhibit good elongation at break and good toughness.

The invention relates to the field of all-solid-state lithium metal batteries, and discloses a composite polymer solid electrolyte as well as a preparation method and application thereof. The solid electrolyte comprises polyoxyethylene, a lithium salt and a dithiol ligand, the lithium salt is lithium bis (trifluoromethane sulfonimide); the general formula of the dithiol molecule is HS-(CH2) n-SH, and n is equal to 2, 4, 6, 8 or 10. The composite polymer solid electrolyte provided by the invention has good ionic conductivity, and can induce generation of a LiF-rich solid electrolyte interfacial film. 1, 2-ethanedithiol, LiTFSI and PEO are adopted to form a composite polymer solid electrolyte, lithium metal is used as a negative electrode, lithium iron phosphate is used as a positive electrode, the capacity retention ratio of the obtained all-solid-state lithium metal total battery is larger than or equal to 99% after 580 cycles under the 1C multiplying power, and the cycling stability and the multiplying power performance of the all-solid-state lithium metal total battery are remarkably improved.

The present application relates to the technical fields of water-based cleaning agent, and relates to an environment-friendly water-based cleaning agent for cleaning refining devices and a preparation method thereof.The environment-friendly water-based cleaning agent for cleaning refining devices and the preparation method thereof, the former comprises a main agent, a coupling agent, a first cleaning aid, a second cleaning aid and a dispersing agent, the main agent is one or more than one of isopropyl alcohol amide, the coupling agent is polyoxypropylene glycol, and the dispersing agent is deionized water or distilled water.In the latter, the required amount of the first cleaning aid and the second cleaning aid are added to the dispersing agent under stirring until the solution is clear and transparent to obtain a mixed solution, then the required amount of the main agent is added to the mixed solution and stirred until the solution is clear and transparent to obtain an intermediate solution, and finally the required amount of the coupling agent is added to the intermediate solution and stirred to obtain the environment-friendly water-based cleaning agent for cleaning refining devices.The preparation method is simple, the obtained cleaning agent is safe and environment-friendly, and the cleaning effect is remarkable.

The invention discloses a protection glue material for preventing copper and aluminum pipe welding spot oxidation and a preparation method thereof, and relates to the technical field of metal protection glue preparation, and the preparation method comprises the following steps: adding MQ resin and allyl polyoxyethylene methyl ether into toluene, uniformly stirring, adding a platinum catalyst, heating at 80-90 DEG C to react for 3-5 hours, carrying out rotary evaporation, washing and collecting, and drying to obtain the protection glue material for preventing copper and aluminum pipe welding spot oxidation. The polyether modified MQ resin is obtained; the preparation method comprises the following steps: mixing polypropylene oxide glycol with toluene-2, 4-diisocyanate, heating at 50-60 DEG C to react for 30-60 minutes, adding N-hexadecyl diethanolamine, heating to 75-85 DEG C, and reacting for 3-5 hours to obtain a prepolymer; and uniformly stirring the prepolymer, 1, 4-butanediol and polyether modified MQ resin, then adding tert-butyl p-diphenol, modified titanium dioxide, polyoxypropylene triol and an organic acid corrosion inhibitor, uniformly stirring and mixing, and removing bubbles in vacuum to obtain the welding spot protection adhesive.

To provide a hair cleansing agent that exhibits mild properties, superior preservation stability under low-temperature conditions, and can be adjusted to an appropriate viscosity as a liquid cleansing agent.SOLUTION: A hair cleansing agent comprises the following components (A)-(C): (A) at least one selected from the group consisting of polyoxyalkylene alkyl ether acetates having an average number of added moles of oxyalkylene groups of more than 0 and 4 or less, and salts thereof; (B) at least one selected from the group consisting of N-acyl amino acids and salts thereof; and (C) fatty acid N-monoethanolamide, wherein the content of the component (A) in the hair cleansing agent is 3.0 mass% or more and 11 mass% or less, and the content of (B1) N-acylalanine and salts thereof in the component (B) is 20 mass% or more.SELECTED DRAWING: None

The present disclosure is related to a polymeric membrane, comprising a modified surface obtained from coating with hydrophilic monomers and curing the hydrophilic monomers with electron beam, wherein the hydrophilic monomers comprise at least one amino moiety, at least one polyoxyalkylene unit, and at least one (meth)acrylate moiety.

The application discloses a kind of venous valve hydrogel scaffold material and its preparation method and application.This method uses polyethylene oxide and other viscoelastic non-Newtonian fluid capable of experiencing weissenberg effect as liquid soft template, when polyethylene oxide solution experiences weissenberg effect similar to valve structure, a layer of fast-crosslinking hydrogel material precursor is evenly covered on the liquid surface by spraying, so that the hydrogel is quickly crosslinked, and a venous valve hydrogel scaffold material is obtained.The application has the advantages of simple device, fast and convenient manufacturing method, adjustable venous valve scaffold material structure, etc., and can realize continuous manufacturing of venous valve hydrogel scaffold material with low cost.The application can promote the further development of valve-related physiology and pathology research.The prepared venous valve hydrogel scaffold material can realize the one-way flow function of venous valve, and can be used to construct an in-vitro venous valve model, so it has good medical application prospect.

The invention discloses a total synthesis water-based cutting fluid composition and a preparation method thereof. The total synthesis water-based cutting fluid composition comprises a methyl alcohol amine ester scale and corrosion inhibitor TPP, dimer acid, polyoxyethylene, ethylene glycol, sebacic acid, C21 binary acid, a pH regulator, a defoaming agent and a bactericide. The problems that existing cutting fluid waste liquid is not environmentally friendly, has health risks, is limited in performance, prone to hydrolysis failure, prone to carbonization and coking at high temperature, prone to breeding bacteria and the like are solved.

This application relates to cleaning and care compositions containing at least one polyoxyalkylene carboxylate, and their use as cosmetic or medical cleaning and care products. The polyoxyalkylene carboxylate(s) are based on fatty acids from vegetable oils and have an exceptionally high proportion of long-chain (≥ C17), predominantly unsaturated hydrocarbon chains.