13 results about "Polyoxidonium" patented technology

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.

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.

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 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.

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 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.

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.

The present invention refers to the use of novel polyoxyalkylene based block copolymers in particles or in medical devices, wherein the particles comprise at least one novel polyoxyalkylene based block copolymer and preferably at least one active agent.