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5 results about "Xylidine" patented technology
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Xylidine can refer to any of the six isomers of xylene amine, or any mixture of them. The chemical formula of xylidines is C₈H₁₁N or, more descriptively, (CH₃)₂C₆H₃NH₂. The CAS number for the isomer mixture is 1300-73-8. They are colorless solids or liquids, although commercial samples can appear yellow or darker. They are miscible with ethanol and diethyl ether and slightly soluble in water. Xylidines are used in production of pigments and dyestuffs, and various antioxidants, agrochemicals, pharmaceuticals, hypergolic propellants, and many other organic chemicals.
Halogen-free flame-retardant polyurethane resin as well as preparation method and application thereof
PendingCN121950024AGood dispersiongood compatibilityTextiles and paperPolymer scienceTriphenylphosphine oxide
The invention provides halogen-free flame-retardant polyurethane resin as well as a preparation method and application thereof, and the halogen-free flame-retardant polyurethane resin is prepared from the following raw materials in percentage by weight: 60-85% of a polyurethane matrix material system; 10 to 35% of phenyl phosphine oxide; 3-10% of a flame retardant synergist; wherein the phenyl phosphine oxide is selected from at least one of triphenyl phosphine oxide or p-xylyl bis (diphenyl) phosphinic oxide; the flame retardant synergist is selected from salts formed by nitrilotrimethylene triphosphonic acid and metal ions; the polyurethane leather prepared from the halogen-free flame-retardant anti-polyurethane resin disclosed by the invention is good in flame retardant property, good in hydrolysis resistance and good in mechanical property.
Owner:NANTONG IELTS FLAME RETARDANT TECH CO LTD
Ultrasonic coupling bag, ultrasonic coupling agent and preparation method of ultrasonic coupling agent
PendingCN122005875AEchographic/ultrasound-imaging preparationsPolymethyl methacrylateMethacrylate methyl
The invention discloses an ultrasonic coupling bag, an ultrasonic coupling agent and a preparation method of the ultrasonic coupling agent. The ultrasonic coupling agent comprises a first component and a second component, wherein the first component is prepared from the following raw materials in parts by weight: 90 to 110 parts of phenyl xylene ethane; 0.8 to 1.2 parts of 2, 5-diphenyl oxazole; 7 to 12 parts of polymethyl methacrylate; 90 to 110 parts of dichloromethane; 2 to 3 parts of Span; 90 to 110 parts of deionized water; the second component is prepared from poloxamer F188 and deionized water; wherein the mass ratio of the first component to the poloxamer F188 to the deionized water is (2 to 3) to 1 to (4 to 6).
Owner:JIANGSU PROVINCE HOSPITAL (THE FIRST AFFILIATED HOSPITAL OF NANJING MEDICAL UNIVERSITY)
Polyfunctional vinyl resins, polyhydroxy resins, epoxy resins, combinations thereof, and cured products
The present invention aims to provide a compound having excellent solvent solubility and excellent heat resistance, thermal decomposition stability, thermal conductivity, and flame retardancy, and a curable resin composition containing the compound. A multifunctional vinyl resin represented by the following general formula (1A) or an epoxy resin represented by the following general formula (1B) is provided. In formula (1), R 1 ~R 6 each independently represents a hydrogen atom or a monovalent hydrocarbon group having 1 to 6 carbon atoms, X independently represents a structure represented by formula (2), a benzonitrile structure, a diphenylsulfonyl structure, a xylylene structure, or - (CH2) m -, m represents a number of 3 to 10, and n represents a number of 1 to 15. (1A) (1B) (2).
Owner:NIPPON STEEL CHEM & MATERIAL CO LTD
Method for preparing cresol from xylene ether
Owner:LANXESS DEUTSCHLAND GMBH