7 results about "Tricresyl phosphate" patented technology

The invention belongs to the technical field of lubricating materials and particularly relates to wide-temperature-range lubricating grease for a helicopter transmission system as well as a preparation method and application of the wide-temperature-range lubricating grease. The wide-temperature-range lubricating grease for the helicopter transmission system comprises the following components: base oil, a thickening agent, a tribological property improver, an antioxidant, an adhesive and an antirust agent, the tribological performance improver is prepared from oxymolybdenum thiodibutyl dithiocarbamate, antimony dibutyl dithiocarbamate, tricresyl phosphate and bismuth sulfide according to the mass ratio of (3 to 5) to 1 to (1 to 3) to (0.1 to 1.5). The wide-temperature-range lubricating grease for the helicopter transmission system, provided by the invention, has outstanding high-temperature oxidation resistance, excellent extreme-pressure wear resistance and high-temperature performance and excellent low-temperature starting and operating torque, and can meet the use requirements of a lubricating grease product for the helicopter transmission system on wide temperature range and high load.

The invention provides an ionic liquid-containing lubricating oil composition for a piston type aero-engine, and relates to the technical field of lubricating oil. The composition is prepared from the following components in percentage by weight: 1 to 2 percent of ionic liquid, 0.5 to 2.0 percent of an antioxidant mixture, 0.5 to 1.0 percent of tricresyl phosphate, 0.01 to 0.2 percent of a benzotriazole metal deactivator, 6.0 to 9.0 percent of an ethylene-propylene copolymer viscosity index improver, 3.0 to 6.0 percent of a succinimide ashless dispersant, 10 to 100 ppm of an anti-foaming agent and the balance of base oil, wherein the antioxidant mixture is prepared from the following components in percentage by weight: 0.4 to 1.0 percent of p-diisooctyl diphenylamine and 0.4 to 1.0 percent of lipid antioxidant. According to the piston type aviation lubricating oil composition containing the ionic liquid, the wear resistance, the thermal stability, the low-temperature fluidity and the oxidation resistance of lubricating oil are improved.

The invention relates to a carbon fiber heating cable, and belongs to the technical field of heating cables. The carbon fiber heating cable is prepared from the following components: 85.0 to 94.0 parts of PVC (Polyvinyl Chloride) resin, 6 to 8 parts of talcum powder, 2 to 4 parts of a lubricant, 14 to 18 parts of a plasticizer, 10.0 to 15.0 parts of modified carbon fiber, 2 to 4 parts of a heat stabilizer, 0.8 to 2.0 parts of a flame retardant and 0.6 to 1.0 part of a toughening agent. According to the prepared heating cable, the PVC resin serves as a matrix and is matched with the modified carbon fibers, the talcum powder, the chlorinated paraffin lubricant, the tricresyl phosphate plasticizer and other components, meanwhile, the special heat stabilizer, the flame retardant and the flexibilizer are compounded, the tensile strength and the elongation at break of the heating cable are maintained at a high level, high strength and good toughness are both considered, and the heating cable is suitable for large-scale popularization and application. And the use requirements of the heating cable on the structural stability and the anti-deformation capability can be met.

This invention discloses a conformal coating, its preparation method, and its application, belonging to the field of coatings. The conformal coating comprises the following components by weight percentage: 45%-65% base resin, 25%-50% reactive diluent, 2%-6% initiator, 7%-14% dehydrating agent, and 0%-0.8% additives; wherein the base resin contains NCO groups, and the dehydrating agent includes both chemical and physical dehydrating agents. By ensuring the synergistic effect of the various components in the conformal coating under specific proportions, not only are excellent curing properties guaranteed, resulting in excellent mechanical properties of the coating film, but the conformal coating also has a longer shelf life and service life.

This invention discloses a moisture-proof PVC wood grain sheet and its preparation method, belonging to the field of PVC wood grain sheet production technology. The moisture-proof PVC wood grain sheet is composed of the following components by weight: 90-100 parts PVC resin, 25-30 parts triethyl acetylacetic acid, 20-25 parts modified moisture-proof microcapsules, 10-15 parts moisture-proof coating liquid, 4-8 parts tricresyl phosphate, 3-5 parts stabilizer, 3-5 parts wood grain color masterbatch, 0.5-1 part calcium stearate, and 0.1-1 part light stabilizer 944. The PVC wood grain sheet prepared by this invention has good mechanical properties and moisture-proof properties.

The invention belongs to the technical field of PVC coated cloth, and particularly relates to antimony-free high-flame-retardant weldable coated cloth and a preparation method thereof. The coating cloth is PVC coating cloth, a large amount of screening is carried out, a binary compound composed of halogen-free phosphate ester WSFR-9702 and tricresyl phosphate TCPL is obtained and used as a flame retardant plasticizer, a ternary compound composed of a phosphorus flame retardant, a molten drop inhibiting flame retardant and a carbon forming framework filler is used as a flame retardant, and the PVC coating cloth coating is prepared through high mixing. The coating cloth simultaneously meets the requirements of high flame retardance of the BS7837 standard, the requirements of high environmental protection, no antimony, welding resistance and other comprehensive performance of REACH regulations, so that the coating cloth has the advantages of environmental protection, cost reduction and quality improvement, the comprehensive competitive advantage of products is improved, and the coating cloth has great industrial application value.

The application discloses a dual-emission fluorescent probe for detecting cresyl phosphate as well as a preparation method and application thereof, and solves the technical problems of high cost and low timeliness in the prior art cresyl phosphate detection. The dual-emission fluorescent probe for detecting cresyl phosphate has characteristic peaks of Al2p, C1s, N1s and O1s in an XPS full spectrum diagram; has characteristic peaks of O-H / N-H, -COO, Al-O and C=O in an FT-IR spectrum diagram; and has dual-emission wavelengths in a fluorescence spectrum. The preparation method of the dual-emission fluorescent probe for detecting cresyl phosphate comprises the following steps: obtaining an aqueous solution containing an aluminum salt and a porphyrin; loading the aqueous solution into a reaction kettle to perform a hydrothermal reaction; and collecting and washing the precipitate after the hydrothermal reaction is completed, so that the dual-emission fluorescent probe for detecting cresyl phosphate is obtained. The dual-emission fluorescent probe has a wide linear range, a short response time, strong anti-interference ability and specific recognition ability, is successfully applied to the analysis of cresyl phosphate in lake water and tap water, and has strong practicability.