55 results about "Trichlorofluoromethane" patented technology

Disclosed are working fluid compositions for heat transfer apparatuses, such as refrigeration systems, that include a refrigerant and an ester based lubricant. The working fluid may comprise ≦50% by weight of the ester based lubricant composition and ≧50% by weight of one or more refrigerant compounds. The ester based lubricant comprises an additive selected from the group consisting of: diaryl sulfides, arylalkyl sulfides, dialkyl sulfides, diaryl disulfides, arylalkyl disulfides, dialkyl disulfides, diaryl polysulfides, arylalkyl polysulfides, dialkyl polysulfides, dithiocarbamates, derivatives of 2-mercaptobenzothiazole, derivatives of 2,5-dimercapto-1,3,4-thiadiazole, and combinations thereof. The refrigerants may be C3-C8 hydrocarbons, trichlorofluoromethane (CFC-11), dichlorodifluoromethane (CFC-12), saturated hydrofluorocarbons, difluoromethane (HFC-32), 1,1,2,2-tetrafluoroethane (HFC-134), difluoroethane (HFC-152a), fluoroethane (HFC-161), R410A (a near-azeotropic mixture of difluoromethane (HFC-32) and pentafluoroethane (HFC-125)), 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea), 1,1,1,2,3,3-hexafluoropropane (HFC-236ea), 1,1,1,3,3,3-hexafluoropropane (HFC-236fa), 1,1,1,3,3-pentafluoropropane (HFC-245fa), 1,1,1,3,3-pentafluorobutane (HFC-365mfc), hydrofluoroolefins, dimethyl ether, carbon dioxide, bis(trifluoromethyl)sulfide, and trifluoroiodomethane and combinations thereof.

The invention discloses self-repairing macromolecule nanometer tyre cement, which is prepared from the following raw materials in parts by weight: 15-22 parts of crylic acid, 8-10 parts of quartz powder, 13-18 parts of nonyl phenol, 9-15 parts of ammonium hydroxide, 4-8 parts of nano-zinc oxide, 13-16 parts of nano-silicon sol, 20-24 parts of isocyanate, 3-7 parts of trichlorofluoromethane, 5-15 parts of water glass, 22-24 parts of amino resin, 6-10 parts of sorbitan monooleate, 12-15 parts of ammonium polyphosphate, 5-8 parts of zinc borate, 7-11 parts of methyl anyl alcohol, 13-18 parts of active carbon nanoparticles, 16-20 parts of vinyl acetate, 22-24 parts of cobalt soap, 12-16 parts of isononanoic acid, 18-22 parts of polyurethane, 6-10 parts of titanium dioxide, 13-18 parts of trichloro ethylene and 24-28 parts of dibasic ester. The macromolecule nanometer tyre cement is high in bonding strength, good in anti-ageing effect and small in shrinkage rate, and can be bonded and molded at a room temperature, and the automatic repairing effect is achieved.

The invention discloses an antirust coating for an automobile chassis. The coating is prepared from the following materials in parts by weight: 55-57 parts of tung oil, 8-10 parts of castor bean wax, 13-14 parts of lauryl sodium sulfate, 5-10 parts of butadiene styrene rubber emulsion, 7-11 parts of isocyanate, 17-20 parts of trichlorofluoromethane, 9-16 parts of water glass, 13-18 parts of amino resin, 15-18 parts of toluenesulfonic acid, 20-25 parts of polyvinyl acetate, 20-24 parts of sorbitan monooleate, 6-10 parts of silica sol, 15-20 parts of pure acrylic emulsion, 8-11 parts of talc powder, 13-17 parts of diallyl phthalate, 16-20 parts of cyanoacrylate and 9-14 parts of graphene. The antirust coating for the automobile chassis, disclosed by the invention, is good in antioxidant effect and strong in bonding force, has an antirust effect, and is good in wear resistant effect.

The invention discloses a heat-conducting conductive metal paste and a preparation method therefor. The heat-conducting conductive metal paste is prepared from the following raw materials in parts by weight: 20-30 parts of tricresyl phosphate, 12-16 parts of titanium dioxide, 2-15 parts of propylene glycol, 10-13 parts of trichloroethane, 1-10 parts of trichlorofluoromethane, 2-16 parts of calcium oxide, 6-10 parts of benzoyl peroxide, 18-20 parts of potassium peroxodisulfate and 20-30 parts of aluminum stearate. The conductive metal paste prepared with the method is relatively small in electrical resistivity, and the electrical resistivity is only 1.8-1.9 ohm.cm at the normal temperature; and the conductive metal paste is relatively small in electrical resistivity change under a high-temperature condition and has good conductivity and heat resistance.