Abstract:
A process for drawing wire employing a lubricant comprising perfluorocarbon compounds (PFCs), including aliphatic perfluorocarbon compounds ( alpha -PFCs) having the general formula CnF2n+2, perfluoromorpholines having the general formula CnF2n+1ON, perfluoroamines (PFAs) and highly fluorinated amines (HFAs), and perfluoroethers (PFEs). Such fully and highly fluorinated carbon compounds exhibit a very high degree of thermal and chemical stability due to the strength of the carbon-fluorine bond. Further, because the compounds are fully fluorinated, and therefore do not contain chlorine and bromine, they have zero ozone depletion potential (ODP). Further, because the compounds are photochemically non-reactive in the atmosphere, they are not precursors to photochemical smog and are exempt from the United States Environmental Protection Agency (EPA) volatile organic compound (VOC) definition. Further, because they are volatile, the compounds are easily removed at the end of the process without need for an additional cleaning step. The process provides wire at significantly higher production speeds and longer die life with improved quality and less byproduct debris.
Abstract translation:一种使用包含全氟化碳化合物(PFC)的润滑剂的方法,该润滑剂包括具有通式C n F 2n + 2的脂族全氟化碳化合物(α-PFC),具有通式C n F 2n + 10N的全氟吗啉,全氟胺(PFA) HFAs)和全氟醚(PFE)。 这种完全和高度氟化的碳化合物由于碳 - 氟键的强度而表现出非常高的热和化学稳定性。 此外,由于这些化合物是完全氟化的,因此不含氯和溴,因此它们具有零臭氧消耗潜能值(ODP)。 此外,由于化合物在大气中是光化学非反应性的,它们不是光化学烟雾的前体,并且不受美国环境保护局(EPA)挥发性有机化合物(VOC)定义的限制。 此外,因为它们是挥发性的,所以在过程结束时容易除去化合物而不需要额外的清洁步骤。 该工艺以更高的生产速度和更长的模具寿命提供焊丝,同时改善质量和减少副产品碎片。
Abstract:
A mandrel lubricant for use in the manufacture of seamless tubes is described, which mandrel lubricant is composed of graphite, clay minerals from the class of smectites, a polysaccharide and, if required, a surfactant. The mandrel lubricant is applied in the form of an aqueous dispersion to mandrels which have passed through the cooling bath.
Abstract:
A silicone grease composition is provided comprising (A) 2-40% by weight of an organopolysiloxane having a kinematic viscosity of 50-500,000 mm /s at 25 DEG C, and (B) 60-98% by weight of at least one heat conductive filler selected from among metal powders, metal oxide powders and ceramic powders having a thermal conductivity of at least 10 W/m DEG C and an average particle size of 0.1-15.0 mu m. Coarse particles are removed such that a 500-mesh oversize fraction is not more than 50 ppm and a 325-mesh oversize fraction is substantially zero.
Abstract:
A swash plate type compressor is arranged with a plurality of semispherical shoes 4 and a disc shaped swash plate 2. A resin coating 12 having a honeycomb structure is formed on a surface 2A and a rear surface 2B (sliding surface) of the swatch plate 2 which slides with the shoe 4. An edge part 12B (top end) of each of the multiple cylinder bodies 12A which forms the resin coating layer 12 are at the same plane and forms a sliding surface which slides with the shoe 4. In addition, an interior space of each cylinder body 12A forms a storage part of a lubricant and a container part for foreign objects 15. The swash plate 2 can be provided with excellent wear resistance, seizure resistance and lubrication retention.
Abstract:
The present invention concerns a lubricating composition to be used in the casting of steel, in particular in continuous casting processes. In particular, the present invention concerns a lubricating composition for processes for producing steel in continuous casting comprising a dispersion of a lubricating powder in a liquid medium.
Abstract:
The present invention concerns a lubricating composition to be used in the casting of steel, in particular in continuous casting processes. In particular, the present invention concerns a lubricating composition for processes for producing steel in continuous casting comprising a dispersion of a lubricating powder in a liquid medium.
Abstract:
A process for drawing wire employing a lubricant comprising perfluorocarbon compounds (PFCs), including aliphatic perfluorocarbon compounds ( alpha -PFCs) having the general formula CnF2n+2, perfluoromorpholines having the general formula CnF2n+1ON, perfluoroamines (PFAs) and highly fluorinated amines (HFAs), and perfluoroethers (PFEs). Such fully and highly fluorinated carbon compounds exhibit a very high degree of thermal and chemical stability due to the strength of the carbon-fluorine bond. Further, because the compounds are fully fluorinated, and therefore do not contain chlorine and bromine, they have zero ozone depletion potential (ODP). Further, because the compounds are photochemically non-reactive in the atmosphere, they are not precursors to photochemical smog and are exempt from the United States Environmental Protection Agency (EPA) volatile organic compound (VOC) definition. Further, because they are volatile, the compounds are easily removed at the end of the process without need for an additional cleaning step. The process provides wire at significantly higher production speeds and longer die life with improved quality and less byproduct debris.
Abstract:
A method for treatment of bacterial infections with rifalazil administered once-weekly, or twice-weekly. A method for treatment of tuberculosis caused by Mycobacterium tuberculosis, infections caused by Mycobacterium avium complex, infections caused by Chlamydia pneumoniae and infections caused by Helicobacter pylori by administering to a patient suffering from the bacterial infection 1-100 mg of rifalazil once or twice a week. In this dose regimen, the treatment is fast, efficacious and eliminates undesirable secondary symptoms observed with daily doses of 1-50 mg of rifalazil.
Abstract:
A silicone grease composition is provided comprising (A) 2-40% by weight of an organopolysiloxane having a kinematic viscosity of 50-500,000 mm 2 /s at 25°C, and (B) 60-98% by weight of at least one heat conductive filler selected from among metal powders, metal oxide powders and ceramic powders having a thermal conductivity of at least 10 W/m°C and an average particle size of 0.1-15.0 µm. Coarse particles are removed such that a 500-mesh oversize fraction is not more than 50 ppm and a 325-mesh oversize fraction is substantially zero.