Castor oil
A Comparative Experimental Analysis of Tribological Properties Between Commercial Mineral Oil and Neat Castor Oil using Taguchi Method in Boundary Lubrication Regime
... neat castor oil are inferior to the mineral oil, although from close observation of the results we find that the values in both the cases are much closer to each ...mineral oil contained ...
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PRODUCTION OF CASTOR OIL MALEATE USING DI-TERT-BUTYL PEROXIDE AS FREE RADICAL CATALYST
... the castor oil ...and castor oil in the proportion of 1:1 proved to be the same amount of castor oil in the ...mono-castor oil maleate is the main product of ...
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Synthesis and characterization of castor oil-based polymeric surfactants
... ECO was prepared as previously described [24] . DCO was prepared using castor oil, sodium hydrogen sulfate and TBHQ with mass ratio of 1 : 0.005 : 0.002. The dehydra- tion process was carried out at 230°C ...
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Biodegradation of Soybean and Castor Oil Biodiesel: Implications on the Natural Attenuation of Monoaromatic Hydrocarbons in Groundwater
... vs. castor oil, evaluates the influence of soybean biodiesel on the biodegradation of benzene and toluene, and considers the physicochemical properties of biodiesel to infer on its likely field-scale ...
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Polyurethanes sintetized of polyols obtained from castor oil modified by transesterification with pentaerythritol.
... FROM CASTOR OIL MODIFIED BY TRANSESTERIFICATION WITH ...PENTAERYTHRITOL. Castor oil was reacted by transesterification with various percentages in mass of pentaerythritol to obtain different ...
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Evaluation of castor oil-based polyurethane membranes in rat bone-marrow cell culture
... of castor oil in the ...of castor oil ...and castor oil ibers were fewer than in membrane type ...and castor oil ibers than the other ...
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Likelihood ratio test between two groups of castor oil plant traits
... Thus, the objective of this study was to calculate the type I error and the power of the LRT for determining the independence between two groups of castor oil plant traits under a mul[r] ...
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Non-destructive determination of photosynthetic pigments in the leaves of castor oil plants
... of castor oil plants (cultivars BRS Energia and BRS Paraguaçu) were collected and subjected to different nitrogen doses at a stage of full development before flowering to measure the photosynthetic pigments ...
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Growth, carcass characteristics, chemical composition and fatty acid profile of the longissimus dorsi muscle in goat kids fed diets with castor oil
... of castor oil in the diet, probably because the diets were isonitrogenous and had similar fiber contents, in addition to the fact that DMI did not ...the oil addition, the EE intake increased ...with ...
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Biodegradation of polyurethane derived from castor oil
... from castor oil, which is a renewa- ble, natural material that is a practical alternative for the replacement of traditional polyurethane ...vegetable oil, the polymeric surface is susceptible to ...
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Evaluation of the performance of a castor-oil based formulation in limiting pesticide residues in strawberry crops
... of castor oil-based detergent, which are similar to those of regular detergent, the group treated with commercial neutral soap (group 3) was also studied to verify the performance of this tensioactive ...
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Synthesis of modified polyurethanes based on castor oil employed in energetic materials.
... ON CASTOR OIL EMPLOYED IN ENERGETIC ...using castor oil as a polymer chain modifier, whose characteristics can be adjusted for use as a binder in the manufacture of energetic materials such as ...
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Subcutaneous tissue reaction to castor oil bean and calcium hydroxide in rats
... C astor oil bean cement (COB) is a new material that has been used as an endodontic sealer, and is a candidate material for direct pulp capping. Objective: The purpose of this study was to evaluate the ...
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Bone regeneration after demineralized bone matrix and castor oil (Ricinus communis) polyurethane implantation
... nnocuous biocompatible materials have been searched to repair or reconstruct bone defects. Their goal is to restore the function of live or dead tissues. This study compared connective tissue and bone reaction when ...
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Braz. J. Pharm. Sci. vol.48 número3
... hydrogenated castor oil, stearic acid, and cetyl ...hydrogenated castor oil form matrices that control the release of drugs by diffusion through pores or by erosion (Rowe et ...
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Evaluation of growth and production of Pleurotus sp. in sterilized substrates
... + castor oil plant wastes); and from 168 hours to the end of the incubation period (360 hours), growth in Treatment 1 was superior to the others in all evaluations, as seen in Table ...
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Control of coffee berry borer, Hypothenemus hampei (Ferrari) (Coleoptera: Curculionidae: Scolytinae) with botanical insecticides and mineral oils
... the castor oil separated this compound from the others, such as the lowest iodine index and the highest viscosity, which are properties that are directly related to the chemical composition (Table ...seed ...
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Flexible polyurethane foams based on 100 renewably sourced polyols
... vegetable oil based polyols and demonstrated that a reduction of 33–64% on fossil resources consumption as well as a lowering on greenhouse gas emissions could be achievable by using soy or castor ...
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Ricardo Andrés Botero Carrera1 , Cristina Mattos Veloso2 , Leonardo Sidney Knupp1, Alcy Heleno de Souza Júnior1 , Edenio Detmann2 , Rogério de Paula Lana2
... sunflower, castor-oil seeds detoxified with calcium, non-detoxified castor-oil seeds and soybean; and the cakes were: cottonseed, peanut, babassu, crambe, palm oil, sunflower, licuri, ...
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Braz. J. Cardiovasc. Surg. vol.30 número1
... Methods: Twenty-four Guinea Pigs were randomly divided into three groups of eight animals (I, II, and III). The infrarenal abdominal aorta was dissected, clamped proximally and distally to the vascular puncture site. In ...
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