WordNet

cover with oil, as if by rubbing; "oil the wooden surface"
a slippery or viscous liquid or liquefiable substance not miscible with water
oil paint containing pigment that is used by an artist (同)oil_color, oil colour
a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earths crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors (同)Si, atomic number 14
any of a large class of siloxanes that are unusually stable over a wide range of temperatures; used in lubricants and adhesives and coatings and synthetic rubber and electrical insulation (同)silicone polymer
treated with oil; "oiled country roads"; "an oiled walnut table"

PrepTutorEJDIC

〈U〉〈C〉『油』;油状物 / =petroleum / 《複数形で》=oil paint / =oil painting / …‘に'油を塗る,油を引く,油を差す
ケイ素(非金属元素;化学記号はSi)
シリコーン(ケイ素と酸素の化合物で接着剤・潤滑械・人造ゴムなどに用いる)
油を差した(しみ込ませた) / 《俗》酒に酔った(drunk)

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/01/09 04:23:31」(JST)

wiki en

A silicone oil is any liquid polymerized siloxane with organic side chains. The most important member is polydimethylsiloxane. These polymers are of commercial interest because of their relatively high thermal stability and their lubricating properties.^[1]

Structure

Like all siloxanes (e.g., hexamethyldisiloxane), the polymer backbone consists of alternating silicon-oxygen atoms (...Si-O-Si-O-Si...). Many groups can be attached to the tetravalent silicon centres but the dominant substituent is methyl or sometimes phenyl. Many silicone liquids are linear polymers end-capped with trimethylsilyl groups. Other silicone liquids are cyclosiloxanes.

Applications

Silicone oils are primarily used as lubricants, thermic fluid oils or hydraulic fluids. They are excellent electrical insulators^[2] and, unlike their carbon analogues, are non-flammable. Their temperature-stability and good heat-transfer characteristics make them widely used in laboratories for heating baths ("oil baths") placed on top of hotplate stirrers, as well as in freeze-dryers as refrigerants. Silicone oil is also commonly used as the working fluid in dashpots, wet type transformers, diffusion pumps and in oil-filled heaters.

The class of silicone oils known as cyclosiloxanes has many of the same properties as other non-cyclic siloxane liquids but also has a relatively high volatility making it useful in a number of cosmetic products such as antiperspirant.

Some silicone oils, such as simethicone, are potent anti-foaming agents due to their low surface tension. They are used in industrial applications such as distillation or fermentation where excessive amounts of foam can be problematic. They are sometimes added to cooking oils to prevent excessive frothing during deep frying. Silicone oils used as lubricants can be inadvertent defoamers (contaminants) in processes where foam is desired, such as in the manufacture of polyurethane foam.

Silicone oil is also one of the two main ingredients in Silly Putty, along with boric acid.

Medical uses

Consumer products to control flatus (antiflatulents) often contain silicone oil. Silicone oils have been used as a vitreous fluid substitute to treat difficult cases of retinal detachment, such as those complicated with proliferative vitreoretinopathy, large retinal tears, and penetrating ocular trauma.^[3]

Automotive use

Silicone oil was commonly used as the fluid in the automobile cooling fan clutch assemblies, before the industry switched to electric cooling fans.^[4]

References

^ Hans-Heinrich Moretto, Manfred Schulze, Gebhard Wagner, "Silicones" Ullmann's Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH, Weinheim. doi:10.1002/14356007.a24_057
^ Miyahara H, Nakajima A, Wada J, Yanabu S (June 2006). "2006 IEEE 8th International Conference on Properties and applications of Dielectric Materials". Properties and applications of Dielectric Materials, 2006. 8th International Conference: 661–664. doi:10.1109/ICPADM.2006.284264. ISBN 1-4244-0190-9. |chapter= ignored (help)
^ Martín-Gil J, Martín-Gil FJ, De Andrés Santos AI, Ramos-Sánchez MC, Barrio-Arredondo MT, Chebib-Abuchala N. (1997). "Thermal behaviour of medical grade silicone oils". J Anal Appl Pyrolysis 42 (2): 151–158. doi:10.1016/S0165-2370(97)00002-8.
^ Doremus, R. H. (2002). "Viscosity of silica". J. Appl. Phys. 92 (12): 7619–7629. Bibcode:2002JAP....92.7619D. doi:10.1063/1.1515132.

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English Journal

The impact and bounce of air bubbles at a flat fluid interface.

Manica R1, Klaseboer E, Chan DY.
Soft matter.Soft Matter.2016 Apr 7;12(13):3271-82. doi: 10.1039/c5sm03151f. Epub 2016 Feb 29.
The rise and impact of bubbles at an initially flat but deformable liquid-air interface in ultraclean liquid systems are modelled by taking into account the buoyancy force, hydrodynamic drag, inertial added mass effect and drainage of the thin film between the bubble and the interface. The bubble-su
PMID 26924623

A new combined green method for 2-Chlorophenol removal using cross-linked Brassica rapa peroxidase in silicone oil.

Tandjaoui N1, Abouseoud M2, Couvert A3, Amrane A3, Tassist A4.
Chemosphere.Chemosphere.2016 Apr;148:55-60. doi: 10.1016/j.chemosphere.2016.01.021. Epub 2016 Jan 21.
This study proposes a new technique to treat waste air containing 2-Chlorophenol (2-CP), namely an integrated process coupling absorption of the compound in an organic liquid phase and its enzymatic degradation. Silicone oil (47V20) was used as an organic absorbent to allow the volatile organic comp
PMID 26802263

A cross-linked hyaluronic acid hydrogel (Healaflow(®)) as a novel vitreous substitute.

Barth H1, Crafoord S2, Andréasson S3, Ghosh F3.
Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv für klinische und experimentelle Ophthalmologie.Graefes Arch Clin Exp Ophthalmol.2016 Apr;254(4):697-703. doi: 10.1007/s00417-015-3256-z. Epub 2016 Jan 8.
PURPOSE: Vitrectomy requires the substitution of the natural vitreous, as well as tamponading of retinal breaks. Clinically available alternatives such as gas and silicone oil have side effects such as inflammation, secondary glaucoma, cataract, and a need for head posturing. In this study, a hydrog
PMID 26743755