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Topic: Polydimethylsiloxane

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	Got Pizza Hut? Got Silicone!
		Polydimethylsiloxane is a substance that is manufactured by Dow Chemical and is primarily used in food-manufacturing factories as a de-foaming agent for commercial boilers.
		Polydimethylsiloxane is not approved for use as a food additive, yet, Pizza Hut is using this silicone-based chemical as a stabilizer for cheese on its patented pizza products.
		Neither is Polydimethylsiloxane, or formaldehyde which results as a byproduct when frozen silicone-sprayed pizza is subjected to heat.
	www.rense.com /general69/gotpz.htm (324 words)

	Polydimethylsiloxane - Wikipedia, the free encyclopedia
		Polydimethylsiloxane (PDMS) is the most widely used silicon-based organic polymer, and is particularly known for its unusual rheological (or flow) properties.
		Activated dimethicone, a mixture of polydimethylsiloxanes and silicon dioxide (sometimes called simethicone), is used in over-the-counter drug as an anti-foaming agent and carminative.
		As a food additive, it has the E number E900 and is used as an anti-foaming agent and an anti-caking agent.
	en.wikipedia.org /wiki/Polydimethylsiloxane (800 words)

	Photoreceptor layers containing polydimethylsiloxane copolymers - Patent 5069993
		The imaging member of claim 3, wherein said copolymer is polydimethylsiloxane cobisphenol A block copolymer, said film forming resin binder is bisphenol A polycarbonate, and said charge transport molecules are aromatic amines.
		The imaging member of claim 3, wherein said copolymer is polydimethylsiloxane polystyrene block copolymer, said film forming resin binder is polystyrene, and said charge transport molecules are aromatic amines.
		The imaging member of claim 14, wherein said copolymer is polydimethylsiloxane cobisphenol A block copolymer, said resin binder is bisphenol A polycarbonate, and said charge transport molecules are aromatic amines.
	www.freepatentsonline.com /5069993.html (6786 words)

	Controlled environment animal isolation systems - Patent 5190879
		The container of claim 5 wherein the membrane is formed of a polymer selected from the group consisting of polydimethylsiloxane wherein phenyl, vinyl, trifluoropropyl, silanol or hydrogen is substituted for methyl, polydimethylsiloxane bisphenol A polycarbonate block co-polymers, polydimethylsiloxane polysulfone block co-polymers, poly, copolymers, and blends thereof.
		The method of claim 16 wherein the membrane is formed of a polymer selected from the group consisting of polydimethylsiloxane wherein phenyl, vinyl, trifluropropyl, silanol or hydrogen is substituted for methyl, polydimethylsiloxane bisphenol A polycarbonate block co-polymers, polydimethylsiloxane polysulfone block co-polymers, poly copolymers, and blends thereof.
		The membranes are made from linear and cross-linked polydimethylsiloxanes, including polydimethylsiloxanes wherein phenyl, vinyl, trifluropropyl, silanol or hydrogen is substituted for methyl, polydimethylsiloxane bisphenol A polycarbonate block co-polymers, polydimethylsiloxane polysulfone block co-polymers, or poly [1-(trimethylsilyl)-1-propyne], including any substituted polydimethylsiloxanes and combinations thereof, using one of two processes.
	www.freepatentsonline.com /5190879.html (4022 words)

	NTP: Abstract for Immunotoxicity of Polydimethylsiloxane
		Polydimethylsiloxane polymers are used in surgical procedures such as implants for plastic surgery, as components for catheters, to encase electrode and pacemaker leads, and in prostheses.
		The objective of this study was to determine the sensitizing potential of polydimethylsiloxane fluid by the dermal route in mice.
		Polydimethylsiloxane fluid was obtained from Surgitech Natural Y Surgical Specialties (Paso Robles, CA).
	ntp-server.niehs.nih.gov /index.cfm?objectid=03E84E82-DF64-5699-4BEDDC50709AC1AD (318 words)

	Toying Around with Chemistry (Site not responding. Last check: 2007-11-07)
		Polydimethylsiloxane (PDMS) is the most widely used silicon-based organic-polymer, and is mostly known for its unusual rheological (or flow) properties.
		The chemical formula for Polydimethylsiloxane is (CH3)3SiO[SiO(CH3)2]nSi(CH3)3, where n is the number of repeating monomer [SiO(CH3)2] units.
		The structure of Polydimethylsiloxane is almost liquid, remaining in long fluid chains that easily change shape at normal temperatures.
	www.cas.astate.edu /draganjac/snell.htm (172 words)

	windymedia >> Five Bucks Five Bucks Five Bucks
		The Pizza Hut chain is using a silicone-based toxin, Polydimethylsiloxane, on their frozen pizza products, as well as out-of-the-oven pizzas.
		The company defends its use of this toxin by claiming that polydimethylsiloxane is a necessary emulsifier and preservative.
		Polydimethylsiloxane is created by mixing a silicone emulsifier to water, which forms a 0.05% emulsifier solution.
	winnipeg.indymedia.org /item.php?2398S (809 words)

	Polydimethylsiloxane as a tooth surface-bound carrier of triclosan: a new concept in chemical plaque inhibition -- ...
		Polydimethylsiloxane as a tooth surface-bound carrier of triclosan: a new concept in chemical plaque inhibition -- Rolla et al.
		Polydimethylsiloxane as a tooth surface-bound carrier of triclosan: a new concept in chemical plaque inhibition
		Polydimethylsiloxane (silicone oil) has an extremely low surface tension:
	adr.iadrjournals.org /cgi/content/abstract/8/2/272 (320 words)

	JCE 1999 (76) 537 [Apr] Replication and Compression of Surface Structures with Polydimethylsiloxane Elastomer
		JCE 1999 (76) 537 [Apr] Replication and Compression of Surface Structures with Polydimethylsiloxane Elastomer
		This paper describes simple classroom demonstrations and laboratory experiments based on properties of polydimethylsiloxane (PDMS).
		Spheres cast from PDMS can be cross-linked to varying extents to affect their rigidity, as seen in their ability to bounce when dropped.
	jchemed.chem.wisc.edu:8000 /HS/Journal/Issues/1999/Apr/abs537.html (498 words)

	IngentaConnect Mould release potential of polydimethylsiloxane coatings using ph... (Site not responding. Last check: 2007-11-07)
		Cycloaliphatic epoxide-functionalised polydimethylsiloxanes were coated onto a gel-coated fibreglass substrate and cured using two different light sources: UV light and visible light.
		Curing was accomplished through the use of an acid-generating photoinitiator, and a photosensitiser was used to shift the initiating wavelength into the visible region.
		Zykloaliphatisch Epoxid-funktionalisierte Polydimethylsiloxane wurden auf eine gelbeschichtete Fiberglasoberfläche aufgetragen und entweder mit UV-Licht oder mit Tageslicht gehärtet.
	www.ingentaconnect.com /content/occa/ct/2006/00000089/00000002/art00009 (592 words)

	Endoscopic treatment with polydimethylsiloxane in children with dilating vesico-ureteric reflux (Site not responding. Last check: 2007-11-07)
		Endoscopic treatment with polydimethylsiloxane in children with dilating vesico-ureteric reflux
		This group from Italy assessed their endoscopic treatment of dilating vesico-ureteric reflux (VUR) in children with polydimethylsiloxane (MacroplastiqueTM, MPQ; Uroplasty BV, Geleen, The Netherlands).
		They had a 72% success rate after the first injection, 97% after the second, and 100% after the third.
	www.news-medical.net /?id=18439 (374 words)

	Polydimethylsiloxane
		Therefore, comprehension of the characteristics of polymers involves determining their mechanical properties in order to compare with theoretical models.
		The model we are interested in validating is based on atomistic molecular dynamics simulations of polydimethylsiloxane (PDMS) molecules interacting with filler particles.[1] Ideally, microscopic observations of these interactions are required, but useful initial information can be obtained with various tensile testing methods.
		We have carried out a series of tensile tests on several forms of PDMS that include fillers such as silica.
	www.lanl.gov /mst/SPML/pdms.html (380 words)

	Silicones and Silicone PDMS Fluids (Site not responding. Last check: 2007-11-07)
		While a complete text on the chemistry of silicones would fill volumes, it would also be mostly incomprehensible for those without advanced degrees in chemistry.
		Here you will find a brief history of the most basic silicone compound, polydimethylsiloxane, or DM fluid.
		This is indeed the most common silicone structure, and for our purposes will work quite well in illustrating the basic concepts of dimethyl silicones.
	www.silicones.net /?gl=faq (207 words)

	polidimetilsiloxano - polydimethylsiloxane (Italian to English translation glossary) analisi,Medical
		The KudoZ network provides a framework for translators and others to assist each other with translations or explanations of terms and short phrases.
		This site details a few of the many experiments and demonstrations that can be performed with the elastomer polydimethylsiloxane (PDMS).
		Polydimethylsiloxane Polydimethylsiloxane polymers are used in surgical procedures such as implants for plastic surgery, as components for catheters, to encase electrode and pacemaker leads, and in prostheses.
	www.proz.com /?sp=h&id=230144 (306 words)

	Viscosity Comparisons of Polydimethylsiloxane Lubricants in Latex Condom Brands via Fourier Self-Deconvolution of their ...
		Many brands of latex condoms use a polydimethylsiloxane lubricant.
		The lubricant viscosity in ten different brands was compared by determining the average chain length through the ratio of the dimethyl to trimethyl peak area obtained after applying the resolution enhancement technique of Fourier self-deconvolution to their diffuse reflectance FT-IR spectra in the area around 800 cm
		Author Blackledge RD Title Viscosity Comparisons of Polydimethylsiloxane Lubricants in Latex Condom Brands via Fourier Self-Deconvolution of their FT-IR Spectra Symposium, Committee on
	www.astm.org /JOURNALS/FORENSIC/PAGES/2512.htm (159 words)

	SF96 polydimethylsiloxane fluids: a breakthrough in silicone fluids technology (via CobWeb/3.1 planetlab2.cs.umd.edu) (Site not responding. Last check: 2007-11-07)
		SF96 polydimethylsiloxane fluids: a breakthrough in silicone fluids technology (via CobWeb/3.1 planetlab2.cs.umd.edu)
		Together GE Silicones Americas, GE Bayer Silicones, and GE Toshiba Silicones, form a global silicone technology leadership that has responded with SF96 silicone fluids.
		These fluids are polydimethylsiloxane fluids which are clear, inert, colorless, and water-white.
	www.gesilicones.com.cob-web.org:8888 /SF96.html (230 words)

	Viscosity Comparisons of Polydimethylsiloxane Lubricants in Latex Condom Brands via Fourier Self-Deconvolution of their ... (Site not responding. Last check: 2007-11-07)
		Viscosity Comparisons of Polydimethylsiloxane Lubricants in Latex Condom Brands via Fourier Self-Deconvolution of their FT-IR Spectra.
		Author(s): Blackledge RD Title: Viscosity Comparisons of Polydimethylsiloxane Lubricants in Latex Condom Brands via Fourier Self-Deconvolution of their FT-IR Spectra
		Abstract: Many brands of latex condoms use a polydimethylsiloxane lubricant.
	www.astm.org /jforensicsci/PAGES/2227.htm (105 words)

	Healthopedia.com Drugs Information - Silicone Oil 5000 Centistokes (AdatoSil 5000, polydimethylsiloxane)
		Healthopedia.com Drugs Information - Silicone Oil 5000 Centistokes (AdatoSil 5000, polydimethylsiloxane)
		You are here : Healthopedia.com > Drugs and Medications > Detailed Drug Information (USP DI) > Silicone Oil 5000 Centistokes
		Links to other sites are provided for information only -- they do not constitute endorsements of those other sites.
	www.healthopedia.com /drugs/detailed/silicone-oil-5000-centistokes (281 words)

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