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Topic: Thermochromics

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	Thermochromism - Wikipedia, the free encyclopedia
		Thermochromic dyes are based on mixtures of leuco dyes with suitable other chemicals, displaying a color change (usually between the colorless leuco form and the colored form) in dependence on temperature.
		Thermochromic inks or dyes are temperature sensitive compounds, developed in the 1970s, that temporarily change color with exposure to heat.
		Thermochromic paints are seen quite often as a coating on coffee mugs, whereby once hot coffee is poured into the mugs, the thermochromic paint absorbs the heat and becomes colored or transparent, thus changing the appearance of the mug.
	en.wikipedia.org /wiki/Thermochromics (0 words)

	ScreenWeb \| Color-Changing Inks
		The two major groups of color-changing inks are thermochromic, which change color in response to temperature fluctuations, and photochromic, which respond to variations in exposure to UV light (primarily sunlight).
		Unfortunately, liquid crystal thermochromics are very difficult to work with and require highly specialized printing and handling techniques.
		Leucodye thermochromics are used in a wide range of applications because they add value in unique ways.
	www.screenweb.com /index.php/channel/6/id/1425 (0 words)

	Thermochromics
		The activation temperature is defined as the point the thermochromic pigment reaches 95% of its colorless state.
		Thermochromic aqueous slurry – a 48% (w/w) concentration compatible with water based flexographic, UV, screen, offset, gravure and epoxy ink formulations.
		The thermochromic pigments are sensitive to polar solvents.
	www.hwsands.com /productlists/thermochromic_files/thermochromics.htm (0 words)

	Using Thermochromics to Save Energy? (Site not responding. Last check: 2007-10-17)
		I think the concept of using thermochromics is an excellent material/application to adapt into typical residential and commercial construction methods.
		the temperature at which thermochromic properties react does not coincide with typical environmental changes that would be necessary for proper efficiency reduction techniques.
		thermochromic and otheer "chromic" applications are expensive due to the lack of ecomonomic and social demand on energy efficient practices ad applications.
	www.talkenergy.com /comments.pl?sid=517&cid=1027 (0 words)

	Special effects making a comeback? You betI (Site not responding. Last check: 2007-10-17)
		Consumers are reverting to the special-effects movement, which is being pushed by "new and improved" old effects and nifty new effects yet to be experienced by the average shirt buyer.
		We now have improved photochromics and thermochromics, as well as stone-wash, acid-wash, discharge, enhancing, re-hancing, foil, puff, glow-in-the-dark, reflective, metallic, conductive, 3-D puff, chalkboard and suede, to name a few.
		Photochromic (light-sensitive) and thermochromic (heat-sensitive) are the common "chromatics" found in print shops these days, and hydrochromatics (water-sensitive) are well on the way.
	stitches.com /mag/apparel_special_effects_making/index.html (0 words)

	Chromazone - FAQ
		They have a lightfastness of about 1-2 on the blue wool scale, however we are constantly looking at improving this and there are ways to increase the life of the product.
		It is advisable to obliterate a lighter coloured image using dark coloured thermochromics.
		A shelf life of 12 months is guaranteed provided that the material is stored in a cool and dark environment.
	www.chromazone.co.uk /FAQ.htm (0 words)

	Imaging On-Line Store
		The ability to print high-resolution thermochromic indicia, combining conventional inks with sophisticated printing technologies to either camouflage latent messages or create a warning message when copied, is new.
		The conventional ink must match the thermochromic ink in density and color hue in order to perfectly hide at typical office room temperature.
		But, because thermochromic inks are both temperature sensitive and low in color pigment, the Copy/Void message prints through the ink onto the copy.
	www.imaging.org /store/epub.cfm?abstrid=28476 (0 words)

	Chromatics: The Science of Color
		The section dealing with "Color in solids" examines how colors are produced by the interference of light using an audio CD, how UV light can be detected using fluorescence, and how light emitting diodes work.
		Investigations are also performed with materials that change color in response to temperature (thermochromics), which are often used as temperature indicators.
		The unit concludes with an investigation into materials which change color in response to the application of an electric current (electrochromics).
	www.sci-ed-ga.org /modules/materialscience/chromatics (0 words)

	Thermochromic & Photochromic Inks
		The color change of certain substances by changing temperatures is called "thermochromism", There are a number of substances that demonstrate this phenomenon.
		The range of color is fairly broad as is the temperature at which the color change takes place.
		The photochromic materials can be used in a number of formulations including paints, inks and plastics such as PVC, PVB,PP,CAB EVA, urethanes and acrylics.
	www.angelfire.com /biz/thermochromics/index.html (0 words)

	AiC Thermochromic
		AiC chose to focus first on thermochromics, a well established but underexploited technology in the security and consumer goods markets.
		Many distribute thermochromic pigments, but very few encapsulate them directly.
		Because of its unique position within Sun Chemical and its sharp focus, AiC is able to operate at two different levels: conception with brand-owners/end-users/design houses and execution with the printers/converters.
	www.sunchemical.com /aic (0 words)

	AiC Thermochromic
		Thermochromics are at their best as a functional device, to indicate road freezing or prevent scolding, and as security features on official or sensitive items.
		Thermochromics are well suited to enhance sales when:
		Thermochromics are also effective vectors for kids games, sweepstakes, and to generate buzz.
	www.sunchemical.com /aic/products/Brand-Owner.html (0 words)

	[No title] (Site not responding. Last check: 2007-10-17)
		As soon as the bottle begins to warm up in the hands of the consumer, the ants become visible.
		The insects perform their little trick thanks to the proprietary thermochromic inks used by label converter Spear (Mason, OH).
		In its Melbourne plant in Australia, Spear prints the 2-mil biaxially oriented polypropylene labels in four colors on a flat-bed screen press.
	www.packworld.com /print.php?id=4160 (0 words)

	Talk Energy: People talking about sustainable energy, solar energy, wind energy, geothermal energy, renewable energy, ... (Site not responding. Last check: 2007-10-17)
		Thermochromics are chemicals or similar that can change color based on the temperature or on the application of electricity.
		I was thinking about the possibility rooftops being painted with thermochromics that were either triggered by temperature or electricity.
		If my rooftop were fl during cold weather (triggered by cold) then it would help absorb heat which would in turn help heat my building.
	www.talkenergy.com /index.pl?issue=20041126&mode= (0 words)

	Advanced Polymer Alloys \| The leader in full-range MPE solutions \| Makers of Alcryn MPR, DuraGrip TPE, DuraMax TPV, and ...
		Alcryn MPR is sold in natural, translucent, and clear grades, which can be easily colored with high performance color concentrates such as those manufactured by Ferro’s Stryker Plastic Colorants Division (PCD).
		Combined with the colorants, Alcryn MPR — particularly the translucent and clear grades — produces brightly colored, clear, pearlescent, thermochromic, or metallic components.
		Ferro’s color designers constantly follow new consumer color trends, and have developed a range of specific effects colors including metallics, interference, pearlescents, transparents, translucents, sparkle and fiber, fluorescents, photochromics, and thermochromics.
	www.apainfo.com /press_room/detail.asp?id=61 (0 words)

	Using Innovation Mapping to Encourage Breakthrough Product Development (MDDI archive, Sep 02)
		Inevitably there will be some filtering out of these possibilities based upon cost and practicality, but it's important to keep an open mind.
		For instance, maybe the use of thermochromics would not be an innovation, but incorporating the technology into the product at low cost would be.
		The point is that using a simple process to drive innovation improves the chance of getting to a result.
	www.devicelink.com /mddi/archive/02/09/002.html (0 words)

	NCW 2005
		They also made bubble solution, doodled with magnets, exploded straws, examined love meters and fortune-telling fish, drew pictures with color-changing markers, and sculpted with magic sand.
		The toys available were as old as potato popguns and as new as thermochromic putty.
		Boris Russ, Tom Pickthorn, and Ron Weissbard supervised plastics and thermochromics.
	www.princeton.edu /~pacs/ncw2005.htm (0 words)

	[No title] (Site not responding. Last check: 2007-10-17)
		Generally these types of devices are not “privacy” types because you can see through them even at their low light transmission levels.
		These technologies include electrochromics, suspended particle devices, photochromics and thermochromics.
		These are generally termed “smart windows” because they can control the amount of light energy entering a room while most light scattering technologies will transmit the majority of the light energy.
	www.pleotint.com /files/thermoscattering_paper.doc (0 words)

	Gayson silicone dispersion-colors for HCR, LSR and RTV silicone, and aditives and peroxides for silicone.
		Gayson SDI can match Pantone and RAL colors, parts, or any other color reference you can send us.
		In addition Gayson SDI works with "effect" type ingredients such as: Sparkles, Metallics, Thermochromics, Scents, etc. If you have a unique idea for your silicone application, we can help make it a reality.
		If your application requires a custom color, please click here to fill out a contact form.
	www.siliconecolors.com /custom.asp (0 words)

	GEM-SET
		The thermochromic materials actually undergo a reaction upon heating.
		Usually this is just a re-orientation of the bond structure, maybe a linear
		The third type of thermochromic would be liquid
	www.uic.edu /orgs/gem-set/archive030618q2.htm (0 words)

	Picking Panes That Save Energy
		Switchable glazings can change properties to control solar heat gain, daylight, glare and view.
		Photochromics change transparency as a reaction to changes in light intensity while thermochromics react to temperature changes.
		With myriad options for selecting insulated glass windows, facility executives are bound to find one combination that is perfect for their specific application.
	www.facilitiesnet.com /bom/article.asp?id=1635 (0 words)

	Labelgraphics - Quality self adhesive labels and labelling systems
		Labelgraphics - Quality self adhesive labels and labelling systems
		Screen Thermochromics ink enables the printer to create special effect labels as well as security labels.
		The screen ink which is used changes colour once the response temperature is achieved.
	www.labelgraphics.co.uk /thermochromic.asp (0 words)

	Optical Coatings Engineer
		Demonstrate expertise in optical thin films for Laser Eye protection (LEP) and in the design and production of band pass filters, rugates, long wave and short wave pass filters, abrasion resistant coatings, and multicavity filters
		Assess knowledge of optical film developmental technologies for plastic substrates, including electrochromics, thermochromics, and nanotechnologies
		Possess excellent written and oral communication skills as well as fluency in MS Office Products
	www.gentexcorp.com /default.aspx?pageid=1445 (0 words)

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