ABSTRACT
The seminar is about polymers that can emit light when a voltage is applied to it. The structure comprises of a thin film of semiconducting polymer sandwiched between two electrodes (cathode and anode).When electrons and holes are injected from the electrodes, the recombination of these charge carriers takes place, which leads to emission of light .The band gap, ie. The energy difference between valence band and conduction band determines the wavelength (colour) of the emitted light.
They are usually made by ink jet printing process. ....etc

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hi
i am looking for enteric coating polymers ppt. can any one help inthis regard.
thanks and regards ....etc

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MEEN 3344 Materials Light Emitting Polymers


Light Emitting Polymers

-A light emitting polymer is an electro-luminescent plastic. The molecules of this plastic emit light when an electric field is applied.

-Polymer based light-emitting diodes (LED) were discovered in 1990.

-Cambridge Display Technology has the core patents for the Technology of LEP.

Light Emitting Polymers

Poly p-phenylenevinylene

LEP can be used in Laptop screens, cell phones, TV screens, calcu ....etc

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to get information about the topic electroactive polymers full report ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-electroactive-polymer-eap-actuators

http://seminarsprojects.net/Thread-electroactive-polymers-full-report

http://seminarsprojects.net/Thread-electroactive-polymer-%E2%80%9Cartificial-muscle%E2%80%9D-operable-in-ultra-high-hydrostatic-pressure

http://seminarsprojects.net/Thread-electroactive-polymer-%E2%80%9Cartificial-muscle%E2%80%9D-operable-in-ultra-high-hydrostatic-pressure--2 ....etc

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Abstract

In foam extrusion, material density is the most significant factor affecting the product cost and therefore the profitability of the manufacturing process. A reduction in the density of extruded parts reduces the raw material cost and therefore increases its profitability. On the other hand, a reduction in foam density degrades the mechanical properties and geometrical accuracy of extruded parts. Therefore, a critical balance has always to be achieved in order to minimize the material cost while maintaining adequate strength and acc ....etc

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Ajaya K Kavala
Department of Physics
Indian Institute of Technology Patna


Introduction to Conducting Polymer
Conjugated Polymer
Organic electronic molecules
Physics of these materials
Applications

What is a polymer?

A long molecule made
up from lots of small
molecules called
monomers

Definition

Mono = Single
Poly = many
mer = Part

Polymer consists of very large number of
monomer assembled by covalent bond
by covalent bond.

Polymers

T ....etc

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Light-emitting polymers



ABSTRACT
The seminar is about polymers that can emit light when a voltage is applied to it. The structure comprises of a thin film of semiconducting polymer sandwiched between two electrodes (cathode and anode).When electrons and holes are injected from the electrodes, the recombination of these charge carriers takes place, which leads to emission of light .The band gap, ie. The energy difference between valence band and conduction band determines the wavelengt ....etc

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yes i am looking polymers for optical storage devices
suguna.s I AM LOOKING POLYMERS FOR OPTICAL STORAGE DEVICES ....etc

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To get full information or details of details on the seminar topic high performance polymers please have a look on the pages

http://seminarsprojects.net/Thread-high-preformance-polymers?pid=30956

http://seminarsprojects.net/Thread-polymer-fiber-reinforced-concrete-pavement

if you again feel trouble on details on the seminar topic high performance polymers please reply in that page and ask specific fields in details on the seminar topic high performance polymers ....etc

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Abstract

Approaching the material from a chemistry and engineering perspective, High Performance Polymers presents the most reliable and current data available about state-of-the-art polymerization, fabrication, and application methods of high performance industrial polymers.
High performance polymers can have excellent tribological properties however; disappointment may occur if the fundamentals are not fully understood. For example, glass fibre reinforcements wear the steel counter surface ....etc

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