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Applications
Over the past 20 years, ethylcellulose polymers have been used in the manufacture of an increasing variety of resistor networks, hybrid integrated circuits, hybrid integrated networks, and components for all segments of the electronics industry: military, industrial, data processing, medical, automotive, telecommunications, and consumer. Ethylcellulose is the organic binder in a formulated high tech paste ink. This paste ink can be formulated to be conductive, resistive, or dielectric. Circuit patterns are produced with automated screen printing machines. After the pattern is printed, it is dried and then fired in a furnace to "burn off" the binder, leaving only the active ingredient on the substrate in the desired pattern. If the active ingredient is precious metal particles, then the pattern will be conductive. If the active ingredient is fine glass particles, the pattern will be insulating. Ethylcellulose keeps the active ingredients in suspension before firing and also supplies fluid properties for the screen printing process. The high purity of ethylcellulose allows it to burn off evenly and completely. Terpanol solvent is the most common solvent used in the application. Find information on other Dow products used in ink/coating applications. ®™* Trademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow |
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