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FACULTY OF ENGINEERINGCHEMICAL DEPARTMENT3TH YEAR Polycarbonat eUnder supervisionDr/Wael Abd El-Moez

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Members Of Smile Group Roaa Makram Basma Mohammed Nada Abo El-soued Zeinab Saied Fatma Tony Shimaa Saed Mary Sedek

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HistoryDefinitionChemical StructureChemical ReactionPropertiesApplicationPriceFlow Sheet

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The purpose of thispresentation PC is a good material choice in industry not only due to its characteristics, but also because its processing is environmentally friendly, and it can be recycled

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History1-PC was developed in 1953by the German scientist"Hermann Schnell" who waschemist in German company"Bayer"2-PC was introduced in UnitedStates Of America in 1960 bythe general electric company3- finally in China

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Definitio nPC known by the trademarkednamesLexan, Makrolon, Makroclear andothers, are a particular group ofthermoplastic polymers. They areeasily worked, molded, andthermoformed. Because of these

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ChemicalStructure

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Chemical Reaction1-Polycarbonate beginswith the monomerbisphenol "A".

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THE FINAL REACTION

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process Extrusion MoldingThe molten PC is The PC melt is pressedpassed through a die into a mold with thethat gives the material its defined shape of thefinal shape. final product.Long pipes and sheets This process is ideal forare created by this specific parts such asprocess automotive and computer parts

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Flow Sheet Of the process

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Classification of polycarbonateReaction to stress and temperatureThermoplastic (can be recycled)

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Molecular Arrangementall the chains become tied together to forma crosslinked material that looks like this:

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Morphology Of StructureStructure of crystalline polycarbonate

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METHODS USED FOR PRODUCTIONCONDENSATION REACTION

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MECHANICAL STRENGTH AND BEHAVIORPolycarbonates is elastomericelastomer is an amorphous polymer with a specialmolecular structure looking like mixed up spaghetti’shaving in addition many cross links

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properties1-Strong

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3-high refractive index

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high4-impact resistance

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5-wide temperature range6-very durable

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2-Lenses

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3-polycarbonate industrial equipmentand housing componentBottles

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4-Furniture

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7-Medical

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8-electrical insulator

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Summary of application

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What is the differencebetween Polycarbonate and other commonlysold plastics?

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PRICESClear plastic roofing sheet polycarbonate prices $2.65-3.8 / Kilogram

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Polycarbonate solid sheet $3.78-6.82 / Kilogram

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Lexan polycarbonate Price: US $4-7 / Kilogram

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Block flow diagram