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BRANDEIS UNIVERSITY CHEMISTRY 29A PRELAB WRITEUP AND EXPERIMENTAL REPORT SHEET NAME_ T.A.’S NAME DATE_________ EXPERIMENT # __10_____ TITLE Nylon Synthesis Purpose: To synthesize nylon 6,10 by a condensation reaction PRELIMINARY WRITEUP* (INCLUDING EQUATIONS, TABLE OF MATERIALS, THEIR AMOUNTS AND CONSTANTS. AND PRELAB QUESTIONS. Place these questions on the reverse of this page) (* use reverse of both sheets if necessary) Substance Purpose Molecular Weight (g/ mol) Theoretical amount used (g) Other notes Formic Acid Nylon solvent N/A Acetone Nylon solvent N/A Methanol Nylon solvent N/A Thionyl chloride Activates carboxylic acid, forming an acid chloride Sebacic acid A Carboxylic acid, reacts with thionyl chloride to form the reactive acid chloride Hexane-1,6 diamine A diamine that undergoes condensation reaction with the acid chloride forming an amide N,N dimethylformamide Acid chloride generation Reaction solvent N/A dichloromethane Organic Reaction solvent N/A Sebacoyl chloride Acid chloride, reacts with diamine in condensation reaction forming an amide N/A In Situ Water Diamine solvent N/A Sodium hydroxide Used to react away the produced hydrochloric acid N/A Silicone grease Used to prevent polymer adhesion to the reaction beaker N/A Hydrochloric acid Product, drives both reactions forward N/A Sulfur dioxide Product, drives acid chloride reaction forward N/A Nylon 6,10 Product Unknown (condition dependent)
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EXPERIMENTAL PROCEDURES* (include in preliminary writeup) 1. in a reaction tube add 0.02 mol of propionic acid and 0.02 mol of isoamyl alcohol 2. add 0.4g dowex resin and boiling chips 3. attach empty distilling column to reaction tube (usage as
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This note was uploaded on 09/21/2008 for the course CHEM 29B taught by Professor Cziplack during the Spring '08 term at Brandeis.

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