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picture1_Bulk Polymerization Example 91910 | Bulk Polymerization Of Styrene


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File: Bulk Polymerization Example 91910 | Bulk Polymerization Of Styrene
Bulk polymerization of Styrene Ingredients: 1. 4gm Styrene (l) 2. 35mg AIBN (s) 3. Toluene (l) (to dissolve the polystyrene) ~30ml 4. Propanol (l) ( to precipitate the polystyrene ) ...

icon picture PDF Filetype PDF | Posted on 16 Sep 2022 | 2 years ago
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...Bulk polymerization of styrene ingredients gm l mg aibn s toluene to dissolve the polystyrene ml propanol precipitate hot plate and a water bath procedure place in heat c you need enough submerge contents test tube add excess beaker stir with glass rod is used initiate on heating above reacts stabilizer bht which free radical scavenger present can also distill remove for cleaner reaction about mins will notice solution getting thicker indicating formation from dip cold few minutes quench it be ideal use ice quenching but tap works process either solidify or really thicken transfer remaining total well good solvent monomer polymer once dissolved while stirring non has some miscibility immediately white continue at this time after let settle down couple more see chunk form decant wash times removed dried filter paper precautions vapors are potentially carcinogenic still under debate check wiki page may cover reduce release small amounts conducted no hood as long room relatively ventilate...
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