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Initiate interest in polymer chemistry with this teacher-led, student-engaged demonstration kit. Students first predict what will happen during the demo based on their previous knowledge, and then observe the demo’s dramatic polymerization reaction form a rigid foam. Next, they model or illustrate the process of polymerization and answer big-picture questions that more deeply probe the reaction mechanism. This demo requires approximately 15 min and materials are sufficient for up to 10 demos.
|Polyurethane Solution Part A, 200 mL||1||Included|
|Polyurethane Solution Part B, 200 mL||1||Included|
|Medicine Cups, 1 oz||20||Included|
|Teacher’s Manual with Reproducible Student Guide||1||Included|
|Gloves||Needed, Not Included|
|Safety Goggles||Needed, Not Included|
|Trash Bag or Lab Mat, 2 ft Square||Needed, Not Included|
|Permanent Marking Pen||Needed, Not Included|
|Paper Towels||Needed, Not Included|