Polyurethane Foam
Description: Polyurethane foam is produced by mixing two liquids, a polyether polyol and a polyfunctional isocyanate. A rigid foam is produced which is many times larger than the original volume.
Source: Shakhashiri, B.Z. Chemical Demonstration: A Handbook for Teachers of Chemistry
Year: 1983 Vol: 1 Page: 216
Keywords: Polymers, Polyurethane, Polyol, Isocyanate
Rating: 
Hazard: Some
- Acute toxicity hazard
- Flammable liquids
- Inhalation hazard
- Skin irritation
Effectiveness: Average
- Results are observable without guidance
- Somewhat connected conceptually to course material
- Mild effects are seen by audience
- Contrast between systems is noticeable
- Good reliability
- Time to result is medium
Difficulty: Medium
- Some concerted or timed manipulations
- Handling of organic chemicals
- Simple procedures
Safety Precautions:
- Eye protection required
- Gloves required
- Perform in well-ventilated area
- Perform on temporary surface such as newspaper
Class: Polymers, Organic Chemistry, Macromolecules
Division: General, Organic Chemistry
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