Organic Chemistry- Superabsorbent Polyacrylate Gel

Bromination of Saturated and Unsaturated Hydrocarbons

Blue Bottle

Dehydration of Sugar by Sulfuric Acid

Disappearing Coffee Cup

Formation of a Silver Mirror

Models 360

Nylon 6 – 10

Organic Synthesis With Familiar Materials

Oxidation of Primary, Secondary, Tertiary Alcohols

Oxidation of Luminol

Polyurethane Foam

Slime

Underwater Fireworks: Chlorination of Acetylene

Carbide Lamp

Differences in Miscibility of Organic Alcohol With Increasing Chain Length

Combustion of Cellulose Nitrate (Guncotton)

Different Smells of Carvone Isomers

Distinguishing Between HD and LD Polyethylene

Enviro-bond: Cleaning Oil Spills

Esterification Using a Dean-Stark Trap

Ethanol Cannon

Happy/Sad Balls

IR Demonstration I – Atomic Coupling

IR Demonstration II – Molecular Vibrations

IR Demonstration III – Molecular Vibrations

Making a Rubber Band from Latex

Plastic Samples

Reaction Intermediates in Organic Chemistry

Reducing Sugar and Fehling’s Solution

Rod Climbing by a Polymer Solution

Rotating Rainbows

Silly Putty

Soap Emulsifies Hydrocarbons

Superabsorbent Polyacrylate Gel

Tubeless Siphon

Alkimers

Aniline Hydrochloride-Formaldehyde Polymer

Phenol-Formaldehyde Polymer

Saponification

Relative Reactivity of Reducing Agents

Electrophilic Aromatic Substitution Reaction/EAS Reaction

Reactivity of Alkanes vs Aromatic Compounds

Inductive Effect

Optical Activity of Racemic Mixtures With Limonene

Relationship of Absorbed Light to Observed Color

Density and Miscibility of Liquids

Extraction of Copper Ions from Solution with Orform®

Gel Formation with Sodium Alginate and Calcium Chloride

Ozonolysis

Hydrolysis of T-Butyl Chloride: A Lecture and Lab Experiment

Superabsorbent Polyacrylate Gel

Description: The powder found in disposable diapers absorbs large amounts of water. Salt  breaks the gel.

Source: Shakhashiri, B.Z.  Chemical Demonstrations: A Handbook for Teachers of Chemistry

Year: 1989   Vol:  Page: 368

Keywords: Polyacrylate, Gels, Water, Diapers

Rating:

Hazard: Some

  • Serious eye irritation

Effectiveness: Average

  • Somewhat connected conceptually to course material
  • Results are observable without guidance
  • Moderate failure rate
  • Time to results is very low
  • Mild effects are seen by audience

Difficulty: Medium

  • Some sequential manipulations
  • Some intermediate steps to results
  • Prior practice or training recommended
  • Simple procedures

Safety Precautions:

  • Eye protection required
  • Gloves required
  • Absorbent materials on hand
  • Avoid exposure to dusts
  • Perform in a well-ventilated area

Class: Polymers

Division: General, Organic Chemistry