Phenol-methanal polymerisiation

Description

In this experiment, a pink thermosetting polymer is formed, and its properties can be investigated.

Credits

:
This is an experiment from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry.
phenol-methanal-polymeris...



Apparatus Chemicals

The teacher will need:

Eye protection: goggles

Disposable nitrile gloves (for handling the polymer)

Access to a fume cupboard visible to the class

Measuring cylinder (100 cm3)

Beaker (100 cm3, 250 cm3), 1 of each

Throw-away containers with secure lids, at least 2 (Note 1)

Stirring rod

Spatula

Plasticine

Tongs

Object of simple shape for making suitable mould (Note 2)

Bunsen burner (optional)

Quantities are for one demonstration:

Methanal solution (formalin), 37-40%, (TOXIC), 25 cm3

Phenol (TOXIC, CORROSIVE), 20 g (Note 3)

Ethanoic acid, pure (glacial acetic acid) (CORROSIVE), 55 cm3

Sulfuric acid, concentrated (CORROSIVE), 30 cm3(Note 4)

Aluminium foil

Refer to Health & Safety and Technical notes section below for additional information.

 






In this experiment, a pink thermosetting polymer is formed, and its properties can be investigated.

ADDITIONAL INFORMATION

This is a resource from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry. This collection of over 200 practical activities demonstrates a wide range of chemical concepts and processes. Each activity contains comprehensive information for teachers and technicians, including full technical notes and step-by-step procedures. Practical Chemistry activities accompany Practical Physics and Practical Biology.