Smart putty has been available for a long time as
an amusement, but this visco-elastic polymer has serious engineering
applications.
Soft, stretchy and bendy when moved slowly, solid
when trying to move quickly or impacted.
It has the remarkable property that it usually
behaves as a soft mould-able plastic (like chewing gum), but instantly becomes
a rubber if impacted and bounces like a ball. It can also float in a liquid and
will form a puddle given enough time. It is a great demonstration of an unusual
polymer, a useful adhesive and can be used in many creative and fun activities.
Supplied: 100g in a plastic container.
Reasons to Love
Cross applications in Science, Design
Technology classes.
Learning Outcomes
Key Stage 3 Chemistry - Materials: Properties
of ceramics, polymers and composites (qualitative)
Key Stage 4 Chemistry - Structure, Bonding and
the Properties of Matter: Smart Materials and Their
Properties. Bulk properties of materials related to bonding and
intermolecular forces
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