Zusammenfassung der Ressource
SMART AND MODERN
MATERIALS AND ADHESIVE
- NEW AND SMART MATERIALS
- Smart materials respond to
their environment and allow
us to personalise products.
- They improve its performance
without increasing its complexity
- Examples: Smart grease gives
the closing mechanism of a CD
player a beautifully smooth
action.
- Many new materials allow existing
products to be miniaturised or give
us the ability to dramatically
improve their performance.
- Optical fibres can transport light over
200km and are used in telecommunications
, computers and in surgery.
- ADHESIVE
- SCHOOL ADHESIVES
- PVA (Polyvinyl acetate)
- What is it?
White,
water-based
adhesive.
- How does it work?
Soaks into surface, creating a strong bond.
- No care needed.
- Synthetic Resin
- What is it?
Waterproof adhesive
- How does it work?
Chemical hardening occurs
when mixed with water.
- Will set in water. Don't wash down
the sink as it will block the pipes!
- Epoxy Resin
- What is it?
Versatile resin
adhesive
- How does it work?
When mixed with
hardener, becomes very
hard substance
- No care needed
- Contact Adhesive
- What is it?
Solvent adhesive
- How does it work?
Both surfaces are
coated with this, and
allowed to become
touch-dry before being
placed together
- Solvent fumes are
dangerous! Esure good
ventilation
- Solvent Cement
- What is it?
Clear solvent
- How does it work?
Dissolves sticky platics so
they become sticky
- Solvent fumes are dangerous!
Ensure good ventilation
- Latex Adhesive
- What is it?
Rubber-based
adhesive solution
- How does it work?
Sticks together
fabrics and other
substances
- Smells unpleasant but fumes are not
dangerous. Some people are allergic to
latex.
- Hot Melt Glue
- What is it?
Usually
polythene glue
- How does it work? Heated
and placed in an injector
'gun' for easy applying
- The glue