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Author: Subject: X-mas ornaments from CD covers
Doktor Klawonn

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Registered: 20-11-2010
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[*] posted on 21-12-2010 at 13:33
X-mas ornaments from CD covers


This experiment for recycling of polymers is suited well for the christmas time.


- hotplate
- cookie cutters of metal
- aluminum foil
- transparent CD cover of polystyrene (PS)[1]


Little amounts of styrene may be evolved. Work outside or in a fumehood.


A hotplate is covered with aluminum foil and set to 200°C. The cookie cutters are placed on it. A CD cover is broken into small pieces.

xmas1.JPG - 26kB xmas2.JPG - 13kB

The pieces are put into the cookie cutters. After about 90 minutes there should be a more or less even melt.[2]

xmas3.JPG - 24kB xmas4.JPG - 25kB

The foil with everything on it is put aside and let cool down. The cutters and the foil are removed after that. Here you can see the product:[3]

xmas5.JPG - 15kB

Christmas ornaments from recyceled plastics!


[1] You can use other polymers such as polyethylene (PE) or polypropylene (PP). The product will not be transparent then.
[2] More patience results in a nicer product. Temperature could be even lower then.
[3] You can add other types of polymers or the same type of a different color into the melt to obtain more interesting objects.

This experiment in a video.
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