Biomedical Engineering Reference
In-Depth Information
Figure 10.
Biodiesel production reaction.
The resin was prepared using castor oil and phthalic anhydride (1:1 in moles).
These reactants were poured into a three-necked flask under continuous stirring. Soon
afterwards, the medium was acidified with 0.2 ml sulfuric acid to each gram of the cas-
tor oil. The system was heated until 230°C and kept at this temperature along 1 hr under
constant nitrogen flow. The highly viscous organic medium obtained was removed
from the flask using a spatula. The polymerization reaction is shown in Figure 11,
while the
Figure 12
%
an optical micrography of the alkyd resin obtained through this
reaction.
Figure 11.
Alkyd resin polymerization reaction.
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