Environmental Engineering Reference
In-Depth Information
a)
Threshold biocide
release
Biocide
Lifetime
Time
b)
Biocide
Empty space
Threshold biocide
release
Lifetime
Time
Figure 2.14
Method of release of biocides from a) a soluble matrix and b) an
insoluble matrix
2.5.2 Modern Approaches to Anti-fouling Paints
2.5.2.1 Tributyltin Self-polishing Copolymer Coatings
In 1977, Milne and Hails [65] patented a TBT-SPC, a compound which transformed
anti-fouling paints and helped the shipping industries in their ight against biofouling.
TBT-SPC paints are based on an acrylic polymer with TBT groups bound to the
