Erodible terpolymer from tributyl tin acrylate or methacrylate a

Details Erodible terpolymer from tributyl tin acrylate or methacrylate a Erodible terpolymer from tributyl tin acrylate or methacrylate a

1984-03-23

1985-07-30

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

526240, C08L 3308

Patent

active

045322694

ABSTRACT:
A novel polymeric binder for an antifouling paint includes greater than 2.5 to less than 25 mole percent of a unit from a tributyltin acrylate or methacrylate monomer group, an acrylic or methacrylic ester monomer unit having selected substituent groups in the ester moiety so that the ester is hydrolyzable at a suitable rate in seawater, and a copolymerizable ethylenically unsaturated monomer unit.
The presence of the hydrolyzable ester group in the polymer binder of the present invention enables the paint to erode at a desired rate in seawater even with the low tin content in the polymer, thereby providing a desired low level of tin in solution and exposing a fresh paint surface periodically.

REFERENCES:
patent: 4064338 (1977-12-01), Russell
patent: 4157999 (1979-06-01), Matsuda et al.

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