Acrylic resin and antifouling coating
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United States of America Patent
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Jan 25, 2005
Grant Date -
Jul 24, 2003
app pub date -
Dec 26, 2002
filing date -
Dec 26, 2001
priority date (Note) -
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Abstract
The present invention has for its object to provide an antifouling coating improved in such a manner that the coating film formed therefrom may retain a steady polishing rate over a long period and be not ready to develop cracks and other defects, thus exhibiting a excellent long-term antifouling performance. The composition contains an acrylic resin having at least one group represented by the following general formula (1): ##STR1## (wherein R.sup.1, R.sup.2 and R.sup.3 may be the same or different and each represents a hydrocarbon residue of 1 to 20 carbon atoms) in its side chain and additionally at least one group represented by the following general formula (2): ##STR2## (wherein x is a group represented by the formula: ##STR3## n is equal to 0 or 1; Y represents a hydrocarbon; M represents a divalent metal; and A represents a monobasic organic acid residue) in its side chain.
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