Polyacrylate antifouling copolymerization resin with side chain comprising benzisothiazolinone and preparation method thereof
An antifouling copolymer resin, benzisothiazolinone technology, applied in the direction of biocide-containing paints, antifouling/underwater coatings, coatings, etc., can solve the problem of short antifouling period and difficult antifouling coatings. Problems such as uniform and controlled release of pollutants
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Embodiment 1
[0010] In a 500ml four-necked flask equipped with a reflux condenser and a thermometer, add 150g N, N-dimethylformamide, add 15g N-acryloxymethylbenzisothiazolinone, 65g methyl methacrylate, 20g Butyl acrylate, 1g of azobisisobutyronitrile, heated up to 80°C while stirring with nitrogen gas, kept the temperature at 82±2°C for 5 hours, and cooled down to obtain light yellow, clear and transparent side chain containing benzisothiazolinone Polyacrylate antifouling copolymer resin1.
Embodiment 2
[0012] In a 500ml four-necked flask equipped with a reflux condenser and a thermometer, add 150g N,N-dimethylformamide, add 15g N-methacryloyloxymethyl benzisothiazolinone, 61g methyl methacrylate Esters, 24g of butyl acrylate, 1g of azobisisobutyronitrile, heated up to 80°C while stirring with nitrogen gas, kept the temperature at 82±2°C for 5 hours, and cooled down to obtain a light yellow, clear and transparent side chain containing benzo Isothiazolinone polyacrylate antifouling copolymer resin 2.
Embodiment 3
[0014] In a 500ml four-neck flask equipped with a reflux condenser and a thermometer, add 150g N,N-dimethylformamide, add 15g N-methacryloyloxymethyl benzisothiazolinone, 55g methyl methacrylate Ester, 20g butyl acrylate, 10g vinyl acetate, 1.5g azobisisobutyronitrile, stir and heat up to 80°C while blowing nitrogen gas, keep the reaction at 82±2°C for 5 hours, cool down, and obtain a light yellow, clear and transparent side Chain-containing benzisothiazolinone polyacrylate antifouling copolymer resin 3.
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