| 摘要 |
Marine paint composition comprising: a first polymer comprising from 20 to 7 0 wt% of monomer units A of at least one hydrolysable either tin or silicium ester of an olefinically unsaturated carboxylic acid or salt of copper, zinc , calcium of an olefinically unsaturated carboxylic acid, the balance being monomer units C selected from the group consisting of esters of ethylenicall y unsaturated carboxylic acids with C1-C18 alcohols, styrene, alpha-methyl styrene, vinyl toluenes, and mixtures thereof; a second polymer comprising from 5 to 40 wt% of at least one monomer B selected from the group consistin g of the N-vinyl lactam monomers of general formula CH2=CH-NR'''''-CO-R', the N- vinyl amides of general formula CH2=CH-N-CO-R'', the monomers of general formula CH2=CR'''-COO-R''''-NR'''''-CO-R', the monomers of general formula CH2=CR'''-COO-R''''-N-CO-R'', 2-pyrrolidone-1-isoprenyl ketone, and mixtures thereof, wherein R' is a n-alkylidene radical having 2 to 8 carbon atoms, -R '' is selected from the group consisting of alkyl, cycloalkyl, aryl, alkylaryl and arylalkyl radicals having a maximum of 18 carbon atoms, R''' is H or CH3 , R'''' is a n-alkylidene radical having from 1 to 8 carbon atoms, R''''' is H or R'', the balance being monomer units C selected from the group consisting of esters of ethylenically unsaturated carboxylic acids with C1-C18 alcohols , styrene, alpha-methyl styrene, vinyl toluenes, and mixtures thereof; at leas t one antifoulant; the ratio of the first polymer comprising monomer units A t o the second polymer comprising monomer units B being of from 95:5 to 10:90.</ SDOAB> |
