Antifouling paints having fumaric acid ester polymer
AssigneeNippon Oil and Fats Co., Ltd.
InventorYoshihiro Honda
Life of this patent
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Abstract
Paint compositions to be used for preventing deposition of organisms on marine structures or fishingnets used in the sea contain, as a vehicle, polymers obtained by polymerizing at least one of the unsaturated acid ester monomers shown by the general formula R.sub.1 OOC--CX.dbd.CY--COOR.sub.2 wherein R.sub.1 and R.sub.2 are alkyl groups having 1-4 carbon atoms, and X and Y are hydrogen, alkyl groups having 1 or 2 carbon atoms or halogen, or copolymerizing the unsaturated acid ester monomers having the above described formula with unsaturated monomers copolymerizable therewith. The coating film of the paint compositions has a high strength and a moderate solubility in sea water and exhibits a very high antifouling activity for a long period of time.
Claims8
Antifouling paints containing as a vehicle polymers having a weight average molecular weight of 1,000-100,000 obtained by polymerizing at least one of the unsaturated acid ester monomers shown by the general formula
- R.sub.1 OOC--CX.dbd.CY--COOR.sub.2
- wherein R.sub.1 and R.sub.2 are alkyl groups having 1-4 carbon atoms, and X and Y are hydrogen, alkyl groups having 1 or 2 carbon atoms, or halogen, or by copolymerizing a major amount of the unsaturated acid ester monomers having the said formula with ethylenically unsaturated monomers free of free carboxyl and hydroxyl groups.
Dependencies are inferred from the claim text.