Benzylsilyl(meth)acryloyl-containing polymers for marine coating compositions
OwnerMichael Abrams, Mark Aubart +1inventors
InventorsMichael Abrams, Mark Aubart, Gary Silverman
Life of this patent
Estimating the term…
Abstract
This invention relates to polymers for self-polishing marine antifouling coatings. More particularly, the invention relates to polymer binders, which provide an erosion rate in seawater that is suitable for use in marine antifouling coatings. These polymer binders contain pendant benzylsilylacrylate groups. Additionally it was found that marine antifouling coatings could be formed with lower silyl acrylate levels using the monomers of the invention, and still achieve a suitable erosion rate in seawater.
Claims20
1) A polymer composition useful as a binder in a marine antifoulant coating comprising as monomer units:
- a) 0.01 to 20 mole percent of one or more substituted or unsubstituted benzylsilyl(meth)acrylate units;
- and
- b) 80 to 99.99 mole percent of one or more ethylenically unsaturated monomer units copolymerizable with the benzylsilyl(meth)acrylate units.
10) A copolymer composition useful as a binder in a marine antifoulant coating composition comprising a copolymer having the formula:
- -[A]-[B]-, where A is present at from 0.01 to 20 mole percent and comprises one or more XSiR3 units, wherein each R may be the same or different and represents a substituted or unsubstituted alkyl, heteroalkyl, aryl or heteroaryl, or H, and at least one R is a substituted or unsubstituted benzyl group, where X is the residue of a methacryloxy or acryloxy group, and where B represents the residue of one or more ethylenically unsaturated monomers.
Dependencies are inferred from the claim text.