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US 2010/0249267 A1Published application
Marine coatings
AssigneeWashington University
InventorsShaoyi Jiang, Hong Xue, Shengfu Chen
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Abstract
Marine coatings including cationic polymers hydrolyzable to nonfouling zwitterionic polymers, coated marine surfaces, and methods for making and using the marine coatings.
Claims35
A marine coating, comprising a cationic polymer comprising:
- (a) polymer backbone;
- (b) a plurality of cationic centers, each cationic center covalently coupled to the polymer backbone by a first linker;
- (c) a counter ion associated with each cationic center;
- and
- (d) a hydrolyzable group covalently coupled to each cationic center through a second linker, wherein the hydrolyzable group is hydrolyzable to an anionic center to provide a zwitterionic polymer having the anionic center covalently coupled to the cationic center through the second linker.
2 more elements
A marine coating, comprising a copolymer having the formula:
- wherein
- R1 is independently at each occurrence selected from the group consisting of hydrogen, methyl, and ethyl;
- R2 and R3 are independently selected from the group consisting of C1-C20 alkyl and fluoroalkyl;
- R4 is selected from the group consisting of C1-C20 alkyl, C6-C12 aryl, and tri(C1-C8 alkyl) silyl;
- R is a cationic center selected from ammonium, imidazolium, triazaolium, pyridinium, morpholinium, oxazolidinium, pyrazinium, pyridazinium, pyrimidinium, piperazinium, and pyrrolidinium;
- m is an integer from 1 to 20;
- n is an integer from 5 to about 100,000;
- p is an integer from 1 to 20;
- and
- q is an integer from 5 to about 100,000.
7 more elements
A marine coating, comprising a copolymer having the formula:
- wherein
- R1 and R2 are independently selected from C1-C20 alkyl and fluoroalkyl;
- R is a cationic center selected from ammonium, imidazolium, triazaolium, pyridinium, morpholinium, oxazolidinium, pyrazinium, pyridazinium, pyrimidinium, piperazinium, and pyrrolidinium;
- p is an integer from 1 to 20;
- q is an integer from 1 to 20;
- m is an integer from 5 to about 100,000;
- and
- n is an integer from 5 to about 100,000.
5 more elements
Dependencies are inferred from the claim text.