Ternary antifouling compositions and methods
AssigneeThe Texas A&M University System
InventorsKaren L. Wooley, Jeffery E. Raymond, Kevin A. Pollack, Philip M. Imbesi
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Abstract
Compounds for mitigation of biofouling, and methods of making compounds for biofouling. Terpolymers comprising hyperbranched fluoropolymers possessing unique topology mitigate fouling on susceptible surfaces. In some embodiments, the terpolymers comprise PEG and PDMS.
Claims32
A compound for reducing biofouling, the compound represented by Formula A:
- wherein:
- n is selected from an integer between 1 and 15 inclusive;
- x is selected from a number between 0.01 and 0.99, where y=(1−x);
- m is selected from an integer between 1 and 250 inclusive;
- R is selected from the group consisting of
- and R′ is selected from the group consisting of
- wherein p and q are integers independently selected from between 1 and 250 inclusive and R″ is another domain of Formula A or Hydrogen.
(canceled)
A method for preparing a compound for mitigating biofouling comprising:
- (a) reacting 2,3,4,5,6-pentafluorostyrene with polyethylene glycol to obtain a product represented by Formula I below:
- wherein n is selected from an integer between 1 and 15 inclusive;
- (b) reacting the product obtained in (a) with 2-bromopropionyl bromide to obtain a product represented by Formula II below:
- and (c) reacting the product obtained in (b) with 2,3,4,5,6-pentafluorostyrene to obtain a branched fluoropolymer represented by Formula III below:
- wherein n is selected from an integer between 1 and 15 inclusive;
- x is selected from a number between 0.01 and 0.99, where y=(1−x);
- and m, q, and p are independently selected from an integer between 1 and 250 inclusive;
- and
- (d) reacting the branched fluoropolymer obtained in (c) with bisaminopropyl-polyethylene glycol having between 1 and 250 monomer units and bisaminopropyl-polydimethylsiloxane having between 1 and 250 monomer units to obtain a terpolymer of the branched fluoropolymer, polyethylene glycol and polydimethylsiloxane.
A compound for mitigating biofouling, the compound prepared by a method comprising:
- (a) reacting 2,3,4,5,6-pentafluorostyrene with polyethylene glycol to obtain a product represented by Formula I below:
- wherein n is selected from an integer between 1 and 15 inclusive;
- (b) reacting the product obtained in (a) with 2-bromopropionyl bromide to obtain a product represented by Formula II below:
- (c) reacting the product obtained in (b) with 2,3,4,5,6-pentafluorostyrene to obtain a branched fluoropolymer represented by Formula III below:
- wherein n is selected from an integer between 1 and 15 inclusive;
- x is selected from a number between 0.01 and 0.99, where y=(1−x);
- and m is selected from an integer between 1 and 250 inclusive;
- and
- (d) reacting the branched fluoropolymer obtained in (c) with chain bisaminopropyl-polyethylene glycol having between 1 and 250 monomer units and bisaminopropyl-polydimethylsiloxane having between 1 and 250 monomer units to obtain a terpolymer of the branched fluoropolymer, polyethylene glycol and polydimethylsiloxane.
(canceled)
A composition for mitigating biofouling, wherein the composition comprises the compound represented by Formula A:
- wherein n is selected from an integer between 1 and 15 inclusive;
- x is selected from a number between 0.01 and 0.99, where y=(1−x);
- and m is selected from an integer between 1 and 250 inclusive;
- and
- wherein R is selected from the group consisting of
- and R′ is selected from the group consisting of
- wherein R″ is another domain of Formula A or Hydrogen.
(canceled)
A method of mitigating biofouling comprising contacting a surface susceptible to biofouling with a compound represented by Formula A:
- wherein n is selected from an integer between 1 and 15 inclusive;
- x is selected from a number between 0.01 and 0.99, where y=(1−x);
- m is selected from an integer between 1 and 250 inclusive;
- and
- wherein R is selected from the group consisting of
- R′ is selected from the group consisting of
- wherein R″ is another domain of Formula A or Hydrogen.
Dependencies are inferred from the claim text.