# US 2019/0169463 A1 · Amphiphilic block copolymer and coating arrangement

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- Number: US 2019/0169463 A1
- Document ID: US20190169463A1
- Status: Published application
- Kind: A1
- Application number: 16/314,630
- Filed: 2017-06-30
- Published: 2019-06-06
- Earliest claimed: 2016-06-30
- Assignees: Freie UniversitäT Berlin
- Applicants: Freie UniversitäT Berlin
- Inventors: Rainer HAAG; Marie WEINHART; Qiang WEI; Leixiao YU
- Web page: https://patentgrep.com/patent/US20190169463A1

## CPC

- C09D 171/02: Polyalkylene oxides
- C08G 65/00: Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G 65/22: Cyclic ethers having at least one atom other than carbon and hydrogen outside the ring
- C08G 65/3348: {containing nitrogen in addition to sulfur}
- C08G 83/00: Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C09D 5/00: Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced {(electrically insulating plastics, resins or waxes H01B3/30)}; Filling pastes
- C09D 201/00: Coating compositions based on unspecified macromolecular compounds
- C09D 201/02: characterised by the presence of specified groups {, e.g. terminal or pendant functional groups}
- C09D 201/025: {containing nitrogen atoms}
- C09D 201/06: containing oxygen atoms {(C09D201/025 takes precedence)}
- C12M 23/20: {Material Coatings (immunocoatings C12M25/00)}
- C08G 2150/00: Compositions for coatings
- C08G 2650/10: characterized by the catalyst used in the post-polymerisation functionalisation step
- C08G 2650/54: Polyglycerols
- C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D)
- C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C12M: APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; {APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS}

## Abstract

The disclosure relates to an amphiphilic block copolymer comprising a first block consisting of a polymeric hydrophilic domain, wherein the polymeric hydrophilic domain consists of a polyglycerol; an optional second block consisting of a hydrophobic domain and a first linker domain, wherein the second block is covalently bound to the first block via the first linker domain, an optional third block consisting of a catechol domain and a second linker domain, wherein the third block is covalently bound to the first block via the second linker domain; and a fourth block consisting of a crosslinking domain and a third linker domain, wherein the fourth block is covalently bound to the first block via the third linker domain, wherein the crosslinking domain comprises a reactive residue enabling a crosslinking between individual molecules of the amphiphilic block copolymer.

## Claims

### Claim 1

An amphiphilic block copolymer comprising:
a first block consisting of a polymeric hydrophilic domain, wherein the polymeric hydrophilic domain consists of a polyglycerol,
an optional second block consisting of a hydrophobic domain and a first linker domain, wherein the second block is covalently bound to the first block via the first linker domain, wherein the hydrophobic domain is chosen from the group consisting of aromatic residues having 3 to 20 carbon atoms, aliphatic residues having 3 to 20 carbon atoms, oligo(dimethylsiloxane), and poly(dimethylsiloxane),
an optional third block consisting of a catechol domain and a second linker domain, wherein the third block is covalently bound to the first block via the second linker domain, wherein the catechol domain comprises at least one catechol residue, and
a fourth block consisting of a crosslinking domain and a third linker domain, wherein the fourth block is covalently bound to the first block via the third linker domain, wherein the crosslinking domain comprises a reactive residue enabling a crosslinking between individual molecules of the amphiphilic block copolymer, wherein the reactive residue is at least one residue chosen from the group consisting of amines, thiols, allyls, vinyls, azides, alkynes, carboxyls, anhydrides, aldehydes, and benzophenone,
wherein the second block and the third block are only optional if the reactive residue of the fourth block is a benzophenone.

### Claim 2 (depends on 1)

The amphiphilic block copolymer according to claim 1, wherein the block copolymer only comprises the first block and the fourth block.

### Claim 3 (depends on 1)

The amphiphilic block copolymer according to claim 1, wherein in the reactive residue of the fourth block is a benzophenone.

### Claim 4 (depends on 1)

The amphiphilic block copolymer according to claim 1, wherein the block copolymer comprises the first block, the second block, the third block, and the fourth block.

### Claim 5 (depends on 1)

The amphiphilic block copolymer according to claim 1, wherein the first linker domain and/or the second linker domain and/or the third linker domain is an alkane having 1 to 20 carbon atoms, wherein a hydrocarbon chain of the alkane can be interrupted by one or more oxygen, nitrogen and/or sulfur atoms and/or can be substituted by a group comprising one or more oxygen, nitrogen and/or sulfur atoms.

### Claim 6 (depends on 1)

The amphiphilic block copolymer according to claim 1, wherein it comprises 1 to 20 second blocks and 1 to 20 third blocks.

### Claim 7 (depends on 1)

The amphiphilic block copolymer according to claim 1, wherein a ratio between the number of hydrophilic monomers of the hydrophilic domain and the number of hydrophobic domains is between 10:1 and 100:1.

### Claim 8 (depends on 1)

The amphiphilic block copolymer according to claim 1, wherein it comprises a functional domain covalently bound to the hydrophilic domain, wherein the functional domain comprises a functional group that facilitates chemical reactions of the hydrophilic domain.

### Claim 9 (depends on 1)

A coating arrangement comprising a substrate and an amphiphilic block copolymer according to claim 1 bonded onto a surface of the substrate.

### Claim 10 (depends on 0)

The coating arrangement according to claim 0, wherein the amphiphilic block copolymer is bonded to the surface of the substrate in form of a monolayer.

### Claim 11 (depends on 0)

The coating arrangement according to claim 0, wherein the amphiphilic block copolymer is bonded to the surface of the substrate by different types of bonds at the same time.

### Claim 12 (depends on 0)

The coating arrangement according to claim 0, wherein the substrate comprises at least one material chosen from the group consisting of metals, metal alloys, metal oxides, glass, SiO2, graphene, and polymers.

### Claim 13 (depends on 0)

The coating arrangement according to claim 0, wherein the substrate comprises a material that is coated by hydrophobic compounds.
