Nano-coating material, method for manufacturing same, coating agent, functional material, and method for manufacturing same

Patent metadata

Field	Value
Publication number	US-2017214047-A1
Application number	US-201515129911-A
Country	US
Kind code	A1
Filing date	Mar 30, 2015
Priority date	Mar 31, 2014
Publication date	Jul 27, 2017
Grant date	—

Abstract

A nano-coating material, capable of being bonded to the surface of a metal or an alloy substrate, the nano-coating material includes a compound having, in a polymer main chain, (A) a first side chain or a terminal, each having a binding group containing a benzene ring having at least one pair of adjacent hydroxyl groups; and (B) a functional second side chain.

First claim

1 . A nano-coating material, capable of being bonded to the surface of a metal or an alloy substrate,
the nano-coating material comprising a compound having, in a polymer main chain, (A) a first side chain or a terminal, each having a binding group containing a benzene ring having at least one pair of adjacent hydroxyl groups; and (B) a functional second side chain.

2 . The nano-coating material according to claim 1 , wherein the second side chain is hydrophobic.

3 . The nano-coating material according to claim 1 , wherein the second side chain is hydrophilic.

4 . The nano-coating material according to claim 1 , wherein the polymer main chain is a polymer chain comprising carbon (C) single bonds.

5 . The nano-coating material according to claim 1 , wherein the polymer main chain is formed from a copolymer of acrylamide and an acrylate.

6 . The nano-coating material according to claim 1 , wherein the binding group of the first side chain includes a catechol group.

7 . The nano-coating material according to claim 1 , wherein the second side chain has an alkyl group having a number of carbon atoms (C) of from 1 to 12.

8 . The nano-coating material according to claim 1 , wherein the second side chain has a functional group containing a benzene ring.

9 . A method for producing a nano-coating material capable of being bonded to the surface of a metal or an alloy, the method comprising:
a polymerization step for polymerizing a first monomer having a binding group containing a benzene ring having at least one pair of adjacent hydroxyl groups, and a second monomer having a hydrophobic group or a hydrophilic group.

10 . The method for producing a nano-coating material according to claim 9 , wherein the first monomer has an acrylamide group.

11 . The method for producing a nano-coating material according to claim 9 , wherein the second monomer has a methacrylate group.

12 . The method for producing a nano-coating material according to claim 10 , wherein the acrylamide group has a hydroxyl group or an alkyl group having a number of carbon atoms (C) of from 1 to 12.

13 . The method for producing a nano-coating material according to claim 11 , wherein the methacrylate group has a hydroxyl group or an alkyl group having a number of carbon atoms (C) of from 1 to 12.

14 . The method for producing a nano-coating material according to claim 9 , wherein the hydrophobic group includes an alkyl group having a number of carbon atoms (C) of from 1 to 12, or a benzene ring.

15 . The method for producing a nano-coating material according to claim 9 , wherein in the polymerization step, the first monomer and the second monomer are polymerized by a heated reaction using MEW as a polymerization initiator.

16 . A coating agent for a substrate formed from a metal or an alloy, the coating agent comprising the nano-coating material according to claim 1 .

17 . A functional material, comprising the nano-coating material according to claim 1 bonded to the surface of a substrate formed from a metal or an alloy.

18 . The functional material according to claim 17 , wherein a nano-coating film is formed on the surface of the substrate through bonding of the nano-coating material, and the film thickness of the nano-coating film is 100 nm or more and less than 1 μm.

19 . The functional material according to claim 17 , wherein the substrate is a lithium ion battery electrode.

20 . A method for producing a functional material, the method comprising:
a step of dispersing the nano-coating material according to claim 1 in an organic solvent, and preparing a nano-coating material dispersion liquid; and a step of applying the nano-coating material dispersion liquid on a substrate surface by a wet coating method, subsequently drying the dispersion liquid, and thereby bonding the nano-coating material to the substrate surface.

Assignees

• Nat Inst For Materials Science

Inventors

• Naito Masanobu
• PAYRA Debabrata
• Hiromoto Sachiko
• Singh Alok

Classifications

• C09D201/06

  containing oxygen atoms {(C09D201/025 takes precedence)} · CPC title

• C09D201/02

  characterised by the presence of specified groups {, e.g. terminal or pendant functional groups} · CPC title

• H01M10/0525

  Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title

• C09D201/00

  Coating compositions based on unspecified macromolecular compounds · CPC title

• C08F20/56

  Acrylamide; Methacrylamide · CPC title