Lithium ion battery exterior material
US-9123922-B2 · Sep 1, 2015 · US
Surface treatment agent and surface treatment method
US9701806B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9701806-B2 |
| Application number | US-201314434701-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 7, 2013 |
| Priority date | Oct 12, 2012 |
| Publication date | Jul 11, 2017 |
| Grant date | Jul 11, 2017 |
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Abstract
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A surface treatment agent and a surface treatment method capable of imparting excellent corrosion resistance while enhancing adhesion between a surface of a metal substrate and a resin-containing layer. The surface treatment agent for treating a surface of a metal substrate includes an acrylic resin having a carboxyl group and a hydroxyl group, an oxazoline group-containing compound and metal particles containing at least one of Nb, Ca and Nd. The metal may be in the form of a niobium oxide sol.
First claim
Opening claim text (preview).
The invention claimed is: 1. A surface treatment agent for treating a surface of a metal substrate to form a surface-treated film, the surface treatment agent comprising: an acrylic resin having a carboxyl group and a hydroxyl group, an oxazoline group-containing compound and metal particles, wherein the metal particles are particles containing at least one metal selected from the group consisting of Nb, Ca and Nd, wherein an amount of the metal particles is from 0.05 to 2.5% by mass in terms of metal oxide relative to total amount of the surface treatment agent, wherein a mass ratio of the total amount of the content of the acrylic resin having a carboxyl group and a hydroxyl group and the content of the oxazoline group-containing compound to the content of the metal particles in terms of metal oxide [(the total amount of the content of the acrylic resin having a carboxyl group and a hydroxyl group and the content of the oxazoline group-containing compound)/(the content of the metal particles in terms of metal oxide)] is from 0.4 to 7.5, and wherein the surface-treated film contains metal derived from the metal particles in the amount of 20 to 600 mg/m 2 in terms of metal oxide. 2. The surface treatment agent according to claim 1 , wherein the metal particles are in the form of a niobium oxide sol. 3. A surface treatment method, which comprises applying the surface treatment agent according to claim 1 onto a surface of a metal substrate to form the surface-treated film.
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- What does patent US9701806B2 cover?
- A surface treatment agent and a surface treatment method capable of imparting excellent corrosion resistance while enhancing adhesion between a surface of a metal substrate and a resin-containing layer. The surface treatment agent for treating a surface of a metal substrate includes an acrylic resin having a carboxyl group and a hydroxyl group, an oxazoline group-containing compound and metal p…
- Who is the assignee on this patent?
- Nippon Paint Co Ltd, Chemetall Gmbh
- What technology area does this patent fall under?
- Primary CPC classification C08K3/22. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jul 11 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).