Substrates and compounds bonded thereto

• US 7,658,994 B2
• Filed: 07/22/2004
• Issued: 02/09/2010
• Est. Priority Date: 12/30/2003
• Status: Expired due to Fees

• Current Assignee: 3M Innovative Properties Company (3M Company)
• Original Assignee: 3M Innovative Properties Company (3M Company)
• Inventors: Lakshmi, Brinda B.
• Primary Examiner(s): Chang; Victor S
• Application Number:
  US10/896,392
• Publication Number:
  US 20050142296A1
• Time in Patent Office: 2,028 Days
• Field of Search: 428/343, 428/344, 428/355.R, 428/304.4
• US Class Current: 428/343
• CPC Class Codes: G01N 33/54353 with ligand attached to the carrier via a chemical coupling agent coatings G01N33/54393
• CPC Class Codes: Y10T 428/249953 Composite having voids in a component [e.g., porous, cellular, etc.]
• CPC Class Codes: Y10T 428/28 Web or sheet containing structurally defined element or component and having an adhesive outermost layer
• CPC Class Codes: Y10T 428/2804 Next to metal
• CPC Class Codes: Y10T 428/2852 Adhesive compositions

Abstract

Articles and methods for the use of such articles are described for use in immobilizing nucleophile-containing materials. In one aspect, the invention provides an article comprising: a substrate having a first surface and a second surface; and a phosphonitrilic tethering group affixed to the first surface of the substrate, the phosphonitrilic tethering group comprising a reaction product of a complementary functional group on the first surface of the substrate with a phosphonitrilic tethering compound. A method of immobilizing a nucleophile-containing material to a substrate is also described, the method comprising: providing a phosphonitrilic tethering compound; providing a substrate having a complementary functional group capable of reacting with phosphonitrilic tethering compound; preparing a substrate-attached phosphonitrilic tethering group by reacting the phosphonitrilic tethering compound with the complementary functional group on the substrate resulting in an ionic bond, covalent bond, or combinations thereof; and reacting the substrate-attached phosphonitrilic tethering group with a nucleophile-containing material to immobilize the nucleophile-containing material.

Claims

1. An article comprising:

a substrate having a first surface and a second surface, the first surface comprising a functional group;

a phosphonitrilic tethering group ionically or covalently bonded to the first surface of the substrate, the phosphonitrilic tethering group comprising a reaction product of the functional group on the first surface of the substrate with a phosphonitrilic moiety;

wherein the substrate comprises metal or metal oxide.

2. The article according to claim 1, wherein the substrate comprises metal or metal oxide selected from the group consisting of gold, silver, titanium, platinum, palladium, aluminum, copper, chromium, iron, cobalt, nickel, zinc, stainless steel, indium tin oxide, and combinations of two or more of the foregoing.

3. The article according to claim 1, wherein the substrate further comprises a support layer supporting the metal or metal oxide.

4. The article according to claim 3, wherein the support layer comprises a polymer.

5. The article according to claim 1 wherein the phosphonitrilic tethering compound comprises a structure according to Formula I

6. The article according to claim 5 wherein each X is chlorine.

7. The article according to claim 1 further comprising a monofunctional, difunctional, or multifunctional moiety affixed to the phosphonitrilic tethering group.