COVALENTLY FUNCTIONALIZED PARTICLES FOR SYNTHESIS OF NEW COMPOSITE MATERIALS

• US 20090240013A1
• Filed: 03/13/2009
• Published: 09/24/2009
• Est. Priority Date: 03/13/2008
• Status: Active Grant

• Current Assignee: Board of Regents of the University of Texas System (University of Texas System)
• Original Assignee: Board of Regents of the University of Texas System (University of Texas System)
• Inventors: Wavhal, Dattatray, Mukherjee, Narayan, Timmons, Richard B., Bhattacharyya, Dhiman
• Granted Patent: US 8,088,451 B2
• Time in Patent Office: Days
• US Class Current: 526/241
• CPC Class Codes: B01J 2/006 Coating of the granules without description of the process or the device by which the granules are obtained to prevent the granules sticking together B01J2/30
• CPC Class Codes: C08F 130/04 containing a metal
• CPC Class Codes: C08G 18/08 Processes
• CPC Class Codes: C08G 65/00 Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
• CPC Class Codes: C08J 7/123 Treatment by wave energy or particle radiation C08J7/18 takes precedence
• CPC Class Codes: C08J 7/18 using wave energy or particle radiation
• CPC Class Codes: C23C 16/40 Oxides
• CPC Class Codes: C23C 4/00 Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge build-up welding B23K, e.g. B23K5/18, B23K9/04
• CPC Class Codes: C23C 4/11 Oxides
• CPC Class Codes: C23C 4/134 Plasma spraying
• CPC Class Codes: Y10S 977/788 Of specified organic or carbon-based composition
• CPC Class Codes: Y10S 977/811 Of specified metal oxide composition, e.g. conducting or semiconducting compositions such as ITO, ZnOx

Abstract

The present invention includes compositions and methods for synthesis of composite materials involving gas phase plasma polymerization to covalently plasma graft an organic molecule onto particles; covalently binding an organic monomer to the functionalized particles; and, polymerizing the organic monomers into hybrid polymer composite materials.

Claims

1. A method of making a material comprising:

covalently plasma grafting an organic molecule onto a particle;

covalently binding an organic monomer to the organic molecule on the particle; and

polymerizing the monomers into a hybrid polymer.

2. The method of claim 1, wherein the plasma grafting uses a continuous-wave (CW) plasma or a pulsed plasma.

3. The method of claim 1, wherein the particles comprise micro or nanoparticles.

4. The method of claim 1, wherein the particles comprise metal particles.

5. The method of claim 1, wherein the particles comprise inorganic and organic particles.

6. The method of claim 1, wherein the step of covalently binding the organic molecule to the particle is defined further as a plasma grafting by gas phase pulsed plasma covalent binding of the organic molecule to the particle.

7. The method of claim 1, wherein the particle comprises an element, alloy, oxide or nitride of a metal selected from the group consisting of Ga, Au, Ag, Cu, Al, Ta, Ti, Ru, Ir, Pt, Pd, Os, Mn, Hf, Zr, V, Nb, La, Y, Gd, Sr, Ba, Cs, Cr, Co, Ni, Zn, Ga, In, Cd, Rh, Re, W, Mo, Si, Se, Te, As, Sb, Bi, Ge, Sn, Pb.

8. The method of claim 1, wherein the organic molecule is a carboxy group, a halide, an epoxy group, an isocyanate group, a hydroxyl group, an amine group, aldehyde group, acid group, alkyl group, alkane group, alkene group, alkyne group, aromatic group, alcohol group, ether group, ketone group, ester group, amide group, amino acid group, nitro group, nitrile group, carbohydrate group, thiol group, organic phosphate group, lipid group, phospholipid group and steroid group.

9. The method of claim 1, wherein the material is formed into a film, a gel, a block, a powder, a pellet or a solution.

19. A hybrid composite made by the method of claim 1.

10. A method of making hybrid composite materials comprising:

covalently plasma grafting a small organic molecule onto particle;

covalently attaching an organic monomer to the particle at the organic molecule; and

polymerizing the organic monomers into hybrid composites.

11. The method of claim 10, wherein the plasma grafting is using a continuous-wave (CW) plasma or pulsed plasma.

12. The method of claim 10, wherein the particles comprise micro or nanoparticles.

13. The method of claim 10, wherein the particles comprise metal particles.

14. The method of claim 10, wherein the particles comprise inorganic or organic particles.

15. The method of claim 10, wherein the plasma grafting step is by gas phase pulsed plasma covalent binding of the organic molecule to the particle.

16. The method of claim 10, wherein the particle comprises an element, alloy, oxide or nitride of a metal selected from the group consisting of Ga, Au, Ag, Cu, Al, Ta, Ti, Ru, Ir, Pt, Pd, Os, Mn, Hf, Zr, V, Nb, La, Y, Gd, Sr, Ba, Cs, Cr, Co, Ni, Zn, Ga, In, Cd, Rh, Re, W, Mo, Si, Se, Te, As, Sb, Bi, Ge, Sn, Pb.

17. The method of claim 10, wherein the organic molecule is a carboxy group, a halide, an epoxy group, an isocyanate group, a hydroxyl group, an amine group, aldehyde group, acid group, alkyl group, alkane group, alkene group, alkyne group, aromatic group, alcohol group, ether group, ketone group, ester group, amide group, amino acid group, nitro group, nitrile group, carbohydrate group, thiol group, organic phosphate group, lipid group, phospholipid group and steroid group.

18. The method of claim 10, wherein the material is formed into a film, a gel, a block, a powder, a pellet or a solution.

20. A hybrid composite made by the method of claim 10.

21. A hybrid composite comprising a particle, an organic molecule covalently attached to the particle by plasma grafting, and a polymer attached to the organic molecule.