Modified nitride particles, oligomer functionalized nitride particles, polymer based composites and methods of forming thereof

Patent metadata

Field	Value
Publication number	US-2017190885-A1
Application number	US-201615392699-A
Country	US
Kind code	A1
Filing date	Dec 28, 2016
Priority date	Dec 30, 2015
Publication date	Jul 6, 2017
Grant date	—

Abstract

A surface modified nitride particle including a nitride particle covalently bonded via a urethane moiety to an aromatic compound. The surface modified nitride particle may further include at least two auxiliary moieties for bonding to oligomers.

First claim

What is claimed is:

1 . A surface modified nitride particle comprising:
a nitride particle covalently bonded via a urethane moiety to an aromatic compound; and at least two auxiliary moieties.

2 . The surface modified nitride particle of claim 1 , wherein the nitride particle is a boron nitride particle or a silicon nitride particle.

3 . The surface modified nitride particle of claim 1 , wherein a majority of any moieties connecting the nitride particle and the aromatic compound are urethane moieties.

4 . The surface modified nitride particle of claim 1 , wherein the aromatic compound comprises at least one aromatic ring.

5 . The surface modified nitride particle of claim 1 , wherein the aromatic compound comprises a phenyl moiety, a biphenyl moiety, a naphthyl moiety, a phenanthryl moiety, a methylene-diphenyl moiety, a triphenyl-methane moiety.

6 . The surface modified nitride particle of claim 1 , wherein the aromatic compound comprises two isocyanate moieties, three isocyanate moieties, four isocyanate moieties, five isocyanate moieties.

7 . A polymer based composite comprising:
at least one polymer component and a modified nitride filler material dispersed within the polymer component, wherein the modified nitride filler material comprises: a nitride particle; an aromatic compound covalently bonded via a urethane linkage to the nitride particle; and at least two oligomers covalently bonded to the aromatic compound.

8 . The polymer based composite of claim 7 , wherein the nitride particle is a boron nitride particle or a silicon nitride particle.

9 . The polymer based composite of claim 7 , wherein a majority of any moieties connecting the nitride particle and the aromatic compound are urethane moieties.

10 . The polymer based composite of claim 7 , wherein the aromatic compound comprises at least one aromatic ring.

11 . The polymer based composite of claim 7 , wherein the aromatic compound comprises a phenyl moiety, a biphenyl moiety, a naphthyl moiety, a phenanthryl moiety, a methylene-diphenyl moiety, a triphenyl-methane moiety.

12 . The polymer based composite of claim 7 , wherein the aromatic compound comprises two isocyanate moieties, three isocyanate moieties, four isocyanate moieties, five isocyanate moieties.

13 . The polymer based composite of claim 7 , wherein the oligomers comprise silicone/siloxane, phenolic resin, epoxy resin, poly-butadiene, polyimides, polyester resin, polyurethane, poly(methyl methacrylate) (PMMA), Acrylonitrile butadiene styrene (ABS), polylactic acid, polybenzimaidazole (PBO and PBI), polycarbonate (PC), polyether sulfone (PES), poly ether ether ketone (PEEK), polyetherimide (PEI), polyethylene (PE), polyphenylene oxide (PPO), polyphenylene sulfide (PPS), polyether sulfone (PES), polysulfone (PS), polypropylene (PP), polystyrene (PS), polyvinyl chloride (PVC), poly(dimethylsiloxane) or a fluoropolymer.

14 . The polymer based composite of claim 7 , wherein the polymer component comprises silicone/siloxane, phenolic resin, epoxy resin, poly-butadiene, polyimides, polyester resin, polyurethane, poly(methyl methacrylate) (PMMA), Acrylonitrile butadiene styrene (ABS), polylactic acid, polybenzimaidazole (PBO and PBI), polycarbonate (PC), polyether sulfone (PES), poly ether ether ketone (PEEK), polyetherimide (PEI), polyethylene (PE), polyphenylene oxide (PPO), polyphenylene sulfide (PPS), polysulfone, polypropylene (PP), polystyrene (PS), polyvinyl chloride (PVC), poly(dimethylsiloxane) or a fluoropolymer.

15 . The polymer based composite of claim 7 , wherein a monomer unit of the polymer component is from the same family as a monomer unit of the oligomers.

16 . The polymer based composite of claim 7 , wherein the polymer based composite comprises a peel strength of at least about 10 N/in and a thermal conductivity of at least about 0.2 W/mK.

17 . The polymer based composite of claim 7 , wherein the polymer based composite comprises a peel strength of at least about 5 N/in.

18 . The polymer based composite of claim 7 , wherein the polymer based composite comprises a thermal conductivity of at least about 0.2 W/mK.

19 . A method of forming a polymer based composite, wherein the method comprises:
combining at least one polymer component with a nitride filler material of oligomer functionalized nitride particles, wherein each of the oligomer functionalized nitride particles comprise: a nitride particle; an aromatic compound covalently bonded via a urethane linkage to the nitride particle; and at least two oligomers covalently bonded to the aromatic compound.

20 . The method of claim 19 , wherein the nitride particle is a boron nitride particle or a silicon nitride particle.

Assignees

• Saint-Gobain Ceram & Plastics Inc

Inventors

• Dadvand Nazila
• Nahas Nabil

Classifications

• C09C1/00

  Treatment of specific inorganic materials other than fibrous fillers (tenebrescent materials C09K9/00; luminescent materials C09K11/00); Preparation of carbon black · CPC title

• C09C3/08

  Treatment with low-molecular-weight {non-polymer} organic compounds {(C09C3/006, C09C3/048 take precedence)} · CPC title

• C08K9/04 Primary

  Ingredients treated with organic substances {(treated with macromolecular compounds C08K9/08)} · CPC title

• C08K2003/385

  Binary compounds of nitrogen with boron · CPC title

• C08K3/38

  Boron-containing compounds · CPC title