University of New Mexico

Stc.unm

Ut-battelle, Inc.

Science & Technology Corporation &commat; Unm

Science & Technology Corporation & Unm

Robert T Paine, Jr

Chaitanya Kumar Narula

William J Kroenke

Riley O Schaeffer

Eugene A Pruss

Gary L Wood

Jerzy F Janik

Leon Maya

Theodore T Borek, Iii

David A Lindquist

J Michael Simonson

A non-aqueous route and process for preparation of boron nitride utilizing aerosol assisted vapor phase synthesis (AAVS) wherein boron precursors are nitrided in one or two heating steps, and wherein a boron oxide nitride carbide intermediary composition is formed after the first heating step and may be further nitrided to form resultant spheroidal boron nitride powders including dense or hollow spheroidal particles that are smooth, bladed, dense or hollow, have protruding whiskers, and are of turbostratic or hexagonal crystalline structure, specifically wherein the boron precursor is dissolved in a non-aqueous solution prior to aerosolization.

Non-aqueous borate routes to boron nitride

A hybrid hydrogen storage composition includes a first phase and a second phase adsorbed on the first phase, the first phase including BN for storing hydrogen by physisorption and the second phase including a borazane-borazine system for storing hydrogen in combined form as a hydride.

Borazine-boron nitride hybrid hydrogen storage system

A non-aqueous route and process for preparation of boron nitride utilizing aerosol assisted vapor phase synthesis (AAVS) wherein boron precursors are nitrided in one or two heating steps, and wherein a boron oxide nitride carbide intermediary composition is formed after the first heating step and may be further nitrided to form resultant spheroidal boron nitride powders including spheroidal particles that are smooth, bladed, have protruding whiskers, and are of turbostratic or hexagonal crystalline structure, specifically wherein the boron precursor is dissolved in a non-aqueous solution prior to aerosolization.

An organoboron route and process for preparation of boron nitride utilizing aerosol assisted vapor phase synthesis (AAVS) wherein organoboron precursors are nitrided in one or two heating steps, and wherein a boron oxide nitride intermediary composition is formed after the first heating step and may be further nitrided to form resultant spheroidal boron nitride powders including spheroidal particles that are smooth, bladed, have protruding whiskers, and are of turbostratic or hexagonal crystalline structure.

Organoboron route and process for preparation of boron nitride

The present invention involves a process and system for producing spherical BN O particles that are converted to crystalline BN. The process involves adding a boron compound to an aqueous solution, creating an aerosol spray from the solution in the form of aerosol droplets using an aerosol generator. The aerosol droplets are fed with an inert carrier gas into a heated furnace at a preset flow rate while simultaneously injecting a gaseous nitriding agent into the heated furnace in a direct proportion to the flow rate of the carrier gas containing the aerosol droplets whereby a precursor of spherically shaped BN O particles are formed which are further heat treated into particles of spherically shaped BN having a turbostratic or hexagonal structure.

Spherical boron nitride process, system and product of manufacture

The disclosure is directed to compositions and methods for forming boron nitride coatings, using polymers derived from tri-substituted borazine and chloroborazine compounds. The polymeric compounds are mixed with ammonia, pyrolized at high temperatures to obtain a high temperature melt, and further converted to boron nitride coatings on various substrates. The polymeric compounds can be stored prior to pyrolysis.

Precursors for boron nitride coatings

The disclosure is directed to polymeric B-aminoborazene compounds suitable for pyrolytic conversion to boron nitride. The B-aminoborazine compounds are preferably mixed with an organic solvent and a cross-linking agent to form a polymeric gel. The polymeric gel is then pyrolized to form boron nitride. The polymeric gel is useful to coat various forms and materials.

Precursor compositions for conversion to boron nitride

The disclosure is directed to polymeric B-aminoborazene compounds suitable for pyrolytic conversion to boron nitride. The B-aminoborazene compounds are preferably mixed with an organic solvent and a cross-linking agent to form a polymeric gel. The polymeric gel is then pyrolized to form boron nitride. The polymeric gel is useful to coat various forms and materials.

Growing community of inventors

Albuquerque, NM, United States of America

Robert T Paine, Jr