Boron Nitride Nanoparticles Dispersion (BN, Diameter: 80-100nm, Purity: 99.99%)

Typical Properties
CAS	10043-11-5
Catalog	ACM10043115-17
Molecular Weight	24.82 g/mol
Melting Point	2700 °C
Purity	99.9 %
Density	2.29 g/cm3
Appearance	Liquid
Storage	-20 °C
Bulk Density	0.11 g/cm3
Color	White
Composition	BN
Concentration	2-3 wt.% (Available as per Customer requirement)
Diameter	80-100 nm
pH	5-8
Precautions for use	This product is inert gas anti-static packaging, it should be sealed and stored in a dry and cool environment.
Quality Level	200
Shipping	Ambient Temperature
Solvent	Organic Solvent (DMF), IPA Ethanol, Water (ddH33O)
Specific Surface Area	43.6 m2/g

Overview

Description

Nano-boron nitride was prepared by a variable current laser ion beam gas phase method. Our products have high purity, small particle size, large specific surface area, high surface activity, and the crystal structure has a layered structure similar to graphite, which is loose, lubricated, and easy to absorb moisture. There are many methods for preparing boron nitride nanoparticles, and there are many kinds of boron source raw materials. However, hexagonal nitrogen is prepared by chemical vapor deposition (CVD) using borate esters as boron sources, ammonia and nitrogen as nitrogen sources. Boronide (h-BN) nanospheres are the most likely synthetic route to achieve production scale.

Features

·Evenly dispersed, small particles
·Good compatibility, easy to disperse, easy to add a variety of systems
·Good system stability, reliable performance, safety and environmental protection
·High specific surface area, high loading, easy surface functionalization

Application

·Solid lubricant
·Electronic packaging material with good thermal conductivity
·Efficient catalyst support material

Case Study

Effect of Boron Nitride Nanoparticles as Nanolubricant on the Tribological Behavior of Lubricating Oil

Wan Q, et al. Procedia Engineering, 2015, 102, 1038-1045.

Lubricating oil (nano-BN oil) containing boron nitride (BN) nanoparticles at different concentrations was formulated to analyze the effect of BN nanoparticle additives on the frictional properties of lubricating oil. The results show that the addition of BN nanoparticles can significantly reduce the average friction coefficient and improve the surface wearing with small changes in the temperature of the frictional system. This nano-BN lubricant should be beneficial to the heat dissipation during the friction process.
Preparation of nano-BN lubricants
· The nano-lubricants were formulated with commerical lubricating oil and analytical grade hexagonal boron nitride nanoparticles with disk-like shape. The BN nanoparticles had an average diameter of 120 nm and a single layer thickness of 30nm.
· Oleic acid was used as the dispersant for elevating the stability of the suspension. An appropriate amount of oleic acid was suggested to be 25wt.% of BN nanoparticle additives.
· The nanoparticles with the dispersant were well dispersed to the base oil through a high shear homogenizer at 7500r/min for 30min. Nano-BN oils containing 0.1wt.%, 0.5wt.% and 1.0wt.% were prepared and they were denoted as BN01, BN05 and BN1.

Application of Boron Nitride Nanoparticles as Nanodrug Delivery Carriers

Sukhorukova I V, et al. ACS applied materials & interfaces, 2015, 7(31), 17217-17225.

Spherical boron nitride nanoparticles (BNNPs) with a diameter of 100-200 nm and a special petal-like surface were successfully produced by chemical vapor deposition. The special structure of the BNNP can load a large amount of doxorubicin (DOX) drug and effectively release DOX at pH 4.5-5.5. The results showed that tumor IAR-6-1 cells absorbed DOX-loaded BNNPs through the endocytosis pathway, and DOX accumulated in the cytoplasm and nucleus, leading to tumor cell death.
Preparation of DOX-loaded BNNPs
· First, the BNNPs were prepared by chemical vapor deposition (CVD) using boron oxide vapor and flowing ammonia in a vertical induction furnace. The temperature in the precursor location area was maintained at 1310°C. The powder mixture of pure FeO, analytical grade MgO, and B (>99%) taken at a weight ratio of 150:28:75 was used as a precursor.
· After the synthesis, the BNNPs were agglomerated. In order to separate the agglomerates into individual nanoparticles, BNNPs were ultrasonically treated in a distilled water solution (BNNPs concentration 2 mg/ml).
· Saturation of BNNPs with DOX: BNNPs (2 mg) were added to 1 ml of 0.5, 1.0 or 2.5 mg/ml DOX solutions. The suspensions were incubated at room temperature for 24 h. The precipitates were then washed out from the DOX in water 10 times under repeated centrifugation at 13400 rpm for 15 min.