In the world’s leading pyrotechnic airbag technology, a rapid reaction between Basic Copper Nitrate (BCN, Cu2(OH)3(NO3)) and guanidine nitrate produces nitrogen gas, which inflates the airbag—producing life-saving results. Like most inorganic materials, BCN particles will coarsen when exposed to temperature and humidity over time. However, there is a lack of information available characterizing the impact of this coarsening process of BCN particles.
The results provided in the PDF below and to the right provide a framework for understanding how humidity and temperature affects the physical properties of BCN, and specifically surface area. Preliminary results on how packaging and changes in particle preparation can permit BCN material to resist ageing are also presented.
Highly specialized pyrotechnic generants in the automotive industry provide lifesaving airbag technology for more than 5 million people involved in traffic accidents each year. Shepherd has over 20 years of experience in developing and producing chemicals for the pyrotechnic generant space. We produce over 8 million pounds of Basic Copper Nitrate each year to support reliable and consistent airbag inflation. Our Basic Copper Nitrate (BCN) is used as an oxidizer in airbag generant formulations. It provides high gas output while maintaining a consistent morphology and stability.
We are a global “partner of choice” for leading airbag manufacturers, providing unmatched product consistency, metal chemistry expertise, precision particle engineering, robust process development, collaboration and trusted confidentiality.
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We trust Shepherd Chemical with the advanced particle engineering required in our highly regulated highly reliable industry.
– Quality Control Manager, leading global airbag manufacturer
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