Press Release: Trent Capital Partners has purchased full control of the business

12th February, 2024

Press Release: Trent Capital Partners has purchased full control of the business


PINEY FLATS, TENNESSEE, Feb. 12, 2024 – Microporous LLC, is pleased to announce that Trent Capital Partners has purchased full control of the business. Trent Capital Partners (, a leading private equity firm backed by major family offices, has been a minority owner of Microporous for the past ten years, and Ray Desrocher, founder and Managing Director of Trent, has served on the company’s board of directors since that time.

Microporous ( has an 80-year history of manufacturing lead-acid battery separators with facilities in both Austria and Tennessee. The company was recently selected for a $100 million dollar grant from the Department of Energy to establish a U.S.-based Li-ion battery separator manufacturing facility serving the rapidly growing North American electric vehicle (EV) market. 

Trent has a 14-year history of partnering with large family offices in the acquisition of superior industrial businesses. Trent and its investors bring a strong commitment to Microporous’ core lead acid battery separator business and the financial means and commitment to support Microporous’ expansion into lithium-ion (Li-ion) battery separators and the EV market.   

John Reeves, CEO of Microporous, stated, “I have known Ray Desrocher of Trent Capital and his team for many years. They have pulled together a world class group of investors who are dedicated to Microporous and our growth plan. I am excited for the opportunity to execute our growth strategies across both lead-acid and Li-ion markets and to power a U.S. supply chain for electric vehicles.”

Trent is a mid-market private equity firm established in 2010 that targets its investments in industrial companies that have a proven track record of superior execution and can deliver significant return on capital employed.  

Ray Desrocher, Managing Director of Trent, remarked, “We are excited to continue our investment in Microporous. The company has a well-run core business with a long history of exceeding customer expectations while also being incredibly well positioned for success in the Green Energy space. Like the Department of Energy, which has supported Microporous with a $100MM grant, our investors believe the company can play a key role in the burgeoning market for Li-ion batteries.”

About Microporous, LLC: Microporous™ is a leading developer, manufacturer and marketer of high-performance rubber, polyethylene (PE) and hybrid battery separators for flooded lead-acid batteries. Separators are a highly engineered, mission-critical component of rechargeable batteries. The company supplies an extensive customer base located across 23 countries and five continents. Microporous currently operates two manufacturing facilities in Piney Flats, TN and Feistritz, Austria. The company is headquartered in Piney Flats, TN.

About Trent Capital Partners: Trent Capital Partners was established in 2010 to invest in businesses where superior execution can generate superior returns.  The firm believes that return on capital employed in a business is, above all else, the primary driver of value, and thereby, equity returns. Trent Capital Partners seeks to deploy capital in unique opportunities suited to growth, typically through a combination of market-driven and operationally-driven dynamics.


Contact Information:

Microporous, LLC
Piney Flats, TN 376868, US


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Press Release: Microporous (MP Assets Corporation) Selected to negotiate $100 Million Grant from the U.S. Department of Energy Grant to propel clean energy manufacturing

3rd November, 2022

Microporous, LLC announces retirement of David Mihara

25th April, 2022

Please join me in welcoming Rick Bruno to the Microporous team!