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Green Biologics & Jungbunzlauer Partner for Production of Bio-based Plasticizers

Published on 2017-02-20. Author : SpecialChem

Ashland, Virginia and Abingdon, Oxfordshire U.K. -- Green Biologics has announced collaboration with Jungbunzlauer Ladenburg. In February 2017, Jungbunzlauer received its first shipment of 100 percent renewable n-butanol from Green Biologics’ production facility in Little Falls, Minnesota. Jungbunzlauer aims to produce bio-based CITROFOL® BI (tributyl citrate) and bio-based CITROFOL® BII (acetyl tributyl citrate) for its customers with commercial shipments beginning next month.

Green Biologics

Properties of CITROFOL® BI and CITROFOL® BII


  • Clear liquid, low viscose and odorless
  • High boiling point - low volatility
  • Excellent compatibility with polar polymers such as acrylics, vinyl resins, ethylen-vinyl acetate and cellulose derivatives


Timothy G. Staub, Global Vice President of Business Development for Green Biologics said:

“Jungbunzlauer is an outstanding collaboration partner for Green Biologics. As the global leader in natural ingredients built off its core strengths in citric, lactic and gluconic acids, and xanthan gums, Jungbunzlauer has been committed to sustainability for 150 years. We are delighted to be working exclusively with Jungbunzlauer on the global introduction of bio-based citrate derivatives.”

First Bulk Shipment in January


Green Biologics announced the start-up of its first commercial production facility for renewable n-butanol and acetone in December 2016, with its first bulk export shipment to Jungbunzlauer in mid-January.

Staub added:

Our focus is to selectively move our renewable n-butanol and acetone into high value markets, and Jungbunzlauer is a superb technological and market-facing partner for Green Biologics, particularly in citric-based plasticizers, but in other bio-based esters as well.”

Hans-Peter Froschauer, Product Group Manager of Specialties at Jungbunzlauer Ladenburg GmbH said:

“Sustainability has been a key principle of Jungbunzlauer since our founding in 1867. With our mission “From nature to ingredients®." We believe that renewable products are essential for the future success of our customers in many evolving markets, including our CITROFOL® BI and CITROFOL® BII customers. The opportunity for bio-based plasticizers in personal care, healthcare, bio-polymers and many other industrial applications is immense and it is global. We look forward to a long and successful collaboration with Green Biologics.”

Green Biologics is a member of the American Chemistry Council (ACC) and is building its new green solvents facility to meet Responsible Care™ standards. The company’s n-butanol and acetone have received 100 percent bio-based, USDA BioPreferred® status.

About Green Biologics

Green Biologics Ltd (GBL) is a renewable specialty Chemicals Company based in Abingdon, England with a wholly owned U.S. operating company, Green Biologics Inc., based in Ashland, Virginia. GBL’s Clostridium fermentation platform converts a wide range of sustainable feedstocks into high performance green chemicals such as n-butanol, acetone, and through chemical synthesis, derivatives of butanol and acetone used by a growing global consumer and industrial products customer base. The platform combines advanced high productivity fermentation with superior-performing proprietary Clostridium microbial biocatalysts and synthetic chemistry to produce a pipeline of high value green chemicals with optimal performance in downstream formulations.

About Jungbunzlauer

Jungbunzlauer is one of the world's leading producers of biodegradable ingredients of natural origin. It enables customers to manufacture healthier, safer, tastier and more sustainable products. Due to continuous investments, state-of-the-art manufacturing processes and comprehensive quality management, they are able to assure outstanding product quality.

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Source: Green Biologics
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