Tag: polyurethanes

Sustainable Polyurethanes and the Bio Economy

Sustainable Polyurethanes and the Bio Economy

April 10, 2017 |

By Lorenz Bauer, Ph.D., Lee Enterprises Consulting Special to The Digest Sustainability has become a key concern in polyurethane industry.   Reducing the environmental impact of polymers by replacing fossil derived carbon, using more environmental friendly processes and reducing and recycling the carbon used either directly or indirectly is a corporate goal of many producers. The use […]

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Scientists produce polyurethanes from sugar

Scientists produce polyurethanes from sugar

April 18, 2016 |

In Minnesota, polyurethanes in products from cushy sofas to stretchy spandex have made sitting, sleeping and walking more comfortable. But once they have served their purpose, most of the non-degradable materials pile up in landfills. Now scientists report in the journal ACS Macro Letters a potential way to reduce future waste: a chemically recyclable foam […]

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German researchers produce bio-based polyurethanes

German researchers produce bio-based polyurethanes

June 6, 2012 |

In Germany, University of Freiburg researchers have produced polyurethanes using limonene, oxygen and carbon dioxide. In a solvent free process, limonene oxide was processed with CO2 to produce limonene bicarbonate, which can then be molded and hardened with amines. Citric acid amidoamine was successfully used as a hardener, further greening the process. Limonene can be […]

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