Fiber Formation by Highly CO₂‐Soluble Bisureas Containing Peracetylated Carbohydrate Groups

Abstract

Like dissolves like: Bisureas containing environmentally benign CO2-philic groups derived from peracetylated gluconic acid dissolve in supercritical CO2 at 298 K and 62 MPa. Upon depressurization of the CO2, the initially powdery bisureas (left image) form microfibrillar foams (right image). Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2002/2007/z604844_s.pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.