The present invention encompasses surface active agents useful in liquid or supercritical CO2 applications. The surface active agents comprise compounds containing a hydrocarbon segment and an aliphatic polycarbonate segment: The invention also provides methods of making the surface active agents and of using them in supercritical CO2 applications.
                            本发明包括可用于液态或超临界
二氧化碳的表面活性剂。表面活性剂包括含有碳氢化合物段和脂肪族聚
碳酸酯段的化合物:本发明还提供了制造表面活性剂和将其用于超临界
二氧化碳应用的方法。