Paint away the carbon dioxide

 作者:贝与     |      日期:2019-03-08 02:06:08
GROWING grass on your roof and other attempts to make homes carbon neutral are mere “green bling”. So says Rachel Armstrong of University College London (UCL), who suggests that her smart paint can turn buildings into carbon sinks. Armstrong created the paint by dissolving salts and esters in oil droplets. Repeated coatings react with carbon dioxide in the atmosphere to produce calcium carbonate – which is the main constituent of limestone – and alcohol. The resulting “biolime” will provide extra strength and insulation,