A method of cleaning or purifying elastomers and elastomeric articles which are intended for medical or pharmaceutical uses

摘要

A method of cleaning or purifying elastomers and elastomeric articles which are intended for medical and pharmaceutical uses comprises firstly performing a solvent extraction process on the articles to substantially remove impurities therefrom and thereafter subjecting the articles to a further solvent extraction step using a superficial fluid or a mixture of supercritical fluids in order to remove or substantially reduce the concentration of solvent residue remaining in the articles after the first solvent extracting process.