RECYCLING AN ORGANIC-MATRIX COMPOSITE MATERIAL

摘要

The invention is directed to a method for recycling an organic-matrix composite material. The organic-matrix composite material comprises a first component comprising at least one organic matrix polymer and at least one solid second component being compatible with said first componentand being structurally different from said first component, wherein said at least one organic polymer has thermosetting properties at room temperature and wherein said polymer comprises thermally reversible cross-links. The method of the invention comprises
- heating the organic-matrix composite material to a temperature at which at least part of the thermally reversible cross-links cleave and at which the first component as a viscosity of at most 500 Pa·s, as measured by oscillatory measurements in the linear viscoelastic regime as a function of temperature on an Anton Paar MCR 301 rheometer using parallel plate geometry; and
- separating the at least part of said first component from said second component.