| abstract |
Iii) a foamed solid synthetic polymer matrix; Ii) a polymeric swelling agent, different from iii), distributed throughout the matrix and added to iii) during the preparation of iii); And iii) a fluid distributed throughout the matrix, wherein the matrix, the swelling agent and the fluid are mixed such that the resulting composite is elastically compressible. Iii) a solid foam matrix of closed cell structure; Iii) a polymeric swelling agent distributed throughout the matrix and different from iii); And iii) a fluid distributed in the matrix, wherein the matrix, the swelling agent and the fluid are mixed such that the resulting composite is elastically compressible. |