abstract |
Use of at least one procyanidin and / or prodelfinidine type tannin, devoid of prorobinetidine and / or profisetinidine type tannin, mixed with furfuryl alcohol for the implementation of a polymerization reaction for the preparation of rigid foams, said procyanidin type tannin and / or prodelfinidine, in particular, pine bark tannin. |