Particles are bound to fibrous material by a polymeric binder selected from the group consisting of poly(caprolactone) diol, polyamides and polyamines. The polymeric binder has a hydrogen bonding functionality or coordinate covalent bond forming functionality on each repeating unit of the polymeric binder....http://www.google.de/patents/US5543215?utm_source=gb-gplus-sharePatent US5543215 - Polymeric binders for binding particles to fibers
