news medical silicone catheter tris(dimethylaminopropyl)amine cas 33329-35-0 biocompatible catalytic modification solution medical silicone catheter tri(dimethylaminopropyl)amine modification scheme: a new era of biocompati... 03/20114Medical Silicone Catheter Tris(dimethylaminopropyl)amine CAS 33329-35-0 Biocompatible Catalytic Modification Solution