TDI is also preferred because its reactivity is well suited to curing with inexpensive, fast reacting {HEAD ~ amine chain extenders}, such as, {TAIL ~ DETDA}, using polyurethane processing techniques, such as, those described in U.S. Pat No5,733,428 and U.S. Pat No3,147,324 
such as
TDI is also preferred because its reactivity is well suited to curing with inexpensive , fast reacting { HEAD ~ amine chain extenders } , such as , { TAIL ~ DETDA } , using polyurethane processing techniques , such as , those described in U.S. Pat No5,733,428 and U.S. Pat No3,147,324
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH