The monomers and macromers crosslink each other but not to {TAIL ~ the linear polymer} to form {HEAD ~ semi interpenetrating networks} 
The monomers and macromers crosslink each other but not to { TAIL ~ the linear polymer } to form { HEAD ~ semi interpenetrating networks }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD