The first layer is applied to at least a portion of {HEAD ~ the core} and contains {TAIL ~ a first polymer} 
The first layer is applied to at least a portion of { HEAD ~ the core } and contains { TAIL ~ a first polymer }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL