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