The presence of units derived from polyethylene glycol within the polymer chain has been found to lead to {HEAD ~ such intrinsic viscosity reduction} within {TAIL ~ the dye bath} 
within
The presence of units derived from polyethylene glycol within the polymer chain has been found to lead to { HEAD ~ such intrinsic viscosity reduction } within { TAIL ~ the dye bath }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL