Where {HEAD ~ the degradation} controlling {TAIL ~ agent} is dispersed in the matrix material, the agent represents between about 0.1% to about 40% by weight of the matrix material 
controlling
Where { HEAD ~ the degradation } controlling { TAIL ~ agent } is dispersed in the matrix material , the agent represents between about 0.1 % to about 40 % by weight of the matrix material
OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH