Physically blending small amounts of {HEAD ~ polycarbonate resin} into polyethylene terephthalate resin which is to be extruded and cooled to form an unoriented amorphous sheet reduces deposits of {TAIL ~ terephthalic acid} on the cooling rolls during sheet extrusion 
Physically blending small amounts of { HEAD ~ polycarbonate resin } into polyethylene terephthalate resin which is to be extruded and cooled to form an unoriented amorphous sheet reduces deposits of { TAIL ~ terephthalic acid } on the cooling rolls during sheet extrusion
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH