Method to reduce {TAIL ~ deposits} of terephthalic acid on cooling rolls during {HEAD ~ sheet extrusion} of amorphous polyethylene terephthalate 
Method to reduce { TAIL ~ deposits } of terephthalic acid on cooling rolls during { HEAD ~ sheet extrusion } of amorphous polyethylene terephthalate
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH