Process for transversely stretching polyethylene...

Details Process for transversely stretching polyethylene... Process for transversely stretching polyethylene...

B - Operations, Transporting

29

C

18/1044

B29C 55/08 (2006.01) B29C 47/00 (2006.01)

Patent

CA 1144329

PROCESS FOR TRANSVERSELY STRETCHING POLYETHYLENE TEREPHTHALATE FILM Abstract A process is disclosed for transversely stretching amorphous polyethylene terephthalate film wherein the temperature is adjusted to be substan- tially uniform across the web before stretching, heat is removed during stretching, and after stretch- ing, the temperature is 1 to 15C° lower and is uniform across the web.

357588

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