Process for treatment of polyethylene terephthalate, polyethylene terephthalate for molding purposes and process for preparation thereof
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United States of America
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Jun 15, 1993
Issued Date -
N/A
app pub date -
Feb 18, 1992
filing date -
Feb 18, 1992
priority date (Note) -
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Abstract
In the water-treated polyethylene terephthalate obtained in the present invention, amounts of oligomers and acetaldehyde formed at the time of molding said polyethylene terephthalate into molded articles are small, and the contamination of the mold therewith is difficult to occur and further the contents of said molded articles does not change in flavor and fragrance.
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