Process for preparing polyoxymethylenes
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United States of America Patent
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-
Apr 19, 1983
Grant Date -
N/A
app pub date -
Aug 12, 1981
filing date -
Dec 17, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a process for preparing polyoxymethylenes by polymerizing formaldehyde in the presence of an anionic polymerization catalyst, the use of a polyhydric alcohol having at least three alcoholic hydroxyl groups in the molecule permits the preparation of polyoxymethylenes which have desired molecular weights along with improved melt fluidity and which are excellent in processability.
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