Polyether polyol and a method for the manufacture of mouldable polyester containing said polyether polyol
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United States of America Patent
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Jun 26, 2001
Grant Date -
N/A
app pub date -
Feb 26, 1999
filing date -
Aug 28, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Polyether polyol having the following chemical formula (1): HO--(AO).sub.m ZO--(BO).sub.n --H, which is suitable for the manufacture of polyester, polyurethane elastomer and polyurethane paint showing an excellent hydrolysis resistance is disclosed. In this formula, Z is a dimer diol residue; A and B are the same or different alkylene groups having 2-4 carbon atoms; and m and n are the same or different integers of 0 or more where 2.ltoreq.(m+n).ltoreq.40. Also disclosed is a method for the manufacture of mouldable polyester containing the above-mentioned polyether polyol as one of the constituting units.
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