5-SULFOISOPHTHALIC ACID DIGLYCOL ESTER METAL SALT COMPOSITION AND MANUFACTURING METHOD OF THE SAME
PROBLEM TO BE SOLVED: To provide a 5-sulfoisophthalic acid diglycol ester metal salt composition of high purity and a manufacturing method of the same. SOLUTION: The composition comprises 100 pts.wt. of a 5-sulfoisophthalic acid diglycol ester metal salt represented by formula (1) and 0.5-6 pts.wt....
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a 5-sulfoisophthalic acid diglycol ester metal salt composition of high purity and a manufacturing method of the same. SOLUTION: The composition comprises 100 pts.wt. of a 5-sulfoisophthalic acid diglycol ester metal salt represented by formula (1) and 0.5-6 pts.wt. of glycol, where the transition metal content is at most 0.0001 pt.wt. In formula (1), R is a 2-4C hydroxyalkyl group; Mn+is an n-valent alkali metal ion or alkaline earth metal ion; and n is an integer of 1 or 2. COPYRIGHT: (C)2011,JPO&INPIT |
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