Heat-resistant water-dispersible sulfopolyester compositions

Details Heat-resistant water-dispersible sulfopolyester compositions Heat-resistant water-dispersible sulfopolyester compositions

1993-07-23

1994-11-29

Acquah, Samuel A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528272, 528275, 528286, 528295, 528298, 528302, 528307, 528308, 5283086, 524602, 524603, 524706, 524711, 524773, 524777, 524787, C08G 63688

Patent

active

053692101

ABSTRACT:
The present invention relates to sulfonate containing water-dispersible or water-dissipatible sulfopolyester compositions. The sulfopolyesters utilize at least two dicarboxylic acids, one of which is a naphthalene dicarboxylic acid. This combination of dicarboxylic acids allows for the sulfopolyesters to maintain glass transition temperatures (Tg) of greater than 89.degree. C. and exhibit lower melt viscosities than sulfopolyesters containing all naphthalenediyl units or all isophthtaloyl units. The sulfopolyesters of this invention are useful in applications where improved heat and blocking resistance is required.

REFERENCES:
patent: 3018272 (1962-01-01), Griffing et al.
patent: 3123587 (1964-03-01), Hogsed et al.
patent: 3436376 (1969-04-01), Duling et al.
patent: 3546008 (1970-12-01), Shields et al.
patent: 3563942 (1971-02-01), Helberger et al.
patent: 3734874 (1973-05-01), Kibler et al.
patent: 3779993 (1973-12-01), Kibler et al.
patent: 4480085 (1984-10-01), Larson et al.

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