Polyester comprising a residue of isophthalic acid, terephthalic

Details Polyester comprising a residue of isophthalic acid, terephthalic Polyester comprising a residue of isophthalic acid, terephthalic

1999-07-13

2000-04-25

Acquah, Samuel A.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528190, 528193, 528194, 528195, 528298, 528300, 528302, 528367, 528308, 5283086, 106 3113, C08G 6300

Patent

active

060545518

ABSTRACT:
A polyester having increased UV absorption comprising (i) a residue of a dicarboxylic acid component comprising terephthalic and from about 1 to about 20 mole % of isophthalic acid, (ii) a residue of a glycol component comprising ethylene glycol, and (iii) from about 0.01 mole % to about 15 mole % of a residue of an aromatic diol derivative, wherein the aromatic diol derivative has a least two polyester reactive groups that are capable of participating in a polyester-forming reaction and the total mole % for components (i), (ii) and (iii) is 200 mole %.

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