Acid dyeable polyesters
AssigneeThe Goodyear Tire & Rubber Company
InventorsManeung Hahn, Leroy C. T. Lin, William C. T. Tung
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Abstract
The invention relates to polyester resin modified with hydantoin diacid or hydantoin diol and cyclohexyl diethanolamine. The copolyesters are dyeable with acid type dyes to form brightly colored fibers and fabrics.
Claims9
A block polymer containing blocks of polyethylene terephthalate and polymer blocks selected from the group consisting of (A) blocks of a polymer of diacid having the hydantoin nucleus in its structure and cyclohexyl diethanolamine and (B) blocks of a polymer of diacid having the hydantoin nucleus in its structure and a mixture of cyclohexyl diethanol amine and a diol selected from the group consisting of hydantoin diol, a polymethylene diol containing from 2 to 10 methylene groups and polyether diols.
Dependencies are inferred from the claim text.