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US 12,098,251 B2Granted
Esters of polylactic acid and compositions thereof
AssigneeFashion Chemicals GmbH & Co. KG
InventorsJeffrey T. Langley, Kay M. McCoy, Paul C. Meredith
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Abstract
Esters of polylactic acid, including polyethylene glycol esters of polylactic acid are disclosed. Exemplary esters of polylactic acid can be used as textile finishes. Methods of making the esters of polylactic acid via direct and transesterification reactions are also disclosed.
Claims12
A textile exhibiting hydrophilicity comprising:
- (a) a plurality of fibers;
- and (b) an ester of the formula (I):
- or the formula (II):
- or a combination thereof, wherein
- m is an integer greater than 1 and less than 10,
- n is an integer greater than 1 and less than 90,
- m1 and m2 are integers greater than 1 and less than 10, wherein m1 and m2 can be equal or unequal
- wherein the ester of polylactic acid has a weight-average molecular weight of 4,000 daltons or less, and;
- wherein the fabric is a woven or knitted fabric, the woven or knitted fabric comprising polyester and cotton and wherein the polyester and cotton comprise a blend of 65 percent polyester and 35 percent cotton.
6 more elements
Dependencies are inferred from the claim text.