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US 2019/0309442 A1Published application
Staple fibers containing releasable surface modifying molecules
AssigneeQED Labs, Inc.
InventorsGangadhar Jogikalmath, Deepak Arabagatte Ramappa
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Abstract
Staple fibers and compositions formed from staple fibers are disclosed herein. The fibers are functionalized with molecules that render fabrics comprising the disclosed fibers hydrophobic, hydrophilic, and/or release molecules upon exposure to an external stimulus. Also presented are methods of synthesizing the same and a fabric comprising woven yarns including the staple fiber.
Claims33
A staple fiber comprising:
- a polymer matrix;
- a surface modifying molecule connected to the polymer matrix, wherein the surface modifying molecule includes a functional group that interacts with the polymer matrix and a surface modifying group;
- and
- an anchor molecule attached to the surface modifying molecule by covalent bonding, an electrostatic interaction, a hydrophobic interaction, an aromatic interaction, hydrogen bonding, and/or a van der Waals interaction, wherein the anchor molecule has reactive functional groups and is a polymeric or oligomeric molecule.
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A method comprising:
- adding surface modifying molecules to a melt phase of a polymer matrix wherein each of the surface modifying molecules includes a functional group that interacts with the polymer matrix and a surface modifying group;
- forming a carrier, wherein the carrier includes the surface modifying molecules, wherein the carrier is a polyolefin, and wherein the surface modifying molecule is an epoxidized siloxane molecule;
- and
- adding an anchor molecule to the melt phase of the polymer matrix, wherein the anchor molecule is configured to anchor the surface modifying molecule to the polymer matrix.
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Dependencies are inferred from the claim text.