Compositions for enhanced thermal bonding
AssigneeKimberly-Clark Worldwide, Inc.
InventorsNina Cecilia Griffith, Xin Ning, Bryon P. Day, Maya Aroch
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Abstract
A composition including an aromatic polyester and a copolyester having a lower melting point than the aromatic polyester. The aromatic polyester and the copolyester can be blended together to form fibers and fibrous webs. The composition can be thermally bonded at a temperature below the melting point of the aromatic polyester.
Claims24
A composition comprising:
- between 5 and 50 wt % of a copolyester;
- and
- between 50 and 95 wt % of an aromatic polyester;
- wherein the copolyester has a lower melting point than the aromatic polyester.
A fiber comprising a blend of an aliphatic copolyester and an aromatic polyester on an outer surface of the fiber;
- wherein the aliphatic copolyester has a lower melting point than the aromatic polyester.
A fiber comprising a blend of an aromatic copolyester and an aromatic polyester on an outer surface of the fiber;
- wherein the aromatic copolyester has a lower melting point than the aromatic polyester.
Dependencies are inferred from the claim text.