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US 6,783,854 B2Granted
Bicomponent fibers comprising a thermoplastic polymer surrounding a starch rich core
AssigneeThe Procter & Gamble Company
InventorEric Bryan Bond
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Abstract
A bicomponent fiber comprising one thermoplastic polymer component comprising nonstarch, thermoplastic polymer and one thermoplastic starch component comprising a destructured starch and a plasticizer. The thermoplastic polymer component surrounds the thermoplastic starch component. Also provided are nonwoven webs and disposable articles comprising the bicomponent fibers.
Claims14
A bicomponent fiber comprising:
- A. a thermoplastic polymer component comprising non-starch thermoplastic polymer;
- B. a thermoplastic starch component comprising a plasticizer and destructured starch and less than 1% of free water;
- wherein the thermoplastic polymer component encompasses the thermoplastic starch component;
- and wherein the thermoplastic polymer component contains zero percent starch or a lower percentage of starch than the thermoplastic starch component.
1 more element
Dependencies are inferred from the claim text.