Claims
- 1. An article comprising an aqueous-alkali dispersible microfiber comprising at least one hydrolytically degradable polymer and a water soluble polymer wherein the microfiber is multilayered.
- 2. The article of claim 1, wherein the multilayered microfiber comprises at least three layers with the hydrolytically degradable polymer comprising two outermost layers.
- 3. The article of claim 1, wherein the hydrolytically degradable polymer comprises poly(lactic acid), poly(ester amide)s, poly(glycolic acid), poly(hydroxy butyrate-co-valorate), or combinations thereof as copolymers, blends, or mixtures.
- 4. The article of claim 1, wherein the water soluble polymer comprises poly(vinyl alcohol), poly(aspartic acid), poly(acrylic acid), poly(methacrylic acid), poly(acrylamide), poly(vinyl pyrrolidone), poly(alkylene oxide)s, complex carbohydrates, or combinations thereof as copolymers, blends or mixtures.
- 5. The article of claim 2, wherein the microfiber comprises poly(lactic acid) and poly(vinyl alcohol).
- 6. The article of claim 2, wherein the microfiber comprises poly(hydroxy butyrate-co-valorate) and poly(vinyl alcohol).
Parent Case Info
This is a division of application Ser. No. 08/367,026 filed Dec. 30, 1994 now U.S. Pat. No. 5,472,518.
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Divisions (1)
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Number |
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Parent |
367026 |
Dec 1994 |
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