Synthetic fiber

Details Synthetic fiber Synthetic fiber

1999-12-22

2000-10-24

Acquah, Samuel A.

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

525437, 525444, 528491, 428113, 428119, 428137, 428364, 264165, 2641761, 26421112, 26421121, 26421122, 604366, 604367, 604370, 604372, A61F 1315, B32B 1118, C08F 2000

Patent

active

061359874

ABSTRACT:
A process is disclosed for forming a synthetic fiber including providing a first component of an aliphatic polyester polymer a second component of a multicarboxylic acid, mixing the first component aliphatic polyester polymer and the second component multicarboxylic acid to form an unreacted specified thermoplastic composition, and melt blending the unreacted specified thermoplastic composition in an extruder or a mixer. The second component multicarboxylic acid lubricates the extruder and provides a nucleating agent for crystallizing the specified thermoplastic composition to form a mean crystal size less than about 120 Angstroms. Fiber composed of the specified thermoplastic composition has a mean crystal size less than about 120 Angstroms. The fiber has a glass transition temperature (Tg) less than about 55.degree. C. In one aspect, a first component of polylactic acid and a second component of adipic acid provide synthetic fibers in a nonwoven structure used in a biodegradable and compostable disposable absorbent product for the absorption and removal of body fluids.

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