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Hydrophilic binder fibers

A fiber and polymer technology, applied in the direction of conjugated synthetic polymer artificial filament, transportation and packaging, thin material processing, etc., can solve the problem of lack of permanent wettability

Inactive Publication Date: 2003-07-30
KIMBERLY-CLARK WORLDWIDE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One of the difficulties associated with current staple fibers is the lack of permanent wettability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～2

[0119] Preparation of highly wettable aliphatic polyester blends: take various components, dry mix them, and then put them in a reverse twin-screw extruder for melt mixing in order to apply vigorous mixing to the components . The melt mixing involves partial or complete melting of the components combined with the shearing action of a rotating mixing screw. Such conditions are conducive to the optimal blending and uniform dispersion of the components of the thermoplastic composition. Twin-screw extruder, such as Haake Rheocord 90 twin-screw extruder, manufactured by Haake Company (Karlsautte, Germany) or Brabender twin-screw mixer (catalog number 05-96-000), manufactured by Brabender Instrument Company (SouthHackensack, New Jersey) Supply or other equivalent twin screw extruders are very suitable for this task. This may also include a co-rotating twin screw extruder, for example, the ZSK-30 extruder, supplied by Werner and Pfleiderer (Ramsey, New Jersey). Unless otherwise noted, al...

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PUM

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Abstract

A hydrophilic binder fiber. These fibers may be produced by co-spinning a polyolefin core material with a highly wettable aliphatic polyester blend sheath material. The highly wettable aliphatic polyester blend comprises an unreacted mixture of an aliphatic polyester polymer selected from the group consisting of a polybutylene succinate polymer, a polybutylene succinate-co-adipate polymer, a polycaprolactone polymer, a mixture of such polymers, or a copolymer of such polymers; a multicarboxylic acid; and a wetting agent. The hydrophilic binder fiber exhibits substantially improved biodegradable properties, yet is easily processed. The hydrophilic binder fiber may be used in a disposable absorbent product intended for the absorption of fluids such as body fluids.

Description

Technical field [0001] The present invention relates to a hydrophilic bonding fiber (binder fiber). Such fibers can be produced by co-spinning a polyolefin core material and a highly wettable aliphatic polyester blend sheath material. The highly wettable aliphatic polyester blend comprises an unreacted mixture comprising: an aliphatic polyester polymer selected from polybutylene succinate polymer, polysuccinic acid-copolymer-hexane Butylene diacid polymers, polycaprolactone polymers, mixtures of these polymers or copolymers of these polymers; polycarboxylic acids; and wetting agents. The hydrophilic bonding fiber exhibits significantly improved biodegradability but is easy to process. The hydrophilic bonding fibers can be used in disposable absorbent articles for absorbing fluids such as body fluids. Background technique [0002] At present, disposable absorbent products are widely used in many fields. For example, baby and child care fields, diapers and training pants have widel...

Claims

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Application Information

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IPC IPC(8): C08L101/16D01F8/06D01F8/14
CPCD01F8/06D01F8/14Y10T428/2924Y10T428/2929Y10T428/2931
Inventor F·-J·D·蔡B·C·维尔泰姆
Owner KIMBERLY-CLARK WORLDWIDE INC