Absorbent cores with improved intake performance

An absorbent core and super absorbent technology, applied in absorbent pads, medical science, bandages, etc., which can solve the problems of complex structure and increased cost of final products.

Inactive Publication Date: 2005-08-24
RAYONIER PRODUCTS AND FINANCIAL SERVICES COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While a separate liquid transfer layer usually fulfills the above functions, incorporating a separate absorbent layer into an absorbent article complicates construction and requires additional manufacturing steps
This will inevitably increase the cost of the final product

Method used

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  • Absorbent cores with improved intake performance
  • Absorbent cores with improved intake performance
  • Absorbent cores with improved intake performance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0084] Examples 1 to 9 of the present invention and Comparative Examples 1 to 8 used the composition of each layer provided by the following formulations A to J. The specific formulations used in each of Examples 1 to 9 and Comparative Examples 1 to 8 are shown in Table 1. The sample uses 17 gsm tissue as the carrier layer, and the tissue is commercially available and is grade 3008 tissue manufactured by Cellu Tissue Company. SAP includes the SXM 880 and SXM9200, both manufactured by Stockhansen GmbH in Krefeld, Germany. PET is a hydrophilic treated fiber with a nominal fiber length of 6 mm. The denier and geometry are shown in Table 11. The PET is manufactured by KOSA in Charlotte, NC. Cellulosic fibers are untreated pulp fibers identified as RAYFLOC-J-LD pulp fibers sold by Rayonier Inc. of Jesup, Georgia.

[0085] Formula A

[0086] Formula C

[0087] Recipe F

[0088] Formula I

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Abstract

Multilayered absorbent cores are provided that include synthetic fiber to improve the liquid transport properties of the resulting absorbent articles. The synthetic fiber, which may be found in either the innermost and/or intermediate layers of the absorbent core, particularly improve the rewet performance of the absorbent article. The absorbent cores may be incorporated into a number of absorbent articles, including diapers, feminine hygiene products and incontinence pads.

Description

technical field [0001] The present invention relates to absorbent materials for absorbent articles such as diapers and methods of making the same. More particularly, the present invention relates to absorbent materials further comprising synthetic fibers having improved fluid transport properties. Background technique [0002] Absorbent articles are used for a wide variety of purposes. To function effectively, the absorbent article must rapidly absorb body fluids, distribute them throughout the absorbent article, and retain them. Additionally, the absorbent article should be soft and elastic enough to comfortably conform to the surface of the body and fit snugly to reduce leakage. [0003] Typical absorbent articles currently in use on the market include diapers, feminine hygiene products, incontinence pads, and the like. Almost all absorbent articles comprise at least three components: a topsheet, a backsheet and an absorbent core disposed therebetween. The topsheet, al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F13/15
CPCA61F13/534A61F2013/15439A61F2013/15463A61F13/15617A61F2013/15447A61F13/53752A61F2013/5307A61F2013/15406A61F13/5376A61F13/15699A61F2013/530386A61F2013/530532A61F13/15731A61F2013/530489A61F2013/530591A61F13/15203
Inventor 克里希纳库马尔·兰加查里保罗·M·达克
Owner RAYONIER PRODUCTS AND FINANCIAL SERVICES COMPANY
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