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Absorbent article comprising adhesive composition

A technology for absorbent products and adhesives, applied in the directions of adhesives, absorbent pads, non-polymer organic compound adhesives, etc., can solve the problems of expensive, difficult to obtain, and high cost of tackifiers

Active Publication Date: 2022-06-24
PROCTER & GAMBLE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While such formulations are often effective, they can be costly and their performance properties can be improved
For example, tackifiers, which can comprise up to 65% of an adhesive formulation, can be expensive and difficult to obtain

Method used

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  • Absorbent article comprising adhesive composition
  • Absorbent article comprising adhesive composition
  • Absorbent article comprising adhesive composition

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0130] Preparation of laminates

[0131] Two specified substrates were secured together via a specified slot coating process using a hot melt adhesive composition to form a laminate. The first substrate used to form the laminate was a "non-woven" which had a pattern of point bonds (diamond, 0.87mm per point 2 ) of 15 gsm polypropylene spunbond (SSS) covering 18.6% bond area and having 21.5 points per square centimeter. The average fiber diameter was 17 microns. The nonwoven is supplied in roll form and has a width of 212mm. The second substrate used to form the laminate was a "film", which was a microporous polyethylene film having a basis weight of 16 gsm. The average print coverage was 16.7%. Exemplary suitable membranes are MICROPRO microporous membranes, and membranes known as BR137P and BR137U, or equivalents, available from Clopay (Clopay Plastics Corporation, Mason, OH, USA). The film is supplied in roll form and has a width of 206mm.

[0132] The hot melt adhes...

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Abstract

Described herein is an absorbent article having a longitudinal centerline and a lateral centerline, a front waist region with a front waist edge, a rear waist region with a rear waist edge, a A crotch region between the rear waist region, and two spaced apart longitudinal sides joining the front waist edge to the rear waist edge, wherein the absorbent article comprises an assembly of components, and wherein the absorbent article comprises an adhesive Mixture composition. The adhesive composition comprises a copolymer; the viscosity of the adhesive composition at 150° C. is from about 2,000 mPa-s to about 11,500 mPa-s, and the storage modulus of the adhesive composition at 37° C. is From about 3 MPa to 9.5 MPa, and the yield stress of the adhesive composition at 37°C is from about 0.8 MPa to about 1.45 MPa.

Description

technical field [0001] Described herein is an adhesive composition, typically a hot melt adhesive composition, used to assemble components into absorbent articles such as diapers (eg, construction adhesives). Specifically, absorbent articles assembled using construction adhesives that are substantially free of tackifiers are described herein. Background technique [0002] Users such as caregivers rely on disposable absorbent articles to make their lives easier. Disposable absorbent articles such as adult incontinence articles, diapers, and training pants are typically manufactured by combining several components. These components typically include a liquid pervious topsheet, a liquid impermeable backsheet attached to the topsheet, and an absorbent core located between the topsheet and the backsheet. When the disposable article is worn, the liquid pervious topsheet is positioned adjacent the wearer's body. The topsheet allows the passage of bodily fluids into the absorbent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F13/49A61F13/515A61F13/539A61F13/15A61L15/58C09J123/14C09J123/20C08L23/14C08L23/20
CPCA61F13/15699A61F13/49A61F13/515A61F13/539A61L15/585C08L23/142C08L23/20C09J123/142C09J123/20A61F13/51121A61F13/51401C09J4/06A61F2013/53908C08F210/08C09J2423/10C08F2800/10A61F2013/51452C08F210/06C09J2301/414
Inventor R.H.特纳T.林德纳M.莫兰德B.J.库泰H.贝鲁达E.波诺马伦科W.L.布内尔J.法格内斯N.福勒B.特纳A.苏斯蒂克E.布埃纳科萨S.奥廷S.麦克哈尼J.J.德凯尔
Owner PROCTER & GAMBLE CO
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