A disposable absorbent article sustaining low vapor phase moisture in the space as enclosed between and the wearer in use, such as can be evaluate by measuring relative humidity on a laboratory mannequin, such can be achieved by combining high performance, low rewet absorbent cores with breathable backsheet materials.
Drawings
Claims11
An absorbent article comprising:
a) an absorbent core having an ultimate storage capacity of at least 75 ml and providing a Post Acquisition Collagen Rewet Method (PACORM) result of less than 140 mg;
and
b) a vapor permeable backsheet layer wherein the article maintains a relative humidity of less than 60% when measured from 5 minutes to 55 minutes after a first gush according to a Relative Humidity Mannequin (RHM) test.
2 Mar 2020Estimated · howhide20 years from earliest known nonprovisional domestic filing plus recorded patent term adjustment. Maintenance-fee lapses, terminal disclaimers and statutory extensions have not been checked. The continuity chain may be incomplete; this is not an enforceability determination.
#The present invention relates to disposable absorbent articles such as diapers, incontinence articles, sanitary towels, training pants and the like, and in particular to articles having a superior liquid handling performance in combination with improved skin aeration, such as improved breathability performance.
#Disposable, absorbent articles such as diapers, incontinence articles, sanitary towels, training pants and the like are well known in the art. Typically, disposable absorbent articles comprise a liquid pervious topsheet that faces the wearer's body, a liquid impervious backsheet that faces the wearer's clothing, an absorbent core interposed between the liquid previous topsheet and the backsheet, and means to keep the core in fixed relation to the wearer's body.
#In order to receive the body exudates such as urine, faeces or menstrual fluids, the article has to cover certain parts of the wearer's body. Generally, current articles cover even larger parts of the wearer's body to allow for adequate storage of the exudates. Whilst this coverage is an essential element of the functionality of the article, the article also can—beyond impacting on the comfort of the wearer—induce negative impact on the skin, such as by exerting pressure on the skin, or by creating occlusion for certain parts of the skin, thereby potentially inducing over-hydration of the skin, in particular under conditions where the wearer has some tendency for sweating.
Brief description of the drawings5 figures
#FIG. 1 is schematically showing a taped baby diaper as an example for an absorbent article.
#FIG. 2 is schematically showing a pull up baby diaper as an example for an absorbent article.
#FIG. 3 is showing the test equipment set up for the Mannequin Relative Humidity testing.
#As used herein, the term “absorbent articles” refers to devices that absorb and contain body exudates, and, more specifically, refers to devices that are placed against or in proximity to the body of the wearer to absorb and contain the various exudates discharged from the body.
#The term “disposable” is used herein to describe absorbent articles that are not intended to be laundered or otherwise restored or reused as an absorbent article (i.e., they are intended to be discarded after use and, preferably, to be recycled, composted or otherwise disposed of in an environmentally compatible manner).